Java实现带图形界面的聊天程序

本文实例为大家分享了java实现带图形界面聊天程序的具体代码，供大家参考，具体内容如下

ServerDemo01.java

import javax.swing.*;

import javax.swing.border.Border;

import java.awt.*;

import java.awt.event.*;

import java.io.DataInphttp://utStream;

import java.io.DataOutputStream;

import java.io.IOException;

import java.net.ServerSocket;

import java.net.Socket;

public class ServerDemo01 implements ActionListener {

private ServerSocket serverSocket;

private Socket socket;

private DataInputStream dataInputStream;

private DataOutputStream dataOutputStream;

private JFrame jFrame;

private jscrollPane jScrollPane;

private JTextArea jTextArea;

private JPanel jPanel;

private JTextField jTextField;

private JButton jButton;

public ServerDemo01() {

//创建组件

jFrame = new JFrame("服务器");

jTextArea = new JTextArea();

jScrollPane = new JScrollPane(jTextArea);

jPanel = new JPanel();

jTextField = new JTextField(20);

jButton = new JButton("发送");

//添加组件到容器

jFrame.add(jScrollPane, BorderLayout.CENTER);

jFrame.add(jPanel, BorderLayout.SOUTH);

jPanel.add(jTextField);

jPanel.add(jButton);

//设置窗体

jFrame.setBounds(200,200,400,300);

jFrame.setVisible(true);

jFrame.setResizable(false);

jFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

//添加监听

jButton.addActionListener(this);

//TCP网络通信

try {

serverSocket = new ServerSocket(9999);

socket = serverSocket.accept();//等待连接

dataInputStream = new DataInputStream(socket.getInputStream());

dataOutputStream = neizsExJjGYw DataOutputStream(socket.getOutputStream());

while(true) {//接收来自客户端的消息

String strClient = dataInputStream.readUTF();

jTextArea.append("客户端：" + strClient + "\n");

}

} catch (IOException e) {

e.printStackTrace();

}

}

@Override

public void actionPerformed(ActionEvent e) {

//监听发送按钮

if(e.getSource()==jButton){

String str = jTextField.getText();//获取文本框中的内容

if(str.length()==0)//发送内容为空

JOptionPane.showMessageDialog(jTextField,"发送内容不能为空");

else{

//将数据发送到客户端

try {

dataOutputStream.writeUTF(str);

jTextArea.append("服务器："+str + "\n");

jTextField.setText("");

} catch (IOException ioException) {

ioException.printStackTrace();

}

}

}

}

public static void main(String[] args) {

new ServerDemo01();

}

}

ClientDemo01.java

import javax.swing.*;

import java.awt.*;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.io.DataInputStream;

import java.io.DataOutputStream;

import java.io.IOException;

import java.net.Socket;

public class ClientDemo01 implements ActionListener {

private Socket socket;

private DataInputStream dataInputStream;

private DataOutputStream dataOutputStream;

private JFrame jFrame;

private JScrollPane jScrollPane;

private JTextArea jTextArea;

private JPanel jPanel;

private JTextField jTextField;

private JButton jButton;

public ClientDemo01() {

//创建组件

jFrame = new JFrame("客户端");

jTextArea = new JTextArea();

jScrollPane = new JScrollPane(jTextArea);

jPanel = new JPanel();

jTextField = new JTextField(20);

jButton = new JButton("发送");

//添加组件

jFrame.add(jScrollPane, BorderLayout.CENTER);

jFrame.add(jPanel,BorderLayout.SOUTH);

jPanel.add(jTextField);

jPanel.add(jButton);

//设置窗体

jFrame.setBounds(610,200,400,300);

jFrame.setVisible(true);

jFrame.setResizable(false);

jFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

//添加监听

jButton.addActionListener(this);

//TCP网络通信

try {

socket = new Socket("127.0.0.1",9999);

dataInputStream = new DataInputStream(socket.getInputStream());

dataOutputStream = new DataOutputStream(socket.getOutputStream());

//接收服务器的消息

while (true) {

String strServer = dataInputStream.readUTF();

jTextArea.append("服务器："+strServer + "\n");

}

} catch (IOException e) {

e.printStackTrace();

}

}

@Override

public void actionPerformed(ActionEvent e) {

if(e.getSource()==jButton){

String str = jTextField.getText();

if(str.length()==0)

JOptionPane.showMessageDialog(jTextField,"发送内容不能为空");

else{

try {

dataOutputStream.writeUTF(str);

jTextArea.append("客户端："+str + "\n");

jTextField.setText("");

} catch (IOException ioException) {

ioException.printStackTrace();

}

}

}

}

public static void main(String[] args) {

new ClientDemo01();

}

}

运行截图：

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