1.login.html
实例
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>电子相册</title>
<link rel="stylesheet" href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
<script type="text/javascript" src="http://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script>
<script src="https://cdn.bootcss.com/bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa" crossorigin="anonymous"></script>
<script type="text/javascript">
$(document).ready(function(){
$(':input').eq(0).blur(function(){
$.ajax({
url:'login_php/check.php?t=email',
type:'GET',
data:$('form').serialize(),
success:function(msg,status,xhr){
// console.log(msg)
$('#email').empty();
$('#email').append($(msg));
}
})
})
$(':input').eq(1).blur(function(){
$.ajax({
url:'login_php/check.php?t=password',
type:'GET',
data:$('form').serialize(),
success:function(msg,status,xhr){
// console.log(msg)
$('#password').empty();
$('#password').append($(msg));
}
})
})
})
</script>
<style type="text/css">
.box{
margin:auto;
width: 60%;
border: 1px solid #9B9B9B;
}
</style>
</head>
<body>
<div class="box">
<form class="form-horizontal">
<div class="form-group">
<label for="inputEmail3" class="col-sm-2 control-label">Email</label>
<div class="col-sm-5">
<input type="email" class="form-control" id="inputEmail3" placeholder="Email" name="email">
</div>
<div class="col-sm-5">
<span id='email'></span>
</div>
</div>
<div class="form-group">
<label for="inputPassword3" class="col-sm-2 control-label">Password</label>
<div class="col-sm-5">
<input type="password" class="form-control" id="inputPassword3" placeholder="Password" name="password">
</div>
<div class="col-sm-5">
<span id='password'></span>
</div>
</div>
<div class="form-group">
<div class="col-sm-offset-2 col-sm-10">
<button type="submit" class="btn btn-default">Sign in</button>
</div>
</div>
</form>
</div>
</body>
</html>运行实例 »
点击 "运行实例" 按钮查看在线实例
2.服务器端 check.php
实例
<?php
$email = $_GET['email'];
$password = $_GET['password'];
$type = $_GET['t'];
if(strcmp(trim($type),"email")==0){
if (strlen(trim($email))==0) {
echo '<span style="color:red">Email不能为空</span>';
}else if(strcmp(trim($email),"88")==0){
echo '<span style="color:red">Email地址已存在</span>';
}else{
echo '<span style="color:green">Email正确可以注册</span>';
}
}
if(strcmp(trim($type),"password")==0){
if (strlen(trim($password))==0) {
echo '<span style="color:red">密码不能为空</span>';
}else{
echo '<span style="color:green">密码级别5颗星</span>';
}
}运行实例 »
点击 "运行实例" 按钮查看在线实例
3.手抄作业
