Java基础-网络编程(自定义图形界面浏览器-Tomcat服务端)

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

class MyIEByGUI
{
private Frame f;
private TextField tf;
private Button but;
private TextArea ta;

private Dialog d;
private Label lab;
private Button okBut;

MyIEByGUI()
{
init();
}
public void init()
{
f = new Frame("my window");
f.setBounds(300,100,600,500);
f.setLayout(new FlowLayout());

tf = new TextField(60);

but = new Button("转到");

ta = new TextArea(25,70);

d = new Dialog(f,"提示信息-self",true);
d.setBounds(400,200,240,150);
d.setLayout(new FlowLayout());
lab = new Label();
okBut = new Button("确定");

d.add(lab);
d.add(okBut);

f.add(tf);
f.add(but);
f.add(ta);

myEvent();
f.setVisible(true);
}

private void myEvent()
{
okBut.addActionListener(new ActionListener()
{
public void actionPerformed(ActionEvent e)
{
d.setVisible(false);
}
});
d.addWindowListener(new WindowAdapter()
{
public void windowClosing(WindowEvent e)
{
d.setVisible(false);
}
});

tf.addKeyListener(new KeyAdapter()
{
public void keyPressed(KeyEvent e)
{
try
{
if(e.getKeyCode()==KeyEvent.VK_ENTER)
showDir();
}
catch(Exception ex)
{}

}
});

but.addActionListener(new ActionListener()
{
public void actionPerformed(ActionEvent e)
{
try
{
showDir();
}
catch(Exception ex)
{}
}
});
f.addWindowListener(new WindowAdapter()
{
public void windowClosing(WindowEvent e)
{
System.exit(0);
}
});
}

public void showDir()throws Exception
{
ta.setText("");
String url = tf.getText();//http;//192.168.0.100:8080/myweb/demo.html

int index1 = url.indexOf("//")+2;
int index2 = url.indexOf("/",index1);

String str = url.substring(index1,index2);
String[] arr = str.split(":");
String host = arr[0];
int port = Integer.parseInt(arr[2]);

String path = url.substring(index2);
// ta.setText(str+"..."+path);

// Socket s = new Socket("192.168.0.100",8080);
Socket s = new Socket(host,port);

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

// out.println("GET /myweb/demo.html HTTP/1.1");
out.println("GET "+path+" HTTP/1.1");
out.println("Accept: */*");
out.println("Accept-Language: zh-CN");
out.println("Host: 192.168.0.100:11000");
// out.println("Connection: Keep-Alive");
out.println("Connection: closed");

out.println();
out.println();

BufferedReader bufr = new BufferedReader(new InputStreamReader(s.getInputStream()));

String line = null;

while((line=bufr.readLine())!=null)
{
// System.out.println(line);
ta.append(line+"\r\n");
}
s.close();
}
public static void main(String[] args)
{
new MyIEByGUI();
}
}