<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
</head>
<body>
<style type="text/css">
body{ color:#666; font:12px/1.5 arial;}
form div{ margin:5px 0;}
.int label{ float:left; width:100px; text-align:right;}
.int input{ height:16px; padding:1px 1px; border:1px solid #ccc;}
.sub{ padding-left:100px;}
.sub input{ margin-right:10px; }
.formtips{ width:200px; margin:2px; padding:2px;}
.onError{ padding-left:25px; background:#ffe0e9 url(reg3.gif) no-repeat 0;}
.onSuccess{ padding-left:25px; background:#e9fbeb url(reg4.gif) no-repeat 0;}
.high{ color:#f00;}
</style>
<script src="jquery-1.5.2.js" type="text/javascript"></script>
<script type="text/javascript">
$(function(){
//如果是必填的，则加红星标识.
$("form :input.required").each(function () {
var $required = $("<strong class='high'> *</strong>"); //创建元素
$(this).parent().append($required); //然后将它追加到文档中
});
//文本框失去焦点后
$('form :input').blur(function () {
var $parent = $(this).parent();
$parent.find(".formtips").remove();
//验证用户名
if ($(this).is('#username')) {
if (this.value=="" || this.value.length < 6) {
var errorMsg = '请输入至少6位的用户名.';
$parent.append('<span class="formtips onError">' + errorMsg + '</span>');
} else {
var okMsg = '输入正确.';
$parent.append('<span class="formtips onSuccess">'+okMsg+'</span>');
}
}
//验证邮件
if ($(this).is('#email')) {
if (this.value == "" || (this.value != "" && !/.+@.+\.[a-zA-Z]{2,4}$/.test(this.value))) {
var errorMsg = '请输入正确的E-Mail地址.';
$parent.append('<span class="formtips onError">'+errorMsg+'</span>');
} else {
var okMsg = '输入正确.';
$parent.append('<span class="formtips onSuccess">' + okMsg + '</span>');
}
}
}).keyup(function () {
$(this).triggerHandler("blur");
}).focus(function () {
$(this).triggerHandler("blur");
});
//提交，最终验证。
$('#send').click(function () {
$("form :input.required").trigger('blur');
var numError = $('form .onError').length;
if (numError) {
return false;
}
alert("注册成功,密码已发到你的邮箱,请查收.");
});
//重置
$('#res').click(function () {
$(".formtips").remove();
});
})
</script>
<form method="post" action="">
<div class="int">
<label for="username">用户名:</label>
<input type="text" id="username" class="required" />
</div>
<div class="int">
<label for="email">邮箱:</label>
<input type="text" id="email" class="required" />
</div>
<div class="int">
<label for="personinfo">个人资料:</label>
<input type="text" id="personinfo" />
</div>
<div class="sub">
<input type="submit" value="提交" id="send" />
<input type="reset" id="res" />
</div>
</form>
</body>
</html>
