Java 基于socket thread 简单聊天程序

最新推荐文章于 2022-07-26 16:19:27 发布

leoIsCoding

最新推荐文章于 2022-07-26 16:19:27 发布

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分类专栏： ----2.1.1.javaSE

本文链接：https://blog.youkuaiyun.com/lc0817/article/details/43866467

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本文介绍了一个简单的聊天室应用程序，包括客户端和服务端的实现。该程序使用Java编写，利用Socket进行网络通信，通过GUI界面展示聊天记录，并支持消息发送、记录清除及保存等功能。

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Server:

package app2;

import java.awt.event.*;
import java.io.*;
import java.net.*;
import java.text.SimpleDateFormat;
import java.util.Date;

import javax.swing.*;

public class Server extends JFrame {
	ServerSocket ss;
	Socket socket;
	Date date;
	SimpleDateFormat sdf;
	PrintWriter pw;
	JTextArea jta1, jta2;
	JScrollPane jsp1, jsp2;
	JButton submit, clear, save;

	public static void main(String[] args) {
		new Server();
	}

	private void setJTA(JTextArea jta) {
		jta.setLineWrap(true);
		jta.setCaretPosition(jta.getText().length());
	}

	public Server() {
		super("Server");
		try {
			date = new Date();
			sdf = new SimpleDateFormat("HH:mm:ss");
			
			mouseListener m = new mouseListener();
			jta1 = new JTextArea(15, 15);
			jsp1 = new JScrollPane(jta1);
			jta2 = new JTextArea(2, 15);
			jsp2 = new JScrollPane(jta2);
			submit = new JButton("Submit");
			clear = new JButton("Clear");// clear jta1 and jta2;
			save = new JButton("Save");// save chatting record;

			submit.addMouseListener(m);
			clear.addMouseListener(m);
			save.addMouseListener(m);

			jta1.setEditable(false);
			jsp1.setBounds(5, 5, 285, 180);
			jsp2.setBounds(5, 190, 285, 40);
			submit.setBounds(5, 235, 80, 30);
			save.setBounds(110, 235, 80, 30);
			clear.setBounds(210, 235, 80, 30);

			setJTA(jta1);
			setJTA(jta2);

			add(jsp1);
			add(jsp2);
			add(submit);
			add(clear);
			add(save);
			
			ss = new ServerSocket(9000);
			socket = ss.accept();
			pw = new PrintWriter(socket.getOutputStream(), true);
			new receive(socket);

			setSize(300, 300);
			setLayout(null);
			setDefaultCloseOperation(EXIT_ON_CLOSE);
			setLocationRelativeTo(null);
			setResizable(false);
			setVisible(true);
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	class receive extends Thread {
		private BufferedReader br;

		public receive(Socket socekt) {
			try {
				br = new BufferedReader(new InputStreamReader(
						socket.getInputStream()));
			} catch (Exception e) {
				e.printStackTrace();
			}
			this.start();
		}

		public void run() {
			try {
				while (true) {
					jta1.append("\n" + sdf.format(date) + " Received: \n    "
							+ br.readLine() + "\n");
					jta1.moveCaretPosition(jta1.getText().length());
				}
			} catch (Exception e) {
				e.printStackTrace();
			}

		}
	}

	class mouseListener extends MouseAdapter {
		private void mSubmit() {
			String str = jta2.getText();
			pw.println(str);
			jta1.append("\n"+sdf.format(date)+" Sent: " + str);
			jta2.setText("");
		}

		private void mClear() {
			jta1.setText("");
			jta2.setText("");

		}

		private void mSave() {
			FileWriter fw = null;
			try {
				fw = new FileWriter("C:/Server Chatting Record.txt");
				fw.write(jta1.getText());
			} catch (IOException e) {
				e.printStackTrace();
			} finally {
				try {
					fw.close();
				} catch (IOException e) {
					e.printStackTrace();
				}
			}
		}

		public void mouseClicked(MouseEvent e) {
			JButton jb = (JButton) e.getSource();
			if (!jta2.getText().equals("") && jb.getText() == "Submit")
				mSubmit();
			else if (jb.getText() == "Clear")
				mClear();
			else if (jb.getText() == "Save")
				mSave();
		}
	}
}

Client:

package app2;

import java.awt.event.*;
import java.io.*;
import java.net.Socket;
import java.text.SimpleDateFormat;
import java.util.Date;

import javax.swing.*;

public class Client extends JFrame {
	Date date;
	SimpleDateFormat sdf;
	Socket socket;
	PrintWriter pw;
	JTextArea jta1, jta2;
	JScrollPane jsp1, jsp2;
	JButton submit, clear, save;

	public static void main(String[] args) {
		new Client();
	}

	private void setJTA(JTextArea jta) {
		jta.setLineWrap(true);
		jta.setCaretPosition(jta.getText().length());
	}

	public Client() {
		super("Client");
		try {
			date = new Date();
			sdf = new SimpleDateFormat("HH:mm:ss");

			mouseListener m = new mouseListener();
			jta1 = new JTextArea(15, 15);
			jsp1 = new JScrollPane(jta1);
			jta2 = new JTextArea(2, 15);
			jsp2 = new JScrollPane(jta2);
			submit = new JButton("Submit");
			clear = new JButton("Clear");// clear jta1 and jta2;
			save = new JButton("Save");// save chatting record.

			submit.addMouseListener(m);
			clear.addMouseListener(m);
			save.addMouseListener(m);

			jta1.setEditable(false);
			jsp1.setBounds(5, 5, 285, 180);
			jsp2.setBounds(5, 190, 285, 40);
			submit.setBounds(5, 235, 80, 30);
			save.setBounds(110, 235, 80, 30);
			clear.setBounds(210, 235, 80, 30);

			setJTA(jta1);
			setJTA(jta2);

			add(jsp1);
			add(jsp2);
			add(submit);
			add(clear);
			add(save);

			socket = new Socket("127.0.0.1", 9000);
			new receive(socket);
			pw = new PrintWriter(socket.getOutputStream(), true);
			setSize(300, 300);
			setLayout(null);
			setDefaultCloseOperation(EXIT_ON_CLOSE);
			setLocationRelativeTo(null);
			setResizable(false);
			setVisible(true);
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	class receive extends Thread {
		private BufferedReader br;

		public receive(Socket socekt) {
			try {
				br = new BufferedReader(new InputStreamReader(
						socket.getInputStream()));
			} catch (Exception e) {
				e.printStackTrace();
			}
			this.start();
		}

		public void run() {
			try {
				while (true) {
					jta1.append("\n" + sdf.format(date) + "Received: \n    "
							+ br.readLine() + "\n");
					jta1.moveCaretPosition(jta1.getText().length());
				}
			} catch (Exception e) {
				e.printStackTrace();
			}

		}
	}

	class mouseListener extends MouseAdapter {
		private void mSubmit() {
			String str = jta2.getText();
			pw.println(str);
			jta1.append("\n" + sdf.format(date) + " Sent: " + str);
			jta2.setText("");
		}

		private void mClear() {
			jta1.setText("");
			jta2.setText("");

		}

		private void mSave() {
			FileWriter fw = null;
			try {
				fw = new FileWriter("C:/Client Chatting Record.txt");
				fw.write(jta1.getText());
			} catch (IOException e) {
				e.printStackTrace();
			} finally {
				try {
					fw.close();
				} catch (IOException e) {
					e.printStackTrace();
				}
			}
		}

		public void mouseClicked(MouseEvent e) {
			JButton jb = (JButton) e.getSource();
			if (!jta2.getText().equals("") && jb.getText() == "Submit")
				mSubmit();
			else if (jb.getText() == "Clear")
				mClear();
			else if (jb.getText() == "Save")
				mSave();
		}
	}

}

效果图: