java简易的局域网聊天工具

 1 package com.lovo.work;
 2 
 3 public class Test {
 4 
 5     
 6 
 7     public static void main(String[] args) {
 8         // TODO Auto-generated method stub
 9       new FeiqiuFrame();
10         
11         
12     }
13 
14 }

  1 package com.lovo.work;
  2 
  3 import java.awt.Color;
  4 import java.awt.Container;
  5 import java.awt.Font;
  6 import java.awt.Toolkit;
  7 import java.awt.event.ActionEvent;
  8 import java.awt.event.ActionListener;
  9 import java.io.BufferedReader;
 10 import java.io.BufferedWriter;
 11 import java.io.FileInputStream;
 12 import java.io.FileNotFoundException;
 13 import java.io.IOException;
 14 import java.io.InputStreamReader;
 15 import java.io.ObjectInputStream;
 16 import java.io.OutputStreamWriter;
 17 import java.net.ServerSocket;
 18 import java.net.Socket;
 19 import java.net.UnknownHostException;
 20 import java.text.SimpleDateFormat;
 21 import java.util.Calendar;
 22 import java.util.HashMap;
 23 import java.util.Properties;
 24 import java.util.Set;
 25 
 26 import javax.swing.JButton;
 27 import javax.swing.JCheckBox;
 28 import javax.swing.JComboBox;
 29 import javax.swing.JFrame;
 30 import javax.swing.JOptionPane;
 31 import javax.swing.JScrollPane;
 32 import javax.swing.JTextArea;
 33 import javax.swing.JTextField;
 34 
 35 public class FeiqiuFrame extends JFrame{
 36     
 37 
 38     
 39     private Container contentP;
 40     private JTextArea msgArea;
 41     private JTextField IPTxt;
 42     private JButton qingkongBtn;
 43     private JTextField wenbenTxt;
 44     private JButton fasongBtn;
 45     private String msg;
 46     private Socket fromClient;
 47     private String str3;
 48     private JComboBox classComb;
 49     private Properties pro;
 50     private JCheckBox xuanze;
 51 
 52     
 53         
 54     
 55 
 56     public FeiqiuFrame() {
 57         pro=new Properties();
 58         try {
 59             pro.load(new FileInputStream("j124.properties"));//
 60         } catch (FileNotFoundException e) {
 61             // TODO Auto-generated catch block
 62             e.printStackTrace();
 63         } catch (IOException e) {
 64             // TODO Auto-generated catch block
 65             e.printStackTrace();
 66         }
 67         
 68         this.setSize(400, 350);
 69         Toolkit tk = Toolkit.getDefaultToolkit();
 70         int screenW = (int) tk.getScreenSize().getWidth();// 得到屏幕宽
 71         int screenH = (int) tk.getScreenSize().getHeight();// 得到屏幕高
 72         this.setLocation((screenW - 400) / 2, (screenH - 510) / 2);
 73         this.setTitle("我的飞秋");
 74         // 设置窗体关闭即为关闭程序
 75         this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 76         // 设置窗体内容面板上所有的东西
 77         this.addContent();
 78         // 设置窗体可见
 79         this.setVisible(true);
 80         
 81         
 82         
 83         ServerSocket server = null;
 84         try {
 85             server = new ServerSocket(9527);
 86             while (true) {
 87                 // accept是阻塞方法，直到监听到客户端发送过来的消息
 88                 Socket fromClient = server.accept();
 89                 new MSGThread(fromClient,this).start();
 90                 
 91             }
 92         } catch (IOException e) {
 93             // TODO Auto-generated catch block
 94             e.printStackTrace();
 95         } finally {
 96             if (server != null) {
 97                 try {
 98                     server.close();
 99                 } catch (IOException e) {
100                     // TODO Auto-generated catch block
101                     e.printStackTrace();
102                 }
103             }
104         }
105         
106         
107     }
108 
109     private void addContent() {
110         // TODO Auto-generated method stub
111         this.contentP = this.getContentPane();
112         // 设置窗体面板的背景色
113         this.contentP.setBackground(Color.WHITE);
114         // 设置容器的布局管理器为空---空布局管理
115         this.contentP.setLayout(null);
116         
117         this.msgArea = new JTextArea();
118         JScrollPane sp = new JScrollPane(this.msgArea);
119         sp.setBounds(15, 20, 365, 200);
120         msgArea.setEditable(false);
121         
122 //        this.msgArea.setBorder(BorderFactory.createLineBorder(Color.BLACK));
123         this.contentP.add(sp);
124         
125         
126         
127         this.wenbenTxt = new JTextField();
128         this.wenbenTxt.setFont(new Font("微软雅黑", Font.ITALIC,15));
129         this.wenbenTxt.setForeground(Color.BLUE);
130         this.wenbenTxt.setBounds(15, 230, 110, 25);
131         this.contentP.add(this.wenbenTxt);
132         
133         this.fasongBtn = new JButton();
134         this.fasongBtn .setText("发送");
135         this.fasongBtn .setFont(new Font("微软雅黑", Font.PLAIN, 15));
136         this.fasongBtn .setForeground(Color.BLUE);
137         this.fasongBtn .setBounds(130, 230, 65, 25);
138         
139         
140         this.classComb = new JComboBox(this.pro.keySet().toArray());
141         this.classComb.setEditable(true);
142         this.classComb.setBounds(210, 230,90, 25);
143         this.contentP.add(this.classComb);
144         
145 
146         this.xuanze = new JCheckBox("自动回复");
147         this.xuanze.setBackground(new Color(225, 249, 255));
148         this.xuanze.setBounds(15, 270, 100, 25);
149         this.contentP.add(this.xuanze);
150         
151         
152         this.qingkongBtn = new JButton();
153         this.qingkongBtn.setText("清空");
154         this.qingkongBtn.setFont(new Font("微软雅黑", Font.PLAIN, 15));
155         this.qingkongBtn.setForeground(Color.BLUE);
156         this.qingkongBtn.setBounds(310, 230, 65, 25);
157         this.contentP.add(this.qingkongBtn);
158         this.qingkongBtn.addActionListener(new ActionListener(){
159 
160             @Override
161             public void actionPerformed(ActionEvent e) {
162                 // TODO Auto-generated method stub
163                 msgArea.setText("");
164             }
165             
166         });
167         this.fasongBtn.addActionListener(new ActionListener(){
168 
169             @Override
170             public void actionPerformed(ActionEvent e) {
171                 // TODO Auto-generated method stub
172                 String str=wenbenTxt.getText();
173                 String ipstr=(String)FeiqiuFrame.this.getClassComb().getSelectedItem();
174                 String IP=FeiqiuFrame.this.pro.getProperty(ipstr);
175                 
176                 String str2 = str.replaceAll(" ", "");
177                 if(str2!=null&&!str2.equals("")){
178                     if(IP.matches("(25[0-5]|2[0-4]\\d|1\\d{2}|[1-9]?\\d)(\\.(25[0-5]|2[0-4]\\d|1\\d{2}|[1-9]?\\d)){3}")){
179                             msg="XX&"+str2;
180                             str3=msgArea.getText();
181                             msgArea.setText(str3+"\n"+getFormatDate()+"\n"+"我说："+str2);
182                                     
183                             Socket client = null;        
184                             try {
185                                 client = new Socket(IP, 9527);
186                                 BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(client.getOutputStream()));
187                                 bw.write(msg);
188                                 bw.flush();
189                             } catch (UnknownHostException e1) {
190                                 // TODO Auto-generated catch block
191                                 e1.printStackTrace();
192                             } catch (IOException e1) {
193                                 // TODO Auto-generated catch block
194                                 e1.printStackTrace();
195                             } finally{
196                                 if(client != null){
197                                     try {
198                                         client.close();
199                                     } catch (IOException e1) {
200                                         // TODO Auto-generated catch block
201                                         e1.printStackTrace();
202                                     }
203                                 }
204                             }
205                     }else{
206                         JOptionPane.showMessageDialog(fasongBtn, "IP输入不正确！");
207                     }
208                     
209                 }else{    
210                     JOptionPane.showMessageDialog(fasongBtn, "消息输入不能为空！");
211                 }
212             }
213         });
214         
215         this.contentP.add(this.fasongBtn );
216         
217     }
218     public static String getFormatDate()
219     {
220         SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
221         return sdf.format(Calendar.getInstance().getTime());
222     }
223 
224     public Container getContentP() {
225         return contentP;
226     }
227 
228     public void setContentP(Container contentP) {
229         this.contentP = contentP;
230     }
231 
232     public JTextArea getMsgArea() {
233         return msgArea;
234     }
235 
236     public void setMsgArea(JTextArea msgArea) {
237         this.msgArea = msgArea;
238     }
239 
240     public JTextField getIPTxt() {
241         return IPTxt;
242     }
243 
244     public void setIPTxt(JTextField iPTxt) {
245         IPTxt = iPTxt;
246     }
247 
248     public JButton getQingkongBtn() {
249         return qingkongBtn;
250     }
251 
252     public void setQingkongBtn(JButton qingkongBtn) {
253         this.qingkongBtn = qingkongBtn;
254     }
255     
256 
257     public JComboBox getClassComb() {
258         return classComb;
259     }
260 
261     public void setClassComb(JComboBox classComb) {
262         this.classComb = classComb;
263     }
264 
265     public JTextField getWenbenTxt() {
266         return wenbenTxt;
267     }
268 
269     public void setWenbenTxt(JTextField wenbenTxt) {
270         this.wenbenTxt = wenbenTxt;
271     }
272 
273     public JButton getFasongBtn() {
274         return fasongBtn;
275     }
276 
277     public void setFasongBtn(JButton fasongBtn) {
278         this.fasongBtn = fasongBtn;
279     }
280 
281     public String getMsg() {
282         return msg;
283     }
284 
285     public void setMsg(String msg) {
286         this.msg = msg;
287     }
288 
289     public Socket getFromClient() {
290         return fromClient;
291     }
292 
293     public void setFromClient(Socket fromClient) {
294         this.fromClient = fromClient;
295     }
296 
297     public String getStr3() {
298         return str3;
299     }
300 
301     public void setStr3(String str3) {
302         this.str3 = str3;
303     }
304     
305     
306 }

 1 package com.lovo.work;
 2 
 3 import java.io.BufferedReader;
 4 import java.io.IOException;
 5 import java.io.InputStreamReader;
 6 import java.net.Socket;
 7 import java.text.SimpleDateFormat;
 8 import java.util.Calendar;
 9 import java.util.Date;
10 
11 public class MSGThread extends Thread{
12     
13     private Socket fromClient;
14     private FeiqiuFrame feiqiuframe;
15     
16     public MSGThread(Socket fromClient,FeiqiuFrame feiqiuframe){
17         this.fromClient = fromClient;
18         this.feiqiuframe = feiqiuframe;
19     }
20     
21     public void run(){
22         BufferedReader br = null;
23         try {
24             br = new BufferedReader(new InputStreamReader(
25                     fromClient.getInputStream()));
26             String str = br.readLine();
27             String[] allMsg = str.split("&");
28             String str2=MSGThread.this.feiqiuframe.getMsgArea().getText();
29             String str1=allMsg[0] + "说:" + allMsg[1];
30             String str3=str2+"\n"+getFormatDate()+"\n"+str1;
31             MSGThread.this.feiqiuframe.setStr3(str3);
32             MSGThread.this.feiqiuframe.getMsgArea().setText(MSGThread.this.feiqiuframe.getStr3());
33 //        System.out.println(str2);
34 //        System.out.println(str1);
35 //        System.out.println(str3);
36     
37         } catch (IOException e) {
38             // TODO Auto-generated catch block
39             e.printStackTrace();
40         } finally{
41             if(br != null){
42                 try {
43                     br.close();
44                 } catch (IOException e) {
45                     // TODO Auto-generated catch block
46                     e.printStackTrace();
47                 }
48             }
49             if(this.fromClient != null){
50                 try {
51                     this.fromClient.close();
52                 } catch (IOException e) {
53                     // TODO Auto-generated catch block
54                     e.printStackTrace();
55                 }
56             }
57         }
58         
59         
60     }
61 
62     public static String getFormatDate()
63     {
64         SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
65         return sdf.format(Calendar.getInstance().getTime());
66     }
67     
68 }