jQuery validation 应用实例

来源：互联网发布：网络免费学英语编辑：程序博客网时间：2024/06/05 19:39

【1】验证页面 index.jsp

<%@ page language="java" import="java.util.*" pageEncoding="gb2312"%>

<html>
<head>
<title>jquery验证框架</title>
<script type="text/javascript" src=js/jquery-1.4.2.min.js></script>
<script type="text/javascript" src=js/jquery.validate.js></script>
<script type="text/javascript" src=js/jquery.form.js></script>
<script type="text/javascript" src=js/valid.js></script>
<style type="text/css">
label { width: 10em; float: left; }
label.haha {color: red; padding-left: 18px; vertical-align: top;width: 196px; background: url("images/unchecked.gif") no-repeat;}
input.haha { border: 1px solid red; }
label.valid {background: url("images/checked.gif") no-repeat; color: #065FB9;}
input.focus { border: 2px solid green; }
ul li{ display: block;}
</style>
</head>

<body>

<div id="form_con">
<form class="cmxform" id="myform" method="post" action="">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr>
<td>用户名</td>
<td><input type="text" name="username" class="required" /></td>
<td></td>
</tr>
<tr>
<td>密码</td>
<td><input id="password" type="password" name="firstpwd" /></td>
<td></td>
</tr>
<tr>
<td>验证密码</td>
<td><input type="password" name="secondpwd" /></td>
<td></td>
</tr>
<tr>
<td>性别</td>
<td><input id="sex" type="radio" name="sex" />男<input type="radio" name="sex" />女</td>
<td></td>
</tr>
<tr>
<td>年龄</td>
<td><input type="text" name="age" /></td>
<td></td>
</tr>
<tr>
<td>邮箱</td>
<td><input type="text" name="email" /></td>
<td></td>
</tr>
<tr>
<td>个人网页</td>
<td><input type="text" name="purl" /></td>
<td></td>
</tr>
<tr>
<td>电话</td>
<td><input type="text" name="telephone" /></td>
<td></td>
</tr>
<tr>
<td>附件</td>
<td><input type="file" name="afile"/></td>
<td></td>
</tr>
<tr><td colspan="3" ><input type="submit" name="submit" value="提交" /><button>重置</button></td></tr>
</tbody>
</table>
</form>
</div>
</body>

</html>

【2】验证valid.js

$(function(){
var validator = $("#myform").validate({
debug: true, //调试模式取消submit的默认提交功能
errorClass: "haha",//默认为错误的样式类为：error
focusInvalid: false,
onkeyup: false,
submitHandler: function(form){ //表单提交句柄,为一回调函数，带一个参数：form
alert("提交表单");
form.submit(); // 提交表单
},
rules: { //定义验证规则,其中属性名为表单的name属性
username: {
required: true,
minlength: 2 ,
remote: "myjsp.jsp" //传说当中的ajax验证
},
firstpwd: {
required: true,
//minlength: 6
rangelength: [6,8]
},
secondpwd: {
required: true,
equalTo: "#password"
},
sex: {
required: true
},
age: {
required: true,
range: [0,120]
},
email: {
required: true,
email: true
},
purl: {
required: true,
url: true
},
afile: {
required: true,
accept: "xls,doc,rar,zip"
}
},
messages: { //自定义验证消息
username: {
required: "用户名是必需的！",
minlength: $.format("用户名至少要{0}个字符！"),
remote: $.format("{0}已经被占用")
},
firstpwd: {
required: "密码是必需的！",
rangelength: $.format("密码要在{0}-{1}个字符之间！")
},
secondpwd: {
required: "密码验证是必需的！",
equalTo: "密码验证需要与密码一致"
},
sex: {
required: "性别是必需的"
},
age: {
required: "年龄是必需的",
range: "年龄必须介于{0}-{1}之间"
},
email: {
required: "邮箱是必需的！",
email: "请输入正确的邮箱地址（例如 myemail@163.com）"
},
purl: {
required: "个人主页是必需的",
url: "请输入正确的url格式,如 http://www.domainname.com"
},
afile: {
required: "附件是必需的！",
accept: "只接收xls,doc,rar,zip文件"
}
},
errorPlacement: function(error, element) { //验证消息放置的地方
error.appendTo( element.parent("td").next("td") );
},
highlight: function(element, errorClass) { //针对验证的表单设置高亮
$(element).addClass(errorClass);
},
success: function(label) {
label.addClass("valid").text("Ok!")
}

/*,
errorContainer: "#error_con", //验证消息集中放置的容器
errorLabelContainer: "#error_con ul", //存放消息无序列表的容器
wrapper: "li", //将验证消息用无序列表包围
validClass: "valid", //通过验证的样式类
errorElement: "em", //验证标签的名称，默认为：label
success: "valid" //验证通过的样式类
*/
});
$("button").click(function(){
validator.resetForm();
});
//alert($("#password").rules()["required"]);
//validator.showErrors({"username": "用户名是必需的"});
/*$("button").click(function () {
var str = "Hello {0}, this is {1}";
alert("'" + str + "'");
str = $.validator.format(str, ["koala","oo"]);
alert("'" + str + "'");
});*/

});