function do_login(){ //获取用户名和密码信息,和数据库中比对 // echo 111111111; dump($_POST); // dump($_SESSION); $username=$_POST['username']; $password=$_POST['password']; $code=$_POST['code']; if($_SESSION['verify']!==md5($code)) { $this->error('验证码错误'); } /* else {$this->show('登录成功');} */ $m=new Model('user'); $where['username']=$username; //$where['password']=$password; $i=$m->where($where)->count(); dump($_POST); 打印出来的内容: array (size=3) 'username' => string 'gege' (length=4) 'password' => string '1234567' (length=7) 'code' => string '2268' (length=4) 登录页面: <!-- form 表单 table 表格 td 单元格 tr 行标签 --> <!doctype html> <html lang="en"> <head> <meta name="Generator" content="EditPlus?"> <meta name="Author" content=""> <meta name="Keywords" content=""> <meta name="Description" content=""> <title>Document</title> <link rel='stylesheet' type='text/css' href='__PUBLIC__/Css/login.css'/> <link rel='stylesheet' type='text/css' href='__PUBLIC__/Css/basic.css'/> <script src="__PUBLIC__/Js/login.js"></script> </head> <body> <!doctype html> <html lang="en"> <head> <meta name="Generator" content="EditPlus?"> <meta name="Author" content=""> <meta name="Keywords" content=""> <meta name="Description" content=""> <title>Document</title> </head> <body> <center> <h1>中均运维管理平台</h1> <!--图片标签--> <img class="img_bk" src="__PUBLIC__/Images/scan.jpg"/> </center> <!--表单提交--> <form action='__URL__/do_login' method='post' name="myForm"> <center> <table cellspacing="0" cellpadding="0"> <tr> <td class="td1">用户名:</td> <td><input type="text" name="username"/></td> <td class="td3"></td> <tr/> <tr> <td class="td1">密码:</td> <td><input type="password" name="password"/></td> <td class="td3"></td> <tr/> <tr> <td class="td1">验证码:</td> <td> <input type='text' name='code' /></td> <td class="td3"><img src="__APP__/Public/code" onclick='this.src=this.src+"?"+Math.random()'/></td> </tr> <center> <tr> <td class="td1"></td> <td> <!-- onclick 一个事件 login()方法来自__PUBLIC__/Js/login.js--> <img src="__PUBLIC__/Images/login.jpg" onclick="login()"/> <!--img src="__PUBLIC__/Images/login.jpg" />--> </td> <td class="td3"></td> </tr> <center/> <center/> </form> </body> </html> </body> </html>