JQuery读书笔记--JSON Validation的几种方式

jquery-validate插件已经是我最常用的插件之一,真的是好用和方便。
1.包含Jquery和jquery-validate.js文件;
2.在$(document).ready中加入,开启验证
$()
			.ready( function() {
				// validate the comment form when it is submitted
					$("#commentForm").validate();}

3.在字段中描述验证信息,有多种方式
  a).
<input id="cemail" name="email" class="required email" />

class中可以放
required: {required: true} email: {email: true} url: {url: true} date: {date: true} dateISO: {dateISO: true} dateDE: {dateDE: true} number: {number: true} numberDE: {numberDE: true} digits: {digits: true} creditcard: {creditcard: true}
不可以对radio以及checkbox等进行操作
  b).
$("#signupForm")
							.validate(
									{
										rules : {
											firstname :"required",
											lastname :"required",
											username : {
												required :true,
												minlength :2
											},
											password : {
												required :true,
												minlength :5
											},
											confirm_password : {
												required :true,
												minlength :5,
												equalTo :"#password"
											},
											email : {
												required :true,
												email :true
											},
											topic : {
												required :"#newsletter:checked",
												minlength :2
											},
											agree :"required"
										},
										messages : {
											firstname :"<fmt:message key="user.missing"/>",
											lastname :"Please enter your lastname",
											username : {
												required :"Please enter a username",
												minlength :"Your username must consist of at least 2 characters"
											},
											password : {
												required :"Please provide a password",
												minlength :"Your password must be at least 5 characters long"
											},
											confirm_password : {
												required :"Please provide a password",
												minlength :"Your password must be at least 5 characters long",
												equalTo :"Please enter the same password as above"
											},
											email :"Please enter a valid email address",
											agree :"Please accept our policy"
										}
									});


c).在field中进行声明(这种方式更好)
<input  type="radio" id="family_single" value="s" name="family" validate="required:true" />

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