//jquery validate扩展var reg_cn = /^[\u0391-\uFFE5]+$/;var reg_user = /^\w+$/;var reg_phone = /^\d{3,4}-?\d{7,8}$/;var reg_email = /^[\w-]+(\.[\w-]+)*@[\w-]+(\.[\w-]+)+$/;var reg_url = /^(http:\/\/)?[A-Za-z0-9]+\.[A-Za-z0-9]+[\/=\?%\-&_~`@[\]\':+!]*([^<>\"\"])*$/;var letter_number = /^[A-Za-z0-9]+$/;var reg_time = /^\d{2}\:\d{2}$/;if($.validator){	$.validator.addMethod("userName", function (value, element, param) {		if(reg_cn.test(value)){			if(value.length < 2 || value.length > 10){				return false;			}else{				return true;			}		}else if(reg_user.test(value)){			if(value.length < 4 || value.length > 20){				return false;			}else{				return true;			}		}else{			return false;		}	},"4-20位字符
     <字母，数字，下划线>
      ，或者2-10个中文！");	$.validator.addMethod("realName", function (value, element, param) {		if(reg_cn.test(value)){			if(value.length < 1 || value.length > 10){				return false;			}else{				return true;			}		}else if(reg_user.test(value)){			if(value.length < 2 || value.length > 20){				return false;			}else{				return true;			}		}else{			return false;		}	},"2-20位字符
      <字母，数字，下划线>
       ，或者1-10个中文！");			$.validator.addMethod("postcode", function(value, element) {		var tel = /^[0-9]{6}$/;		return this.optional(element) || (tel.test(value));	}, "请输入正确的邮政编码！");		$.validator.addMethod("phone", function(value, element) {       		var tel = /^\d{7,8}$/;    //电话号码格式010-12345678   		return this.optional(element) || (tel.test(value));       	}, "请正确填写您的电话号码");		$.validator.addMethod("email", function(value, element) {		return reg_email.test(value);	}, "邮箱格式不正确！");		$.validator.addMethod("mobile", function(value, element) {                return this.optional && this.optional(element) || /^1\d{10}$/.test(value);	}, "手机号码格式不正确！");		$.validator.addMethod("url", function(value, element) {		return reg_url.test(value);	}, "网站格式不正确！");		$.validator.addMethod("cnName", function(value, element) {		return reg_cn.test(value) && value.length > 1;	}, "中文名格式不正确！");		$.validator.addMethod("englishName", function(value, element) {		return /^\w+[\w\s]+\w+$/.test(value) && value.length >= 4 && value.length <= 20;	}, "英文名格式为4-20位字母！");		$.validator.addMethod("decimal", function(value, element) {		return /^\d+(\.\d{0,2})?$/.test(value) && value > 0;	}, "必须是大于0的数！");		$.validator.addMethod("letter_number", function(value, element) {		return letter_number.test(value);	}, "必须是英文或数字");		$.validator.addMethod("time", function(value, element) {		return reg_time.test(value);	}, "时间格式为10:00");}