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private java.util.Timer timer;
timer
= new Timer(true);
timer.schedule(
new java.util.TimerTask() {
public void run() { //server.checkNewMail(); Òª²Ù×÷µÄ·½·¨ } }, 0, 5*60*1000); 
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ʹÓÃÕ⼸ÐдúÂëÖ®ºó£¬Timer±¾Éí»áÿ¸ô5·ÖÖÓµ÷ÓÃÒ»±éserver.checkNewMail()·½·¨£¬²»ÐèÒª×Ô¼ºÆô¶¯Ï̡߳£Timer±¾ÉíÒ²ÊǶàÏß
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(1)Timer.schedule(TimerTask
task,Date time)°²ÅÅÔÚÖÆ¶¨µÄʱ¼äÖ´ÐÐÖ¸¶¨µÄÈÎÎñ¡£
(2)Timer.schedule(TimerTask task,Date
firstTime ,long period)°²ÅÅÖ¸¶¨µÄÈÎÎñÔÚÖ¸¶¨µÄʱ¼ä¿ªÊ¼½øÐÐÖØ¸´µÄ¹Ì¶¨ÑÓ³ÙÖ´ÐУ®
(3)Timer.schedule(TimerTask
task,long delay)°²ÅÅÔÚÖ¸¶¨ÑÓ³ÙºóÖ´ÐÐÖ¸¶¨µÄÈÎÎñ£®
(4)Timer.schedule(TimerTask
task,long delay,long period)°²ÅÅÖ¸¶¨µÄÈÎÎñ´ÓÖ¸¶¨µÄÑÓ³Ùºó¿ªÊ¼½øÐÐÖØ¸´µÄ¹Ì¶¨ÑÓ³ÙÖ´ÐУ®
(5)Timer.scheduleAtFixedRate(TimerTask
task,Date firstTime,long period)°²ÅÅÖ¸¶¨µÄÈÎÎñÔÚÖ¸¶¨µÄʱ¼ä¿ªÊ¼½øÐÐÖØ¸´µÄ¹Ì¶¨ËÙÂÊÖ´ÐУ®
(6)Timer.scheduleAtFixedRate(TimerTask
task,long delay,long period)°²ÅÅÖ¸¶¨µÄÈÎÎñÔÚÖ¸¶¨µÄÑÓ³Ùºó¿ªÊ¼½øÐÐÖØ¸´µÄ¹Ì¶¨ËÙÂÊÖ´ÐУ®
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Timer time= new Timer(true);//°æ±¾ÐÅÏ¢Éϱ¨ ¶¨Ê±Æ÷
time
.schedule(new UploadVervsionDataImpl(ctx), 0,30*60*1000);//30·ÖÖÓÉϱ¨Ò»´Î
ÃèÊö£ºÃ¿30·ÖÖÓÖ´ÐÐÒ»´Î
UploadVervsionDataImpl(ctx)
public class UploadVervsionDataImpl extends TimerTask{
   
    public static WebApplicationContext ctx;
    public UploadVervsionDataImpl(WebApplicationContext ctx){
        this.ctx=ctx;
    }
    @Override
    public void run() {//1 »ñÈ¡°æ±¾ÐÅÏ¢ ; 2 ÏòÖÐÐÄ(webservice)Éϱ¨
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