springboot項目，啟動項目后啟動的定時器，定時執行任務

package com.wiscom.ism.webapi.ismController;

import org.springframework.boot.ApplicationArguments;
import org.springframework.boot.ApplicationRunner;
import org.springframework.stereotype.Component;
import org.springframework.stereotype.Service;

import java.io.File;
import java.util.Calendar;
import java.util.Date;
import java.util.Timer;
import java.util.TimerTask;

@Component
public class DeleteImgController implements ApplicationRunner {

    /*
     * 定時刪除以圖搜圖上傳到static upload images search 文件夾下的照片
     * d定時每天的23點59分刪除
     * */

//項目啟動后執行的方法
    @Override
    public void run(ApplicationArguments args) throws Exception {
        startDeleteImgService();//
    }

    //定時器
    public void startDeleteImgService() {
        System.out.println("啟動刪除＝＝＝＝");
        Calendar calendar = Calendar.getInstance();
        calendar.set(Calendar.HOUR_OF_DAY, 23);
        calendar.set(Calendar.MINUTE, 59);
        calendar.set(Calendar.SECOND, 0);
        Date time = calendar.getTime();
        Timer timer = new Timer();
        timer.scheduleAtFixedRate(new TimerTask() {
            public void run() {
                File file = new File("static/upload/images/search");
                if (file.exists()) {
                    String[] list = file.list();
                    for (String name : list) {
                        File f = new File("static/upload/images/search", name);
                        if (f.isFile()) {
                            f.delete();
                        }
                    }
                }
            }
        }, time, 1000 * 60 * 60 * 24);
    }     //執行時間     間隔時間


}