个人感觉可用，请高手指正！
<?php session_start() ; //如果直接打开用户后台首页就判断阶段变量是否为空，如果为空就来到注册页面，如果不为空就进入首页 $sjh=$ _SESSION[ 'MM_UserNmae1']; if ($sjh !==n ull) { echo "<script>top.location='index.php';</script>"; exit; }?>
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>用户登录</title>
<link href="../css/tou.css" rel="stylesheet" type="text/css">
<link href="../css/dibu.css" rel="stylesheet" type="text/css"></head>
<body style="background-image:url(../ditu.png);background-attachment:fixed;background-color:#000;">
<?php require_once( '../header.php'); ?>
<table width="444" height="272" border="1" align="center" cellpadding="0" cellspacing="0" style="font-size: 20px; color: #F5F5F5;">
<tbody>
<tr>
<td colspan="4" align="center" style="color: #EDEC0D">
<strong>用 户 登 录</strong></td>
</tr>
<tr>
<td width="100" align="center">
<label for="sjh">手机：</label></td>
<td colspan="2" align="center">
<input name="sjh" id="sjh" type="text" style="font-size: 18px;" size="16" maxlength="11" autofocus="" oninput="value=value.replace(/[^\d]/g,'')" placeholder="11位数手机号"></td>
<td width="132">
<p id="s1" style="font-size: 14px;">请输入手机号</p></td>
</tr>
<tr>
<td align="center">
<label for="mima">密码：</label></td>
<td colspan="2" align="center">
<input name="mima" id="mima" type="text" style="font-size: 18px;" size="16" maxlength="8" onkeyup="this.value=this.value.replace(/[^\w_]/g,'');" placeholder="密码六到八位数"></td>
<td>
<p id="s2" style="font-size: 14px;">请输入密码</p></td>
</tr>
<tr>
<td align="center">
<label for="yzm">验证码：</label></td>
<td width="102" align="center">
<input name="yzm" id="yzm" type="text" style="font-size: 18px;" size="6" maxlength="4" onkeyup="this.value=this.value.replace(/[^\w_]/g,'');"></td>
<td width="119" align="center">
<img src="yzm.php" alt="" width="100" height="30" onClick="this.src=this.src+'?'+Math.random()" /></td>
<td>
<p id="s5" style="font-size: 14px;">请输入验证码</p></td>
</tr>
<tr>
<td colspan="4">
<input style="font-size: 20px; margin-left: 170px" name="submit" type="submit" value="点击登录" id="submit">
<span id="s6" style=" font-size: 14px;"></span>
</td>
</tr>
</tbody>
</table>
<?php require_once( '../footer.php'); ?></body>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript">//失去焦点开始判断-手机号不足11位自动弹出警告且重新获取焦点 $("#sjh").blur(function(){ var p = $('#sjh').val(); if(p.length<11){ $("#s1").text("手机号不合法").css('color', 'red'); //setTimeout("$('#sjh').focus()",1); $('#sjh').focus() //不对头就移开当前焦点 }else{$("#s1").text("符合要求").css('color', 'green');} }); //失去焦点开始判断-密码不足6位自动弹出警告且重新获取焦点 $("#mima").blur(function(){ var p = $('#mima').val(); if(p.length<6){ $("#s2").text("密码不能够少于6位").css('color', 'red'); $('#mima').focus() }else{$("#s2").text("符合要求").css('color', 'green');} }); //失去焦点开始判断-确认验证码不足4位弹出提示框 $("#yzm").blur(function(){ var q = $('#yzm').val(); if(q.length<4){ $("#s5").text("验证码需4位数").css('color', 'red'); $('#yzm').focus(); }else{$("#s5").text("符合要求").css('color', 'green');} });
</script>
<script type="text/javascript">$(document).ready(function() {
$("#submit").click(function() {
var a = $('#s1').text();
var b = $('#s2').text();
var e = $('#s5').text();
if (a == '符合要求' && b == '符合要求' && e == '符合要求') { //alert('符合要求'); $.post("reg11.php",{ sjh:$('#sjh').val(), mima:$('#mima').val(), yzm:$('#yzm').val(), }, function(data){ $("#s6").text(data).css('color', 'red'); if($.trim(data) =='登录成功'){ $(window).attr('location','index.php'); //成功就页面转向 //alert("信息跳转: " + data ); }else{ //alert("信息1: " + data ); return false} }); }else{alert('请填写信息再点击登录！');} });});
</script>
</html>
