frame2.java~11~

这是一个网络编程原码,用于传递消息的简单程序.

package untitled4;

import javax.swing.*;
import java.awt.*;
import java.net.*;
import java.io.*;
import java.awt.event.*;

public class Frame2 extends JFrame {
  JPanel jPanel1 = new JPanel();
  JTextField txtr = new JTextField();
  JScrollPane jScrollPane1 = new JScrollPane();
  JTextArea clienttext = new JTextArea();
  JButton jButton1 = new JButton();
  Socket clientSocket;
  BufferedReader in;
  PrintWriter out;

  public Frame2() {
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  public static void main(String[] args) {
    Frame2 frame2 = new Frame2();
    frame2.setBounds(100,100,400,400);
    frame2.setVisible(true);
    try{
      frame2.clientSocket = new Socket("localhost", 1234);
    }catch(IOException e)
    {
      System.out.println("连接服务器失败");
    }


  }
  private void jbInit() throws Exception {
    jPanel1.setLayout(null);
    txtr.setFont(new java.awt.Font("Dialog", 0, 20));
    txtr.setText("");
    txtr.setBounds(new Rectangle(12, 12, 315, 32));
    jScrollPane1.setBounds(new Rectangle(14, 61, 310, 218));
    jButton1.setBounds(new Rectangle(330, 11, 65, 35));
    jButton1.setFont(new java.awt.Font("Dialog", 0, 13));
    jButton1.setMargin(new Insets(2, 14, 2, 14));
    jButton1.setText("计算");
    jButton1.addActionListener(new Frame2_jButton1_actionAdapter(this));
    clienttext.setFont(new java.awt.Font("Dialog", 0, 20));
    clienttext.setText("");
    this.addWindowListener(new Frame2_this_windowAdapter(this));
    this.setTitle("客户端");
    this.getContentPane().add(jPanel1, BorderLayout.CENTER);
    jPanel1.add(txtr, null);
    jPanel1.add(jScrollPane1, null);
    jPanel1.add(jButton1, null);
    jScrollPane1.getViewport().add(clienttext, null);
  }

  void jButton1_actionPerformed(ActionEvent e) {
String r=txtr.getText().trim() ;
    try{
      out = new PrintWriter(clientSocket.getOutputStream());
      in=new BufferedReader(new InputStreamReader(clientSocket.getInputStream()));
      out.println(r);
      out.flush();
      clienttext.append("接收服务器端的面积值："+in.readLine()+"\n");
  }catch(IOException e1)
    {

    }

  }

  void this_windowClosing(WindowEvent e) {
System.exit(0);
  }
}

class Frame2_jButton1_actionAdapter implements java.awt.event.ActionListener {
  Frame2 adaptee;

  Frame2_jButton1_actionAdapter(Frame2 adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jButton1_actionPerformed(e);
  }
}

class Frame2_this_windowAdapter extends java.awt.event.WindowAdapter {
  Frame2 adaptee;

  Frame2_this_windowAdapter(Frame2 adaptee) {
    this.adaptee = adaptee;
  }
  public void windowClosing(WindowEvent e) {
    adaptee.this_windowClosing(e);
  }
}