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使用AI 编写一个Mybatis SQL日志解析工具

背景

尝试使用智谱清言 AI 编写一个工具，将Mybatis SQL日志解析为可以执行的SQL语句。
操作

准备初始代码

首先网站上找了一个有BUG的简单的实现 https://blog.csdn.net/x541211190/article/details/107410409
用提示词让AI分析代码

将以上代码贴给AI，并增加提示词分析上面代码的的功能，让AI分析代码。
分析结果如下：
这段HTML代码定义了一个简单的网页界面，目的是为了解析Mybatis框架的SQL日志，并将其转换为可执行的SQL语句。下面是代码的详细分析：
1. **HTML结构**：
   - 定义了一个标题“输入Mybatis SQL日志：”，和一个多行文本输入框``用于用户粘贴Mybatis的SQL日志。
   - 提供了两个按钮，“清空”用于清除文本框内容，“解析SQL”用于触发SQL解析功能。
   - 另有一个标题“解析为可执行SQL：”，和一个用于显示解析后SQL语句的多行文本框。
   - 提供了一个“复制SQL”按钮，用于将解析后的SQL语句复制到剪贴板。
   - 最后有一个`<div>`元素用于显示复制成功的提示信息。
2. **JavaScript功能**：
   - `f(obj)`函数：此函数接收textarea对象作为参数，提取其中的文本值，然后解析出SQL语句和参数。
     - 定位SQL语句的开始和结束位置，并提取出来。
     - 定位参数的开始和结束位置，并提取参数列表。
     - 遍历参数列表，根据参数的类型（字符串或时间戳为字符串类型，其他为数值类型），替换SQL语句中的占位符`?`。
     - 将解析后的SQL语句显示在页面上。
   - `copySQL()`函数：此函数用于将解析后的SQL语句复制到剪贴板。
     - 通过`select()`方法选择文本。
     - 使用`document.execCommand("Copy")`执行复制命令。
     - 显示复制成功的提示信息，并设置3秒后消失。
   - `clearLog(obj)`函数：此函数用于清空textarea中的内容。
3. **样式**：
   - 使用内联样式定义了文本框和按钮的大小、颜色等视觉样式。
   - 使用了`<font>`标签来定义标题的颜色，虽然这不是HTML5推荐的写法，但它仍然有效。
4. **用户交互**：
   - 用户可以将Mybatis的SQL日志粘贴到第一个文本框。
   - 点击“解析SQL”按钮后，JavaScript函数会解析日志，并将可执行的SQL语句显示在第二个文本框中。
   - 用户可以点击“复制SQL”按钮将解析后的SQL语句复制到剪贴板。
整体而言，这个网页界面是一个实用的工具，可以帮助开发者快速从Mybatis的日志中提取并转换出可执行的SQL语句，方便数据库的调试和优化。

</code></pre> 
  <h4>用提示词让AI 找出代码的问题</h4> 
  <p><code>分析解析日志的算法存在哪些问题？</code> ，分析结果如下：</p> 
  <pre><code>解析日志的算法存在以下问题：
1. **假设日志格式固定**：
   算法假设日志的格式是固定的，例如，`Preparing:`和`Parameters:`后面的内容格式和位置都是固定的。如果日志格式发生变化，例如空格数不同、换行位置变化或者增加了新的日志信息，算法可能无法正确解析。
2. **缺乏错误处理**：
   算法中没有错误处理机制。如果日志中不存在`Preparing:`或`Parameters:`，或者格式不正确，算法将无法正常工作，且不会提供任何错误信息。
3. **对参数类型的处理有限**：
   算法只处理了`String`和`Timestamp`类型的参数，将其用单引号括起来，其他类型直接替换。这种处理方式忽略了其他可能需要特殊处理的类型，例如`Date`或`Boolean`，也没有考虑到数值类型可能需要防止SQL注入的问题。
4. **参数解析不准确**：
   算法中参数解析的部分使用了`substring`和`indexOf`来提取参数值和类型，但如果参数值本身包含括号或者逗号，这将导致错误的解析。
5. **性能问题**：
   算法中使用了多次循环和字符串操作来解析日志，这可能在处理大量数据时导致性能问题。
6. **SQL注入风险**：
   算法直接将参数值替换到SQL语句中，对于数值类型没有进行任何转义或处理，这可能导致SQL注入攻击。
7. **缺乏对复杂SQL语句的支持**：
   如果SQL语句中本身就包含问号（?），算法会将这些问号错误地认为是参数占位符。
为了改进这个算法，可以考虑以下措施：
- 使用正则表达式来解析日志，这样可以更准确地处理不同格式的日志。
- 添加错误处理逻辑，对于无法解析的日志提供明确的错误信息。
- 对于不同类型的参数，使用适当的处理方式，例如对于数值类型使用参数化查询来防止SQL注入。
- 对于可能包含特殊字符的参数值，使用更可靠的解析方法，例如先提取所有参数，然后根据位置来替换SQL语句中的占位符。
- 提高算法性能，例如通过减少不必要的字符串操作和循环。
- 确保算法能够处理复杂的SQL语句，包括那些本身就包含问号的语句。

</code></pre> 
  <h4>用提示词让AI修复代码的指定问题</h4> 
  <p><code>修复其中的2,3,4,5,7的问题</code> 修复后的结果</p> 
  <pre><code class="prism language-html"><span class="token doctype"><span class="token punctuation"><!</span><span class="token doctype-tag">DOCTYPE</span> <span class="token name">html</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>html</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>head</span><span class="token punctuation">></span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>meta</span> <span class="token attr-name">charset</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>utf-8<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>title</span><span class="token punctuation">></span></span>Mybatis SQL日志解析<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>title</span><span class="token punctuation">></span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>script</span> <span class="token attr-name">type</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>text/javascript<span class="token punctuation">"</span></span><span class="token punctuation">></span></span><span class="token script"><span class="token language-javascript">
		<span class="token keyword">function</span> <span class="token function">f</span><span class="token punctuation">(</span><span class="token parameter">obj</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
			<span class="token keyword">try</span> <span class="token punctuation">{</span>
				<span class="token keyword">var</span> textVa <span class="token operator">=</span> obj<span class="token punctuation">.</span>value<span class="token punctuation">;</span>
				<span class="token keyword">var</span> logs <span class="token operator">=</span> textVa<span class="token punctuation">.</span><span class="token function">split</span><span class="token punctuation">(</span><span class="token string">'Preparing: '</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// Split by "Preparing: "</span>
				<span class="token keyword">var</span> results <span class="token operator">=</span> <span class="token punctuation">[</span><span class="token punctuation">]</span><span class="token punctuation">;</span>
				logs<span class="token punctuation">.</span><span class="token function">forEach</span><span class="token punctuation">(</span><span class="token keyword">function</span><span class="token punctuation">(</span><span class="token parameter">log</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
					<span class="token comment">// Check if this line contains "Preparing:" or "Parameters:"</span>
					<span class="token keyword">if</span> <span class="token punctuation">(</span>log<span class="token punctuation">.</span><span class="token function">indexOf</span><span class="token punctuation">(</span><span class="token string">'Preparing:'</span><span class="token punctuation">)</span> <span class="token operator">===</span> <span class="token operator">-</span><span class="token number">1</span> <span class="token operator">&&</span> log<span class="token punctuation">.</span><span class="token function">indexOf</span><span class="token punctuation">(</span><span class="token string">'Parameters:'</span><span class="token punctuation">)</span> <span class="token operator">===</span> <span class="token operator">-</span><span class="token number">1</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
						<span class="token keyword">return</span><span class="token punctuation">;</span> <span class="token comment">// Skip this line if it doesn't contain "Preparing:" or "Parameters:"</span>
					<span class="token punctuation">}</span>
					<span class="token comment">// 获取带问号的SQL语句</span>
					<span class="token keyword">var</span> statementStartIndex <span class="token operator">=</span> log<span class="token punctuation">.</span><span class="token function">indexOf</span><span class="token punctuation">(</span><span class="token string">'Preparing: '</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
					<span class="token keyword">if</span> <span class="token punctuation">(</span>statementStartIndex <span class="token operator">!==</span> <span class="token operator">-</span><span class="token number">1</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
						<span class="token keyword">var</span> statementStr <span class="token operator">=</span> log<span class="token punctuation">.</span><span class="token function">substring</span><span class="token punctuation">(</span>statementStartIndex <span class="token operator">+</span> <span class="token string">"Preparing: "</span><span class="token punctuation">.</span>length<span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">trim</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
					<span class="token punctuation">}</span> <span class="token keyword">else</span> <span class="token punctuation">{</span>
						<span class="token keyword">throw</span> <span class="token keyword">new</span> <span class="token class-name">Error</span><span class="token punctuation">(</span><span class="token string">"未找到SQL语句"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
					<span class="token punctuation">}</span>
					<span class="token comment">// 获取参数</span>
					<span class="token keyword">var</span> parametersStartIndex <span class="token operator">=</span> log<span class="token punctuation">.</span><span class="token function">indexOf</span><span class="token punctuation">(</span><span class="token string">'Parameters: '</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
					<span class="token keyword">if</span> <span class="token punctuation">(</span>parametersStartIndex <span class="token operator">!==</span> <span class="token operator">-</span><span class="token number">1</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
						<span class="token keyword">var</span> parametersStr <span class="token operator">=</span> log<span class="token punctuation">.</span><span class="token function">substring</span><span class="token punctuation">(</span>parametersStartIndex <span class="token operator">+</span> <span class="token string">"Parameters: "</span><span class="token punctuation">.</span>length<span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">trim</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
					<span class="token punctuation">}</span> <span class="token keyword">else</span> <span class="token punctuation">{</span>
						<span class="token comment">// If "Parameters:" is not found, we assume there are no parameters</span>
						parametersStr <span class="token operator">=</span> <span class="token string">"null"</span><span class="token punctuation">;</span>
					<span class="token punctuation">}</span>
					<span class="token comment">// 解析参数</span>
					<span class="token keyword">var</span> parameters <span class="token operator">=</span> parametersStr<span class="token punctuation">.</span><span class="token function">split</span><span class="token punctuation">(</span><span class="token regex"><span class="token regex-delimiter">/</span><span class="token regex-source language-regex">,(?![^()]*\))</span><span class="token regex-delimiter">/</span><span class="token regex-flags">g</span></span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// 使用正则表达式正确分割参数</span>
					<span class="token comment">// 替换SQL语句中的占位符</span>
					<span class="token keyword">for</span> <span class="token punctuation">(</span><span class="token keyword">var</span> i <span class="token operator">=</span> <span class="token number">0</span><span class="token punctuation">;</span> i <span class="token operator"><</span> parameters<span class="token punctuation">.</span>length<span class="token punctuation">;</span> i<span class="token operator">++</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
						<span class="token keyword">var</span> paramValue <span class="token operator">=</span> parameters<span class="token punctuation">[</span>i<span class="token punctuation">]</span><span class="token punctuation">.</span><span class="token function">trim</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
						<span class="token keyword">if</span> <span class="token punctuation">(</span>paramValue <span class="token operator">===</span> <span class="token string">"null"</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
							<span class="token comment">// 如果参数是null，直接替换为NULL</span>
							statementStr <span class="token operator">=</span> statementStr<span class="token punctuation">.</span><span class="token function">replace</span><span class="token punctuation">(</span><span class="token string">"?"</span><span class="token punctuation">,</span> <span class="token string">"NULL"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
						<span class="token punctuation">}</span> <span class="token keyword">else</span> <span class="token punctuation">{</span>
							<span class="token comment">// 否则，根据类型替换参数</span>
							<span class="token keyword">var</span> typeStr <span class="token operator">=</span> paramValue<span class="token punctuation">.</span><span class="token function">substring</span><span class="token punctuation">(</span>paramValue<span class="token punctuation">.</span><span class="token function">indexOf</span><span class="token punctuation">(</span><span class="token string">"("</span><span class="token punctuation">)</span> <span class="token operator">+</span> <span class="token number">1</span><span class="token punctuation">,</span> paramValue<span class="token punctuation">.</span><span class="token function">indexOf</span><span class="token punctuation">(</span><span class="token string">")"</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
							paramValue <span class="token operator">=</span> paramValue<span class="token punctuation">.</span><span class="token function">substring</span><span class="token punctuation">(</span><span class="token number">0</span><span class="token punctuation">,</span> paramValue<span class="token punctuation">.</span><span class="token function">indexOf</span><span class="token punctuation">(</span><span class="token string">"("</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">trim</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
							<span class="token keyword">if</span> <span class="token punctuation">(</span>typeStr <span class="token operator">===</span> <span class="token string">"String"</span> <span class="token operator">||</span> typeStr <span class="token operator">===</span> <span class="token string">"Timestamp"</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
								paramValue <span class="token operator">=</span> <span class="token string">"'"</span> <span class="token operator">+</span> paramValue<span class="token punctuation">.</span><span class="token function">replace</span><span class="token punctuation">(</span><span class="token string">"'"</span><span class="token punctuation">,</span> <span class="token string">"''"</span><span class="token punctuation">)</span> <span class="token operator">+</span> <span class="token string">"'"</span><span class="token punctuation">;</span>
							<span class="token punctuation">}</span>
							statementStr <span class="token operator">=</span> statementStr<span class="token punctuation">.</span><span class="token function">replace</span><span class="token punctuation">(</span><span class="token string">"?"</span><span class="token punctuation">,</span> paramValue<span class="token punctuation">)</span><span class="token punctuation">;</span>
						<span class="token punctuation">}</span>
					<span class="token punctuation">}</span>
					results<span class="token punctuation">.</span><span class="token function">push</span><span class="token punctuation">(</span>statementStr<span class="token punctuation">)</span><span class="token punctuation">;</span>
				<span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
				document<span class="token punctuation">.</span><span class="token function">getElementById</span><span class="token punctuation">(</span><span class="token string">"d1"</span><span class="token punctuation">)</span><span class="token punctuation">.</span>innerHTML <span class="token operator">=</span> results<span class="token punctuation">.</span><span class="token function">join</span><span class="token punctuation">(</span><span class="token string">"\n\n"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
			<span class="token punctuation">}</span> <span class="token keyword">catch</span> <span class="token punctuation">(</span>e<span class="token punctuation">)</span> <span class="token punctuation">{</span>
				console<span class="token punctuation">.</span><span class="token function">error</span><span class="token punctuation">(</span>e<span class="token punctuation">)</span><span class="token punctuation">;</span>
				<span class="token function">alert</span><span class="token punctuation">(</span><span class="token string">"解析SQL时发生错误："</span> <span class="token operator">+</span> e<span class="token punctuation">.</span>message<span class="token punctuation">)</span><span class="token punctuation">;</span>
			<span class="token punctuation">}</span>
		<span class="token punctuation">}</span>
        <span class="token keyword">function</span> <span class="token function">copySQL</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
            <span class="token keyword">var</span> <span class="token constant">SQL</span> <span class="token operator">=</span> document<span class="token punctuation">.</span><span class="token function">getElementById</span><span class="token punctuation">(</span><span class="token string">"d1"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
            navigator<span class="token punctuation">.</span>clipboard<span class="token punctuation">.</span><span class="token function">writeText</span><span class="token punctuation">(</span><span class="token constant">SQL</span><span class="token punctuation">.</span>value<span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">then</span><span class="token punctuation">(</span><span class="token keyword">function</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
                <span class="token keyword">var</span> msg <span class="token operator">=</span> document<span class="token punctuation">.</span><span class="token function">getElementById</span><span class="token punctuation">(</span><span class="token string">"msg"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
                msg<span class="token punctuation">.</span>innerHTML <span class="token operator">=</span> <span class="token string">"已复制到剪切板"</span><span class="token punctuation">;</span>
                <span class="token function">setTimeout</span><span class="token punctuation">(</span><span class="token keyword">function</span> <span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
                    msg<span class="token punctuation">.</span>innerHTML <span class="token operator">=</span> <span class="token string">""</span><span class="token punctuation">;</span>
                <span class="token punctuation">}</span><span class="token punctuation">,</span> <span class="token number">3000</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
            <span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">catch</span><span class="token punctuation">(</span><span class="token keyword">function</span><span class="token punctuation">(</span><span class="token parameter">err</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
                console<span class="token punctuation">.</span><span class="token function">error</span><span class="token punctuation">(</span><span class="token string">"复制失败："</span><span class="token punctuation">,</span> err<span class="token punctuation">)</span><span class="token punctuation">;</span>
                <span class="token function">alert</span><span class="token punctuation">(</span><span class="token string">"复制SQL时发生错误："</span> <span class="token operator">+</span> err<span class="token punctuation">.</span>message<span class="token punctuation">)</span><span class="token punctuation">;</span>
            <span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
        <span class="token punctuation">}</span>
        <span class="token keyword">function</span> <span class="token function">clearLog</span><span class="token punctuation">(</span><span class="token parameter">obj</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
            obj<span class="token punctuation">.</span>value <span class="token operator">=</span> <span class="token string">""</span><span class="token punctuation">;</span>
        <span class="token punctuation">}</span>
    </span></span><span class="token tag"><span class="token tag"><span class="token punctuation"></</span>script</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>head</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>body</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>h2</span><span class="token punctuation">></span></span><span class="token tag"><span class="token tag"><span class="token punctuation"><</span>font</span> <span class="token attr-name">color</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>#00bfff<span class="token punctuation">"</span></span><span class="token punctuation">></span></span> 输入Mybatis SQL日志：<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>font</span><span class="token punctuation">></span></span><span class="token tag"><span class="token tag"><span class="token punctuation"></</span>h2</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>textarea</span> <span class="token attr-name">id</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>sqlLog<span class="token punctuation">"</span></span> <span class="token attr-name">rows</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>13<span class="token punctuation">"</span></span> <span class="token attr-name">cols</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>140<span class="token punctuation">"</span></span> <span class="token special-attr"><span class="token attr-name">style</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span><span class="token value css language-css"><span class="token property">font-size</span><span class="token punctuation">:</span>20px</span><span class="token punctuation">"</span></span></span><span class="token punctuation">></span></span><span class="token tag"><span class="token tag"><span class="token punctuation"></</span>textarea</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span> <span class="token special-attr"><span class="token attr-name">style</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span><span class="token value css language-css"><span class="token property">border</span><span class="token punctuation">:</span>0px deepskyblue solid<span class="token punctuation">;</span><span class="token property">width</span><span class="token punctuation">:</span>1425px<span class="token punctuation">;</span><span class="token property">height</span><span class="token punctuation">:</span>50px<span class="token punctuation">;</span><span class="token property">text-align</span><span class="token punctuation">:</span>right</span><span class="token punctuation">"</span></span></span><span class="token punctuation">></span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>button</span> <span class="token special-attr"><span class="token attr-name">style</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span><span class="token value css language-css"><span class="token property">color</span><span class="token punctuation">:</span>mediumblue<span class="token punctuation">;</span><span class="token property">width</span><span class="token punctuation">:</span>100px<span class="token punctuation">;</span><span class="token property">height</span><span class="token punctuation">:</span>60px</span><span class="token punctuation">"</span></span></span> <span class="token attr-name">type</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>button<span class="token punctuation">"</span></span> <span class="token special-attr"><span class="token attr-name">onclick</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span><span class="token value javascript language-javascript"><span class="token function">clearLog</span><span class="token punctuation">(</span>document<span class="token punctuation">.</span><span class="token function">getElementById</span><span class="token punctuation">(</span><span class="token string">'sqlLog'</span><span class="token punctuation">)</span><span class="token punctuation">)</span></span><span class="token punctuation">"</span></span></span><span class="token punctuation">></span></span>清空<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>button</span><span class="token punctuation">></span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>button</span> <span class="token special-attr"><span class="token attr-name">style</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span><span class="token value css language-css"><span class="token property">color</span><span class="token punctuation">:</span>mediumblue<span class="token punctuation">;</span><span class="token property">width</span><span class="token punctuation">:</span>100px<span class="token punctuation">;</span><span class="token property">height</span><span class="token punctuation">:</span>60px</span><span class="token punctuation">"</span></span></span> <span class="token attr-name">type</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>submit<span class="token punctuation">"</span></span> <span class="token special-attr"><span class="token attr-name">onclick</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span><span class="token value javascript language-javascript"><span class="token function">f</span><span class="token punctuation">(</span>document<span class="token punctuation">.</span><span class="token function">getElementById</span><span class="token punctuation">(</span><span class="token string">'sqlLog'</span><span class="token punctuation">)</span><span class="token punctuation">)</span></span><span class="token punctuation">"</span></span></span><span class="token punctuation">></span></span>解析SQL<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>button</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>h2</span><span class="token punctuation">></span></span><span class="token tag"><span class="token tag"><span class="token punctuation"><</span>font</span> <span class="token attr-name">color</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>#32cd32<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>解析为可执行SQL：<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>font</span><span class="token punctuation">></span></span><span class="token tag"><span class="token tag"><span class="token punctuation"></</span>h2</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>textarea</span> <span class="token attr-name">id</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>d1<span class="token punctuation">"</span></span> <span class="token attr-name">rows</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>13<span class="token punctuation">"</span></span> <span class="token attr-name">cols</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>140<span class="token punctuation">"</span></span> <span class="token special-attr"><span class="token attr-name">style</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span><span class="token value css language-css"><span class="token property">font-size</span><span class="token punctuation">:</span>20px</span><span class="token punctuation">"</span></span></span><span class="token punctuation">></span></span><span class="token tag"><span class="token tag"><span class="token punctuation"></</span>textarea</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span> <span class="token special-attr"><span class="token attr-name">style</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span><span class="token value css language-css"><span class="token property">border</span><span class="token punctuation">:</span>0px deepskyblue solid<span class="token punctuation">;</span><span class="token property">width</span><span class="token punctuation">:</span>1425px<span class="token punctuation">;</span><span class="token property">height</span><span class="token punctuation">:</span>50px<span class="token punctuation">;</span><span class="token property">text-align</span><span class="token punctuation">:</span>right</span><span class="token punctuation">"</span></span></span><span class="token punctuation">></span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>button</span> <span class="token special-attr"><span class="token attr-name">style</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span><span class="token value css language-css"><span class="token property">color</span><span class="token punctuation">:</span>mediumblue<span class="token punctuation">;</span><span class="token property">width</span><span class="token punctuation">:</span>100px<span class="token punctuation">;</span><span class="token property">height</span><span class="token punctuation">:</span>60px</span><span class="token punctuation">"</span></span></span> <span class="token attr-name">type</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>button<span class="token punctuation">"</span></span> <span class="token special-attr"><span class="token attr-name">onclick</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span><span class="token value javascript language-javascript"><span class="token function">copySQL</span><span class="token punctuation">(</span><span class="token punctuation">)</span></span><span class="token punctuation">"</span></span></span><span class="token punctuation">></span></span>复制SQL<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>button</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span> <span class="token attr-name">id</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>msg<span class="token punctuation">"</span></span> <span class="token special-attr"><span class="token attr-name">style</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span><span class="token value css language-css"><span class="token property">color</span><span class="token punctuation">:</span>cornflowerblue<span class="token punctuation">;</span><span class="token property">border</span><span class="token punctuation">:</span>0px black solid<span class="token punctuation">;</span><span class="token property">width</span><span class="token punctuation">:</span>800px<span class="token punctuation">;</span><span class="token property">height</span><span class="token punctuation">:</span>20px<span class="token punctuation">;</span><span class="token property">text-align</span><span class="token punctuation">:</span>right<span class="token punctuation">;</span><span class="token property">font-style</span><span class="token punctuation">:</span> initial<span class="token punctuation">;</span><span class="token property">font-size</span><span class="token punctuation">:</span> large</span><span class="token punctuation">"</span></span></span><span class="token punctuation">></span></span><span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>body</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>html</span><span class="token punctuation">></span></span>

</code></pre> 
  <h4>用提示词让AI 继续分析代码</h4> 
  <p>分析的结果如下：</p> 
  <pre><code>上面的代码是一个HTML页面，包含JavaScript脚本，用于解析Mybatis SQL日志并生成可执行的SQL语句。具体功能如下：
1. 页面中包含一个文本域(sqlLog)，用于输入Mybatis SQL日志。
2. 点击"解析SQL"按钮，会触发f()函数，对输入的SQL日志进行解析。
3. f()函数首先使用split()方法按"Preparing: "分割输入的日志字符串，然后遍历分割后的日志数组。
4. 对于每个日志条目，判断是否包含"Preparing:"或"Parameters:"，如果不包含则跳过。
5. 获取带问号的SQL语句和参数，然后解析参数。
6. 对于SQL语句中的每个问号占位符，根据参数的类型替换为实际的参数值。
7. 将解析后的SQL语句显示在另一个文本域(d1)中。
8. 点击"复制SQL"按钮，会触发copySQL()函数，将解析后的SQL语句复制到剪切板。
9. 点击"清空"按钮，会清空sqlLog文本域中的内容。
10. 解析过程中如果发生错误，会弹出错误提示框。

</code></pre> 
  <h4>用提示词让AI修改为支持多组日志的版本</h4> 
  <p><code>需要修改为支持多组Mybatis SQL日志的解析，并且提供的日志中可能有非Mybatis SQL日志的行</code>。</p> 
  <p>AI 输出的版本如下：</p> 
  <pre><code class="prism language-html"><span class="token doctype"><span class="token punctuation"><!</span><span class="token doctype-tag">DOCTYPE</span> <span class="token name">html</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>html</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>head</span><span class="token punctuation">></span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>meta</span> <span class="token attr-name">charset</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>utf-8<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>title</span><span class="token punctuation">></span></span>Mybatis SQL日志解析<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>title</span><span class="token punctuation">></span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>script</span> <span class="token attr-name">type</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>text/javascript<span class="token punctuation">"</span></span><span class="token punctuation">></span></span><span class="token script"><span class="token language-javascript">
        <span class="token keyword">function</span> <span class="token function">f</span><span class="token punctuation">(</span><span class="token parameter">obj</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
            <span class="token keyword">try</span> <span class="token punctuation">{</span>
                <span class="token keyword">var</span> textVa <span class="token operator">=</span> obj<span class="token punctuation">.</span>value<span class="token punctuation">;</span>
                <span class="token keyword">var</span> logs <span class="token operator">=</span> textVa<span class="token punctuation">.</span><span class="token function">split</span><span class="token punctuation">(</span><span class="token string">'\n'</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// Split by newline</span>
                <span class="token keyword">var</span> results <span class="token operator">=</span> <span class="token punctuation">[</span><span class="token punctuation">]</span><span class="token punctuation">;</span>
                <span class="token keyword">var</span> currentStatement <span class="token operator">=</span> <span class="token keyword">null</span><span class="token punctuation">;</span>

                logs<span class="token punctuation">.</span><span class="token function">forEach</span><span class="token punctuation">(</span><span class="token keyword">function</span><span class="token punctuation">(</span><span class="token parameter">log</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
                    <span class="token comment">// Check if this line contains "Preparing:" or "Parameters:"</span>
                    <span class="token keyword">if</span> <span class="token punctuation">(</span>log<span class="token punctuation">.</span><span class="token function">indexOf</span><span class="token punctuation">(</span><span class="token string">'Preparing:'</span><span class="token punctuation">)</span> <span class="token operator">!==</span> <span class="token operator">-</span><span class="token number">1</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
                        <span class="token keyword">if</span> <span class="token punctuation">(</span>currentStatement <span class="token operator">!==</span> <span class="token keyword">null</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
                            <span class="token comment">// If we have a current statement, push it to the results</span>
                            results<span class="token punctuation">.</span><span class="token function">push</span><span class="token punctuation">(</span>currentStatement<span class="token punctuation">)</span><span class="token punctuation">;</span>
                        <span class="token punctuation">}</span>
                        <span class="token comment">// Start a new statement</span>
                        currentStatement <span class="token operator">=</span> log<span class="token punctuation">.</span><span class="token function">substring</span><span class="token punctuation">(</span>log<span class="token punctuation">.</span><span class="token function">indexOf</span><span class="token punctuation">(</span><span class="token string">'Preparing:'</span><span class="token punctuation">)</span> <span class="token operator">+</span> <span class="token string">"Preparing:"</span><span class="token punctuation">.</span>length<span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">trim</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
                    <span class="token punctuation">}</span> <span class="token keyword">else</span> <span class="token keyword">if</span> <span class="token punctuation">(</span>log<span class="token punctuation">.</span><span class="token function">indexOf</span><span class="token punctuation">(</span><span class="token string">'Parameters:'</span><span class="token punctuation">)</span> <span class="token operator">!==</span> <span class="token operator">-</span><span class="token number">1</span> <span class="token operator">&&</span> currentStatement <span class="token operator">!==</span> <span class="token keyword">null</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
                        <span class="token comment">// If we find parameters and have a current statement, parse the parameters</span>
                        <span class="token keyword">var</span> parametersStr <span class="token operator">=</span> log<span class="token punctuation">.</span><span class="token function">substring</span><span class="token punctuation">(</span>log<span class="token punctuation">.</span><span class="token function">indexOf</span><span class="token punctuation">(</span><span class="token string">'Parameters:'</span><span class="token punctuation">)</span> <span class="token operator">+</span> <span class="token string">"Parameters:"</span><span class="token punctuation">.</span>length<span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">trim</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
                        <span class="token keyword">var</span> parameters <span class="token operator">=</span> parametersStr<span class="token punctuation">.</span><span class="token function">split</span><span class="token punctuation">(</span><span class="token regex"><span class="token regex-delimiter">/</span><span class="token regex-source language-regex">,(?![^()]*\))</span><span class="token regex-delimiter">/</span><span class="token regex-flags">g</span></span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// Use regex to split correctly</span>
                        <span class="token keyword">for</span> <span class="token punctuation">(</span><span class="token keyword">var</span> i <span class="token operator">=</span> <span class="token number">0</span><span class="token punctuation">;</span> i <span class="token operator"><</span> parameters<span class="token punctuation">.</span>length<span class="token punctuation">;</span> i<span class="token operator">++</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
                            <span class="token keyword">var</span> paramValue <span class="token operator">=</span> parameters<span class="token punctuation">[</span>i<span class="token punctuation">]</span><span class="token punctuation">.</span><span class="token function">trim</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
                            <span class="token keyword">if</span> <span class="token punctuation">(</span>paramValue <span class="token operator">===</span> <span class="token string">"null"</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
                                currentStatement <span class="token operator">=</span> currentStatement<span class="token punctuation">.</span><span class="token function">replace</span><span class="token punctuation">(</span><span class="token string">"?"</span><span class="token punctuation">,</span> <span class="token string">"NULL"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
                            <span class="token punctuation">}</span> <span class="token keyword">else</span> <span class="token punctuation">{</span>
                                <span class="token keyword">var</span> typeStr <span class="token operator">=</span> paramValue<span class="token punctuation">.</span><span class="token function">substring</span><span class="token punctuation">(</span>paramValue<span class="token punctuation">.</span><span class="token function">indexOf</span><span class="token punctuation">(</span><span class="token string">"("</span><span class="token punctuation">)</span> <span class="token operator">+</span> <span class="token number">1</span><span class="token punctuation">,</span> paramValue<span class="token punctuation">.</span><span class="token function">indexOf</span><span class="token punctuation">(</span><span class="token string">")"</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
                                paramValue <span class="token operator">=</span> paramValue<span class="token punctuation">.</span><span class="token function">substring</span><span class="token punctuation">(</span><span class="token number">0</span><span class="token punctuation">,</span> paramValue<span class="token punctuation">.</span><span class="token function">indexOf</span><span class="token punctuation">(</span><span class="token string">"("</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">trim</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
                                <span class="token keyword">if</span> <span class="token punctuation">(</span>typeStr <span class="token operator">===</span> <span class="token string">"String"</span> <span class="token operator">||</span> typeStr <span class="token operator">===</span> <span class="token string">"Timestamp"</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
                                    paramValue <span class="token operator">=</span> <span class="token string">"'"</span> <span class="token operator">+</span> paramValue<span class="token punctuation">.</span><span class="token function">replace</span><span class="token punctuation">(</span><span class="token string">"'"</span><span class="token punctuation">,</span> <span class="token string">"''"</span><span class="token punctuation">)</span> <span class="token operator">+</span> <span class="token string">"'"</span><span class="token punctuation">;</span>
                                <span class="token punctuation">}</span>
                                currentStatement <span class="token operator">=</span> currentStatement<span class="token punctuation">.</span><span class="token function">replace</span><span class="token punctuation">(</span><span class="token string">"?"</span><span class="token punctuation">,</span> paramValue<span class="token punctuation">)</span><span class="token punctuation">;</span>
                            <span class="token punctuation">}</span>
                        <span class="token punctuation">}</span>
                        <span class="token comment">// Add the final statement to the results and reset currentStatement</span>
                        results<span class="token punctuation">.</span><span class="token function">push</span><span class="token punctuation">(</span>currentStatement<span class="token punctuation">)</span><span class="token punctuation">;</span>
                        currentStatement <span class="token operator">=</span> <span class="token keyword">null</span><span class="token punctuation">;</span>
                    <span class="token punctuation">}</span>
                <span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>

                <span class="token comment">// If there's a remaining statement, push it to the results</span>
                <span class="token keyword">if</span> <span class="token punctuation">(</span>currentStatement <span class="token operator">!==</span> <span class="token keyword">null</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
                    results<span class="token punctuation">.</span><span class="token function">push</span><span class="token punctuation">(</span>currentStatement<span class="token punctuation">)</span><span class="token punctuation">;</span>
                <span class="token punctuation">}</span>

                document<span class="token punctuation">.</span><span class="token function">getElementById</span><span class="token punctuation">(</span><span class="token string">"d1"</span><span class="token punctuation">)</span><span class="token punctuation">.</span>value <span class="token operator">=</span> results<span class="token punctuation">.</span><span class="token function">join</span><span class="token punctuation">(</span><span class="token string">"\n\n"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
            <span class="token punctuation">}</span> <span class="token keyword">catch</span> <span class="token punctuation">(</span>e<span class="token punctuation">)</span> <span class="token punctuation">{</span>
                console<span class="token punctuation">.</span><span class="token function">error</span><span class="token punctuation">(</span>e<span class="token punctuation">)</span><span class="token punctuation">;</span>
                <span class="token function">alert</span><span class="token punctuation">(</span><span class="token string">"解析SQL时发生错误："</span> <span class="token operator">+</span> e<span class="token punctuation">.</span>message<span class="token punctuation">)</span><span class="token punctuation">;</span>
            <span class="token punctuation">}</span>
        <span class="token punctuation">}</span>
        <span class="token keyword">function</span> <span class="token function">copySQL</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
            <span class="token keyword">var</span> <span class="token constant">SQL</span> <span class="token operator">=</span> document<span class="token punctuation">.</span><span class="token function">getElementById</span><span class="token punctuation">(</span><span class="token string">"d1"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
            navigator<span class="token punctuation">.</span>clipboard<span class="token punctuation">.</span><span class="token function">writeText</span><span class="token punctuation">(</span><span class="token constant">SQL</span><span class="token punctuation">.</span>value<span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">then</span><span class="token punctuation">(</span><span class="token keyword">function</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
                <span class="token keyword">var</span> msg <span class="token operator">=</span> document<span class="token punctuation">.</span><span class="token function">getElementById</span><span class="token punctuation">(</span><span class="token string">"msg"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
                msg<span class="token punctuation">.</span>innerHTML <span class="token operator">=</span> <span class="token string">"已复制到剪切板"</span><span class="token punctuation">;</span>
                <span class="token function">setTimeout</span><span class="token punctuation">(</span><span class="token keyword">function</span> <span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
                    msg<span class="token punctuation">.</span>innerHTML <span class="token operator">=</span> <span class="token string">""</span><span class="token punctuation">;</span>
                <span class="token punctuation">}</span><span class="token punctuation">,</span> <span class="token number">3000</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
            <span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">catch</span><span class="token punctuation">(</span><span class="token keyword">function</span><span class="token punctuation">(</span><span class="token parameter">err</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
                console<span class="token punctuation">.</span><span class="token function">error</span><span class="token punctuation">(</span><span class="token string">"复制失败："</span><span class="token punctuation">,</span> err<span class="token punctuation">)</span><span class="token punctuation">;</span>
                <span class="token function">alert</span><span class="token punctuation">(</span><span class="token string">"复制SQL时发生错误："</span> <span class="token operator">+</span> err<span class="token punctuation">.</span>message<span class="token punctuation">)</span><span class="token punctuation">;</span>
            <span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
        <span class="token punctuation">}</span>
        <span class="token keyword">function</span> <span class="token function">clearLog</span><span class="token punctuation">(</span><span class="token parameter">obj</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
            obj<span class="token punctuation">.</span>value <span class="token operator">=</span> <span class="token string">""</span><span class="token punctuation">;</span>
        <span class="token punctuation">}</span>
    </span></span><span class="token tag"><span class="token tag"><span class="token punctuation"></</span>script</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>head</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>body</span><span class="token punctuation">></span></span>

<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>h2</span><span class="token punctuation">></span></span><span class="token tag"><span class="token tag"><span class="token punctuation"><</span>font</span> <span class="token attr-name">color</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>#00bfff<span class="token punctuation">"</span></span><span class="token punctuation">></span></span> 输入Mybatis SQL日志：<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>font</span><span class="token punctuation">></span></span><span class="token tag"><span class="token tag"><span class="token punctuation"></</span>h2</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>textarea</span> <span class="token attr-name">id</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>sqlLog<span class="token punctuation">"</span></span> <span class="token attr-name">rows</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>13<span class="token punctuation">"</span></span> <span class="token attr-name">cols</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>140<span class="token punctuation">"</span></span> <span class="token special-attr"><span class="token attr-name">style</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span><span class="token value css language-css"><span class="token property">font-size</span><span class="token punctuation">:</span>20px</span><span class="token punctuation">"</span></span></span><span class="token punctuation">></span></span><span class="token tag"><span class="token tag"><span class="token punctuation"></</span>textarea</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span> <span class="token special-attr"><span class="token attr-name">style</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span><span class="token value css language-css"><span class="token property">border</span><span class="token punctuation">:</span>0px deepskyblue solid<span class="token punctuation">;</span><span class="token property">width</span><span class="token punctuation">:</span>1425px<span class="token punctuation">;</span><span class="token property">height</span><span class="token punctuation">:</span>50px<span class="token punctuation">;</span><span class="token property">text-align</span><span class="token punctuation">:</span>right</span><span class="token punctuation">"</span></span></span><span class="token punctuation">></span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>button</span> <span class="token special-attr"><span class="token attr-name">style</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span><span class="token value css language-css"><span class="token property">color</span><span class="token punctuation">:</span>mediumblue<span class="token punctuation">;</span><span class="token property">width</span><span class="token punctuation">:</span>100px<span class="token punctuation">;</span><span class="token property">height</span><span class="token punctuation">:</span>60px</span><span class="token punctuation">"</span></span></span> <span class="token attr-name">type</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>button<span class="token punctuation">"</span></span> <span class="token special-attr"><span class="token attr-name">onclick</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span><span class="token value javascript language-javascript"><span class="token function">clearLog</span><span class="token punctuation">(</span>document<span class="token punctuation">.</span><span class="token function">getElementById</span><span class="token punctuation">(</span><span class="token string">'sqlLog'</span><span class="token punctuation">)</span><span class="token punctuation">)</span></span><span class="token punctuation">"</span></span></span><span class="token punctuation">></span></span>清空<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>button</span><span class="token punctuation">></span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>button</span> <span class="token special-attr"><span class="token attr-name">style</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span><span class="token value css language-css"><span class="token property">color</span><span class="token punctuation">:</span>mediumblue<span class="token punctuation">;</span><span class="token property">width</span><span class="token punctuation">:</span>100px<span class="token punctuation">;</span><span class="token property">height</span><span class="token punctuation">:</span>60px</span><span class="token punctuation">"</span></span></span> <span class="token attr-name">type</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>submit<span class="token punctuation">"</span></span> <span class="token special-attr"><span class="token attr-name">onclick</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span><span class="token value javascript language-javascript"><span class="token function">f</span><span class="token punctuation">(</span>document<span class="token punctuation">.</span><span class="token function">getElementById</span><span class="token punctuation">(</span><span class="token string">'sqlLog'</span><span class="token punctuation">)</span><span class="token punctuation">)</span></span><span class="token punctuation">"</span></span></span><span class="token punctuation">></span></span>解析SQL<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>button</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span>

<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>h2</span><span class="token punctuation">></span></span><span class="token tag"><span class="token tag"><span class="token punctuation"><</span>font</span> <span class="token attr-name">color</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>#32cd32<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>解析为可执行SQL：<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>font</span><span class="token punctuation">></span></span><span class="token tag"><span class="token tag"><span class="token punctuation"></</span>h2</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>textarea</span> <span class="token attr-name">id</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>d1<span class="token punctuation">"</span></span> <span class="token attr-name">rows</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>13<span class="token punctuation">"</span></span> <span class="token attr-name">cols</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>140<span class="token punctuation">"</span></span> <span class="token special-attr"><span class="token attr-name">style</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span><span class="token value css language-css"><span class="token property">font-size</span><span class="token punctuation">:</span>20px</span><span class="token punctuation">"</span></span></span><span class="token punctuation">></span></span><span class="token tag"><span class="token tag"><span class="token punctuation"></</span>textarea</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span> <span class="token special-attr"><span class="token attr-name">style</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span><span class="token value css language-css"><span class="token property">border</span><span class="token punctuation">:</span>0px deepskyblue solid<span class="token punctuation">;</span><span class="token property">width</span><span class="token punctuation">:</span>1425px<span class="token punctuation">;</span><span class="token property">height</span><span class="token punctuation">:</span>50px<span class="token punctuation">;</span><span class="token property">text-align</span><span class="token punctuation">:</span>right</span><span class="token punctuation">"</span></span></span><span class="token punctuation">></span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>button</span> <span class="token special-attr"><span class="token attr-name">style</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span><span class="token value css language-css"><span class="token property">color</span><span class="token punctuation">:</span>mediumblue<span class="token punctuation">;</span><span class="token property">width</span><span class="token punctuation">:</span>100px<span class="token punctuation">;</span><span class="token property">height</span><span class="token punctuation">:</span>60px</span><span class="token punctuation">"</span></span></span> <span class="token attr-name">type</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>button<span class="token punctuation">"</span></span> <span class="token special-attr"><span class="token attr-name">onclick</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span><span class="token value javascript language-javascript"><span class="token function">copySQL</span><span class="token punctuation">(</span><span class="token punctuation">)</span></span><span class="token punctuation">"</span></span></span><span class="token punctuation">></span></span>复制SQL<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>button</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span>

<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span> <span class="token attr-name">id</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>msg<span class="token punctuation">"</span></span> <span class="token special-attr"><span class="token attr-name">style</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span><span class="token value css language-css"><span class="token property">color</span><span class="token punctuation">:</span>cornflowerblue<span class="token punctuation">;</span><span class="token property">border</span><span class="token punctuation">:</span>0px black solid<span class="token punctuation">;</span><span class="token property">width</span><span class="token punctuation">:</span>800px<span class="token punctuation">;</span><span class="token property">height</span><span class="token punctuation">:</span>20px<span class="token punctuation">;</span><span class="token property">text-align</span><span class="token punctuation">:</span>right<span class="token punctuation">;</span><span class="token property">font-style</span><span class="token punctuation">:</span> initial<span class="token punctuation">;</span><span class="token property">font-size</span><span class="token punctuation">:</span> large</span><span class="token punctuation">"</span></span></span><span class="token punctuation">></span></span><span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span>

<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>body</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>html</span><span class="token punctuation">></span></span>

</code></pre> 
  <h3>测试验证</h3> 
  <p>将代码保存为一个后缀为<code>html</code>的文件，用浏览器打开，随便复制一段Mybatis SQL日志，测试效果基本没问题。</p> 
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                        <div>图片发自App最近做了一个关于微习惯的分享，这里有八个字：微量开始，超额完成。这里的言下之意其实是要你在一开始的时候，平静地接受自己的笨拙。接受自己的笨拙，理解自己的笨拙，放慢速度尝试，观察哪里可以改进，再反复练习，观察自己哪里可以再进一步改进，再反复…这是学习一切技能的必须的过程。这里的两个关键点是：1.尽快的开始这个过程，这就能够用到微习惯的微量开始。2.尽快的度过这个过程，这就需要用到超额完</div>
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<a class="tag" taget="_blank" href="/search/Java/1.htm">Java</a><a class="tag" taget="_blank" href="/search/redis/1.htm">redis</a><a class="tag" taget="_blank" href="/search/%E6%95%B0%E6%8D%AE%E5%BA%93/1.htm">数据库</a><a class="tag" taget="_blank" href="/search/%E7%BC%93%E5%AD%98/1.htm">缓存</a>
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<a class="tag" taget="_blank" href="/search/Java%E5%AE%9E%E6%88%98%28%E8%BF%9B%E9%98%B6%E7%89%88%29/1.htm">Java实战(进阶版)</a><a class="tag" taget="_blank" href="/search/java/1.htm">java</a><a class="tag" taget="_blank" href="/search/Java%E9%9B%B6%E5%9F%BA%E7%A1%80%E5%85%A5%E9%97%A8/1.htm">Java零基础入门</a><a class="tag" taget="_blank" href="/search/Java%E5%B9%B6%E5%8F%91/1.htm">Java并发</a><a class="tag" taget="_blank" href="/search/%E7%BA%BF%E7%A8%8B%E6%B1%A0/1.htm">线程池</a><a class="tag" taget="_blank" href="/search/%E5%A4%9A%E7%BA%BF%E7%A8%8B%E7%AF%87/1.htm">多线程篇</a>
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<a class="tag" taget="_blank" href="/search/java/1.htm">java</a><a class="tag" taget="_blank" href="/search/UI/1.htm">UI</a><a class="tag" taget="_blank" href="/search/linux/1.htm">linux</a><a class="tag" taget="_blank" href="/search/PHP/1.htm">PHP</a><a class="tag" taget="_blank" href="/search/android/1.htm">android</a>
                                    <div>╔-----------------------------------╗┆                           </div>
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                                    <span class="text-muted">braveCS</span>
<a class="tag" taget="_blank" href="/search/zookeeper/1.htm">zookeeper</a>
                                    <div>  
Required Software 
1) JDK>=1.6 
2)推荐使用ensemble的ZooKeeper(至少3台)，并run on separate machines 
3)在Yahoo!，zk配置在特定的RHEL boxes里，2个cpu，2G内存，80G硬盘 
   


数据和日志目录  
1)数据目录里的文件是zk节点的持久化备份，包括快照和事务日</div>
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                                    <div>项目中需要同时连接多个数据库的时候，如何才能在需要用到哪个数据库就连接哪个数据库呢？ 
Spring中有关于dataSource的配置： 
    <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource" 
  &nb</div>
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                                    <div>例如，你想myuser使用mypassword从任何主机连接到mysql服务器的话。 
 
GRANT ALL PRIVILEGES ON *.* TO 'myuser'@'%'IDENTIFIED BY 'mypassword' WI 
 
TH GRANT OPTION; 
 
如果你想允许用户myuser从ip为192.168.1.6的主机连接到mysql服务器，并使用mypassword作</div>
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                                    <span class="text-muted">g21121</span>
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                                    <div>        好久没有更新博客了，最近一段时间工作比较忙，所以请见谅，无论你是爱看呢还是爱看呢还是爱看呢，总之或许对你有些帮助。 
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                                    <span class="text-muted">永夜-极光</span>
<a class="tag" taget="_blank" href="/search/%E6%84%9F%E6%82%9F/1.htm">感悟</a><a class="tag" taget="_blank" href="/search/%E9%9A%8F%E7%AC%94/1.htm">随笔</a>
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1.转载地址:http://blog.csdn.net/jasonblog/article/details/10813313 
  
精华: 
“直言有讳”是阿里巴巴提倡的一种观念，而我在此之前并没有很深刻的认识。为什么呢？就好比是读书时候做阅读理解，我喜欢我自己的解读，并不喜欢老师给的意思。在这里也是。我自己坚持的原则是互相尊重，我觉得阿里巴巴很多价值观其实是基本的做人</div>
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<a class="tag" taget="_blank" href="/search/centos/1.htm">centos</a>
                                    <div>一般安装双系统的顺序是先装Win7，然后在安装CentOS，这样CentOS可以引导WIN 7启动。但安装CentOS7后，却找不到Win7 的引导，稍微修改一点东西即可。 
一、首先具有root 的权限。 
     即进入Terminal后输入命令su，然后输入密码即可 
二、利用vim编辑器打开/boot/grub2/grub.cfg文件进行修改 
v</div>
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                                    <div>Oracle备份与恢复案例 
一. 理解什么是数据库恢复当我们使用一个数据库时，总希望数据库的内容是可靠的、正确的，但由于计算机系统的故障（硬件故障、软件故障、网络故障、进程故障和系统故障）影响数据库系统的操作，影响数据库中数据的正确性，甚至破坏数据库，使数据库中全部或部分数据丢失。因此当发生上述故障后，希望能重构这个完整的数据库，该处理称为数据库恢复。恢复过程大致可以分为复原(Restore)与</div>
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                                    <span class="text-muted">無為子</span>

                                    <div>  
我非常高兴地宣布,今天我们最新的JavaEE开源快速开发平台G4Studio_V5.0版本已经正式发布。 
  
访问G4Studio网站  
http://www.g4it.org       
2013-04-06 发布G4Studio_V5.0版本 
功能新增 
(1). 新增了调用Oracle存储过程返回游标，并将游标映射为Java List集合对象的标</div>
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                                    <div>题目要求: 
1,创建student表和result表
2,pl/sql对学生的成绩数据进行处理
3,处理的逻辑是根据每门专业课的最低分线和总分的最低分数线自动的将录取和落选 
  
  
1,创建student表,和result表 
学生信息表; 
create table student(
   student_id number primary key,--学生id</div>
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                                    <span class="text-muted">bijian1013</span>
<a class="tag" taget="_blank" href="/search/%E9%A2%86%E5%AF%BC/1.htm">领导</a><a class="tag" taget="_blank" href="/search/%E7%AE%A1%E7%90%86/1.htm">管理</a><a class="tag" taget="_blank" href="/search/%E5%9B%A2%E9%98%9F/1.htm">团队</a>
                                    <div>责任 

  优秀的领导：优秀的领导总是对他所负责的项目担负起责任。如果项目不幸失败了，那么他知道该受责备的人是他自己，并且敢于承认错误。 
  
 差劲的领导：差劲的领导觉得这不是他的问题，因此他会想方设法证明是他的团队不行，或是将责任归咎于团队中他不喜欢的那几个成员身上。 
 
努力工作 

  优秀的领导：团队领导应该是团队成员的榜样。至少，他应该与团队中的其他成员一样努力工作。这仅仅因为他</div>
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                                    <span class="text-muted">Bill_chen</span>
<a class="tag" taget="_blank" href="/search/jquery/1.htm">jquery</a><a class="tag" taget="_blank" href="/search/%E6%B5%8F%E8%A7%88%E5%99%A8/1.htm">浏览器</a><a class="tag" taget="_blank" href="/search/IE/1.htm">IE</a><a class="tag" taget="_blank" href="/search/DWR/1.htm">DWR</a><a class="tag" taget="_blank" href="/search/ext/1.htm">ext</a>
                                    <div>  做前端开发的工程师，少不了要用FF进行测试，纯js函数在不同浏览器下，名称也可能不同。对于IE6和FF，取得下一结点的函数就不尽相同： 
 
  IE6：node.nextSibling,对于FF是不能识别的； 
 
  FF：node.nextElementSibling,对于IE是不能识别的； 
 
兼容解决方式：var Div = node.nextSibl</div>
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                                    <span class="text-muted">bit1129</span>
<a class="tag" taget="_blank" href="/search/%E5%9E%83%E5%9C%BE%E5%9B%9E%E6%94%B6/1.htm">垃圾回收</a>
                                    <div>吞吐量与用户线程暂停时间 
  
衡量垃圾回收算法优劣的指标有两个： 
 
 吞吐量越高，则算法越好 
 暂停时间越短，则算法越好 
 
首先说明吞吐量和暂停时间的含义。 
  
垃圾回收时，JVM会启动几个特定的GC线程来完成垃圾回收的任务，这些GC线程与应用的用户线程产生竞争关系，共同竞争处理器资源以及CPU的执行时间。GC线程不会对用户带来的任何价值，因此，好的GC应该占</div>
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                                    <span class="text-muted">白糖_</span>
<a class="tag" taget="_blank" href="/search/J2EE/1.htm">J2EE</a>
                                    <div> Servlet程序由Servlet，Filter和Listener组成，其中监听器用来监听Servlet容器上下文。 
监听器通常分三类：基于Servlet上下文的ServletContex监听，基于会话的HttpSession监听和基于请求的ServletRequest监听。 
  
 
 ServletContex监听器 
   ServletContex又叫application</div>
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                                    <span class="text-muted">boyitech</span>
<a class="tag" taget="_blank" href="/search/js/1.htm">js</a><a class="tag" taget="_blank" href="/search/AngularJS/1.htm">AngularJS</a><a class="tag" taget="_blank" href="/search/api/1.htm">api</a><a class="tag" taget="_blank" href="/search/Angular/1.htm">Angular</a><a class="tag" taget="_blank" href="/search/Provider/1.htm">Provider</a>
                                    <div>  Angular框架提供了强大的依赖注入机制，这一切都是有注入器(injector)完成. 注入器会自动实例化服务组件和符合Angular API规则的特殊对象，例如控制器，指令，过滤器动画等。 
  那注入器怎么知道如何去创建这些特殊的对象呢？ Angular提供了5种方式让注入器创建对象，其中最基础的方式就是提供者(provider), 其余四种方式(Value, Fac</div>
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                                    <span class="text-muted">bylijinnan</span>
<a class="tag" taget="_blank" href="/search/java/1.htm">java</a>
                                    <div>

public class CommonSubSequence {

	/**
	 * 题目：写一函数f(a,b)，它带有两个字符串参数并返回一串字符，该字符串只包含在两个串中都有的并按照在a中的顺序。
	 * 写一个版本算法复杂度O(N^2)和一个O(N) 。
	 * 
	 * O(N^2)：对于a中的每个字符，遍历b中的每个字符，如果相同，则拷贝到新字符串中。
	 * O(</div>
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                                    <span class="text-muted">Chen.H</span>
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                                    <div>在 Service Pack 4 (SP 4), 是运行 Microsoft Windows Server 2003、 Microsoft Windows Storage Server 2003 或 Microsoft Windows 2000 服务器上您尝试安装 Microsoft SQL Server 2000 通过卷许可协议 (VLA) 媒体。 这样做, 收到以下错误信息CD KEY的 SQ</div>
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                                    <span class="text-muted">comsci</span>

                                    <div> 
 
       气象战争的发动者必须是拥有发射深空航天器能力的国家或者组织.... 
 
       原因如下: 
 
       地球上的气候变化和大气层中的云层涡旋场有密切的关系,而维持一个在大气层某个层次</div>
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                                    <span class="text-muted">daizj</span>
<a class="tag" taget="_blank" href="/search/oracle/1.htm">oracle</a><a class="tag" taget="_blank" href="/search/grouping/1.htm">grouping</a><a class="tag" taget="_blank" href="/search/rollup/1.htm">rollup</a><a class="tag" taget="_blank" href="/search/cube/1.htm">cube</a>
                                    <div>oracle 中 rollup、cube、grouping 使用详解 -- 使用oracle 样例表演示 转自namesliu 
 
-- 使用oracle 的样列库，演示 rollup, cube, grouping 的用法与使用场景  
  
--- ROLLUP ， 为了理解分组的成员数量，我增加了 分组的计数  COUNT(SAL)  
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                                    <span class="text-muted">Dead_knight</span>
<a class="tag" taget="_blank" href="/search/%E6%8A%80%E6%9C%AF%E8%B5%84%E6%96%99%E6%B1%87%E6%80%BB+%E5%88%86%E4%BA%AB/1.htm">技术资料汇总 分享</a>
                                    <div>本人汇总的技术资料，分享出来，希望对大家有用。 
 
http://pan.baidu.com/s/1jGr56uE 
 
资料主要包含： 
Workflow->工作流相关理论、框架(OSWorkflow、JBPM、Activiti、fireflow...) 
Security->java安全相关资料(SSL、SSO、SpringSecurity、Shiro、JAAS...) 
Ser</div>
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                                    <span class="text-muted">dcj3sjt126com</span>
<a class="tag" taget="_blank" href="/search/english/1.htm">english</a><a class="tag" taget="_blank" href="/search/word/1.htm">word</a>
                                    <div>could 能够 
minute 分钟 
Tuesday 星期二 
February 二月 
eighteenth 第十八 
listen 听 
careful 小心的，仔细的 
short 短的 
heavy 重的 
empty 空的 
certainly 当然 
carry 携带；搬运 
tape 磁带 
basket 蓝子 
bottle 瓶 
juice 汁，果汁 
head 头；头部 
</div>
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                                    <div>OS 7 has a new method that allows you to draw a view hierarchy into the current graphics context. This can be used to get an UIImage very fast. 
I implemented a category method on UIView to get the vi</div>
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                                    <span class="text-muted">fanxiaolong</span>
<a class="tag" taget="_blank" href="/search/MySql%E9%87%8D%E7%BD%AE%E5%AF%86%E7%A0%81/1.htm">MySql重置密码</a>
                                    <div>方法一: 
 在my.ini的[mysqld]字段加入： 
skip-grant-tables 
重启mysql服务，这时的mysql不需要密码即可登录数据库 
 然后进入mysql 
mysql>use mysql; 
 mysql>更新 user set password=password('新密码') WHERE User='root'; 
mysq</div>
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                                    <span class="text-muted">234390216</span>
<a class="tag" taget="_blank" href="/search/ehcache/1.htm">ehcache</a><a class="tag" taget="_blank" href="/search/MemoryStore/1.htm">MemoryStore</a><a class="tag" taget="_blank" href="/search/DiskStore/1.htm">DiskStore</a><a class="tag" taget="_blank" href="/search/%E5%AD%98%E5%82%A8/1.htm">存储</a><a class="tag" taget="_blank" href="/search/%E9%A9%B1%E9%99%A4%E7%AD%96%E7%95%A5/1.htm">驱除策略</a>
                                    <div>Ehcache中储存缓存的方式 
  
目录 
1     堆内存（MemoryStore） 
1.1     指定可用内存 
1.2     驱除策略 
1.3     元素过期 
2   &nbs</div>
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                                    <span class="text-muted">jackyrong</span>
<a class="tag" taget="_blank" href="/search/spring+mvc/1.htm">spring mvc</a>
                                    <div>  在spring mvc中，在配置文件中的东西，可以在java代码中通过注解进行读取了： 
 
@PropertySource  在spring 3.1中开始引入 
 
比如有配置文件 
config.properties 
 
mongodb.url=1.2.3.4 
mongodb.db=hello 
 
则代码中 
  

@PropertySource(&</div>
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                                    <span class="text-muted">lanqiu17</span>
<a class="tag" taget="_blank" href="/search/%E5%8D%95%E4%BE%8B/1.htm">单例</a><a class="tag" taget="_blank" href="/search/Singleton/1.htm">Singleton</a><a class="tag" taget="_blank" href="/search/%E6%A8%A1%E5%BC%8F/1.htm">模式</a>
                                    <div>最近在重新学习设计模式，感觉对模式理解更加深刻。觉得有必要记下来。 
	第一个学的就是单例模式，单例模式估计是最好理解的模式了。它的作用就是防止外部创建实例，保证只有一个实例。
	单例模式的常用实现方式有两种，就人们熟知的饱汉式与饥汉式，具体就不多说了。这里说下其他的实现方式
	静态内部类方式: 
package test.pattern.singleton.statics;

publ</div>
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<a class="tag" taget="_blank" href="/search/java/1.htm">java</a><a class="tag" taget="_blank" href="/search/.net/1.htm">.net</a><a class="tag" taget="_blank" href="/search/%E5%BC%80%E6%BA%90/1.htm">开源</a>
                                    <div>背景 
2014年11月12日，ASP.NET之父、微软云计算与企业级产品工程部执行副总裁Scott Guthrie，在Connect全球开发者在线会议上宣布，微软将开源全部.NET核心运行时，并将.NET 扩展为可在 Linux 和 Mac OS 平台上运行。.NET核心运行时将基于MIT开源许可协议发布，其中将包括执行.NET代码所需的一切项目——CLR、JIT编译器、垃圾收集器（GC）和核心</div>
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缓存技术使用背景：一般来说，对于web项目，如果我们要什么数据直接jdbc查库好了，但是在遇到高并发的情形下，不可能每一次都是去查数据库，因为这样在高并发的情形下显得不太合理——</div>
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                                    <div>@Override 
   public boolean testDelete(String jobCode) throws Exception { 
      boolean flag = false; 
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掌握APP适应不同型号手机屏幕开发技巧 
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熟练Eclipse/ADT及相关工具  
熟悉Android框架原理及Activity生命周期 
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熟练使用SQLite数据库； 
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