Easyui validatebox增加对time、date、datetime的验证，时间格式化

$.extend($.fn.validatebox.defaults.rules, {
    /*10:05:02*/
    time: {
        validator: function (value) {
            var a = value.match(/^(\d{1,2})(:)?(\d{1,2})\2(\d{1,2})$/);
            if (a == null) {
                return false;
            } else if (a[1] > 24 || a[3] > 60 || a[4] > 60) {
                return false;
            }
        },
        message: '时间格式不正确，请重新输入。'
    },
    /*2017-02-01*/
    date: {
        validator: function (value) {
            var r = value.match(/^(\d{1,4})(-|\/)(\d{1,2})\2(\d{1,2})$/);
            if (r == null) {
                return false;
            }
            var d = new Date(r[1], r[3] - 1, r[4]);
            return (d.getFullYear() == r[1] && (d.getMonth() + 1) == r[3] && d.getDate() == r[4]);
        },
        message: '时间格式不正确，请重新输入。'
    },
    /*2014-01-01 13:04:06*/
    datetime: {
        validator: function (value) {
            var r = value.match(/^(\d{1,4})(-|\/)(\d{1,2})\2(\d{1,2}) (\d{1,2}):(\d{1,2}):(\d{1,2})$/);
            if (r == null) return false;
            var d = new Date(r[1], r[3] - 1, r[4], r[5], r[6], r[7]);
            return (d.getFullYear() == r[1] && (d.getMonth() + 1) == r[3] && d.getDate() == r[4] && d.getHours() == r[5] && d.getMinutes() == r[6] && d.getSeconds() == r[7]);
        },
        message: '时间格式不正确，请重新输入。'
    }
});
Date.prototype.format = function (format) {
    /*
    * eg:format="yyyy-MM-dd hh:mm:ss";
    */
    if (!format) {
        format = "yyyy-MM-dd hh:mm:ss";
    }
    var o = {
        "M+": this.getMonth() + 1, // month
        "d+": this.getDate(), // day
        "h+": this.getHours(), // hour
        "m+": this.getMinutes(), // minute
        "s+": this.getSeconds(), // second
        "q+": Math.floor((this.getMonth() + 3) / 3), // quarter
        "S": this.getMilliseconds()
        // millisecond
    };
    if (/(y+)/.test(format)) {
        format = format.replace(RegExp.$1, (this.getFullYear() + "").substr(4 - RegExp.$1.length));
    }
    for (var k in o) {
        if (new RegExp("(" + k + ")").test(format)) {
            format = format.replace(RegExp.$1, RegExp.$1.length == 1 ? o[k] : ("00" + o[k]).substr(("" + o[k]).length));
        }
    }
    return format;
}