(function ($) {
    $.validator.addMethod('dropdownlistrequired', function (value, element, params) {
        return (value != "" && value != "-1");
    });

    $.validator.unobtrusive.adapters.add("dropdownlistrequired", function (options) {
        options.rules["dropdownlistrequired"] = {
        };
        options.messages["dropdownlistrequired"] = options.message;
    });

    $.validator.addMethod('daterequired', function (value, element, params) {
        return (value != "" && value != "0001-01-01");
    });

    $.validator.unobtrusive.adapters.add("daterequired", function (options) {
        options.rules["daterequired"] = {
        };
        options.messages["daterequired"] = options.message;
    });

    $.validator.addMethod('totallength', function (value, element, params) {
        var totalString = value;
        $.each(eval('('+params.otherControls+')'), function (i, v) {
            totalString += $("#" + v).val();
        });
        if (totalString.length == params.length) {
            return true;
        } else {
            $.each(eval('(' + params.otherControls + ')'), function (i, v) {
                totalString += $("#" + v).validate();
            });
        }
    });

    $.validator.unobtrusive.adapters.add("totallength", ["length", "other"], function (options) {
        options.rules["totallength"] = {
            length: options.params.length,
            otherControls: options.params.other
        };
        if (options.message) {
            options.messages['totallength'] = options.message;
        }
    });

    $.extend($.fn.validatebox.defaults.rules, {
        daterequired: {
            validator: function (value, param) {
                return (value != "" && value != "0001-01-01");
            },
            message: 'Please enter at least {0} characters.'
        }
    });

    $.validator.methods.date = function (value, element) {
        // Date.parse函数源自另外一个处理日期的库 
        return this.optional(element) || Date.parse(value) != null;
    };

    jQuery.extend(jQuery.validator.messages, {
        required: "必须填写",
        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")
    });
} (jQuery));