Socket简易聊天工具

演示

• 代码运行如图，看起来还不错，哈哈哈

服务端

package qiu;import java.awt.BorderLayout;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.awt.print.Printable;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 java.util.Calendar;import javax.swing.JButton;import javax.swing.JFrame;import javax.swing.JPanel;import javax.swing.JScrollPane;import javax.swing.JTextArea;import javax.swing.JTextField;/** *  简单聊天软件的服务器 * */public class MyServer extends JFrame implements ActionListener{    JTextArea jTextArea =null;//用来显示纯文本的单行区域    JTextField jTextField=null;//可以允许用来编辑单行文本    JButton sendButton=null;    JPanel jPanel=null;    JScrollPane jScrollPane =null;    //把信息发给客户端对象    PrintWriter printWriter =null;/**  *  服务端的主函数  * */public static void main(String[] args) {    // TODO Auto-generated method stub       new MyServer();}/** *  服务端的构造函数,用来进行初始化 * */public MyServer(){    //这里是对GUI的初始化    jTextArea = new JTextArea();    jTextField= new JTextField(20);    sendButton= new JButton("发送");    sendButton.addActionListener(this);    sendButton.setActionCommand("send");    jScrollPane= new JScrollPane(jTextArea);    jPanel = new JPanel();    jPanel.add(jTextField);//添加编辑框    jPanel.add(sendButton);//添加按钮    //将两个面板添加布局    this.add(jScrollPane,BorderLayout.CENTER);    this.add(jPanel,BorderLayout.SOUTH);    this.setSize(400,300);    this.setTitle("聊天服务器");    this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);//设置退出按钮    this.setVisible(true);    this.setResizable(true);        //下面是socket服务器的搭建    try {        //服务器监听        ServerSocket ss = new ServerSocket(9988);        //等待客户端连接        Socket socket = ss.accept();        //获得客户端发送过来的数据的流        BufferedReader br = new BufferedReader                (new InputStreamReader(socket.getInputStream()));        printWriter = new PrintWriter(socket.getOutputStream(),true);        //读取从客户端发送过来的信息        while(true){            String info = br.readLine();            jTextArea.append("客户端 "+getTime()+"\r\n"+info+"\r\n");        }    } catch (IOException e) {        // TODO Auto-generated catch block        e.printStackTrace();    }   }/** * 用来获取当前的时间 * @return 当前的时间 */public String getTime(){    //可以对每个单独时间域进行修改    Calendar c = Calendar.getInstance();    int hour = c.get(Calendar.HOUR_OF_DAY);//获取小时    int minute = c.get(Calendar.MINUTE);    int second = c.get(Calendar.SECOND);    return hour+":"+minute+":"+second;     }/** * 当button被点击的时候调用 */@Overridepublic void actionPerformed(ActionEvent e) {    // TODO Auto-generated method stub    //当按钮按下的时候调用    if(e.getActionCommand().equals("send")){        //把服务器在jTextField写的内容发送给客户端        String info= jTextField.getText();        jTextArea.append("服务器 "+getTime()+"\r\n"+info+"\r\n");        printWriter.println(info);        //清楚发送框内容        jTextField.setText("");        }       }}

客户端

package qiu;import java.awt.BorderLayout;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 java.util.Calendar;import javax.swing.JButton;import javax.swing.JFrame;import javax.swing.JPanel;import javax.swing.JScrollPane;import javax.swing.JTextArea;import javax.swing.JTextField;/** * 简单聊天软件的客户端 * */public class MyClient extends JFrame implements ActionListener{    JTextArea jTextArea=null;    JTextField jTextField=null;    JPanel jPanel=null;    JScrollPane jScrollPane=null;    JButton sendButton=null;    PrintWriter printWriter=null;/**  *  客户端的主函数  * */public static void main(String[] args) {    // TODO Auto-generated method stub      new MyClient();}/** * 客户端构造函数用来初始化 * */public MyClient(){    //GUI初始化    jTextArea= new JTextArea();    jTextField=new JTextField(20);    sendButton= new JButton("发送");    sendButton.addActionListener(this);    sendButton.setActionCommand("send");    jScrollPane=new JScrollPane(jTextArea);    jPanel=new JPanel();    jPanel.add(jTextField);    jPanel.add(sendButton);    this.add(jScrollPane,BorderLayout.CENTER);    this.add(jPanel,BorderLayout.SOUTH);    this.setSize(400, 300);    this.setTitle("聊天客户端");    this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);    this.setVisible(true);    this.setResizable(true);        //socket通信代码     try {        Socket s= new Socket("127.0.0.1",9988);        BufferedReader br = new BufferedReader                (new InputStreamReader(s.getInputStream()));        printWriter= new PrintWriter(s.getOutputStream(),true);        while(true){            //不停的读取服务器发过来的信息            String string=br.readLine();            jTextArea.append("服务器 "+getTime()+"\r\n"+string+"\r\n");            }    } catch (UnknownHostException e) {        // TODO Auto-generated catch block        e.printStackTrace();    } catch (IOException e) {        // TODO Auto-generated catch block        e.printStackTrace();    }}/**  * 用来获取当前的时间  * @return 当前的时间  */public String getTime(){    //可以对每个单独时间域进行修改    Calendar c = Calendar.getInstance();    int hour = c.get(Calendar.HOUR_OF_DAY);//获取小时    int minute = c.get(Calendar.MINUTE);    int second = c.get(Calendar.SECOND);    return hour+":"+minute+":"+second;  }/**  * 当button被点击的时候调用  */@Overridepublic void actionPerformed(ActionEvent e) {    // TODO Auto-generated method stub    if(sendButton.getActionCommand().equals("send")){        String info= jTextField.getText();        //将客户端发送的信息发送给服务端        jTextArea.append("客户端 "+getTime()+"\r\n"+info+"\r\n");        printWriter.println(info);        jTextField.setText("");        }    }}