每隔一定时间间隔查询是否有新消息

/**
 * 查询信息
 */
public void checkMessage(){
    TimerTask tt = new TimerTask() {
        public void run() {
            String unreadMsgNo = new CheckMessage().getUnreadMsgNo
                                    (URL, USER,
PASSWORD);
            if(unreadMsgNo.equals("0")){
                jLabelMsgTip.setText("您没有新信息！");
            } else{
                jLabelMsgTip.setText("您有" + unreadMsgNo + "条新信息！");
            }
        }
    };
    Timer t = new Timer();
    t.schedule(tt, 0, (long)1000*15);//每隔15秒执行一次
}

/**

* 查询信息

public void checkMessage(){

TimerTask tt = new TimerTask() {

public void run() {

String unreadMsgNo = new CheckMessage().getUnreadMsgNo

(URL, USER,

PASSWORD);

if(unreadMsgNo.equals("0")){

jLabelMsgTip.setText("您没有新信息！");

} else{

jLabelMsgTip.setText("您有" + unreadMsgNo + "条新信息！");

}

};

Timer t = new Timer();

t.schedule(tt, 0, (long)1000*15);//每隔15秒执行一次

}

每隔一定时间间隔查询是否有新消息

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