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    public static String getCompareTime(String filetime){
     //·µ»ØµÄ×Ö·û´®
    String retStr ="";
    //´«ÈëµÄÈÕÆÚÊÇ2008-9-12µÈ£¬²»×÷´¦Àí
    if(filetime.indexOf("-")>0){
     retStr =filetime;
    }
    else{
     try{
      DateFormat day = new SimpleDateFormat("dd");
      DateFormat hour = new SimpleDateFormat("HH");
      DateFormat minute = new SimpleDateFormat("mm");
         Date today = new Date();
         //µÃµ½µ±Ç°Ê±¼äµÄÈÕ£¬Ð¡Ê±£¬·ÖÖÓ
         int nowDay =Integer.parseInt(day.format(today));
         int nowHour =Integer.parseInt(hour.format(today));
         int nowMinute =Integer.parseInt(minute.format(today));
//         System.out.println("nowDay:"+nowDay);
//         System.out.println("nowDay:"+nowHour);
//         System.out.println("nowDay:"+nowMinute);
         //¸ñʽ»¯´«ÈëµÄ×Ö·û´®
      DateFormat df = new SimpleDateFormat("yy/MM/dd HH:mm:ss");
         Date dataTime = df.parse(filetime);  
         //µÃµ½´«Èëʱ¼äµÄÈÕ£¬Ð¡Ê±£¬·ÖÖÓ
         int dataDay =Integer.parseInt(day.format(dataTime));
         int dataHour =Integer.parseInt(hour.format(dataTime));
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