我們上一節對驗證碼進行了設置，但是我們發現驗證碼不能刷新。所以我們用js對驗證碼進行簡單的操作。
onclick="this.src='__CONTROLLER__/verify/'+Math.random();
觸發一個點擊事件，對驗證碼進行操作。
<!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"><!--Head--><head> <meta charset="utf-8"> <title>PHP中文网：交流群374224296</title> <meta name="description" content="login page"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <!--Basic Styles--> <link href="__PUBLIC__/style/bootstrap.css" rel="stylesheet"> <link href="__PUBLIC__/style/font-awesome.css" rel="stylesheet"> <!--Beyond styles--> <link id="beyond-link" href="__PUBLIC__/style/beyond.css" rel="stylesheet"> <link href="__PUBLIC__/style/demo.css" rel="stylesheet"> <link href="__PUBLIC__/style/animate.css" rel="stylesheet"> </head> <!--Head Ends--> <!--Body--> <body> <div class="login-container animated fadeInDown"> <form action="" method="post"> <div class="loginbox bg-white"> <div class="loginbox-title">登录</div> <div class="loginbox-textbox"> <input value="admin" class="form-control" placeholder="username" name="username" type="text"> </div> <div class="loginbox-textbox"> <input class="form-control" placeholder="password" name="password" type="password"> </div> <div class="loginbox-textbox"> <input class="form-control" style="width:120px; height:50px; float:left;" placeholder="验证码" name="verify" type="text"> <img src="__CONTROLLER__/verify" style="cursor:pointer;" onclick="this.src='__CONTROLLER__/verify/'+Math.random();" height="50" width="100" border="0" > </div> <div class="loginbox-submit"> <input class="btn btn-primary btn-block" value="Login" type="submit"> </div> </div> <div class="logobox"> <p class="text-center">PHP中文网：交流群374224296</p> </div> </form> </div> <!--Basic Scripts--> <script src="__PUBLIC__/style/jquery.js"></script> <script src="__PUBLIC__/style/bootstrap.js"></script> <script src="__PUBLIC__/style/jquery_002.js"></script> <!--Beyond Scripts--> <script src="__PUBLIC__/style/beyond.js"></script> </body><!--Body Ends--></html>
