Java--Socket通信（双向,有界面）

 

服务端：

 

import java.awt.BorderLayout;

import java.awt.Dimension;

import java.awt.Toolkit;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStreamReader;

import java.io.PrintWriter;

import java.net.ServerSocket;

import java.net.Socket;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JPanel;

import javax.swing.JScrollPane;

import javax.swing.JSplitPane;

import javax.swing.JTextArea;



public class ChatFrameServer{

	

	private PrintWriter pw;

	private JFrame frame;

	private JPanel pane_buttom;

	private JSplitPane pane_center;



	//显示内容的文本框，输入内容的文本框，发送内容按钮

	private JScrollPane pane_showWindow;

	private JScrollPane pane_inputWindow;

	private JTextArea area_showWindow;

	private JTextArea area_inputWindow;

	

	private JButton btn_send;



	private Dimension dimension;//用于设置area_showWindow可拖拉的大小



	//初始化

	public ChatFrameServer() {

		frame = new JFrame();

		pane_buttom = new JPanel();

		pane_showWindow = new JScrollPane();

		pane_inputWindow = new JScrollPane();

		area_showWindow = new JTextArea();

		area_inputWindow = new JTextArea();

		pane_center = new JSplitPane(JSplitPane.VERTICAL_SPLIT, false, pane_showWindow, pane_inputWindow);

		btn_send = new JButton("发送");



		dimension = new Dimension(50, 300);



	}



	//调用方法显示窗口

	public void showFrame(){

		initFrame();

		initChatTextArea();

		initButton();

		btn_send();

		socket();

	}



	//主窗体

	public void initFrame(){

		frame.setTitle("服务端");

		int width = (int)Toolkit.getDefaultToolkit().getScreenSize().getWidth();

		int height = (int)Toolkit.getDefaultToolkit().getScreenSize().getHeight();

		frame.setBounds(width / 2, height / 2, 400, 450);

		frame.setVisible(true);

	}



	//内容显示文本框和输入内容文本框

	private void initChatTextArea(){

		//取得视图焦点

		pane_showWindow.getViewport().add(area_showWindow);

		pane_inputWindow.getViewport().add(area_inputWindow);

		//将显示文本域设置为不可编辑

		area_showWindow.setEditable(false);

		//设置显示文本域可拖拉的大小 

		pane_showWindow.setMinimumSize(dimension);

		frame.add(pane_center, BorderLayout.CENTER);

	}



	//发送文件，发送内容按钮

	public void initButton(){

		pane_buttom.add(btn_send);

		frame.add(pane_buttom, BorderLayout.SOUTH);

	}





	private void btn_send(){

		btn_send.addActionListener(new ActionListener() {



			@Override

			public void actionPerformed(ActionEvent e) {

				String info = area_inputWindow.getText();

				area_showWindow.append("服务端："+info+"\r\n");

				pw.println(info);

				area_inputWindow.setText("");

			}

		});

	}

	private void socket(){

		ServerSocket ss;

		try {

			ss = new ServerSocket(9988);

			//等待连接 客户端

			Socket s=ss.accept();

			InputStreamReader isr=new InputStreamReader(s.getInputStream());

			BufferedReader br=new BufferedReader(isr);

			//PrintWriter必须和socket有密切的关系

			pw=new PrintWriter(s.getOutputStream(),true);



			//读取从客户端法发来的信息

			while(true) {

				//读取从客户端发来的信息

				String info=br.readLine();

				//在文本栏里显示

				area_showWindow.append("客户端:"+info+"\r\n");

			}

		} catch (IOException e) {

			e.printStackTrace();

		}

	}

	public static void main(String[] args) {

		ChatFrameServer chat = new ChatFrameServer();

		chat.showFrame();

	}

}

 

客户端：

 

import java.awt.BorderLayout;

import java.awt.Dimension;

import java.awt.Toolkit;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStreamReader;

import java.io.PrintWriter;

import java.net.Socket;

import java.net.UnknownHostException;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JPanel;

import javax.swing.JScrollPane;

import javax.swing.JSplitPane;

import javax.swing.JTextArea;



public class ChatFrame{

	private PrintWriter pw;

	private JFrame frame;

	private JPanel pane_buttom;

	private JSplitPane pane_center;



	//显示内容的文本框，输入内容的文本框,发送内容按钮

	private JScrollPane pane_showWindow;

	private JScrollPane pane_inputWindow;

	private JTextArea area_showWindow;

	private JTextArea area_inputWindow;



	private JButton btn_send;



	private Dimension dimension;//用于设置area_showWindow可拖拉的大小





	//初始化

	public ChatFrame() {

		frame = new JFrame();

		pane_buttom = new JPanel();

		pane_showWindow = new JScrollPane();

		pane_inputWindow = new JScrollPane();

		area_showWindow = new JTextArea();

		area_inputWindow = new JTextArea();

		pane_center = new JSplitPane(JSplitPane.VERTICAL_SPLIT, false, pane_showWindow, pane_inputWindow);

		btn_send = new JButton("发送");



		dimension = new Dimension(50, 300);

	}



	//调用方法显示窗口

	public void showFrame(){

		initFrame();

		initChatTextArea();

		initButton();

		btn_send();

		socket();

	}



	//主窗体

	public void initFrame(){

		frame.setTitle("客户端");

		int width = (int)Toolkit.getDefaultToolkit().getScreenSize().getWidth();

		int height = (int)Toolkit.getDefaultToolkit().getScreenSize().getHeight();

		frame.setBounds(width / 2, height / 2, 400, 450);

		frame.setVisible(true);

	}



	//内容显示文本框和输入内容文本框

	private void initChatTextArea(){

		//取得视图焦点

		pane_showWindow.getViewport().add(area_showWindow);

		pane_inputWindow.getViewport().add(area_inputWindow);

		//将显示文本域设置为不可编辑

		area_showWindow.setEditable(false);

		//设置显示文本域可拖拉的大小 

		pane_showWindow.setMinimumSize(dimension);

		frame.add(pane_center, BorderLayout.CENTER);

	}



	//发送文件，发送内容按钮

	public void initButton(){

		pane_buttom.add(btn_send);

		frame.add(pane_buttom, BorderLayout.SOUTH);

	}



	private void btn_send(){

		btn_send.addActionListener(new ActionListener() {



			@Override

			public void actionPerformed(ActionEvent e) {

				String info = area_inputWindow.getText();

				area_showWindow.append("客户端： "+info+"\r\n");

				pw.println(info);

				area_inputWindow.setText("");

			}

		});

	}

	

	private void socket(){

		try {

			Socket s = new Socket("127.0.0.1",9988);

			InputStreamReader isr=new InputStreamReader(s.getInputStream());

			BufferedReader br=new BufferedReader(isr);

			pw=new PrintWriter(s.getOutputStream(),true);

			while(true){

				//不停地读取从服务器端发来的信息

				String info=br.readLine();

				area_showWindow.append("服务端： "+info+"\r\n");

			}

		} catch (UnknownHostException e) {

			e.printStackTrace();

		} catch (IOException e) {

			e.printStackTrace();

		}

	}

	public static void main(String[] args) {

		ChatFrame chat = new ChatFrame();

		chat.showFrame();

	}

}