轻言放弃之博客005

引入关系：init.php > mysql.php > config.php

// init.php
";// C:\xampp\htdocs\QYFQ\lib
    // echo dirname(__DIR__), "
";// 当前目录的上一级
    // echo __FILE__, "
";// C:\xampp\htdocs\QYFQ\lib\init.php
    // echo __LINE__;// 5
    
    // 字符集
    header('Content-type: text/html; charset=utf8');
    define('ROOT', dirname(__DIR__));

    // echo ROOT;
    require(ROOT.'/lib/mysql.php');

 ?>

// mysql.php

 $v) {
                $sql .= $k . "='" .$v . "',";
            }
            $sql = rtrim($sql, ',') . " where " . $where;// 去掉最后一个多余的逗号
            // echo $sql;
            return mQuery($sql);
        }
    }

    $data = array('title' => '今天的空气', 'content' => '空气质量堪忧', 'pubtime' => 123456, 'author' => 'Aaayang');
    // insert into art(title, content, pubtime, author) values ('今天的空气', '空气质量堪忧', '123456', 'Aaayang');
    // update art set title='今天的空气', content='空气质量堪忧', pubtime='123456', author='Aaayang' where art_id=1;
    // echo mExec('art', $data, 'update', "art_id=1");

    /**
     * 取得上一步insert操作产生的主键ID
     */
    function getLastId() {
        return mysql_insert_id(mConn());
    }
    
 ?>

// config.php
 'localhost',
        'user' => 'root',
        'pwd' => '',
        'db' => 'blog',
        'charset' => 'utf8'
    );

 ?>