标签：
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gbk">
<meta http-equiv="Cache-Control" content="no-transform" />
<script type="text/javascript" src="http://wjy88.cofool.com/Public/Home/js/jquery.min.js"></script>
<script type="text/javascript" src="http://wjy88.cofool.com/Public/Home/js/extend.js"></script>
<script type="text/javascript" src="http://wjy88.cofool.com/Public/Home/js/micro.js"></script>
<script type="text/javascript" src="http://wjy88.cofool.com/Public/Home/js/layer/layer.min.js"></script>
<link rel="stylesheet" type="text/css" href="http://wjy88.cofool.com/Public/Home/css/laylout.css" />
<link rel="stylesheet" type="text/css" href="http://wjy88.cofool.com/Public/Home/css/micro.css" />
<script type="text/javascript">
$(function(){
$("#username").blur(checkNickName);
});
function checkNickName(){
var uo = $("#username"),nickname=uo.val(),tip=$(‘#reg-a-tips‘);
if($.clear(nickname).length==0 || nickname==‘用户名‘){
tip.removeClass(‘ok‘).addClass(‘err‘).htm(‘<em class="icon"></em>请输入用户名‘);
uo.addClass(‘error‘);
return false;
}
$.post("/test/checkAuthtoken.html",{ntoken:nickname},function(data){
if(data == ‘true‘){
tip.removeClass(‘err‘).addClass(‘ok‘).htm(‘<em class="icon"></em>‘);
uo.removeClass(‘error‘);
return true;
}else{
tip.removeClass(‘ok‘).addClass(‘err‘).htm(‘<em class="icon"></em>用户名已经存在‘);
uo.addClass(‘error‘);
return false;
}
});
}
</script>
</head>
<body>
<div class="page-wrap">
<div id="container" style="padding-bottom:70px;">
<div class="sbox">
<div class="con-wrap">
<h3 class="title">免费注册</h3>
<div class="bar-wrap">
<div class="bar1"></div>
</div>
<div class="con-sub">
<form id="regForm" method="post" action="/Home/Passport/register.html">
<div class="con-sub-item">
<input id="username" name="info[username]" type="text" class="ui-input" style="color:#676767;" value="用户名">
<div class="icon head"></div>
<span id="reg-a-tips" class="tip">4-16位字母、数字、下划线或中文</span>
</div>
<div class="con-sub-item">
<input id="email" name="info[email]" type="text" class="ui-input" style="color:#676767;" value="邮箱">
<div class="icon head"></div>
<span id="reg-e-tips" class="tip">邮箱地址</span>
</div>
</form>
</div>
</div>
</div>
</div>
</div>
</body>
</html>
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原文地址：http://www.cnblogs.com/houdong/p/4290900.html
