clientrev1.java

学习java编程的好程序

import java.io.*;
import java.net.*;
import java.awt.*;
import java.awt.event.*;
///构建一个图形界面
///界面中ta指文本区，用来显示聊天结果的
///tf是指文本框
public class clientrev1 extends Frame 
{
  Socket socket1;
  private DataInputStream reader1;
  private DataOutputStream writer1;
  private TextArea ta=new TextArea();
  private TextField tf=new TextField();
  public clientrev1(String title)
  {
    super(title);
    ta.setEditable(false);
    add(ta,"North");
add(tf,"South");
///通过按钮的动作，开始将输出流输送到屏幕中
    tf.addActionListener(new ActionListener()
    {
      public void actionPerformed(ActionEvent ae)
      {
        try
    {
        writer1.writeUTF(tf.getText());
        writer1.flush();
        String fileinfo=reader1.readUTF();
        ta.setText("<"+tf.getText()+"的内容>\n\n");
        ta.append(fileinfo);
      }
  catch(Exception e){}
}
    });
    pack();
  }
  
  private void connect()
    {
      try
      {
      ta.append("尝试与服务器连接\n");      
      socket1=new Socket("127.0.0.1",6000);
      ta.append("连接完毕。。。。请输入文件名\n");
      writer1=new DataOutputStream (socket1.getOutputStream());
      reader1=new DataInputStream(socket1.getInputStream());
    }
    catch(Exception e)
    {
      System.out.println("连接失败");
    }
  }
  public static void main(String[] args)
  { 
   clientrev1 client1=new clientrev1("查看服务器系统文件。");
   client1.setVisible(true);
     client1.connect();
  }
}