JQuery读书笔记-JSON Validation的几种模式

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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