common.js
/*
* JS配置
*/
var config = {
// 运行环境TV, PC
environment : "PC,TV",
debug : false
};
var Cfg = config;
/*
* 按键键值配置
*/
var publickey = {};
/**
var TVKey = {
left : 0x0025, // 左/快退
right : 0x0027, // 右/快进
up : 0x0026, // 上
down : 0x0028, // 下
ok : 0x000D, // 确定
back : 0x0008, // 删除/停止/返回
pageup : 0x0021, // 上页
pagedown : 0x0022, // 下页
key0 : 0x0030, // 0
key1 : 0x0031, // 1
key2 : 0x0032, // 2
key3 : 0x0033, // 3
key4 : 0x0034, // 4
key5 : 0x0035, // 5
key6 : 0x0036, // 6
key7 : 0x0037, // 7
key8 : 0x0038, // 8
key9 : 0x0039, // 9
menu : 0x0110,
info : 0x113 // F1/红色按键
};
*/
var TVKey = {
left : 0x0025, // 左/快退
right : 0x0027, // 右/快进
up : 0x0026, // 上
down : 0x0028, // 下
ok : 0x000D, // 确定
back : 0x0008, // 删除/停止/返回
pageup : 0x0230, // 上页
pagedown : 0x0231, // 下页
key0 : 0x0030, // 0
key1 : 0x0031, // 1
key2 : 0x0032, // 2
key3 : 0x0033, // 3
key4 : 0x0034, // 4
key5 : 0x0035, // 5
key6 : 0x0036, // 6
key7 : 0x0037, // 7
key8 : 0x0038, // 8
key9 : 0x0039, // 9
menu : 0x0110,
info : 0x010c, // F1/红色按键
/*
* CBT遥控器特殊按键
*/
last : 0x0118, // CBT遥控器的回退键
exit : 0x0120, // CBT遥控器的退出应用键
keyA : 0x0115 // CBT遥控器A键,响应info一样的功能
};
// 一般机顶盒和cbt机顶盒部分键映射
var Key2CBT = [];
Key2CBT[TVKey.back] = TVKey.last;
Key2CBT[TVKey.info] = TVKey.keyA;
/*
* 电脑注册键
* 注意电脑注册键保持与电视注册键一致
*/
var PCKey = {
left : 97, // A
right : 100, // D
up : 119, // W
down : 115, // S
ok : 13, // Enter
back : 98, // B
pageup : 117, // U
pagedown : 105, //I
key0 : 48, // 0
key1 : 49, // 1
key2 : 50, // 2
key3 : 51, // 3
key4 : 52, // 4
key5 : 53, // 5
key6 : 54, // 6
key7 : 55, // 7
key8 : 56, // 8
key9 : 57, // 9
info : 111, // info/option
last : 109 // M
};
(function(){
if(Cfg.environment == "PC") {
publickey = PCKey;
} else if(Cfg.environment == "TV") {
publickey = TVKey;
} else {
publickey = {};
for(var k in TVKey){
publickey[k] = TVKey[k];
}
for(var k in PCKey){
if(publickey[k]) {
publickey[k] = [publickey[k], PCKey[k]];
} else {
publickey[k] = PCKey[k];
}
}
}
})();
var PKey = publickey;
/*
* EPG页面JS框架,统一控制页面标签移动、事件处理
*
*/
var Ejs;
(function(window){
if(Ejs) return;
/*
* 一些通用对象和方法
*/
var document = window.document;
var location = window.location;
var _$ = function(id){
return document.getElementById(id);
};
var isEmpty = function(str){
if(str == undefined || str == ""){
return true;
}
return false;
};
/*
* EPG Page Object, 页面对象
*/
Ejs = {
keystatus : "keyup",
keypresstime : 0,
keyuptime : 0,
/*按键按下时长*/
keydowntime : 0,
/*
* 存储Html element, 必须以id标识所有element
*
* eg:
* elementPool : {
* id : {
* id : "id1",
* leftId : "id0",
* rightId : "id2",
* upId : "",
* downId : "id6",
* focusCss : "focus-css",
* blurCss : "blur-css",
* openCss : "open-css",
* onfocus : "func('a', 10)",
* onblur : "func('a', 10)",
* url : "http://xxxx",
* belongGroup : "g1",
* belongArea : "a1"
* }
* }
*/
elementPool : {},
/*
* 页面元素可以划分为不同的组,组中主要维护组焦点
* groupPool : {
* gid : {
* gid : "g1",
* focusId : "id1",
* keepFocus : "true",
* keepFocusCss : "css"
* }
* }
*/
groupPool : {},
defaultGroup : "default-group",
defaultArea : "default-area",
focusId : "",
lastFocusId : "",
openId : "",
/*
* 维护全局事件,以"key:function"的方式存储
* gEventPool : {
* 97 : "func1('a', 10)",
* 98 : "func2('a', 'b')"
* }
*
*/
gEventPool : {},
/*
* 维护局部事件,即绑定到具体元素的"key:function"
* lEventPool : {
* "id1" : {
* 97 : "func1('a', 10)",
* 98 : "func2('a', 'b')"
* }
* }
*
*/
lEventPool : {},
/*
* Element getter.
*/
getElement : function(id){
return this.elementPool[id];
},
/*
* Group getter.
*/
getGroup : function(gid){
return this.groupPool[gid];
},
/*
* 聚焦事件.
*/
focus : function(id){
// Element
var element = this.getElement(id);
// Change element focus-css
if(element && _$(id)) {
// 记录focus id
this.focusId = id;
// 如果当前元素被标识为open, 则样式为open css上叠加focus css
if(element.id == this.openId && element.focusCss) {
_$(id).className = element.openCss +" " + element.focusCss;
} else if(element.focusCss) {
_$(id).className = element.focusCss;
}
if(element.belongGroup) {
// Group
var group = this.getGroup(element.belongGroup);
// 记录group的focus id
if(group){
group.focusId = this.focusId;
}
}
// 执行onfocus方法
if(element.onfocus) {
eval(element.onfocus);
}
}
},
/*
* 失焦事件
*/
blur : function(id, blurCss){
var element = this.getElement(id);
// Change element blur-css
if(element && _$(id)) {
// 记录last focus id
this.lastFocusId = id;
// 如果当前元素被标识为open, 则样式改为open css
if(element.id == this.openId && element.openCss) {
_$(id).className = element.openCss;
} if(blurCss == "" || blurCss) {
_$(id).className = blurCss;
} else if(element.blurCss == "" || element.blurCss) {
_$(id).className = element.blurCss;
}
// 执行onblur方法
if(element.onblur) {
eval(element.onblur);
}
}
},
/*
* 定义Ejs内部元素
*/
move : function(fromId, toId, direction) {
// 记录焦点移动位置
var position = toId;
// this的引用
var epgobj = this;
// 判断元素是否存在
var isExist = function(id) {
// 如果没有注册到Ejs对象或者已删除,则返回false
if(!epgobj.getElement(id)) {
return false;
}
// 获取页面标签对象
var tagobj = _$(id);
// 如果页面标签不存在,则返回false
if(!tagobj) {
return false;
}
// 如果页面标签已经隐藏,则返回false
var s = tagobj.style;
if(s.visibility == "hidden" || s.display == "none") {
return false;
}
var dv = document.defaultView;
if(dv && (dv.getComputedStyle (tagobj,null)["visibility"] == "hidden" || dv.getComputedStyle (tagobj,null)["display"] == "none")) {
return false;
}
var cs = tagobj.currentStyle;
if(cs && (cs.visibility == "hidden" || cs.display == "none" )) {
return false;
}
return true;
};
// 根据移动方向计算下一个元素
var nextId = function(curElement, direction) {
var id = "";
if (curElement.leftId && direction == "left") {
id = curElement.leftId;
} else if (curElement.rightId && direction == "right") {
id = curElement.rightId;
} else if (curElement.upId && direction == "up") {
id = curElement.upId;
} else if (curElement.downId && direction == "down") {
id = curElement.downId;
}
return id;
};
// 区域内向某方向搜索下一个邻组id
var nextIdOtherGroup = function(startId, direction) {
var id = "";
var startElement = epgobj.getElement(startId);
var nextElement = epgobj.getElement(startId);
while(nextElement && startElement.belongArea == nextElement.belongArea) {
// 已搜索到邻组Id,则结束循环,返回邻组Id
if(startElement.belongGroup != nextElement.belongGroup) {
id = nextElement.id;
break;
}
// 沿各个方向搜索
if (direction == "left") {
if(!nextElement.leftId || isEmpty(nextElement.leftId)) break;
nextElement = epgobj.getElement(nextElement.leftId);
} else if (direction == "right") {
if(!nextElement.rightId || isEmpty(nextElement.rightId)) break;
nextElement = epgobj.getElement(nextElement.rightId);
} else if (direction == "up") {
if(!nextElement.upId || isEmpty(nextElement.upId)) break;
nextElement = epgobj.getElement(nextElement.upId);
} else if (direction == "down") {
if(!nextElement.downId || isEmpty(nextElement.downId)) break;
nextElement = epgobj.getElement(nextElement.downId);
}
// 如果回到起始点,则终止循环,返回""
if(nextElement && startElement.id == nextElement.id) {
break;
}
}
return id;
};
// 组内移动
var moveInGroup = function(fromId, toId, direction) {
var fromElement = epgobj.getElement(fromId);
var toElement = epgobj.getElement(toId);
position = toId;
// 同组搜索,单向搜索
while (toElement && fromElement.belongGroup == toElement.belongGroup) {
if(isExist(toId)) {
epgobj.blur(fromId);
epgobj.focus(toId);
return true;
}
toId = nextId(toElement, direction);
position = toId;
if(isEmpty(toId) || toId == fromId) {
return false;
}
toElement = epgobj.getElement(toId);
}
return false;
};
// 跨组正交移动
var moveVertical = function(fromId, toId, direction) {
// 设定正交点为起始点
var startElement = epgobj.getElement(toId);
var toElement = startElement;
var fromGroup = epgobj.getGroup(epgobj.getAttribute(fromId, "belongGroup"));
// 异组内向上搜索
while(toElement && startElement.belongGroup == toElement.belongGroup) {
if(isExist(toId)) {
if(fromGroup.keepFocus && fromGroup.keepFocusCss) {
epgobj.blur(fromId, fromGroup.keepFocusCss);
} else {
epgobj.blur(fromId);
}
epgobj.focus(toId);
return true;
}
if(direction == "left" || direction == "right") {
toId = toElement.upId;
} else {
toId = toElement.leftId;
}
// 如果没有下一个ID或者回到起点,则退出循环
if(isEmpty(toId) || toId == startElement.id) {
break;
}
toElement = epgobj.getElement(toId);
}
// 回到正交点(起始点)
var toElement = startElement;
toId = toElement.id;
// 异组内向下搜索
while(toElement && startElement.belongGroup == toElement.belongGroup) {
if(isExist(toId)) {
if(fromGroup.keepFocus && fromGroup.keepFocusCss) {
epgobj.blur(fromId, fromGroup.keepFocusCss);
} else {
epgobj.blur(fromId);
}
epgobj.focus(toId);
return true;
}
if(direction == "left" || direction == "right") {
toId = toElement.downId;
} else {
toId = toElement.rightId;
}
// 如果没有下一个ID或者回到起点,则退出循环
if(isEmpty(toId) || toId == startElement.id) {
break;
}
toElement = epgobj.getElement(toId);
}
return false;
};
// 跨组移动
var moveOtherGroup = function(fromId, toId, direction) {
var fromElement = epgobj.getElement(toId);
var toElement = epgobj.getElement(toId);
var fromGroup = epgobj.getGroup(epgobj.getAttribute(fromId, "belongGroup"));
// 修复toElement没有定义的问题 modified at 2013.05.03 by 10110873
if(!toElement) return false;
// 跨组移动,组保留了焦点,直接定位到组焦点
var group = epgobj.getGroup(toElement.belongGroup);
if(group.keepFocus && !isEmpty(group.focusId) && isExist(group.focusId)) {
if(fromGroup.keepFocus && fromGroup.keepFocusCss) {
epgobj.blur(fromId, fromGroup.keepFocusCss);
} else {
epgobj.blur(fromId);
}
epgobj.focus(group.focusId);
return true;
}
// 记录起始点
var startElement = toElement;
while(toElement && fromElement.belongGroup == toElement.belongGroup) {
if(isExist(toId)) {
if(fromGroup.keepFocus && fromGroup.keepFocusCss) {
epgobj.blur(fromId, fromGroup.keepFocusCss);
} else {
epgobj.blur(fromId);
}
epgobj.focus(toId);
return true;
}
// 正交搜索
if(moveVertical(fromId, toId, direction)) {
return true;
}
// 继续沿异组内原方向搜索
toId = nextId(toElement, direction);
position = toId;
if(isEmpty(toId) || startElement.id == toId) {
return false;
}
toElement = epgobj.getElement(toId);
}
return false;
};
var moveVerticalArea = function(fromId, toId, direction) {
// 设定正交点为起始点
var startElement = epgobj.getElement(toId);
// 区域内向上搜索
while(true) {
if(direction == "left" || direction == "right") {
toId = nextIdOtherGroup(toId, "up");
} else {
toId = nextIdOtherGroup(toId, "left");
}
if(isEmpty(toId) || startElement.id == toId) {
break;
}
toElement = epgobj.getElement(toId);
if(startElement.belongArea != toElement.belongArea) {
break;
}
if(moveOtherGroup(fromId, toId, direction)) {
return true;
}
}
// 回到起始点
toId = startElement.id;
// 区域内向下搜索
while(true) {
if(direction == "left" || direction == "right") {
toId = nextIdOtherGroup(toId, "down");
} else {
toId = nextIdOtherGroup(toId, "right");
}
if(isEmpty(toId) || startElement.id == toId) {
break;
}
toElement = epgobj.getElement(toId);
if(startElement.belongArea != toElement.belongArea) {
break;
}
if(moveOtherGroup(fromId, toId, direction)) {
return true;
}
}
return false;
};
// 区域内移动
var moveInArea = function(fromId, toId, direction) {
var fromElement = epgobj.getElement(fromId);
var toElement = epgobj.getElement(toId);
while(toElement && fromElement.belongArea == toElement.belongArea) {
// 组内移动
if(moveInGroup(fromId, toId, direction)){
return true;
}
// 记下当前组开始的位置
var startId = position;
if(isEmpty(startId)) {
return;
}
// 异组移动
if(moveOtherGroup(fromId, startId, direction)) {
return true;
}
// 记下当前组移动的最终位置
var startId2 = position;
// 区域内移动
if(moveVerticalArea(fromId, startId, direction)) {
return true;
}
toId = startId2;
toElement = epgobj.getElement(toId);
}
return false;
};
// 执行移动
return moveInArea(fromId, toId, direction);
},
/*
* 元素默认事件.
* toLeft: 左移
* toRight: 右移
* toUp: 上移
* toDown: 下移
* onOk: 确定
*/
// 默认使用不带参数,如果带参数,如: toLeft("^id_0$"),表示如果上一焦点如果是id_0,则按左键直接从当前焦点移到id_0
toLeft : function(regx) {
if(regx && this.lastFocusId.match(regx)) {
var lastFocusId = this.lastFocusId;
Ejs.blur(this.focusId);
Ejs.focus(lastFocusId);
} else {
var element = this.getElement(this.focusId);
if(isEmpty(element.leftId)){
return;
}
this.move(this.focusId, element.leftId, "left");
}
},
toRight : function(regx) {
if(regx && this.lastFocusId.match(regx)) {
var lastFocusId = this.lastFocusId;
Ejs.blur(this.focusId);
Ejs.focus(lastFocusId);
} else {
var element = this.getElement(this.focusId);
if(isEmpty(element.rightId)){
return;
}
this.move(this.focusId, element.rightId, "right");
}
},
toUp : function(regx){
if(regx && this.lastFocusId.match(regx)) {
var lastFocusId = this.lastFocusId;
Ejs.blur(this.focusId);
Ejs.focus(lastFocusId);
} else {
var element = this.getElement(this.focusId);
if(isEmpty(element.upId)){
return;
}
this.move(this.focusId, element.upId, "up");
}
},
toDown : function(regx){
if(regx && this.lastFocusId.match(regx)) {
var lastFocusId = this.lastFocusId;
Ejs.blur(this.focusId);
Ejs.focus(lastFocusId);
} else {
var element = this.getElement(this.focusId);
if(isEmpty(element.downId)){
return;
}
this.move(this.focusId, element.downId, "down");
}
},
onOk : function(){
var element = this.getElement(this.focusId);
if(element && element.url) {
var url = element.url;
if(window.Cmn) {
Cmn.location(url);
return;
}
if (/\?$/.test(url)) {
url += 'focusid=' + this.focusId + '&gfocusid=' + this.getGFocus();
} else if (/\?.+$/.test(url)) {
url += '&focusid=' + this.focusId + '&gfocusid=' + this.getGFocus();
} else {
url += '?focusid=' + this.focusId + '&gfocusid=' + this.getGFocus();
}
location.href = url;
}
},
/*
* 元素绑定按键响应事件.
* eg: bindEvent('id1', 97, 'myFunc("a", 10)')
*/
bindEvent : function(id, key, func){
if(this.lEventPool[id] == undefined) {
this.lEventPool[id] = {};
}
// 同时支持PCKey和TVKey
if(typeof(key) == 'object') {
for(var i = 0; i < key.length; i ++) {
this.lEventPool[id][key[i]] = func;
// CBT映射
var ck = Key2CBT[key[i]];
if(ck) {
this.lEventPool[id][ck] = func;
}
}
} else {
this.lEventPool[id][key] = func;
// CBT映射
var ck = Key2CBT[key];
if(ck) {
this.lEventPool[id][ck] = func;
}
}
},
/*
* 批量绑定元素按键响应事件.
* eg: batchBindEvent(['id1','id2'], 97, 'myFunc("a", 10)')
*/
batchBindEvent : function(ids, key, func) {
for(var i in ids) {
this.bindEvent(ids[i], key, func);
}
},
/*
* 批量绑定组内所有元素按键响应事件.
* eg: groupBindEvent('gid', 97, 'myFunc("a", 10)')
*/
groupBindEvent : function(gid, key, func) {
for(var id in this.elementPool) {
var element = this.elementPool[id];
if(element.belongGroup == gid) {
this.bindEvent(id, key, func);
}
}
},
/*
* 注册全局按键响应事件.
* eg: reigsterEvent(97, 'myFunc("a", 10)')
*/
registerEvent : function(key, func){
// 同时支持PCKey和TVKey
if(typeof(key) == 'object') {
for(var i = 0; i < key.length; i ++) {
this.gEventPool[key[i]] = func;
// CBT映射
var ck = Key2CBT[key[i]];
if(ck) {
this.gEventPool[ck] = func;
}
}
} else {
this.gEventPool[key] = func;
// CBT映射
var ck = Key2CBT[key];
if(ck) {
this.gEventPool[ck] = func;
}
}
},
/*
* 判断元素是否绑定按键事件.
*/
hasLEvent : function(id, key){
if(this.lEventPool[id] == undefined){
return false;
}
if(this.lEventPool[id][key] == undefined){
return false;
}
return true;
},
/*
* 判断是否注册全局按键事件.
*/
hasGEvent : function(key){
if(this.gEventPool[key] == undefined){
return false;
}
return true;
},
/*
* 响应按键,执行事件
*/
handleEvent : function(key){
var id = this.focusId;
// 优先执行元素绑定的按键事件.
if(this.hasLEvent(id, key)){
return eval(this.lEventPool[id][key]);
}
// 元素没有绑定事件,执行全局按键事件.
if(this.hasGEvent(key)){
return eval(this.gEventPool[key]);
}
return;
},
/*
* Input parameter:
* {
* id : "id1",
* leftId : "id0",
* rightId : "id2",
* upId : "",
* downId : "id6",
* focusCss : "focus-css",
* blurCss : "blur-css",
* openCss : "open-css",
* url : "http://xxxx",
* belongGroup : "g1"
* }
*/
addElement : function(element) {
var id = element.id;
if(isEmpty(element.belongGroup)) {
element.belongGroup = this.defaultGroup;
}
if(isEmpty(element.belongArea)) {
element.belongArea = this.defaultArea;
}
this.elementPool[id] = element;
var gid = element.belongGroup;
var group = {"gid" : gid, keepFocus : false};
this.groupPool[gid] = group;
},
removeElement : function(id) {
this.elementPool[id] = undefinded;
},
getElement : function(id) {
return this.elementPool[id];
},
getAttribute : function(id, attrKey) {
return this.elementPool[id][attrKey];
},
setAttribute : function(id, attrKey, attrValue) {
this.elementPool[id][attrKey] = attrValue;
},
/*
* eg: setKeepFocus(["g1", "g2"], true, "css")
*/
setKeepFocus : function(gids, keepFocus, keepFocusCss) {
if(keepFocus == undefined) {
keepFocus = false;
}
if(keepFocusCss == undefined) {
keepFocusCss = false;
}
for (var i = 0; i < gids.length; i ++) {
this.groupPool[gids[i]]["keepFocus"] = keepFocus;
this.groupPool[gids[i]]["keepFocusCss"] = keepFocusCss;
}
},
/*
* setGroup( "g1", ["a1", "a2"], true, "css")
*/
setGroup : function(gid, ids, keepFocus, keepFocusCss) {
for(var i = 0; i < ids.length; i ++) {
if(Cfg.debug && !this.elementPool[ids[i]]) {
alert(ids[i] + " is not in elementPool");
}
this.elementPool[ids[i]].belongGroup = gid;
}
if(keepFocus == undefined) {
keepFocus = false;
}
if(keepFocusCss == undefined) {
keepFocusCss = false;
}
var group = {"gid" : gid, "keepFocus" : keepFocus, "keepFocusCss" : keepFocusCss};
this.groupPool[gid] = group;
},
getGroup : function(gid) {
return this.groupPool[gid];
},
setOpen : function(id) {
var element = this.getElement(id);
this.openId = id;
if(_$(id)) _$(id).className = element.openCss;
},
setFocus : function(id) {
this.focus(id);
},
getFocus : function() {
return this.focusId;
},
getLastFocus : function() {
return this.lastFocusId;
},
/*
* setGFocus( "a1,a2")
*/
setGFocus : function(ids) {
var focusId = this.focusId;
var gfocusIds = ids.split(",");
for(var i in gfocusIds) {
this.focus(gfocusIds[i]);
}
this.focusId = focusId;
},
/*
* 获取组焦点,参数为组id,如果没有传参数,则默认取得所有组的id
*/
getGFocus : function(gid) {
var gfocusid = "";
if(gid) {
gfocusid = this.groupPool[gid].focusId;
} else {
for (var gid in this.groupPool) {
if (!isEmpty(this.groupPool[gid].focusId)) {
gfocusid += this.groupPool[gid].focusId + ",";
}
}
gfocusid = gfocusid.replace(/,$/, "");
}
return gfocusid;
},
/*
* 清除组焦点样式
* removeGFocus('g1', true)
* delFocusFlag = true, 不仅清除样式,组保留的焦点也清除,false,只清除样式,仍保留焦点的数据
*/
removeGFocus : function(gid, delFocusFlag) {
if(!this.groupPool[gid] || !this.groupPool[gid].focusId) return;
var gfocusid = this.groupPool[gid].focusId;
if(_$(gfocusid)) Ejs.blur(gfocusid);
if(delFocusFlag) this.groupPool[gid].focusId = "";
}
};
//window.EPGObject = EPGObject;
Ejs.registerEvent(PKey.left, "Ejs.toLeft()");
Ejs.registerEvent(PKey.right, "Ejs.toRight()");
Ejs.registerEvent(PKey.up, "Ejs.toUp()");
Ejs.registerEvent(PKey.down, "Ejs.toDown()");
Ejs.registerEvent(PKey.ok, "Ejs.onOk()");
Ejs.registerEvent(PKey.exit, "window.close()");
Ejs.registerEvent(PKey.back, "Cmn.hisback()");
var gloabtime=new Date().getTime();//:当前时间的Time值
document.onkeypress = function (event) {
var event = event || window.event;
var nowTime=new Date().getTime();
//alert("Press key: " + event.keyCode);
if( nowTime-gloabtime > 100){
Ejs.handleEvent(event.keyCode);
}
gloabtime=nowTime;
return false;
};
})(window);
epgpage.js
var Cmn; if (!Cmn) Cmn = {}; // 添加cookie Cmn.addCookie = function(objName, objValue, objHours) { var str = objName + "=" + escape(objValue); // objHours为0时不设定过期时间,浏览器关闭时cookie自动消失 if (objHours > 0) { var date = new Date(); var ms = objHours * 3600 * 1000; date.setTime(date.getTime() + ms); str += "; expires=" + date.toGMTString(); } document.cookie = str; }; // 获取指定名称的cookie的值 Cmn.getCookie = function(objName) { var arrStr = document.cookie.split("; "); for ( var i = 0; i < arrStr.length; i++) { var temp = arrStr[i].split("="); if (temp[0] == objName) return unescape(temp[1]); } }; // 删除cookie Cmn.delCookie = function(name) { document.cookie = name + "=;expires=" + (new Date(0)).toGMTString(); }; // 删除并返回cookie Cmn.popCookie = function(name) { var value = this.getCookie(name); this.delCookie(name); return value; }; // 获取请求参数 Cmn.getParam = function(name) { var re = new RegExp(name + "=([^&=]+)"); if (re.test(window.location.search)) { return RegExp.$1; } }; // url拼接参数 Cmn.addParam = function(url, name, value) { if (!value) return url; if (/\?$/.test(url)) { url += name + '=' + value; } else if (/\?.+$/.test(url)) { url += '&' + name + '=' + value; } else { url += '?' + name + '=' + value; } return url; }; /** * 向url添加参数,若url已包含该参数则覆盖,否则添加 * * @param url * @param paramname * @param paramvalue */ Cmn.setParam = function(url, paramname, paramvalue) { if (!paramvalue) return url; /* $1 从开始到region= $2 region的值 */ var str = "(^.+[?&]" + paramname + "=)(\\w*)(?=&\\w*)?"; var reg = new RegExp(str, "i"); if (reg.exec(url)) { return url.replace(reg, "$1" + paramvalue); } /* 是否包含 ? */ reg = /^.+\?((?=\b)|(?=$))/i; if (reg.test(url)) { url = url + "&" + paramname + "=" + paramvalue; } else { url = url + "?" + paramname + "=" + paramvalue; } return url; }; // 方法添加到window.onload Cmn.addLoadEvent = function(func) { var oldonload = window.onload; if (typeof window.onload != "function") { window.onload = func; } else { window.onload = function() { oldonload(); eval(func); }; } }; /** * 存储返回URL到cookie中,转向其它页面的时候调用 backurl:返回URL,默认即是访问当前页面的URL */ Cmn.pushBackUrl = function(backurl) { if (!backurl) { backurl = window.location.pathname + window.location.search; backurl = backurl.replace(/&?gfocusid=([^&=]+)/g, "").replace( /&?focusid=([^&=]+)/g, ""); if (/\?$/.test(backurl)) { backurl += 'focusid=' + Ejs.getFocus() + '&gfocusid=' + Ejs.getGFocus(); } else if (/\?.+$/.test(backurl)) { backurl += '&focusid=' + Ejs.getFocus() + '&gfocusid=' + Ejs.getGFocus(); } else { backurl += '?focusid=' + Ejs.getFocus() + '&gfocusid=' + Ejs.getGFocus(); } } var APP_BACK_URL = Cmn.getCookie("APP_BACK_URL"); Cmn.addCookie("APP_BACK_URL", APP_BACK_URL ? (APP_BACK_URL + "~" + backurl) : backurl); }; /** * 从cookie中读取返回URL,返回的时候调用 */ Cmn.popBackUrl = function() { var APP_BACK_URL = Cmn.getCookie("APP_BACK_URL"); if (!APP_BACK_URL) return; var i = APP_BACK_URL.lastIndexOf("~"); var backurl = APP_BACK_URL.substr(i + 1); Cmn.addCookie("APP_BACK_URL", i < 0 ? "" : APP_BACK_URL.substr(0, i)); return backurl; }; /** * 页面跳转方法,自动记录历史URL url:目标url backurl:历史url */ Cmn.location = function(url, backurl) { if (!url) return; Cmn.pushBackUrl(backurl); window.location = url; }; /** * 页面历史回退方法 */ Cmn.hisback = function() { var backurl = Cmn.popBackUrl(); if (backurl) { window.location = backurl; } else { window.close(); } }; /* * 不推荐,建议使用Cmn.location 向目标URL添加返回的URL url:目标url,即打算访问的URL cururl: * 访问当前页面的url,用户从目标URL访问的页面返回 */ Cmn.addBackUrl = function(url, cururl) { if (!cururl) { cururl = window.location.pathname + window.location.search; cururl = cururl.replace(/&?gfocusid=([^&=]+)/g, "").replace( /&?focusid=([^&=]+)/g, ""); if (/\?$/.test(cururl)) { cururl += 'focusid=' + Ejs.getFocus() + '&gfocusid=' + Ejs.getGFocus(); } else if (/\?.+$/.test(cururl)) { cururl += '&focusid=' + Ejs.getFocus() + '&gfocusid=' + Ejs.getGFocus(); } else { cururl += '?focusid=' + Ejs.getFocus() + '&gfocusid=' + Ejs.getGFocus(); } } var re = new RegExp("backurl=([^&=]+)"); var backurl = ""; if (re.test(cururl)) { backurl = RegExp.$1; } cururl = cururl.replace(/&?backurl=([^&=]+)/g, ""); backurl = (backurl == "") ? encodeURIComponent(cururl) : (backurl + "~" + encodeURIComponent(cururl)); if (/\?$/.test(url)) { url += 'backurl=' + backurl; } else if (/\?.+$/.test(url)) { url += '&backurl=' + backurl; } else { url += '?backurl=' + backurl; } return url; }; /* * 不推荐,建议使用Cmn.hisback 获取返回到上一页面的url */ Cmn.getBackUrl = function() { var url = window.location.href; var backurl = ""; var re = new RegExp("backurl=([^&=]+)"); if (re.test(url)) { backurl = RegExp.$1; } url = decodeURIComponent(backurl.substr(backurl.lastIndexOf("~") + 1)); backurl = backurl.substring(0, backurl.lastIndexOf("~")); if (backurl == "") return url; if (/\?$/.test(url)) { url += 'backurl=' + backurl; } else if (/\?.+$/.test(url)) { url += '&backurl=' + backurl; } else { url += '?backurl=' + backurl; } return url; }; /* * jquery ajax 不需要考虑重复提交和响应延迟问题,如下: Cmn.jqAjax("get")("rest/xxx", test); * 考虑重复提交和响应延迟问题,必须预先new所有请求共享的对象,然后用共享对象请求 var req = new Cmn.jqAjax("get"); * req("rest/xxx", test); */ Cmn.jqAjax = function(method) { var token; // 提交标识 var req = function(url, callback, data) { // token生成规则:token = url var newToken = url; // 如果重复提交,则直接返回 // Cmn.log("Cmn.jqAjax===>token=" + token); // Cmn.log("Cmn.jqAjax===>newToken=" + newToken); if (token == newToken) return; // 更新token Cmn.log("ajax ------------------> " + url); token = newToken; $ .ajax({ "url" : url, type : method, contentType : "application/json", dataType : "json", "data" : data ? data : "", success : function(data) { // 由于Ajax请求延迟,只响应最近请求 // Cmn.log("Cmn.jqAjax===>token=" + token); // Cmn.log("Cmn.jqAjax===>newToken=" + newToken); Cmn.log("fetch data successfully from " + url); var start = new Date(); Cmn.log("invoke the callback " + callback.name + "-----------start----------------" + start.getTime()); if (token != newToken) return; // 请求成功,回调函数 Cmn.log("Cmn.jqAjax===>code=" + data.code + ", url=" + this.url); if (data && data.code == "0000" && callback && callback != "") { callback(data.message); } var end = new Date(); Cmn.log("invoke the callback " + callback.name + "-----------end----------------" + end.getTime()); Cmn.log("invoke the callback " + callback.name + "-----------consume-----------" + (end.getTime() - start.getTime())); }, error : function(XMLHttpRequest, textStatus, errorThrown) { Cmn.log("Cmn.jqAjax调用出错===>url=" + this.url); Cmn.log("Cmn.jqAjax调用出错===>textStatus=" + textStatus + ",errorThrown=" + errorThrown); } }); }; return req; }; // 打印日志 Cmn.log = function(info) { // alert(info); // var date = new Date(); // info = date.toLocaleTimeString()+"\t"+date.getMilliseconds()+"\t"+info; if (window.ztebw) { alert(info); } if (window.console) { console.log(info); } else { alert(info); } }; Cmn.getCurrentTime = function(id) { $.ajax({ url : "../../rest/youtube/currenttime",// 路径 type : "get",// 请求 contentType : 'application/json', dataType : "json", success : function(data) { if (data.code == "0000") { time = data.message.time; $('#' + id).text(time); } } }); }; /** * 判断一个数组是否包含一个元素 * * @param array * @param item * @returns {Boolean} */ function ArrayContain(array, item) { var flag = false; for (index in array) { flag = (item == array[index]) ? true : false; if (flag) break; } return flag; } function _ajax(url, callback, flag) { $.ajax({ "url" : url, type : "GET", contentType : "application/json", dataType : "json", success : function(data) { if (data && data.code == "0000" && callback && callback != "") { // 标示向前查询 data.flag = flag; callback(data); } }, error : function(XMLHttpRequest, textStatus, errorThrown) { Cmn.log("ajax调用出错===>url=" + url); } }); } // 获取url字符串中指定的参数 getPostParameter // parameter: key 需要获取的参数名称 // 返回与key对应参数的code值 { // 截取url字符串中问号后字符串 var subUrl = ""; var parameter = ""; if (window.location.href.split('?')[1] != undefined) { subUrl = window.location.href.split('?')[1]; parameter = subUrl.split('&'); } var len = parameter.length; function getPP(key) { var result = ""; for ( var i = 0; i < len; i++) { if (key == parameter[i].split('=')[0]) { result = parameter[i].split('=')[1]; } } return result; } } function updateDomain() { Authentication.CTCSetConfig('UserToken', 'ef659809001dae5df30e6babc179d92e'); Authentication.CTCSetConfig('EPGDomain', hostname); Authentication.CTCSetConfig('EPGGroupNMB', '0'); Authentication.CTCSetConfig('UserGroupNMB', '0'); Authentication.CTCSetConfig('ChannelCount', '0'); Authentication.CTCSetConfig('ServiceEntry','URL="http://epg.iptv.com/BTVEPGURL",HotKey="***",Desc="BTVEPGURL"'); Authentication.CTCSetConfig('SetEpgMode', '720P'); // 高清 } // 文字滚动实现 应用场景:聚焦滚动 Cmn.scrollText = function(id) { var el = document.getElementById(id); var scrollWidth = el.scrollWidth; var offsetWidth = el.offsetWidth; Cmn.log("Element(\"" + id + "\"): scrollWidth=" + scrollWidth + ", offsetWidth=" + offsetWidth); if(scrollWidth > offsetWidth) { el.innerHTML = '' + el.innerText + ' '; } };
jquery.min.js
/*!
* jQuery JavaScript Library v1.5.1
* http://jquery.com/
*
* Copyright 2011, John Resig
* Dual licensed under the MIT or GPL Version 2 licenses.
* http://jquery.org/license
*
* Includes Sizzle.js
* http://sizzlejs.com/
* Copyright 2011, The Dojo Foundation
* Released under the MIT, BSD, and GPL Licenses.
*
* Date: Wed Feb 23 13:55:29 2011 -0500
*/
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深入理解TomcatWrapper原理一、引言在Tomcat的分层容器架构中,Wrapper作为最底层的容器,专门负责管理单个Servlet的生命周期及请求分发。每一个Servlet(包括JSP、Filter等)都对应一个Wrapper。Wrapper是Servlet规范与Tomcat容器实现之间的桥梁,直接关系到请求的分发效率、Servlet的加载与重用、安全隔离等。本文将系统剖析Wrapper
人工智能应用研究快讯 2021-11-30
峰谷皆平
[HTML]ArtificialIntelligenceforSkinCancerDetection:ScopingReviewATakiddin,JSchneider,YYang,AAbd-Alrazaq...JournalofMedicalInternet...,2021ABSTACT:Background:Skincanceristhemostcommoncancertypeaffectin
前端面试每日 3+1 —— 第39天
浪子神剑
今天的面试题(2019.05.25)——第39天[html]title与h1、b与strong、i与em的区别分别是什么?[css]写出你知道的CSS水平和垂直居中的方法[js]说说你对模块化的理解[软技能]公钥加密和私钥加密是什么?《论语》,曾子曰:“吾日三省吾身”(我每天多次反省自己)。前端面试每日3+1题,以面试题来驱动学习,每天进步一点!让努力成为一种习惯,让奋斗成为一种享受!欢迎在Iss
selenium 特殊场景处理
文章目录前言一、windows的弹窗二、内嵌网页frame三、页签切换四、截图五、弹窗六、JS执行总结前言selenium处理web操作师,有很多特殊的情况需要处理,例如弹窗、内嵌网页,页签切换,js执行等,下面介绍一些可能会遇到的特殊场景一、windows的弹窗importwin32com.client'''创建了一个WScript.ShellCOM(ComponentObjectModel)对
大学社团管理系统(11831)
codercode2022
java spring boot spring echarts spring cloud sentinel java-rocketmq
有需要的同学,源代码和配套文档领取,加文章最下方的名片哦一、项目演示项目演示视频二、资料介绍完整源代码(前后端源代码+SQL脚本)配套文档(LW+PPT+开题报告)远程调试控屏包运行三、技术介绍Java语言SSM框架SpringBoot框架Vue框架JSP页面Mysql数据库IDEA/Eclipse开发四、项目截图有需要的同学,源代码和配套文档领取,加文章最下方的名片哦!
二级域名分发网站源码 商业版全开源
lskelasi
程序源码 二级域名分发源码 二级域名分发网站源码 源码
介绍:快乐二级域名分发-快乐二级域名分发源码主要是二级域名分发网站源码,不懂的不要下载了。本套源码可设置收费使用,有充值接口,域名接口配置自己研究吧网盘下载地址:https://zijiewangpan.com/jsX0JAuRE01图片:
2021-01-19
长孙俊明
curl-H"Content-Type:application/json"-XPUT127.0.0.1:9200/_all/_settings-d'{"index.max_result_window":"5000000"}'
VUE 座位图功能+扩展
NUZGNAW
vue.js javascript 前端
1、通过循环画出页面座位图0"style="display:table;margin:0auto;min-height:472px;position:relative;">{{i.sign}}2、画出右下角的预览图3、编写对应js方法watch:{seatList:{handler(newVal,oldVal){if(this.seatList&&!stringBlank(this.seatLis
为什么学习Web前端一定要掌握JavaScript?
web前端学习指南
为什么学习Web前端一定要掌握JavaScript?在前端的世界里,没有什么是JavaScript实现不了的,关于JS有一句话:凡是可以用JavaScript来写的应用,最终都会用JavaScript,JavaScript可运行在所有主要平台的所有主流浏览器上,也可运行在每一个主流操作系统的服务器端上。现如今我们在为网站写任何一个主要功能的时候都需要有懂能够用JavaScript写前端的开发人员。
响应式编程实践:Spring Boot WebFlux构建高性能非阻塞服务
fanxbl957
Web spring boot 后端 java
博主介绍:Java、Python、js全栈开发“多面手”,精通多种编程语言和技术,痴迷于人工智能领域。秉持着对技术的热爱与执着,持续探索创新,愿在此分享交流和学习,与大家共进步。全栈开发环境搭建运行攻略:多语言一站式指南(环境搭建+运行+调试+发布+保姆级详解)感兴趣的可以先收藏起来,希望帮助更多的人响应式编程实践:SpringBootWebFlux构建高性能非阻塞服务一、引言在当今数字化时代,互
vue项目
阿什么名字不会重复呢
vue.js 前端 javascript
vue进行配置创建vue项目vuecreateone//one就是项目名字npmielement-ui--Snpmiaxios--savenpmiecharts--save配置main.jsimportVuefrom'vue'importAppfrom'./App.vue'importrouterfrom'./router'importstorefrom'./store'importElement
native.js设置可缩放的webview并隐藏缩放控件
Nanayai
需求明确:webview页面可以手指缩放,并且不要那个原生控件;实现思路:1.使用h5+封装好的方法:设置scalable属性,并在html中设置meta标签:user-scalable=yes或不设置,minimum-scale和maximum-scale需要注意不要都设为1:mui.openWindow({url:"someThing",id:"someThing",styles:{scala
自定义参数解析器HandlerMethodArgumentResolver,重新定义@ResponseBody的请求方式
chanyi
1、解决的问题加了@ResponseBody注解的方法,请求的方式是post的json格式,但如果我们也要通过post的application/x-www-form-urlencoded格式访问此接口。在不改变此接口的情况下。通过修改参数解析器HandlerMethodArgumentResovler来兼容两种请求方法。2、思路根据不同的content-type使用不同参数解析处理器。Conten
python中的 JWT
weixin_34355881
python json php
Jsonwebtoken(JWT),是为了在网络应用环境间传递声明而执行的一种基于JSON的开放标准((RFC7519).该token被设计为紧凑且安全的,特别适用于分布式站点的单点登录(SSO)场景。JWT的声明一般被用来在身份提供者和服务提供者间传递被认证的用户身份信息,以便于从资源服务器获取资源,也可以增加一些额外的其它业务逻辑所必须的声明信息,该token也可直接被用于认证,也可被加密。基
【Python】PyJWT:轻松实现 JSON Web Token (JWT) 网络令牌的生成与验证
@Unity打怪升级
Python python json 网络 开发语言 前端 pip ipython
PyJWT是一个用Python实现的轻量级库,用于处理JSONWebToken(JWT)。JWT是一种安全的方式,用来表示双方之间经过签名的令牌,通常用于认证和授权场景。PyJWT简化了JWT的生成和验证过程,使得开发者能够轻松地在Python项目中集成JWT功能。在这篇博客中,我们将深入介绍PyJWT,展示如何生成、解码和验证JWT令牌,并且会通过代码示例演示如何在实际项目中使用PyJWT进行认
时间组件库Day.js那些事
前端小白花
javascript 开发语言 ecmascript
一、简介1.什么是Day.jsDay.js是一个轻量级,易于使用的JavaScript日期库,提供了强大的日期和时间处理功能,与Moment.js的API设计相似,但具有更高的性能和更小的体积。Day.js官网https://day.js.org/docs/zh-CN/installation/installation2.优势a.特点轻量级:Dayjs的压缩后大小只有2KB左右,远小于Moment
Python 数据可视化神器—Pyecharts
代码输入中...
python echarts 开发语言 数据分析 pycharm
前言Echarts是百度开源的一款数据可视化JS工具,数据可视化类型十分丰富,但是得通过导入js库在JavaWeb项目上运行。作为工作中常用Python的选手,不能不知道这款数据可视化插件的强大。那么,能否在Python中也能用到Echarts的功能呢?寻找中惊喜地发现了pyecharts,只需在python中安装该模块即可使用。安装常用的pip安装包一键安装pyecharts#pyecharts
JavaScript正则表达式去除括号但保留内容与去除括号与内容
Selicens
javascript 正则表达式
项目上碰到一个需求,是取多个递增文件的文件名,类似于test(1).txt、test(2).txt,但是不需要括号,只要test1、test2这种格式,最开始想到的办法就是js里的replace替换,先上一个比较笨但是也能实现效果的例子letname="test(1).txt"letdata=name.split('.')[0].replace('(','').replace(')','')con
如何从模型返回结构化数据
努力学习agent
langchain 人工智能
with_structured_output()方法支持此方法的模型ProviderToolcallingStructuredoutputJSONmodeLocalMultimodalPackageChatAnthropic✅✅❌❌✅langchain-anthropicChatMistralAI✅✅❌❌❌langchain-mistralaiChatFireworks✅✅✅❌❌langchain
[simdjson] 实现不同CPU调度 | 自动硬件适配的抽象
lvy-
# json高速解析lib linux 数据库
第八章:实现不同CPU调度欢迎回来~在前面的章节中,我们已经探索了如何使用simdjson的解析器、填充字符串、文档、值类型、对象与数组,学习了如何处理错误处理,甚至处理文档流。我们已经看到simdjson的速度非常快。这种速度很大程度上源于现代CPU提供的高性能专用指令。但并非所有CPU都相同!在Intel芯片上可用的指令可能在ARM芯片或旧款Intel芯片上不存在。这带来了一个挑战:如何让si
OpenSIPS 邂逅 Kafka:构建高效 VoIP 消息处理架构
c_zyer
opensips SIP 消息队列 kafka opensips voip
使用场景使用步骤引入模块组装&发送数据消费数据故障转移使用场景异步日志处理:将OpenSIPS中的SIP信令日志、通话记录(CDR)等数据发送到Kafka队列中。事件通知与监控:利用OpenSIPS的event_interface模块将SIP事件(如呼叫建立、断开、注册等)推送到KafkaOpenSIPS中事件接口有以下类型:EVENT_DATAGRAM-PublishJSON-RPCnotifi
网络安全第14集
不灭锦鲤
web安全 安全
前言:小迪安全14集,这集重点内容:0、什么是js渗透测试?在javascript中也存在变量和函数,存在可控变量和函数就有可能存在在漏洞,js开发的web应用和php、java开发的区别是,js能看得到的源代码,php看不到,但是风险就是未授权访问、配置信息泄露(加密算法、key秘钥等),源代码看得到,存在更多的url泄露,从而可能会出现未授权访问,从url,前提:web应用可以采用前端语言或后
datax数据抽取csv到mysql
datax数据抽取执行pythondatax.py-rstreamreader-wstreamwriter命令得到job的json模板,而Windows不支持这种语法。二、解决方案cross-env是一个解决跨平台环境变量设置
JS对象三
玉米地里的熊
1.枚举对象中的属性使用for...in语句-语法:for(var变量in对象){}for...in语句对象中有几个属性,循环体就会执行几次每次执行时,会将对象中的一个属性的名字赋值给变量varobj={name:"孙悟空",age:18,gender:"男",address:"花果山"};for(varninobj){console.log("属性名:"+n);console.log("属性值:
【华为OD机试真题】39、 密钥格式化 | 机试真题+思路参考+代码解析(C语言、C++、Java、Py、JS)
KFickle
华为od c语言 c++ javascript java 密钥格式化
文章目录一、题目题目描述输入输出样例1样例2二、代码与思路参考C语言思路C代码C++语言思路C++代码Java语言思路Java代码Python语言思路Python代码JS语言思路JS代码作者:鲨鱼狼臧个人博客首页:鲨鱼狼臧专栏介绍:2023华为OD机试真题,使用C、C++、JS、Java、Python五种语言进行解答,专栏每篇文章都包括真题,思路参考,代码分析,订阅有问题后续可与博主解答问题,欢迎
【华为OD机试真题】186、服务中心选址 | 机试真题+思路参考+代码解析(C++、Java、Py、JS)
KFickle
华为od c++ java 华为OD机试真题 javascript 华为 服务中心选址
文章目录一、题目题目描述输入输出样例1样例2样例3二、代码与思路参考C++语言思路C++代码Java语言思路Java代码Python语言思路Python代码JS语言思路JS代码作者:鲨鱼狼臧个人博客首页:鲨鱼狼臧专栏介绍:持续更新最新的华为OD机试真题,本专栏使用C++、Java、Python、JS语言进行解答,目前已更新到2024的B、C、D卷,每个题目的思路分析都非常详细,题目新增图解思路,问
Algorithm
香水浓
java Algorithm
冒泡排序
public static void sort(Integer[] param) {
for (int i = param.length - 1; i > 0; i--) {
for (int j = 0; j < i; j++) {
int current = param[j];
int next = param[j + 1];
mongoDB 复杂查询表达式
开窍的石头
mongodb
1:count
Pg: db.user.find().count();
统计多少条数据
2:不等于$ne
Pg: db.user.find({_id:{$ne:3}},{name:1,sex:1,_id:0});
查询id不等于3的数据。
3:大于$gt $gte(大于等于)
&n
Jboss Java heap space异常解决方法, jboss OutOfMemoryError : PermGen space
0624chenhong
jvm jboss
转自
http://blog.csdn.net/zou274/article/details/5552630
解决办法:
window->preferences->java->installed jres->edit jre
把default vm arguments 的参数设为-Xms64m -Xmx512m
----------------
文件上传 下载 解析 相对路径
不懂事的小屁孩
文件上传
有点坑吧,弄这么一个简单的东西弄了一天多,身边还有大神指导着,网上各种百度着。
下面总结一下遇到的问题:
文件上传,在页面上传的时候,不要想着去操作绝对路径,浏览器会对客户端的信息进行保护,避免用户信息收到攻击。
在上传图片,或者文件时,使用form表单来操作。
前台通过form表单传输一个流到后台,而不是ajax传递参数到后台,代码如下:
<form action=&
怎么实现qq空间批量点赞
换个号韩国红果果
qq
纯粹为了好玩!!
逻辑很简单
1 打开浏览器console;输入以下代码。
先上添加赞的代码
var tools={};
//添加所有赞
function init(){
document.body.scrollTop=10000;
setTimeout(function(){document.body.scrollTop=0;},2000);//加
判断是否为中文
灵静志远
中文
方法一:
public class Zhidao {
public static void main(String args[]) {
String s = "sdf灭礌 kjl d{';\fdsjlk是";
int n=0;
for(int i=0; i<s.length(); i++) {
n = (int)s.charAt(i);
if((
一个电话面试后总结
a-john
面试
今天,接了一个电话面试,对于还是初学者的我来说,紧张了半天。
面试的问题分了层次,对于一类问题,由简到难。自己觉得回答不好的地方作了一下总结:
在谈到集合类的时候,举几个常用的集合类,想都没想,直接说了list,map。
然后对list和map分别举几个类型:
list方面:ArrayList,LinkedList。在谈到他们的区别时,愣住了
MSSQL中Escape转义的使用
aijuans
MSSQL
IF OBJECT_ID('tempdb..#ABC') is not null
drop table tempdb..#ABC
create table #ABC
(
PATHNAME NVARCHAR(50)
)
insert into #ABC
SELECT N'/ABCDEFGHI'
UNION ALL SELECT N'/ABCDGAFGASASSDFA'
UNION ALL
一个简单的存储过程
asialee
mysql 存储过程 构造数据 批量插入
今天要批量的生成一批测试数据,其中中间有部分数据是变化的,本来想写个程序来生成的,后来想到存储过程就可以搞定,所以随手写了一个,记录在此:
DELIMITER $$
DROP PROCEDURE IF EXISTS inse
annot convert from HomeFragment_1 to Fragment
百合不是茶
android 导包错误
创建了几个类继承Fragment, 需要将创建的类存储在ArrayList<Fragment>中; 出现不能将new 出来的对象放到队列中,原因很简单;
创建类时引入包是:import android.app.Fragment;
创建队列和对象时使用的包是:import android.support.v4.ap
Weblogic10两种修改端口的方法
bijian1013
weblogic 端口号 配置管理 config.xml
一.进入控制台进行修改 1.进入控制台: http://127.0.0.1:7001/console 2.展开左边树菜单 域结构->环境->服务器-->点击AdminServer(管理) &
mysql 操作指令
征客丶
mysql
一、连接mysql
进入 mysql 的安装目录;
$ bin/mysql -p [host IP 如果是登录本地的mysql 可以不写 -p 直接 -u] -u [userName] -p
输入密码,回车,接连;
二、权限操作[如果你很了解mysql数据库后,你可以直接去修改系统表,然后用 mysql> flush privileges; 指令让权限生效]
1、赋权
mys
【Hive一】Hive入门
bit1129
hive
Hive安装与配置
Hive的运行需要依赖于Hadoop,因此需要首先安装Hadoop2.5.2,并且Hive的启动前需要首先启动Hadoop。
Hive安装和配置的步骤
1. 从如下地址下载Hive0.14.0
http://mirror.bit.edu.cn/apache/hive/
2.解压hive,在系统变
ajax 三种提交请求的方法
BlueSkator
Ajax jqery
1、ajax 提交请求
$.ajax({
type:"post",
url : "${ctx}/front/Hotel/getAllHotelByAjax.do",
dataType : "json",
success : function(result) {
try {
for(v
mongodb开发环境下的搭建入门
braveCS
运维
linux下安装mongodb
1)官网下载mongodb-linux-x86_64-rhel62-3.0.4.gz
2)linux 解压
gzip -d mongodb-linux-x86_64-rhel62-3.0.4.gz;
mv mongodb-linux-x86_64-rhel62-3.0.4 mongodb-linux-x86_64-rhel62-
编程之美-最短摘要的生成
bylijinnan
java 数据结构 算法 编程之美
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
public class ShortestAbstract {
/**
* 编程之美 最短摘要的生成
* 扫描过程始终保持一个[pBegin,pEnd]的range,初始化确保[pBegin,pEnd]的ran
json数据解析及typeof
chengxuyuancsdn
js typeof json解析
// json格式
var people='{"authors": [{"firstName": "AAA","lastName": "BBB"},'
+' {"firstName": "CCC&
流程系统设计的层次和目标
comsci
设计模式 数据结构 sql 框架 脚本
流程系统设计的层次和目标
 
RMAN List和report 命令
daizj
oracle list report rman
LIST 命令
使用RMAN LIST 命令显示有关资料档案库中记录的备份集、代理副本和映像副本的
信息。使用此命令可列出:
• RMAN 资料档案库中状态不是AVAILABLE 的备份和副本
• 可用的且可以用于还原操作的数据文件备份和副本
• 备份集和副本,其中包含指定数据文件列表或指定表空间的备份
• 包含指定名称或范围的所有归档日志备份的备份集和副本
• 由标记、完成时间、可
二叉树:红黑树
dieslrae
二叉树
红黑树是一种自平衡的二叉树,它的查找,插入,删除操作时间复杂度皆为O(logN),不会出现普通二叉搜索树在最差情况时时间复杂度会变为O(N)的问题.
红黑树必须遵循红黑规则,规则如下
1、每个节点不是红就是黑。 2、根总是黑的 &
C语言homework3,7个小题目的代码
dcj3sjt126com
c
1、打印100以内的所有奇数。
# include <stdio.h>
int main(void)
{
int i;
for (i=1; i<=100; i++)
{
if (i%2 != 0)
printf("%d ", i);
}
return 0;
}
2、从键盘上输入10个整数,
自定义按钮, 图片在上, 文字在下, 居中显示
dcj3sjt126com
自定义
#import <UIKit/UIKit.h>
@interface MyButton : UIButton
-(void)setFrame:(CGRect)frame ImageName:(NSString*)imageName Target:(id)target Action:(SEL)action Title:(NSString*)title Font:(CGFloa
MySQL查询语句练习题,测试足够用了
flyvszhb
sql mysql
http://blog.sina.com.cn/s/blog_767d65530101861c.html
1.创建student和score表
CREATE TABLE student (
id INT(10) NOT NULL UNIQUE PRIMARY KEY ,
name VARCHAR
转:MyBatis Generator 详解
happyqing
mybatis
MyBatis Generator 详解
http://blog.csdn.net/isea533/article/details/42102297
MyBatis Generator详解
http://git.oschina.net/free/Mybatis_Utils/blob/master/MybatisGeneator/MybatisGeneator.
让程序员少走弯路的14个忠告
jingjing0907
工作 计划 学习
无论是谁,在刚进入某个领域之时,有再大的雄心壮志也敌不过眼前的迷茫:不知道应该怎么做,不知道应该做什么。下面是一名软件开发人员所学到的经验,希望能对大家有所帮助
1.不要害怕在工作中学习。
只要有电脑,就可以通过电子阅读器阅读报纸和大多数书籍。如果你只是做好自己的本职工作以及分配的任务,那是学不到很多东西的。如果你盲目地要求更多的工作,也是不可能提升自己的。放
nginx和NetScaler区别
流浪鱼
nginx
NetScaler是一个完整的包含操作系统和应用交付功能的产品,Nginx并不包含操作系统,在处理连接方面,需要依赖于操作系统,所以在并发连接数方面和防DoS攻击方面,Nginx不具备优势。
2.易用性方面差别也比较大。Nginx对管理员的水平要求比较高,参数比较多,不确定性给运营带来隐患。在NetScaler常见的配置如健康检查,HA等,在Nginx上的配置的实现相对复杂。
3.策略灵活度方
第11章 动画效果(下)
onestopweb
动画
index.html
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/
FAQ - SAP BW BO roadmap
blueoxygen
BO BW
http://www.sdn.sap.com/irj/boc/business-objects-for-sap-faq
Besides, I care that how to integrate tightly.
By the way, for BW consultants, please just focus on Query Designer which i
关于java堆内存溢出的几种情况
tomcat_oracle
java jvm jdk thread
【情况一】:
java.lang.OutOfMemoryError: Java heap space:这种是java堆内存不够,一个原因是真不够,另一个原因是程序中有死循环; 如果是java堆内存不够的话,可以通过调整JVM下面的配置来解决: <jvm-arg>-Xms3062m</jvm-arg> <jvm-arg>-Xmx
Manifest.permission_group权限组
阿尔萨斯
Permission
结构
继承关系
public static final class Manifest.permission_group extends Object
java.lang.Object
android. Manifest.permission_group 常量
ACCOUNTS 直接通过统计管理器访问管理的统计
COST_MONEY可以用来让用户花钱但不需要通过与他们直接牵涉的权限
D