ajax无刷新提交笔记
数据库自己模拟建一个 执行一下添加功能
php部分采用pdo方法：
<?php$db ='mysql';$host ='localhost';$port ='3306';$dbname = 'ajax';$user = 'root';$pwd = '';$dsn = "$db:host=$host;port=$port;dbname=$dbname"; //设定字符集 $options = array(PDO::MYSQL_ATTR_INIT_COMMAND=>'SET NAMES \'UTF8\''); $pdo = new PDO($dsn,$user,$pwd,$options);$name = $_POST['name'];//print_r ($name);exit;$pwd = $_POST['pwd'];$code = $_POST['code'];$sql = "insert into user (name,pwd,code) values ('".$name."','".$pwd."','".$code."')";$res=$pdo->exec($sql); if ($res){ echo 1; exit;}else{ echo 2; exit;}ajax前端部分
<script type="text/javascript" class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="jquery-1.8.3.min.js"></script> <script type="text/javascript"> $(function(){ $(".user_main_r button").click(function(){ $.post('./login.php', $('form').serialize(), function(data) { if(data == 1){ alert ('添加成功'); $("#admin_user").val(''); $("#admin_psd").val(''); $("#captcha").val(''); }else{ alert ('添加失败'); } }); }); }); </script> <title>无刷新用户登录</title> </head> <body id="userlogin_body"> <form id="form" method="post" > <ul> <div class="user_main_box"> <ul> <li class="user_main_text">用户名： </li> <li class="user_main_input"> <input id="admin_user" name="name" maxlength="20" /> </li> </ul> <ul> <li class="user_main_text">密 码： </li> <li class="user_main_input"> <input class="TxtPasswordCssClass" id="admin_psd" name="pwd" type="password"> </li> </ul> <ul> <li class="user_main_text">身份证： </li> <li class="user_main_input"> <input class="TxtValidateCodeCssClass" id="captcha" name="code" type="text"> </li> </ul> </div> </li> <li class="user_main_r"> <button type="button" >提交</button> </li> </ul> </form> </body>
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