1 //WordSort.java
2 package javaapplication3;
3 import java.awt.*;
4 import java.awt.event.*;
5 import javax.swing.*;
6 import javax.swing.event.*;
7 import java.util.*;
8 import javax.swing.text.Document;
9
10 public class WordSort extends JFrame implements DocumentListener,ActionListener{
11 JTextArea text1,text2;
12 JButton buttonClear;
13 WordSort(){
14 setBounds(100,100,350,300);
15 setVisible(true);
16 validate();
17
18 setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
19 text1=new JTextArea(20,15);
20 text2=new JTextArea(20,15);
21 buttonClear=new JButton("清空");
22 text1.setLineWrap(true);
23 text1.setWrapStyleWord(true);
24 text2.setLineWrap(true);
25 text2.setWrapStyleWord(true);
26 add(text1);
27 add(text2);
28 add(buttonClear);
29 text2.setEditable(false);
30 Box box1=Box.createHorizontalBox();
31 Box box2=Box.createHorizontalBox();
32 box1.add(new JLabel("请输入单词："));
33 box1.add(new JScrollPane(text1));
34 box2.add(new JLabel("排序后的单词序列："));
35 box2.add(new JScrollPane(text2));
36 Box box3=Box.createHorizontalBox();
37 box3.add(box1);
38 box3.add(box2);
39 Container con=getContentPane();
40 con.add(box3,BorderLayout.SOUTH);
41 con.validate();
42 text1.getDocument().addDocumentListener(this);
43
44 buttonClear.addActionListener(this);
45 }
46 public void insertUpdate(DocumentEvent e){
47 handle();
48 }
49 public void removeUpdate(DocumentEvent e){
50 handle();
51 }
52 public void changedUpdate(DocumentEvent e){
53 handle();
54 }
55 public void handle(){
56 String s=text1.getText();
57 StringTokenizer fenxi=new StringTokenizer(s,",\n");
58 int n=fenxi.countTokens();
59 String a[]=new String[n];
60 for(int i=0;i<=n-1;i++){
61 String temp=fenxi.nextToken();
62 a[i]=temp;
63 }
64 Arrays.sort(a);
65 text2.setText(null);
66 for(int i=0;i<n;i++){
67 text2.append(a[i]+"\n");
68 }
69 }
70 public void actionPerformed(ActionEvent e){
71 text1.setText(null);}
72 public static void main(String args[]){
73 WordSort win=new WordSort();
74 }
75 }
76
