lookup.java

类似qq的以c/s结构和p2p结构结合的聊天软件。

package com.client;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.Image;
import javax.swing.ImageIcon;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.net.Socket;

import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JTextField;
import javax.swing.ImageIcon;

class Lookup extends JDialog 
{

	private JTextField name;
	private String acounts;
	private String results;
	private ObjectOutputStream out ;
    private ObjectInputStream in;
    private String[] lookupMessage;
    private static String serverIP;
	public Lookup() 
	{
		super();
		serverIP=MainFrame.serverIP;
		setTitle("查找好友");
		getContentPane().setLayout(null);
		setBounds(100, 100, 323, 238);

		name = new JTextField();
		name.setBounds(141, 117, 146, 20);
		getContentPane().add(name);

		final JLabel label = new JLabel();
		label.setText("在此输入对方帐号");
		label.setBounds(141, 71, 123, 20);
		getContentPane().add(label);

		final JButton lookup = new JButton();
		lookup.addActionListener(new ActionListener()
		{
			public void actionPerformed(ActionEvent arg0) 
			{
				acounts=name.getText();
				try
			     {
			         Socket sk=new Socket(serverIP,7777);
			         out=new ObjectOutputStream(sk.getOutputStream());
					 in=new ObjectInputStream(sk.getInputStream());
					 lookupMessage=new String[2];
					 lookupMessage[0]="lookup";
					 lookupMessage[1]=acounts;
					 out.writeObject(lookupMessage);
					 out.flush();
					 results=(String)in.readObject();
					 if(results.equals("failed"))
					 {
						 MessageDialog dialog=new MessageDialog("没有此用户!");
		    	         dialog.setSize(331, 163);
		    	         return;
					 }
					 else
					 {
						LookupSuccess successDialog=new LookupSuccess(acounts,results);
						successDialog.setVisible(true);
						dispose();
					 }
			     }catch(Exception ce){}
				
			}
		});
		lookup.setText("查找");
		lookup.setBounds(32, 176, 99, 23);
		getContentPane().add(lookup);

		final JButton close = new JButton();
		close.addActionListener(new ActionListener() 
		{
			public void actionPerformed(ActionEvent arg0)
			{
				dispose();
			}
		});
		close.setText("取消");
		close.setBounds(170, 176, 99, 23);
		getContentPane().add(close);

		final JLabel label_1 = new JLabel();
		label_1.setIcon(new ImageIcon(this.getClass().getResource("image/find.jpg")));
		label_1.setBounds(10, 10, 106, 148);
		getContentPane().add(label_1);
		//
	}
}