前端：
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no" />
<title></title>
<script src="js/mui.min.js"></script>
<link href="css/mui.min.css" rel="stylesheet"/>
<script type="text/javascript" charset="utf-8">
mui.init();
</script>
</head>
<body>
<div class="mui-content">
<header class="mui-bar mui-bar-nav">
<a class="mui-action-back mui-icon mui-icon-left-nav mui-pull-left"></a>
<h1 class="mui-title">注册</h1>
</header>
<form class="mui-input-group" style="margin-top:45px ;">
<div class="mui-input-row">
<label>用户名</label>
<input type="text" class="mui-input-clear" placeholder="请输入用户名" id="username">
</div>
<div class="mui-input-row">
<label>密码</label>
<input type="password" class="mui-input-password" placeholder="请输入密码" id="password">
</div>
<div class="mui-input-row">
<label>email</label>
<input type="text" class="mui-input-clear" placeholder="请输入邮箱" id="email">
</div>
<div class="mui-button-row">
<button type="button" class="mui-btn mui-btn-primary" id="yes">确认</button>
<button type="button" class="mui-btn mui-btn-danger" >取消</button>
</div>
</form>
</div>
</body>
<script type="text/javascript">
function caseajax(){
console.log(username,password)
mui.ajax('http://172.28.29.24:8081/php/reg.php',{
data:{
username:'username.value',
password:'password.value',
email:'email.value'
},
dataType:'json',//服务器返回json格式数据
type:'post',//HTTP请求类型
timeout:10000,//超时时间设置为10秒；
headers:{'Content-Type':'application/json'},
success:function(data){
console.log(data)
},
error:function(xhr,type,errorThrown){
//异常处理；
console.log(type);
}
})
}
document.getElementById("yes").addEventListener("tap",function(){caseajax()})
</script>
</html>
```javascript
```后端：
<?php
header("Content-type:text/html;charset=utf-8");
header("Access-Control-Allow-Origin: *"); //跨域
if(!isset($_POST['submit'])){exit("非法访问!");}
$username = $_POST['username'];
$password = $_POST['password'];
$email = $_POST['email'];
//注册信息判断
if(!preg_match('/^[\w\x80-\xff]{3,30}$/', $username)){
exit('错误：用户名不符合规定。<a href="javascript:history.back(-1);">返回</a>');
}
if(strlen($password) < 6){
exit('错误：密码长度不符合规定。<a href="javascript:history.back(-1);">返回</a>');
}
if(!preg_match('/^\w+@\w+(\.[a-zA-Z]{2,3}){1,2}$/', $email)){
exit('错误：电子邮箱格式错误。<a href="javascript:history.back(-1);">返回</a>');
}
//包含数据库连接文件
include('conn.php');
//检测用户名是否已经存在
//$check_query = mysqli_query($conn,"select uid from user where username='$username' limit 1");
//if(mysqli_fetch_array($check_query)){
//echo '错误：用户名 ',$username,' 已存在。<a href="javascript:history.back(-1);">返回</a>';
//exit;
//}
//if (!$check_query) {
//printf("Error: %s\n", mysqli_error($dbc));
//exit();
//}
//写入数据
$password = MD5($password);
$regdate = time();
$sql = "INSERT INTO user(username,password,email,regdate)VALUES('$username','$password','$email',
$regdate)";
if(mysqli_query($GLOBALS['conn'],$sql)){
exit('用户注册成功！点击此处 <a href="../login.html">登录</a>');
} else {
echo '抱歉！添加数据失败：',mysqli_error($conn),'<br />';
echo '点击此处 <a href="javascript:history.back(-1);">返回</a> 重试';
}
?>
没有ajax进程啊，求解答
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