jquery validate使用和扩展规则

index.html

Firstname



E-Mail



E-Mail(自定义规则 isEmail)



Password



确认密码

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xxxx
$.validator.setDefaults({
	errorElement : "label"
});

效果