//运用jQuery写的验证表单
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<title></title>
<script src="js/jquery-1.3.1.js"></script>
<script src="js/lib/jquery.validate.js"></script>
<script src="js/lib/jquery.validate.messages_cn.js"></script>
<style>
body {
font: 12px/19px Arial, Helvetica, sans-serif;
color: #666;
} form div {
margin: 5px 0;
} .int label {
float: left;
width: 100px;
text-align: right;
} .int input {
padding: 1px 1px;
border: 1px solid #ccc;
height: 16px;
} .sub {
padding-left: 100px;
} .sub input {
margin-right: 10px;
} .formtips {
width: 200px;
margin: 2px;
padding: 2px;
} .onError {
background: #FFE0E9 url(images/reg3.gif) no-repeat 0 center;
padding-left: 25px;
} .onSuccess {
background: #E9FBEB url(images/reg4.gif) no-repeat 0 center;
padding-left: 25px;
} .high {
color: red;
}
</style>
<script>
$(function () {
$("form :input.required").each(function () {
var $required = $("<strong class='high'>*</strong>");
$(this).parent().append($required);
})
$("form :input").blur(function () {
var $parent = $(this).parent();
$(".formtips").remove();
if ($(this).is("#username")) {
if (this.value == '' || this.value.length < 6) {
var errmsg = '请输入正确的格式.';
$parent.append('<span class="formtips onError">' + errmsg + '</span>')
} else {
var sucssemsg = '格式输入正确';
$parent.append('<span class="formtips onSuccess">' + sucssemsg + '</span>')
}
}
if ($(this).is("#email")) {
//邮箱格式正则表达式的用法
if (this.value == '' || ( this.value != "" && !/.+@.+\.[a-zA-Z]{2,4}$/.test(this.value) )) {
var errmsg = '请输入正确的格式.';
$parent.append('<span class="formtips onError">' + errmsg + '</span>')
} else {
var sucssemsg = '格式输入正确';
$parent.append('<span class="formtips onSuccess">' + sucssemsg + '</span>')
}
}
})
$("#send").click(function () {
var onerr = $(this).parent().siblings().children().hasClass("onError");//出错就会添加class为onerror的元素
if(onerr) {
return false;
} else {
alert("你已经注册成功了");
}
}
)
$("#reset").click(function () {
$(".formtips").remove();
})
})
</script>
</head>
<body> <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>