Socket网络编程

来源：互联网发布：淘宝导航尺寸是多少编辑：程序博客网时间：2024/06/07 15:41

一：单双工

MyClient.java

/* * 这是客户端 */package com.test1;//MyClient.javaimport java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.io.PrintWriter;import java.net.Socket;import java.net.UnknownHostException;public class MyClient {    public static void main(String[] args) {        MyClient mc1 = new MyClient();    }    public MyClient(){        try {            //Socket（）就是去连接某个服务器端， 192.168.159.1是服务器的IP，9999端口号            Socket s = new Socket("192.168.159.1",9999);            //如果socket连接成功，就可以发送数据给服务器            //通过PW，向S写数据 , true表示即时刷新            PrintWriter pw = new PrintWriter(s.getOutputStream(),true);            pw.println("你好我是客户端");            InputStreamReader isr = new InputStreamReader(s.getInputStream());            BufferedReader br = new BufferedReader(isr);            String response = br.readLine();            System.out.println("我是客户端，我收到服务器送回的消息："+response);        } catch (UnknownHostException e) {            // TODO Auto-generated catch block            e.printStackTrace();        } catch (IOException e) {            // TODO Auto-generated catch block            e.printStackTrace();        }    }}1
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MyServer.java

/* * 单双工 */package com.test1;//MyServer.javaimport java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.io.PrintWriter;import java.net.ServerSocket;import java.net.Socket;public class Myserverl {    public static void main(String[] args) {        Myserverl msl = new Myserverl();    }    public Myserverl() {        try {            // 在9999号端口监听            ServerSocket ss = new ServerSocket(9999);            System.out.println("我是服务器，在9999端口监听。。。");            // 等到某个客户端来连接，该函数返回一个socket连接            Socket s = ss.accept();            // 要读取S中传递的数据            InputStreamReader isr = new InputStreamReader(s.getInputStream());            BufferedReader br = new BufferedReader(isr);            String info = br.readLine();            System.out.println("服务器接收到数据是：" + info);            PrintWriter pw = new PrintWriter(s.getOutputStream(),true);            pw.println("我是服务器，你也好");        } catch (IOException e) {            // TODO Auto-generated catch block            e.printStackTrace();        }    }}1
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二：半双工

MyClient2.java

package com.test2;//MyClient2.javaimport java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.io.PrintWriter;import java.net.Socket;import java.net.UnknownHostException;public class MyClietn2 {    public static void main(String[] args) {        // TODO Auto-generated method stub        MyClietn2 mc = new MyClietn2();    }    public MyClietn2(){        try {            Socket s = new Socket("192.168.159.1",9999);            PrintWriter pw = new PrintWriter(s.getOutputStream(),true);            InputStreamReader isr = new InputStreamReader(System.in);            BufferedReader br = new BufferedReader(isr);            InputStreamReader isr2 = new InputStreamReader(s.getInputStream());            BufferedReader br2 = new BufferedReader(isr2);            while(true)            {                System.out.println("请输入你想对服务器说的话： ");//              客户端先从控制台接收                String info = br.readLine();//              然后发送给服务器                pw.println(info);//              退出                if(info.equals("bye")){                     s.close();                     break;                }//              接收从服务器发送来的话                String res = br2.readLine();                System.out.println("服务器说 ： "+res);            }        } catch (UnknownHostException e) {            // TODO Auto-generated catch block            e.printStackTrace();        } catch (IOException e) {            // TODO Auto-generated catch block            e.printStackTrace();        }    }}1
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MyServer2.java

/* * 服务器 端口号：9999 * 通过控制台，输入会送给客户端的信息  半双工 */package com.test2;//MyServer2.javaimport java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.io.PrintWriter;import java.net.ServerSocket;import java.net.Socket;public class MyServer2 {    public static void main(String[] args) {        // TODO Auto-generated method stub         MyServer2 ms = new MyServer2();    }    public MyServer2() {        try {//          在端口号9999监听            ServerSocket ss = new ServerSocket(9999);            System.out.println("我是服务器，在9999端口监听。。。");//          等待连接            Socket s = ss.accept();//          先接收客户端发送来的消息            InputStreamReader isr = new InputStreamReader(s.getInputStream());            BufferedReader br = new BufferedReader(isr);//          向客户端写数据            PrintWriter pw = new PrintWriter(s.getOutputStream(),true);//          接受从控制台输入的信息            InputStreamReader isr2 = new InputStreamReader(System.in);            BufferedReader br2 = new BufferedReader(isr2);            while (true) {                String infoFromClient = br.readLine();                System.out.println("客户点发来：" + infoFromClient);                if(infoFromClient.equals("bye")){                    System.out.println("退出");                    s.close();                    break;                }//              接收从控制台输入的信息                 System.out.println("输入你想对客户端说的话 ： ");                 String response = br2.readLine();//               把从控制台接受的信息，回送到客户端                 pw.println(response);             }        } catch (IOException e) {            // TODO Auto-generated catch block            e.printStackTrace();        }    }}1
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三：全双工

Myclient3.java

package com.test3;//Myclient3.javaimport 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.JTextArea;import javax.swing.JTextField;public class MyClient3 extends JFrame implements ActionListener {    JTextArea jta = null;    JTextField jtf = null;    JScrollPane jsp = null;    JButton jb = null;    JPanel jp1 = null;    PrintWriter pw = null;    public static void main(String[] args) {        MyClient3 my = new MyClient3();    }    public MyClient3() {        jta = new JTextArea();        jsp = new JScrollPane(jta);        jtf = new JTextField(20);        jb = new JButton("发送");        jb.addActionListener(this);        jp1 = new JPanel();        jp1.add(jtf);        jp1.add(jb);        this.add(jsp, "Center");        this.add(jp1, "South");        this.setTitle("QQ简易聊天  客户端");        this.setSize(400, 300);        this.setVisible(true);        try {        //IP为本机IP            Socket s = new Socket("192.168.***.*", 9998);            InputStreamReader isr = new InputStreamReader(s.getInputStream());            BufferedReader br = new BufferedReader(isr);            pw = new PrintWriter(s.getOutputStream(),true);            while (true) {                // 读取服务器发来的信息                String info = br.readLine();                jta.append("服务器对客户端说： "+info+"\r\n");            }        } catch (UnknownHostException e) {            e.printStackTrace();        } catch (IOException e) {            e.printStackTrace();        }    }    @Override    public void actionPerformed(ActionEvent arg0) {        if(arg0.getSource()==jb){            String info = jtf.getText();//          把客户端发送的信息显示到jta;            jta.append("客户端对服务器说： "+info+"\r\n");            pw.println(info);            jtf.setText("");        }    }}1
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MyServer3.java

/* * 全双工 */package com.test3;//MyServer3.javaimport 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.JTextArea;import javax.swing.JTextField;public class MyServer3 extends JFrame implements ActionListener{    JTextArea jta = null;    JTextField jtf = null;    JScrollPane jsp = null;    JButton jb = null;    JPanel jp1 = null;//  把信息发送给客户端的对象    PrintWriter pw=null;    public static void main(String[] args) {        MyServer3 my = new MyServer3();    }    public MyServer3() {        jta = new JTextArea();        jsp = new JScrollPane(jta);        jtf = new JTextField(20);        jb = new JButton("发送");        jb.addActionListener(this);        jp1 = new JPanel();        jp1.add(jtf);        jp1.add(jb);        this.add(jsp, "Center");        this.add(jp1, "South");        this.setTitle("QQ简易聊天 服务器");        this.setSize(400, 300);        this.setVisible(true);        // 服务器监听        try {            //服务器监听             ServerSocket ss = new ServerSocket(9998);            Socket s = ss.accept();            InputStreamReader isr = new InputStreamReader(s.getInputStream());            BufferedReader br = new BufferedReader(isr);            pw = new PrintWriter(s.getOutputStream(),true);//          读取从客户端发送来的消息            while(true){            String info = br.readLine();            jta.append("客户端对服务器说： "+info+"\r\n");            }        } catch (IOException e) {            // TODO Auto-generated catch block            e.printStackTrace();        }    }    @Override    public void actionPerformed(ActionEvent e) {        if(e.getSource()==jb){            //把服务器在JTF内容发送给客户端            String info = jtf.getText();            jta.append("服务器对客户端说： "+info+"\r\n");            pw.println(info);//          情况内容            jtf.setText("");        }    }}1
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test3运行效果图

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