java笔记--使用SwingWoker类完成耗时操作

package com.xhj.thread;

import java.awt.Button;
import java.awt.Label;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Arrays;
import java.util.Random;

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.SwingWorker;

/**
 * @author XIEHEJUN
 * 
 */
public class UsedSwingWokerThread extends JFrame {
    private Label lable;
    private Button button;

    public Label getLable() {
        return lable;
    }

    public void setLable(Label lable) {
        this.lable = lable;
    }

    public Button getButton() {
        return button;
    }

    public void setButton(Button button) {
        this.button = button;
    }

    private class NumberArrary extends SwingWorker<Void, Integer> {

        @Override
        protected Void doInBackground() throws Exception {
            button.addActionListener(new ActionListener() {

                @Override
                public void actionPerformed(ActionEvent e) {
                    int[] numArrary = new int[1000];
                    for (int i = 0; i < 1000; i++) {
                        numArrary[i] = new Random().nextInt();
                        System.out.println(i + "号数为：" + numArrary[i]);
                    }
                    Arrays.sort(numArrary);
                    System.out.println("生成的最大随机数为："
                            + numArrary[numArrary.length - 1]);
                    lable.setText("生成的最大随机数为："
                            + numArrary[numArrary.length - 1]);
                }
            });
            return null;
        }

    }

    /**
     * @param args
     */
    public static void main(String[] args) {
        UsedSwingWokerThread usedSwingWoker = new UsedSwingWokerThread();

        JFrame frame = new JFrame();
        JPanel panel = new JPanel();
        frame.setContentPane(panel);
        frame.setVisible(true);
        usedSwingWoker.setLable(new Label("点击按钮生成随机数组"));
        usedSwingWoker.setButton(new Button("开始生成"));
        frame.add(usedSwingWoker.getLable());
        frame.add(usedSwingWoker.getButton());

        NumberArrary arrarys = usedSwingWoker.new NumberArrary();
        try {
            arrarys.doInBackground();
        } catch (Exception e) {

            e.printStackTrace();
        }

    }

}