jq时间戳和日期互转--等等扩展插件

;(function($) {
    /*扩展插件：
     * 1.$.time->时间插件
     *  -- 时间戳获取时间：$.time.getTime()
     *  -- 普通时间获取时间戳:  $.time.dataCommon("2012-11-12 02:02:03")
     *  -- 判断是否今天   $.time.isToday(时间戳)
     * 	-- 当前星期 几  $.time.weekTime(时间戳) 
     * 	-- str时间段的一个星期时间和日期$.time.LoadDayTime(时间戳) 
     *  -- 加减时间天数   $.time.addTime(a,b) 
     * 2.-----未完待续
    */
  $.extend({
      time: {
        getTime:function(str,type,n){
            /* 
             * 函数名：   $.time.getTime(101444441,'YMD','-') 
             * 函数功能： 时间戳获取时间
             * 传入参数： str:时间戳  
             *         y:传入返回类型     YMD/ymr:年月日  ； YMDHMS/ymdhms:年月日时分秒 HMS/hms:时分秒
             *         n:年月日分隔符  ---默认为"-" 
             * 返回值：  默认：Y + M + D + h + m + s 
             *
            */ 
          var date = new Date(str);
          var dateTime ="";
              n = n!=null?n:"-";
            Y = date.getFullYear() + n;
            M = (date.getMonth() + 1 < 10 ? '0' + (date.getMonth() + 1) : date.getMonth() + 1) + n;
            D = (date.getDate() < 10 ? '0' + date.getDate() : date.getDate()) + ' ';
            h = date.getHours() + ':';
            m = date.getMinutes() + ':';
            s = date.getSeconds();
            if(type=='ym' || type=='YM'){
                dateTime = (Y + M);
            }else if(type=='ymd' || type=='YMD'){
                dateTime = (Y + M + D);
            }else if(type=='hms' || type=='HMS'){
                dateTime = (h + m + s);
            }else{
                dateTime = (Y + M + D + h + m + s);
            }
            return dateTime;
             },
   
        dataCommon: function(date){
            /* 
             * 函数名：$.time.dataCommon("2012-11-12 02:02:03") 
             * 函数功能：普通时间获取时间戳
             * 传入参数： date：2012-11-12 02:02:03， 2012/11/12 02:02:03 ，2012.11.12 02:02:03
             * 返回值：时间戳
             */  
           date = new Date(Date.parse(date.replace(/-/g, "/")));
           date = date.getTime();
           return date;
         },
        isToday: function(str) {
              /* 
             * 函数名：$.time.isToday(14895465465) 
             * 函数功能：判断是否今天
             * 传入参数： str：时间戳
             * 返回值：true：是今天  false: 不是今天
             */  
            if (new Date(str).toDateString() === new Date().toDateString()) {
                return true;
            } else if (new Date(str) < new Date()) {
                return false;
            }
      },
	    weekTime :function (date){
	      	 /* 
	         * 函数名：$.time.weekTime(14895465465) 
	         * 函数功能：当前这个星期
	         * 传入参数： date:时间戳
	         * 返回值：week：星期
	         */  
	      	var week;
	      	if(date.getDay()==0) week="星期日"
			if(date.getDay()==1) week="星期一"
			if(date.getDay()==2) week="星期二"
			if(date.getDay()==3) week="星期三"
			if(date.getDay()==4) week="星期四"
			if(date.getDay()==5) week="星期五"
			if(date.getDay()==6) week="星期六"
			return week;
	      },
	    LoadDayTime:function (str){
	      	 /* 
	         * 函数名：$.time.LoadDayTime() 
	         * 函数功能：获取str这个时间段的这个星期
	         * 传入参数： str：时间戳
	         * 返回值：weekArray 数组:
	         */  
	        var now = new Date(str); //当前时间
			var nowTime = now.getTime(); 
			var day = now.getDay();//当前星期几
			var oneDayLong = 24*60*60*1000 ; 
			var sevenTime = $.time.getTime(nowTime - (day)*oneDayLong,'YMD','-'); //0
			var oneTime =$.time.getTime(nowTime - (day-1)*oneDayLong,'YMD','-'); //1
			var twoTime =$.time.getTime(nowTime - (day-2)*oneDayLong,'YMD','-'); //2
			var threeTime =$.time.getTime(nowTime - (day-3)*oneDayLong,'YMD','-'); //3
			var fourTime =$.time.getTime(nowTime - (day-4)*oneDayLong,'YMD','-'); //4
			var fiveTime = $.time.getTime(nowTime - (day-5)*oneDayLong,'YMD','-'); //5
			var sixTime = $.time.getTime(nowTime - (day-6)*oneDayLong,'YMD','-'); //6
			 	sevenTime = [$.time.weekTime(new Date(sevenTime)),sevenTime];
				oneTime = [$.time.weekTime(new Date(oneTime)),oneTime];
				twoTime = [$.time.weekTime(new Date(twoTime)),twoTime];
				threeTime = [$.time.weekTime(new Date(threeTime)),threeTime];
				fourTime = [$.time.weekTime(new Date(fourTime)),fourTime];
				fiveTime = [$.time.weekTime(new Date(fiveTime)),fiveTime];
				sixTime = [$.time.weekTime(new Date(sixTime)),sixTime];
				var weekArray = [{
					"sevenTime":sevenTime,
					"oneTime":oneTime,
					"twoTime":twoTime, 
					"threeTime":threeTime,
					"fourTime":fourTime,
					"fiveTime":fiveTime,
					"sixTime":sixTime
				}];
			return weekArray
	    },
	    addTime:function (day,str){
	    	 /* 
	         * 函数名：$.time.addTime() 
	         * 函数功能：加减天数
	         * 传入参数： day： 5/-5  str:指定时间戳
	         * 返回值：返回年月日
	         */  
	        var nowTime = str==null?new Date().getTime():str;
	    	var dayTime = day * 24 * 60 * 60 * 1000; //参数天数的时间戳
			var myDate = new Date(nowTime + dayTime); //把两个时间戳转换成普通时间
			var y = myDate.getFullYear(); 
			var m = myDate.getMonth()+1; 
			var d =	myDate.getDate(); 
			return y+'-'+m+'-'+d;
	    }
	}
})
})(jQuery)