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jQuery Validate 插件为表单提供了强大的验证功能，让客户端表单验证变得更简单，同时提供了大量的定制选项，满足应用程序各种需求。今天在这里就不做介绍了，直接放上扩展js。

/*****************************************************************
                  jQuery Validate扩展验证方法      
*****************************************************************/
$(function () {
    // 判断整数value是否等于0 
    jQuery.validator.addMethod("isIntEqZero", function (value, element) {
        value = parseInt(value);
        return this.optional(element) || value == 0;
    }, "请输入0");

    // 判断整数value是否大于0
    jQuery.validator.addMethod("isIntGtZero", function (value, element) {
        value = parseInt(value);
        return this.optional(element) || value > 0;
    }, "请输入大于0的整数");

    // 判断整数value是否大于或等于0
    jQuery.validator.addMethod("isIntGteZero", function (value, element) {
        value = parseInt(value);
        return this.optional(element) || value >= 0;
    }, "请输入大于等于0的整数");

    // 判断整数value是否不等于0 
    jQuery.validator.addMethod("isIntNEqZero", function (value, element) {
        value = parseInt(value);
        return this.optional(element) || value != 0;
    }, "请输入不等于0的整数");

    // 判断整数value是否小于0 
    jQuery.validator.addMethod("isIntLtZero", function (value, element) {
        value = parseInt(value);
        return this.optional(element) || value < 0;
    }, "请输入小于0的整数");

    // 判断整数value是否小于或等于0 
    jQuery.validator.addMethod("isIntLteZero", function (value, element) {
        value = parseInt(value);
        return this.optional(element) || value <= 0;
    }, "请输入小于或等于0的整数");

    // 判断浮点数value是否等于0 
    jQuery.validator.addMethod("isFloatEqZero", function (value, element) {
        value = parseFloat(value);
        return this.optional(element) || value == 0;
    }, "请输入0");

    // 判断浮点数value是否大于0
    jQuery.validator.addMethod("isFloatGtZero", function (value, element) {
        value = parseFloat(value);
        return this.optional(element) || value > 0;
    }, "请输入大于0的数字");

    // 判断浮点数value是否大于或等于0
    jQuery.validator.addMethod("isFloatGteZero", function (value, element) {
        value = parseFloat(value);
        return this.optional(element) || value >= 0;
    }, "请输入大于等于0的数字");

    // 判断浮点数value是否不等于0 
    jQuery.validator.addMethod("isFloatNEqZero", function (value, element) {
        value = parseFloat(value);
        return this.optional(element) || value != 0;
    }, "请输入不等于0的数字");

    // 判断浮点数value是否小于0 
    jQuery.validator.addMethod("isFloatLtZero", function (value, element) {
        value = parseFloat(value);
        return this.optional(element) || value < 0;
    }, "请输入小于0的数字");

    // 判断浮点数value是否小于或等于0 
    jQuery.validator.addMethod("isFloatLteZero", function (value, element) {
        value = parseFloat(value);
        return this.optional(element) || value <= 0;
    }, "请输入小于等于0的数字");

    // 判断浮点型  
    jQuery.validator.addMethod("isFloat", function (value, element) {
        return this.optional(element) || /^[-\+]?\d+(\.\d+)?$/.test(value);
    }, "请输入数字");

    // 匹配integer
    jQuery.validator.addMethod("isInteger", function (value, element) {
        return this.optional(element) || (/^[-\+]?\d+$/.test(value) && parseInt(value) >= 0);
    }, "请输入正整数");

    // 判断数值类型，包括整数和浮点数
    jQuery.validator.addMethod("isNumber", function (value, element) {
        return this.optional(element) || /^[-\+]?\d+$/.test(value) || /^[-\+]?\d+(\.\d+)?$/.test(value);
    }, "请输入数值类型，包括整数和浮点数");

    // 只能输入[0-9]数字
    jQuery.validator.addMethod("isDigits", function (value, element) {
        return this.optional(element) || /^\d+$/.test(value);
    }, "请输入0-9之间的数字");

    // 判断中文字符 
    jQuery.validator.addMethod("isChinese", function (value, element) {
        return this.optional(element) || /^[\u0391-\uFFE5]+$/.test(value);
    }, "请输入中文字符。");

    // 判断英文字符 
    jQuery.validator.addMethod("isEnglish", function (value, element) {
        return this.optional(element) || /^[A-Za-z]+$/.test(value);
    }, "请输入英文字符。");

    // 手机号码验证    
    jQuery.validator.addMethod("isMobile", function (value, element) {
        var length = value.length;
        return this.optional(element) || (length == 11 && /^(((13[0-9]{1})|(15[0-9]{1})|(18[0-9]{1}))+\d{8})$/.test(value));
    }, "请正确填写手机号码。");

    // 电话号码验证    
    jQuery.validator.addMethod("isPhone", function (value, element) {
        var tel = /^(\d{3,4}-?)?\d{7,9}$/g;
        return this.optional(element) || (tel.test(value));
    }, "请正确填写电话号码。");

    // 联系电话(手机/电话皆可)验证   
    jQuery.validator.addMethod("isTel", function (value, element) {
        var length = value.length;
        var mobile = /^(((13[0-9]{1})|(15[0-9]{1})|(18[0-9]{1}))+\d{8})$/;
        var tel = /^(\d{3,4}-?)?\d{7,9}$/g;
        return this.optional(element) || tel.test(value) || (length == 11 && mobile.test(value));
    }, "请正确填写联系电话");

    // 匹配qq      
    jQuery.validator.addMethod("isQq", function (value, element) {
        return this.optional(element) || /^[1-9]\d{4,12}$/;
    }, "请正确填写QQ");

    // 邮政编码验证    
    jQuery.validator.addMethod("isZipCode", function (value, element) {
        var zip = /^[0-9]{6}$/;
        return this.optional(element) || (zip.test(value));
    }, "请正确填写邮政编码。");

    // 匹配密码，以字母开头，长度在6-12之间，只能包含字符、数字和下划线。      
    jQuery.validator.addMethod("isPwd", function (value, element) {
        return this.optional(element) || /^[a-zA-Z]\\w{6,12}$/.test(value);
    }, "请输入以字母开头，长度在6-12之间的字符，只能包含字符、数字和下划线。");

    // 身份证号码验证
    jQuery.validator.addMethod("isIdCardNo", function (value, element) {
        //var idCard = /^(\d{6})()?(\d{4})(\d{2})(\d{2})(\d{3})(\w)$/;   
        return this.optional(element) || isIdCardNo(value);
    }, "请正确填写身份证号码。");

    // IP地址验证   
    jQuery.validator.addMethod("ip", function (value, element) {
        return this.optional(element) || /^(([1-9]|([1-9]\d)|(1\d\d)|(2([0-4]\d|5[0-5])))\.)(([1-9]|([1-9]\d)|(1\d\d)|(2([0-4]\d|5[0-5])))\.){2}([1-9]|([1-9]\d)|(1\d\d)|(2([0-4]\d|5[0-5])))$/.test(value);
    }, "请正确填写IP地址。");
    //MAC验证
    jQuery.validator.addMethod("isMac", function (value, element) {
        return this.optional(element) || /[A-F\d]{2}:[A-F\d]{2}:[A-F\d]{2}:[A-F\d]{2}:[A-F\d]{2}:[A-F\d]{2}/.test(value);
    }, "请正确填写MAC地址");
    // 字符验证，只能包含中文、英文、数字、下划线等字符。    
    jQuery.validator.addMethod("stringCheck", function (value, element) {
        return this.optional(element) || /^[a-zA-Z0-9\u4e00-\u9fa5-_]+$/.test(value);
    }, "请输入中文、英文、数字、下划线等字符");
    // 匹配english  
    jQuery.validator.addMethod("isEnglish", function (value, element) {
        return this.optional(element) || /^[A-Za-z]+$/.test(value);
    }, "请输入合法的英文字符");

    // 匹配汉字  
    jQuery.validator.addMethod("isChinese", function (value, element) {
        return this.optional(element) || /^[\u4e00-\u9fa5]+$/.test(value);
    }, "请输入合法的汉字");

    // 匹配中文(包括汉字和字符) 
    jQuery.validator.addMethod("isChineseChar", function (value, element) {
        return this.optional(element) || /^[\u0391-\uFFE5]+$/.test(value);
    }, "请输入匹配中文(包括汉字和字符) ");

    // 请输入英文或数字
    jQuery.validator.addMethod("isRightfulString", function (value, element) {
        return this.optional(element) || /^[A-Za-z0-9]+$/.test(value);
    }, "请输入英文或数字");

    // 判断是否包含中英文特殊字符，除英文"-_"字符外
    jQuery.validator.addMethod("isContainsSpecialChar", function (value, element) {
        var reg = RegExp(/[(\ )(\`)(\~)(\!)(\@)(\#)(\$)(\%)(\^)(\&)(\*)(\()(\))(\+)(\=)(\|)(\{)(\})(\')(\:)(\;)(\')(',)(\[)(\])(\.)(\<)(\>)(\/)(\?)(\~)(\！)(\@)(\#)(\￥)(\%)(\…)(\&)(\*)(\（)(\）)(\—)(\+)(\|)(\{)(\})(\【)(\】)(\‘)(\；)(\：)(\”)(\“)(\’)(\。)(\，)(\、)(\？)]+/);
        return this.optional(element) || !reg.test(value);
    }, "含有中英文特殊字符");

    //验证车牌号码
    jQuery.validator.addMethod("isCarNumber", function (value, element) {
        return this.optional(element) || /^[\u4e00-\u9fa5]{1}[A-Z]{1}[A-Z_0-9]{5}$/.test(value);
    }, "请输入正确的车牌号码");

    jQuery.validator.addMethod("isID", function (value, element) {
        return this.optional(element) || isIdCardNo(value);
    }, "请输入正确的身份证号码");
});

//身份证号码的验证规则
function isIdCardNo(num) {
    var len = num.length, re;
    if (len == 15)
        re = new RegExp(/^(\d{6})()?(\d{2})(\d{2})(\d{2})(\d{2})(\w)$/);
    else if (len == 18)
        re = new RegExp(/^(\d{6})()?(\d{4})(\d{2})(\d{2})(\d{3})(\w)$/);
    else {
        return false;
    }
    var a = num.match(re);
    if (a != null) {
        if (len == 15) {
            var D = new Date("19" + a[3] + "/" + a[4] + "/" + a[5]);
            var B = D.getYear() == a[3] && (D.getMonth() + 1) == a[4] && D.getDate() == a[5];
        }
        else {
            var D = new Date(a[3] + "/" + a[4] + "/" + a[5]);
            var B = D.getFullYear() == a[3] && (D.getMonth() + 1) == a[4] && D.getDate() == a[5];
        }
        if (!B) {
            return false;
        }
    }
    if (!re.test(num)) {
        return false;
    }
    return true;
}