JAVA線程的應用實例

JAVA線程的應用實例（運用2種中斷線程方式，基於實現進度條為例）

1. package com.han;
3. import java.awt.*;
4. import javax.swing.*;
5. /**
6. * 內部類與匿名內部類的分別使用，並且分別運用了interrupt()方法和在run()中使用無限循環，然後用一個布爾什標記去控制循環的停止
7. * @author HAN
8. *
9. */
11. @SuppressWarnings("serial")
12. public class Thread_interrupt extends JFrame{
13. static Thread thread;
14. JProgressBar progressBar;
15. public Thread_interrupt(){
16. progressBar=new JProgressBar();
17. progressBar.setStringPainted(true);
18. Container container=getContentPane();
19. container.add(progressBar, BorderLayout.NORTH);//在不指定布局管理器的情況下，默認使用BorderLayout。 若不使用布局管理器，需明確說明setLayout(new BorderLayout())
21. this.pack();
22. this.setVisible(true);
23. this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
25. this.creatThread();
26. thread.start();
27. //thread_instance.setContinue(false); //另一種中斷線程方式
28. thread.interrupt();
29. }
31. class Thread_instance implements Runnable{
32. boolean isContinue=true;
33. public void setContinue(boolean b){
34. this.isContinue=b;
35. }
36. @Override
37. public void run() {
38. // TODO Auto-generated method stub
39. int count=0;
41. while(true){
42. progressBar.setValue(++count);
43. try {
44. Thread.sleep(1000);
45. } catch (InterruptedException e) {
46. // TODO Auto-generated catch block
47. System.out.println("當前程序被中斷");
48. break;
49. }
50. if(!isContinue){
51. break;
52. }
53. }
54. System.out.println("here");
55. }
56. }
57. void creatThread(){
58. thread=new Thread(new Thread_instance());
59. }
60. static void init(JFrame frame,int width,int height){
61. frame.setSize(width,height);
62. }
63. public static void main (String[] args){
64. init(new Thread_interrupt(),100,100);
65. }
66. }
68. /*@SuppressWarnings("serial")
69. public class Thread_interrupt extends JFrame{
70. Thread thread;
71. JProgressBar progressBar;
72. boolean isContinue=true;
73. public Thread_interrupt(){
74. progressBar=new JProgressBar();
75. progressBar.setStringPainted(true);
76. Container container=getContentPane();
77. container.add(progressBar);
78. this.pack();
79. this.setVisible(true);
80. this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
81. thread=new Thread(new Runnable(){
82. public void run() {
83. // TODO Auto-generated method stub
84. int count=0;
86. while(true){
87. progressBar.setValue(++count);
88. try {
89. Thread.sleep(1000);
90. } catch (InterruptedException e) {
91. // TODO Auto-generated catch block
92. System.out.println("當前程序被中斷");
93. break;
94. }
95. if(!isContinue){
96. break;
97. }
98. }
99. System.out.println("here");
100. }
101. });
102. thread.start();
103. // thread.interrupt();
104. setContinue(false);
105. }
106. *//**
107. * @param b true=continue to execute run();
108. * false=stop to execute run()
109. *//*
110. private void setContinue(boolean b) {
111. // TODO Auto-generated method stub
112. this.isContinue=b;
113. }
114. public static void main (String[] args){
115. new Thread_interrupt();
116. }
117. }
118. */