//---------------------------------------------------  
// 判断闰年  
//---------------------------------------------------  
Date.prototype.isLeapYear = function()   
{   
    return (0==this.getYear()%4&&((this.getYear()%100!=0)||(this.getYear()%400==0)));   
}   
  
//---------------------------------------------------  
// 日期格式化  
// 格式 YYYY/yyyy/YY/yy 表示年份  
// MM/M 月份  
// W/w 星期  
// dd/DD/d/D 日期  
// hh/HH/h/H 时间  
// mm/m 分钟  
// ss/SS/s/S 秒  
//---------------------------------------------------  
Date.prototype.Format = function (formatStr)   
{   
    var str = formatStr;   
    var Week = ['日','一','二','三','四','五','六'];  
  
    str=str.replace(/yyyy|YYYY/,this.getFullYear());   
    str=str.replace(/yy|YY/,(this.getYear() % 100)>9?(this.getYear() % 100).toString():'0' + (this.getYear() % 100));   
  
    str=str.replace(/MM/,this.getMonth()>9?this.getMonth().toString():'0' + this.getMonth());   
    str=str.replace(/M/g,this.getMonth());   
  
    str=str.replace(/w|W/g,Week[this.getDay()]);   
  
    str=str.replace(/dd|DD/,this.getDate()>9?this.getDate().toString():'0' + this.getDate());   
    str=str.replace(/d|D/g,this.getDate());   
  
    str=str.replace(/hh|HH/,this.getHours()>9?this.getHours().toString():'0' + this.getHours());   
    str=str.replace(/h|H/g,this.getHours());   
    str=str.replace(/mm/,this.getMinutes()>9?this.getMinutes().toString():'0' + this.getMinutes());   
    str=str.replace(/m/g,this.getMinutes());   
  
    str=str.replace(/ss|SS/,this.getSeconds()>9?this.getSeconds().toString():'0' + this.getSeconds());   
    str=str.replace(/s|S/g,this.getSeconds());   
  
    return str;   
}   
  
//+---------------------------------------------------  
//| 求两个时间的天数差 日期格式为 YYYY-MM-dd   
//+---------------------------------------------------  
function daysBetween(DateOne,DateTwo)  
{   
    var OneMonth = DateOne.substring(5,DateOne.lastIndexOf ('-'));  
    var OneDay = DateOne.substring(DateOne.length,DateOne.lastIndexOf ('-')+1);  
    var OneYear = DateOne.substring(0,DateOne.indexOf ('-'));  
  
    var TwoMonth = DateTwo.substring(5,DateTwo.lastIndexOf ('-'));  
    var TwoDay = DateTwo.substring(DateTwo.length,DateTwo.lastIndexOf ('-')+1);  
    var TwoYear = DateTwo.substring(0,DateTwo.indexOf ('-'));  
  
    var cha=((Date.parse(OneMonth+'/'+OneDay+'/'+OneYear)- Date.parse(TwoMonth+'/'+TwoDay+'/'+TwoYear))/86400000);   
    return Math.abs(cha);  
}  
  
  
//+---------------------------------------------------  
//| 日期计算  
//+---------------------------------------------------  
Date.prototype.DateAdd = function(strInterval, Number) {   
    var dtTmp = this;  
    switch (strInterval) {   
        case 's' :return new Date(Date.parse(dtTmp) + (1000 * Number));  
        case 'n' :return new Date(Date.parse(dtTmp) + (60000 * Number));  
        case 'h' :return new Date(Date.parse(dtTmp) + (3600000 * Number));  
        case 'd' :return new Date(Date.parse(dtTmp) + (86400000 * Number));  
        case 'w' :return new Date(Date.parse(dtTmp) + ((86400000 * 7) * Number));  
        case 'q' :return new Date(dtTmp.getFullYear(), (dtTmp.getMonth()) + Number*3, dtTmp.getDate(), dtTmp.getHours(), dtTmp.getMinutes(), dtTmp.getSeconds());  
        case 'm' :return new Date(dtTmp.getFullYear(), (dtTmp.getMonth()) + Number, dtTmp.getDate(), dtTmp.getHours(), dtTmp.getMinutes(), dtTmp.getSeconds());  
        case 'y' :return new Date((dtTmp.getFullYear() + Number), dtTmp.getMonth(), dtTmp.getDate(), dtTmp.getHours(), dtTmp.getMinutes(), dtTmp.getSeconds());  
    }  
}  
  
//+---------------------------------------------------  
//| 比较日期差 dtEnd 格式为日期型或者有效日期格式字符串  
//| 计算两日期相差的日期年月日等
//| 使用方法：new Date("2013-12-20 00:00:00").dateDiff("d",new Date("2013-12-20 00:00:00"))
//+---------------------------------------------------  
Date.prototype.DateDiff = function(strInterval, dtEnd) {   
    var dtStart = this;  
    if (typeof dtEnd == 'string' )//如果是字符串转换为日期型  
    {   
        dtEnd = StringToDate(dtEnd);  
    }  
    switch (strInterval) {   
        case 's' :return parseInt((dtEnd - dtStart) / 1000);  
        case 'n' :return parseInt((dtEnd - dtStart) / 60000);  
        case 'h' :return parseInt((dtEnd - dtStart) / 3600000);  
        case 'd' :return parseInt((dtEnd - dtStart) / 86400000);  
        case 'w' :return parseInt((dtEnd - dtStart) / (86400000 * 7));  
        case 'm' :return (dtEnd.getMonth()+1)+((dtEnd.getFullYear()-dtStart.getFullYear())*12) - (dtStart.getMonth()+1);  
        case 'y' :return dtEnd.getFullYear() - dtStart.getFullYear();  
    }  
}  
  
//+---------------------------------------------------  
//| 日期输出字符串，重载了系统的toString方法  
//+---------------------------------------------------  
Date.prototype.toString = function(showWeek)  
{   
    var myDate= this;  
    var str = myDate.toLocaleDateString();  
    if (showWeek)  
    {   
        var Week = ['日','一','二','三','四','五','六'];  
        str += ' 星期' + Week[myDate.getDay()];  
    }  
    return str;  
}   
  
//+---------------------------------------------------  
//| 日期时间检查  
//| 格式为：YYYY-MM-DD HH:MM:SS  
//+---------------------------------------------------  
function CheckDateTime(str)  
{   
    var reg = /^(\d+)-(\d{ 1,2 })-(\d{ 1,2 }) (\d{ 1,2 }):(\d{ 1,2 }):(\d{ 1,2 })$/;   
    var r = str.match(reg);   
    if(r==null)return false;   
    r[2]=r[2]-1;   
    var d= new Date(r[1],r[2],r[3],r[4],r[5],r[6]);   
    if(d.getFullYear()!=r[1])return false;   
    if(d.getMonth()!=r[2])return false;   
    if(d.getDate()!=r[3])return false;   
    if(d.getHours()!=r[4])return false;   
    if(d.getMinutes()!=r[5])return false;   
    if(d.getSeconds()!=r[6])return false;   
    return true;   
}   
  
//+---------------------------------------------------  
//| 把日期分割成数组  
//+---------------------------------------------------  
Date.prototype.toArray = function()  
{   
    var myDate = this;  
    var myArray = Array();  
    myArray[0] = myDate.getFullYear();  
    myArray[1] = myDate.getMonth();  
    myArray[2] = myDate.getDate();  
    myArray[3] = myDate.getHours();  
    myArray[4] = myDate.getMinutes();  
    myArray[5] = myDate.getSeconds();  
    return myArray;  
}  
  
//+---------------------------------------------------  
//| 取得日期数据信息  
//| 参数 interval 表示数据类型  
//| y 年 m月 d日 w星期 ww周 h时 n分 s秒  
//+---------------------------------------------------  
Date.prototype.DatePart = function(interval)  
{   
    var myDate = this;  
    var partStr='';  
    var Week = ['日','一','二','三','四','五','六'];  
    switch (interval)  
    {   
        case 'y' :partStr = myDate.getFullYear();break;  
        case 'm' :partStr = myDate.getMonth()+1;break;  
        case 'd' :partStr = myDate.getDate();break;  
        case 'w' :partStr = Week[myDate.getDay()];break;  
        case 'ww' :partStr = myDate.WeekNumOfYear();break;  
        case 'h' :partStr = myDate.getHours();break;  
        case 'n' :partStr = myDate.getMinutes();break;  
        case 's' :partStr = myDate.getSeconds();break;  
    }  
    return partStr;  
}  
  
//+---------------------------------------------------  
//| 取得当前日期所在月的最大天数  
//+---------------------------------------------------  
Date.prototype.MaxDayOfDate = function()  
{   
    var myDate = this;  
    var ary = myDate.toArray();  
    var date1 = (new Date(ary[0],ary[1],1));
    var date2 = (new Date(ary[0], ary[1] + 1, 1));
    var result = date1.DateDiff("d",date2);  
    return result;  
}  
  
//+---------------------------------------------------  
//| 字符串转成日期类型   
//| 格式 MM/dd/YYYY MM-dd-YYYY YYYY/MM/dd YYYY-MM-dd  
//+---------------------------------------------------  
function StringToDate(DateStr)  
{   
  
    var converted = Date.parse(DateStr);  
    var myDate = new Date(converted);  
    if (isNaN(myDate))  
    {   
        //var delimCahar = DateStr.indexOf('/')!=-1?'/':'-';  
        var arys= DateStr.split('-');  
        myDate = new Date(arys[0],--arys[1],arys[2]);  
    }  
    return myDate;  
}  

 

//若要显示:当前日期加时间(如:2009-06-12 12:00)

function CurentTime()
    { 
        var now = new Date();
       
        var year = now.getFullYear();       //年
        var month = now.getMonth() + 1;     //月
        var day = now.getDate();            //日
       
        var hh = now.getHours();            //时
        var mm = now.getMinutes();          //分
       
        var clock = year + "-";
       
        if(month < 10)
            clock += "0";
       
        clock += month + "-";
       
        if(day < 10)
            clock += "0";
           
        clock += day + " ";
       
        if(hh < 10)
            clock += "0";
           
        clock += hh + ":";
        if (mm < 10) clock += '0'; 
        clock += mm; 
        return(clock);
    }


    function CurentDate() {
        var now = new Date();

        var year = now.getFullYear();       //年
        var month = now.getMonth() + 1;     //月
        var day = now.getDate();            //日

        var clock = year + "-";

        if (month < 10)
            clock += "0";

        clock += month + "-";

        if (day < 10)
            clock += "0";

        clock += day;
        return (clock);
    }

    function MonthFirstDate() {
        var now = new Date();

        var year = now.getFullYear();       //年
        var month = now.getMonth() + 1;     //月
        var day = "1";            //日

        var clock = year + "-";

        if (month < 10)
            clock += "0";

        clock += month + "-";

        if (day < 10)
            clock += "0";

        clock += day;
        return (clock);
    }

    function GetDatePart(nS) {
        var now = new Date(nS);

        var year = now.getFullYear();       //年
        var month = now.getMonth() + 1;     //月
        var day = now.getDate();            //日

        var clock = year + "-";

        if (month < 10)
            clock += "0";

        clock += month + "-";

        if (day < 10)
            clock += "0";

        clock += day;
        return (clock);
    }

    function getLocalTime(nS) {
        var S = parseInt(nS).toString();

        if (S.length==13) {
            return new Date(parseInt(nS)).toLocaleString().replace(/年|月/g, "-").replace(/日/g, " ").replace(/上午/g, "").replace(/下午/g, "");
        } else {
            return new Date(parseInt(nS) * 1000).toLocaleString().replace(/年|月/g, "-").replace(/日/g, " ").replace(/上午/g, "").replace(/下午/g, "");
        }
    }   