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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>php结合ajax处理表单</title>
<style type="text/css">
table{
background-color: skyblue;
box-shadow: 3px 3px 3px #888;
border-radius: 3%;
padding: 15px;
margin: 30px auto;
}
table td{
padding: 8px;
}
table caption{
font-size:1.5em;
margin-bottom: 10px;
}
textarea{
resize: none;
}
form table button{
width: 100px;
height: 30px;
border: none;
background-color: lightgreen;
color: white;
}
form table button:hover{
background-color: orangered;
color: white;
font-size: 1.1em;
}
</style>
</head>
<body>
<form id="reg">
<table>
<caption>用户注册</caption>
<tr>
<td><label for="email">邮箱：</label></td>
<td><input type="text" name="mail" id="email"></td>
</tr>
<tr>
<td><label for="password1">密码：</label></td>
<td><input type="password" name="password1" id="password1"></td>
</tr>
<tr>
<td><label for="password2">确认：</label></td>
<td><input type="password" name="password2" id="password2"></td>
</tr>
<tr>
<td><label for="">性别：</label></td>
<td>
<input type="radio" name="gender" id="male" value="male"><label for="male">男</label>
<input type="radio" name="gender" id="female" value="male"><label for="female">女</label>
<input type="radio" name="gender" id="secret" value="male"><label for="secret">保密</label>
</td>
</tr>
<tr>
<td><label for="level">级别：</label></td>
<td><select name="level" id="level">
<option value="0">小白</option>
<option value="1" selected="">中级</option>
<option value="2">大神</option>
</select></td>
</tr>
<tr>
<td><label for="php">语言：</label></td>
<td><input type="checkbox" name="lang[]" id="php" value="php"><label for="php">php</label>
<input type="checkbox" name="lang[]" id="java" value="java"><label for="java">java</label>
<input type="checkbox" name="lang[]" id="python" value="python"><label for="python">python</label>
<input type="checkbox" name="lang[]" id="c" value="c"><label for="c">c</label></td>
</tr>
<tr>
<td><label for="">简介：</label></td>
<td><textarea name="comment" id="comment" rows="3" cols="30"></textarea></td>
</tr>
<tr>
<td colspan="2" align="center">
<button type="submit" name="submit">提交</button>
</td>
</tr>
</table>
</form>
<script type="text/javascript" src="http://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script>
<script type="text/javascript">
//请求邮箱验证
$('#email').blur(function(){
$.post('admin/check.php?check=email','email='+$('#email').val(),
function(data){
switch(data.status){
case 0:
$('td').find('span').remove()
$('#email').after('<span>').next().text(data.msg).css('color','red').prev().focus()
break;
case 1:
$('td').find('span').remove()
$('#email').after('<span>').next().text(data.msg).css('color','red').prev().focus()
break;
case 2:
$('td').find('span').remove()
$('#email').after('<span>').next().text(data.msg).css('color','green')
break;
}
},'json')
})
//密码验证
$('#password1').blur(function(){
if($('#email').val().length == 0){
return false
}
$.post('admin/check.php?check=password1','password1='+$('#password1').val(),function(data){
if(data.status == 0){
$('td').find('span').remove()
$('#password1').after('<span>').next().text(data.msg).css('color','red').prev().focus()
}
},'json')
})
//确定密码的验证
$('#password2').blur(function(){
if($('#email').val().length == 0){
return false
}
// if($('#password1').val().length == 0){
// return false
// }
$.post('admin/check.php?check=password2',{
password1:$('#password1').val(),
password2:$('#password2').val()
},function(data){
switch(data.status){
case 0:
$('td').find('span').remove()
$('#password2').after('<span>').next().text(data.msg).css('color','red').prev().focus()
break;
case 1:
$('td').find('span').remove()
$('#password2').after('<span>').next().text(data.msg).css('color','red').prev().focus()
break;
case 2:
$('td').find('span').remove()
$('#password2').after('<span>').next().text(data.msg).css('color','green')
break;
}
},'json')
})
//简介验证
$('#comment').blur(function(){
$.post('admin/check.php?check=comment','comment='+$('#comment').val(),
function(data){
if(data.status == 0){
$('td').find('span').remove()
$('#comment').after('<span>').next().text(data.msg).css('color','red').prev().focus()
}
},'json')
})
</script>
</body>
</html>点击 "运行实例" 按钮查看在线实例
<?php
// echo '<pre>';
// print_r($_POST);
// echo $_GET['check'];
switch ($_GET['check']) {
case 'email':
$email = $_POST['email'];
if (empty($email)) {
exit(json_encode(['status'=>0, 'msg'=>'邮箱不能为空']));
} else if (in_array($email,['admin@php.cn','yang@php.cn'])){
exit(json_encode(['status'=>1, 'msg'=>'邮箱已占用']));
}else{
exit(json_encode(['status'=>2, 'msg'=>'邮箱可用']));
}
break;
//验证密码
case 'password1':
$password1 = $_POST['password1'];
if (empty($password1)) {
exit(json_encode(['status'=>0, 'msg'=>'密码不能为空']));
}
break;
//验证确认密码
case 'password2':
$password1 = $_POST['password1'];
$password2 = $_POST['password2'];
if (empty($password2)) {
exit(json_encode(['status'=>0, 'msg'=>'确认不能为空']));
} else if ($password1 != $password2) {
exit(json_encode(['status'=>1, 'msg'=>'二次密码不相等']));
} else{
exit(json_encode(['status'=>2, 'msg'=>'验证通过']));
}
break;
//验证简介
case 'comment':
$comment = $_POST['comment'];
if (empty($comment)) {
exit(json_encode(['status'=>0, 'msg'=>'简介不能为空']));
}
break;
default:
# code...
break;
}点击 "运行实例" 按钮查看在线实例
