findfriend.java

网络聊天程序

package Java.ICQ;

import java.awt.event.*;
import javax.swing.*;
import java.awt.*;
import java.io.*;
import java.util.*;
import javax.swing.table.*;

public class FindFriend extends JDialog 
{ 
	 JPanel panel1 = new JPanel();
     JLabel jLabel1 = new JLabel();
     JTable jTable1;
     ///JButton jButton1 = new JButton();
     //JButton jButton2 = new JButton();
     JButton jButton3 = new JButton();
     JButton jButton4 = new JButton();
     JScrollPane scrollpane = new JScrollPane();
     DefaultTableModel model;
     MainFrm mainFrm;
     Friend friend;
     Vector vector1,vector;
     
	public FindFriend(Frame frame,String title,boolean model,MainFrm mainFrm)
	{
		super(frame,title,model);
		this.mainFrm = mainFrm;
		initUI();
		addListener();
		try
		{
	       mainFrm.connectServer();
	       sendMessage();
		}
		catch(IOException e)
		{
			System.out.println("连接服务器失败");
		}
		catch(Exception cnfe)
		{
			System.out.println("从流中读取数据失败");
		}
	}
	//初始化界面
	public void initUI()
	{
		 panel1.setLayout(null);
        jLabel1.setBorder(null);
        jLabel1.setHorizontalAlignment(SwingConstants.CENTER);
        
        vector1 = new Vector();
        
        model = new DefaultTableModel(new Object[][]{},new Object[] {"QICQ号码","昵称","性别","来自"})
        {
         public boolean isCellEditable(int rowIndex, int mColIndex) 
         {
            return false;
		 }
		};
        jTable1 = new JTable(model);
        jLabel1.setText("下面是在线朋友");
        jLabel1.setBounds(new Rectangle(59, 16, 251, 29));
        scrollpane.setBounds(new Rectangle(22, 54, 344, 189));
        //jButton1.setBounds(new Rectangle(200, 256, 69, 28));
        //jButton1.setText("上一页");
       // jButton2.setBounds(new Rectangle(112, 255, 69, 28));
        //jButton2.setText("下一页");
        jButton3.setBounds(new Rectangle(285, 255, 69, 28));
        jButton3.setText("关闭");
        jButton4.setBounds(new Rectangle(27, 254, 69, 28));
        jButton4.setText("添加");
        scrollpane.getViewport().add(jTable1,null);
        getContentPane().add(panel1);
        
        panel1.add(scrollpane);
        panel1.add(jLabel1);
        panel1.add(jButton4);
        //panel1.add(jButton2);
        //panel1.add(jButton1);
        panel1.add(jButton3);
		
	}
	//为每个按钮添加事件
	public void addListener()
	{
		FindButtonListener listener = new FindButtonListener(this,mainFrm);
		//jButton1.addActionListener(listener);
		//jButton2.addActionListener(listener);
		jButton3.addActionListener(listener);
		jButton4.addActionListener(listener);
	}
	//向服务器发送消息
	public void sendMessage() throws Exception
	{
		try
		{
			mainFrm.connectServer();
		    mainFrm.out.println("find");
		    ObjectInputStream objInStream = new ObjectInputStream(mainFrm.socket.getInputStream());
            vector=(Vector)objInStream.readObject();
		    System.out.println(vector.size());
            Object[] ob1,ob2;
            for(int i=0;i<vector.size();i++)
            {
         	   friend=(Friend)vector.elementAt(i);
         	   ob1=new Object[]{friend.friendIcqno,friend.friendNickname.trim(),friend.friendSex.trim(),friend.friendPlace.trim()};
         	
         	   //ob2=new Object[]{friend.friendEmail,friend.friendIp,friend.friendStatus,friend.picInfo,friend.friendPic};
            	//vector1.add(ob2);
        	    model.addRow(ob1);
        	
            }
		}
	    finally
        {
           	 mainFrm.closeSocket();
        }
        
        
         
	}
}