java简易界面聊天程序源代码

import java.io.*;
import https://www.doczj.com/doc/4a12111417.html,.*;
import javax.swing.*;
import java.awt.event.*;
import java.awt.*;

/**
* 用户界面ClientUI
*/
public class ClientUI extends JFrame {
JTextArea mainArea;

JTextArea sendArea;

ChatClient client;

JTextField ipArea;

JButton btnLink;

public void setClient(ChatClient client) {
this.client = client;
}

public ClientUI() {
super("客户端");
Container contain = getContentPane();
contain.setLayout(new BorderLayout());
mainArea = new JTextArea();
JScrollPane mainAreaP = new JScrollPane(mainArea);// 为文本区添加滚动条
JPanel panel = new JPanel();
panel.setLayout(new BorderLayout());
sendArea = new JTextArea(3, 8);
JButton sendBtn = new JButton("发送");
sendBtn.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent ae) {
client.sendMsg(sendArea.getText());
mainArea.append("【客户端】" + sendArea.getText() + "\n");
sendArea.setText("");
}
});
JPanel ipPanel = new JPanel();
ipPanel.setLayout(new FlowLayout(FlowLayout.LEFT, 10, 10));
ipPanel.add(new JLabel("服务器："));
ipArea = new JTextField(12);
ipArea.setText("127.0.0.1");
ipPanel.add(ipArea);
btnLink = new JButton("连接");
ipPanel.add(btnLink);
btnLink.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent ae) {
client = new ChatClient(ipArea.getText(), 6666, ClientUI.this);// 创建socket对象
ClientUI.this.setClient(client);
}
});
panel.add(sendBtn, BorderLayout.EAST);
panel.add(sendArea, BorderLayout.CENTER);
contain.add(ipPanel, BorderLayout.NORTH);
contain.add(mainAreaP, BorderLayout.CENTER);
contain.add(panel, BorderLayout.SOUTH);
setSize(500, 300);
setVisible(true);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}

public static void main(String[] args) {
ClientUI ui = new ClientUI();
}
}

/**
* 通讯类ChatClient负责守候数据到来
*/
class ChatClient extends Thread {
Socket sc;// 对象sc，用来处理与服务

BufferedReader in;// 声明输入流缓冲区，用于存储服务器发来的信息

PrintWriter out;// 声明打印输出流，用于信息的发送

ClientUI ui;

public ChatClient(String ip, int port, ClientUI ui) {// 初始化ChatClient类
this.ui = ui;
try {
sc = new Socket(ip, port); // 创建sc, 用服务器ip和端口作参数
System.out.println("已顺利联接到服务器。");
out = new PrintWriter(sc.getOutputStream(), true);
in = new BufferedReader(new InputStreamReader(sc.getInputStream()));
} catch (Exception e) {
System.out.println(e);
}
start();
}

public void run() { // 用于监听服务器端发送来的信息
String msg = "";
while (true) {
try {
msg = in.readLine();// 从缓冲区读入一行字符存于msg
} catch (SocketException ex) {
System.out.println(ex);
break;
} catch (

Exception ex) {
System.out.println(ex);
}
if (msg != null && msg.trim() != "") {// 若msg信息不为空
System.out.println(">>" + msg);
ui.mainArea.append(msg + "\n");// 把msg信息添加到客户端的文本区域内
}
}
}

public void sendMsg(String msg) {// 用于发送信息
try {
out.println("【客户端】" + msg);
} catch (Exception e) {
System.out.println(e);
}
}
}
import java.io.*;
import https://www.doczj.com/doc/4a12111417.html,.*;
import javax.swing.*;
import java.awt.event.*;
import java.awt.*;

/**
* 服务端界面ServerUI
*/
public class ServerUI extends JFrame {
JTextArea mainArea;

JTextArea sendArea;

JTextField indexArea;

SvrCom server;

public void setServer(SvrCom server) {
this.server = server;
}

public ServerUI() {
super("服务器端");
Container contain = getContentPane();
contain.setLayout(new BorderLayout());
mainArea = new JTextArea();
JScrollPane mainAreaP = new JScrollPane(mainArea);
JPanel panel = new JPanel();
panel.setLayout(new BorderLayout());
sendArea = new JTextArea(3, 8);
JButton sendBtn = new JButton("发送");
sendBtn.addActionListener(new ActionListener()// 注册动作监听器
{
public void actionPerformed(ActionEvent ae) {
server.sendMsg(sendArea.getText());// 把信息传递到客户端
mainArea.append("【服务器】" + sendArea.getText() + "\n");// 把信息显示在服务器的聊天记录区域
sendArea.setText("");
}
});
JPanel tmpPanel = new JPanel();
indexArea = new JTextField(2);
indexArea.setText("0");
tmpPanel.add(sendBtn);
tmpPanel.add(indexArea);
panel.add(tmpPanel, BorderLayout.EAST);
panel.add(sendArea, BorderLayout.CENTER);
contain.add(mainAreaP, BorderLayout.CENTER);
contain.add(panel, BorderLayout.SOUTH);
setSize(500, 300);
setVisible(true);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}

public static void main(String[] args) {
ServerUI ui = new ServerUI();
SvrCom server = new SvrCom(ui);// 创建并启动网络通讯线程，准备接受客户端数据包
}
}

/**
* 通讯类SvrCom负责守候数据到来
*/
class SvrCom extends Thread// 网络通讯类
{
Socket client;

ServerSocket soc;

BufferedReader in;

PrintWriter out;

ServerUI ui;

// ChatServer server;

public SvrCom(ServerUI ui) { // 初始化SvrCom类
this.ui = ui;
ui.setServer(this);
try {
soc = new ServerSocket(6666); // 开设服务器端口6666
System.out.println("启动服务器成功，等待端口号：6666");
client = soc.accept();// 当客户机请求连接时，创建一条链接
System.out.println("连接成功！来自" + client.toString());
in = new BufferedReader(new InputStreamReader(client
.getInputStream()));
out = new PrintWriter(client.getOutputStream(), true);
} catch (Exception ex) {
System.out.println(ex);
}
start();
}

public void

run() {// 用于监听客户端发送来的信息
String msg = "";
while (true) {
try {
msg = in.readLine();// 从in对象上读数据信息
} catch (SocketException ex) {
System.out.println(ex);
break;
} catch (Exception ex) {
System.out.println(ex);
}
if (msg != null && msg.trim() != "") {
System.out.println(">>" + msg);
ui.mainArea.append(msg + "\n");
}
}
}

public void sendMsg(String msg) {// 用于发送信息
try {
out.println("【服务器】" + msg);// 把信息写入输出流
} catch (Exception e) {
System.out.println(e);
}
}
}