如何优雅的结束线程（二）

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public class ThreadService {

    private Thread executeThread;

    private boolean finished = false;

    public void execute(Runnable task) {
        executeThread = new Thread() {
            @Override
            public void run() {
                Thread runner = new Thread(task);
                runner.setDaemon(true);

                runner.start();
                try {
                    runner.join();
                    finished = true;
                } catch (InterruptedException e) {
                    //e.printStackTrace();
					
                }
            }
        };

        executeThread.start();
    }

    public void shutdown(long mills) {
        long currentTime = System.currentTimeMillis();
        while (!finished) {
            if ((System.currentTimeMillis() - currentTime) >= mills) {
                System.out.println("任务超时，需要结束他!");
                executeThread.interrupt();
                break;
            }

            try {
                executeThread.sleep(1);
            } catch (InterruptedException e) {
                System.out.println("执行线程被打断!");
                break;
            }
        }

        finished = false;
    }
}

用到了线程中的守护线程和打断，然后给线程一个时间，超时强制结束和正常结束