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 //ÓÉÒ³ÃæÔªËØdate_string(YYYY-MM_DD¸ñʽ)µÃµ½Êý×édate_array
 //ÊäÈë²ÎÊý£ºdate_string:ÈÕÆÚ´®£»marker:ÈÕÆÚ´®date_stringÀïµÄ·Ö¸ô·û£¬Èç¹ûûÓÐÔòΪ""£»
 //·µ»ØÖµ£º Êý×飺date_array
 //            Êý×éÔªËØdate_array.year=YYYY£»date_array.month=MM£»date_array.day=DD£»date_array.datestring=YYYYMMDD
function date_get(date_string,marker)
{
    var date_array=new Array()
    if (date_string.length!=0)
    {
        if (marker!="")                            //Èç¹û´«ÈëµÄ×Ö·û´®Óзָô·û
        {
            var year = date_string.substr(0,4);
            var month = date_string.substr(5,2);
            var day = date_string.substr(8,2);
        }
        else                                    //Èç¹û´«ÈëµÄ×Ö·û´®Ã»Óзָô·û
        {
            var year = date_string.substr(0,4);
            var month = date_string.substr(4,2);
            var day = date_string.substr(6,2);
        }
                   
  


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