jQuery validate验证插件使用详解_jquery
Validate验证插件，内置丰富的验证规则，还有灵活的自定义规则接口，HTML、CSS与JS之间的低耦合能让您自由布局和丰富样式，支持input,select,textarea的验证。
Description
浏览器支持：IE7+ 、Chrome、Firefox、Safari、Mobile Browser
jQuery版本：1.7.0+
Usage
载入jQuery、validate
DOM标签验证规则填写
<div class="form_control"> <input class="required" value="315359131@qq.com" type="text" name="email" data-tip="请输入您的邮箱" data-valid="isNonEmpty||isEmail" data-error="email不能为空||邮箱格式不正确"> </div> <div class="form_control"> <select class="required" data-valid="isNonEmpty" data-error="省份必填"> <option value="">请选择省份</option> <option value="001">001</option> <option value="002">002</option> </select> </div>
给需要验证的表单元素的class填入required（不建议在这个class上做其他样式）。
建议input用独立div包裹，因为验证的message是从当前input的父元素上append生成。
data-tip：在尚未验证而获取焦点时出现的提示。
data-valid：验证规则，若有组合验证，以||符号分割。
data-error：验证错误提示，对应data-valid，以||符号分割。
单选/复选比较特殊，需要添加元素包裹单选/复选集合，并在包裹元素上加验证规则。
<div class="form_control"> <span class="required" data-valid="isChecked" data-error="性别必选" data-type="radio"> <label><input type="radio" name="sex">男</label> <label><input type="radio" name="sex">女</label> <label><input type="radio" name="sex">未知</label> </span> </div> <div class="form_control"> <span class="required" data-valid="isChecked" data-error="标签至少选择一项" data-type="checkbox"> <label><input type="checkbox" name="label">红</label> <label><input type="checkbox" name="label">绿</label> <label><input type="checkbox" name="label">蓝</label> </span> </div>
JS调用
//**注意：必须以表单元素调用validate**
$('form').validate({
type:{
isChecked: function(value, errorMsg, el) {
var i = 0;
var $collection = $(el).find('input:checked');
if (!$collection.length) {
return errorMsg;
}
}
},
onFocus: function() {
this.parent().addClass('active');
return false;
},
onBlur: function() {
var $parent = this.parent();
var _status = parseInt(this.attr('data-status'));
$parent.removeClass('active');
if (!_status) {
$parent.addClass('error');
}
return false;
}
});
表单提交前的验证
$('form').on('submit', function(event) {
event.preventDefault();
$(this).validate('submitValidate'); //return true or false;
});
validate内置验证规则
required:true 必输字段
remote:"check.php" 使用ajax方法调用check.php验证输入值
email:true 必须输入正确格式的电子邮件
url:true 必须输入正确格式的网址
date:true 必须输入正确格式的日期
dateISO:true 必须输入正确格式的日期(ISO)，例如：2009-06-23，1998/01/22 只验证格式，不验证有效性
number:true 必须输入合法的数字(负数，小数)
digits:true 必须输入整数
creditcard: 必须输入合法的信用卡号
equalTo:"#field" 输入值必须和#field相同
accept: 输入拥有合法后缀名的字符串（上传文件的后缀）
maxlength:5 输入长度最多是5的字符串(汉字算一个字符)
minlength:10 输入长度最小是10的字符串(汉字算一个字符)
rangelength:[5,10] 输入长度必须介于 5 和 10 之间的字符串")(汉字算一个字符)
range:[5,10] 输入值必须介于 5 和 10 之间
max:5 输入值不能大于5
min:10 输入值不能小于10
例子：
验证用户名，密码，确认密码，主页，生日，邮箱等
首先引入Jquery、引入jquery.validate.js、引入messages_cn.js并且为表单定义一个id，为需要验证的控件定义name属性，并赋值，此插件使用的是控件的name属性，而非id。
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="jquery邮箱验证.aspx.cs" Inherits="练习.jquery邮箱验证" %>
<!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 runat="server">
<title></title>
<style type="text/css">
#aa{ color:Red;}
</style>
<script src="Jquery1.7.js" type="text/javascript"></script>
<script src="jquery.validate.js" type="text/javascript"></script>
<script src="messages_cn.js" type="text/javascript"></script>
<script type="text/javascript">
$(function () {
$('#form1').validate({
rules: {
username: { required: true, minlength: 6, maxlength: 12 },
password: { required: true, minlength: 6 },
passwordok:{required: true, equalTo: "#password"},
index: { required: true, url: true },
birthday: { required: true, dateISO: true },
bloodpress:{required: true,digits:true},
email: { required: true, email: true }
},
errorshow: function (error, element) {
error.appendTo(element.siblings('span'));
}
})
})
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<table>
<tr><td>用户名：</td><td>
<input name="username" type="text" /><span id="aa">*</span></td></tr>
<tr><td>密码：</td><td>
<input id="password" name="password" type="text" /><span id="aa">*</span></td></tr>
<tr><td>确认密码：</td><td>
<input id="repassword" name="passwordok" type="text" /><span id="aa">*</span></td></tr>
<tr><td>主页：</td><td>
<input name="index" type="text" /><span id="aa">*</span></td></tr>
<tr><td>生日：</td><td>
<input name="birthday" type="text" /><span id="aa">*</span></td></tr>
<tr><td>血压：</td><td>
<input name="bloodpress" type="text" /><span id="aa">*</span></td></tr>
<tr><td>邮箱：</td><td><input name="email" type="text" /><span id="aa">*</span></td></tr>
<tr><td></td><td>
<input id="Button1" type="button" value="button" /></td></tr>
</table>
</div>
</form>
</body>
</html>
实现如下效果：
以上就是本文的全部内容，希望对大家的学习有所帮助。
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