jquery validate使用和扩展规则

index.html

<!--导入必须项--><script src="jquery.js" type="text/javascript"></script><script src="jquery.validate.js" type="text/javascript"></script><!--{required:true,minlength:5,equalTo:'#password'} 在class里面如果需要使用{}必须加metadata.js--><script src="jquery.metadata.js" type="text/javascript"></script><!--自定义扩展--><script src="jquery.validate.ext.js" type="text/javascript"></script><style type="text/css">label.error {padding-left: 2px;padding-bottom: 2px;font-weight: bold;color: red;font-size:13px;}</style><form id="signupForm" method="get" action=""><p><label for="firstname">Firstname</label><input id="firstname" name="firstname" class="required maxrang {haveBlank:true}" /></p><p><label for="email">E-Mail</label><input id="email" name="email" class="required email" /></p><p><label for="email">E-Mail(自定义规则 isEmail)</label><input id="email" name="email" class="required isEmail" /></p><p><label for="password">Password</label><input id="password" name="password" type="password" class="{required:true,minlength:5}" /></p><p><label for="confirm_password">确认密码</label><!--{required:true,minlength:5,equalTo:'#password'} 需要引入 metadata.js--><input id="confirm_password" name="confirm_password" type="password" class="{required:true,minlength:5,equalTo:'#password'}" /></p><p><input class="submit" type="submit" value="Submit"/></p></form><script type="text/javascript">//三种方式//1）验证通过，直接提交$("#signupForm").validate();//2）ajax方式提交$("#signupForm").validate({//表单提交事件submitHandler:function(form){var requestStr = $("#signupForm").serialize();//自动拼接表单文本项$.ajax({type:post,url:xxxx,data:requestStr,success:function(data){}})} });//3）在页面单独写验证规则，提示信息等$("#signupForm").validate({//这里验证规则rules : {firstname : {required : true,maxlength : 20,filterDBcom :true},password : {required : true,maxlength : 4}},//这里定义提示信息messages : {firstname : {required : "必填项",maxlength : "长度不能超过20"},password : {required : "必填项",maxlength : "长度不能超过4"}},//正在输入项验证成功焦点离开输入框后触发success : function(error) {alert("success")  },//表单提交事件submitHandler:function(form){//form.submit(); 提交表单}    });</script>

jquery.validate.ext.js

//重新书写提示jQuery.extend(jQuery.validator.messages, {        required: "必选字段",  remote: "请修正该字段",  email: "请输入正确格式的电子邮件",  url: "请输入合法的网址",  date: "请输入合法的日期",  dateISO: "请输入合法的日期 (ISO).",  number: "请输入合法的数字",  digits: "只能输入整数",  creditcard: "请输入合法的信用卡号",  equalTo: "请再次输入相同的值",  accept: "请输入拥有合法后缀名的字符串",  maxlength: jQuery.validator.format("请输入一个 长度最多是 {0} 的字符串"),  minlength: jQuery.validator.format("请输入一个 长度最少是 {0} 的字符串"),  rangelength: jQuery.validator.format("请输入 一个长度介于 {0} 和 {1} 之间的字符串"),  range: jQuery.validator.format("请输入一个介于 {0} 和 {1} 之间的值"),  max: jQuery.validator.format("请输入一个最大为{0} 的值"),  min: jQuery.validator.format("请输入一个最小为{0} 的值")});//自定义扩展jQuery.validator.addMethod("isMobile", function(value, element) {var length = value.length;var mobile = /^(((13[0-9]{1})|(15[0-9]{1})|(18[0-9]{1}))+\d{8})$/;return this.optional(element) || (length == 11 && mobile.test(value));}, "手机格式不正确");jQuery.validator.addMethod("isEmail", function(value,element){var email=/^(\w)+(\.\w+)*@(\w)+((\.\w+)+)$/;return this.optional(element)||email.test(true);},"邮箱格式不正确");jQuery.validator.addMethod("filterDBcom", function(value, element) {var command = /select|update|delete|insert|declare|dbcc|alter|drop|creat|backup|add|set|open|close|exec|count|’|"|=|;|>|<|%/i;return this.optional(element) || !(command.test(value));}, "不能包含sql特殊字符");jQuery.validator.addMethod("filterHTML", function(value, element) {var chrnum = /<[^>]+>/;return this.optional(element) || !(chrnum.test(value));}, "不用包含html字符");jQuery.validator.addMethod("isIp", function(value, element) {var chrnum = /^(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])$/;return this.optional(element) || chrnum.test(value);}, "ip格式不正确");jQuery.validator.addMethod("haveBlank", function(value, element) {var is = value.indexOf(" ") >= 0?false:true;return this.optional(element) || is;}, "不能包含空格");//错误提示信息创建什么标签<label>xxxx</label>$.validator.setDefaults({errorElement : "label"});

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