findbuttonlistener.java

网络聊天程序

package Java.ICQ;

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

public class FindButtonListener implements ActionListener
{
	FindFriend dialog;
	MainFrm mainFrm;
	public FindButtonListener(FindFriend dialog,MainFrm mainFrm)
	{
		this.dialog=dialog;
		this.mainFrm=mainFrm;
	}
   
	public void actionPerformed(ActionEvent e)
	{
		Object obj=e.getSource();
	//	if(obj==dialog.jButton1)
	//	{
	//		upPage();
	//	}
	//	if(obj==dialog.jButton2)
	//	{
	//		nextPage();
	//	}
		if(obj==dialog.jButton3)
		{
			cancel();
		}
		if(obj==dialog.jButton4)
		{
			find();
		}
	}
//	public void upPage()
//	{
		//dialog.vector.size()
//	}
//	public void nextPage()
//	{
		
//	}
	public void cancel()
	{
		dialog.dispose();
	}
	public void find()
	{
		if(dialog.jTable1.getSelectedRow()!=-1)
		{
	    	String str=String.valueOf(dialog.jTable1.getValueAt(dialog.jTable1.getSelectedRow(),0));
			int Icqno=Integer.parseInt(str);
			try
			{
			    dialog.mainFrm.connectServer();
			    sendMessage(Icqno);
			}
			catch(IOException e)
	     	{
		    	System.out.println("连接服务器失败");
	     	}
	     	catch(Exception cnfe)
	     	{
	    		System.out.println("读取数据失败");
	    	}
	       finally
            {
           	   dialog.mainFrm.closeSocket();
            }
		}
	}
	public void sendMessage(int number) throws IOException
	{
		
		dialog.mainFrm.out.println("addfriend");
		System.out.println("发送成功2");
		dialog.mainFrm.out.println(number);
		System.out.println("发送成功3");
		dialog.mainFrm.out.println(dialog.mainFrm.username);
		System.out.println("发送成功");
		String rsdate=dialog.mainFrm.in.readLine().trim();
		System.out.println("反回成功");
		if(rsdate.equals("addSucceed"))
		{
		   JOptionPane.showMessageDialog(dialog,"添加好友成功!","消息对话框",JOptionPane.INFORMATION_MESSAGE);
		   		String nickname = String.valueOf(dialog.jTable1.getValueAt(dialog.jTable1.getSelectedRow(),1));
	     	Friend friend;
		    String imagepath= "images\\01.gif";
	     	for(int i=0;i<dialog.vector.size();i++)
	     	{
		   	   friend=(Friend)dialog.vector.elementAt(i);
		   	   if(friend.friendIcqno==number)
		   	   {
		   		  if(friend.friendPic<10)
		   		  {
		   	    	 imagepath = "images\\0"+friend.friendPic+".gif";
		   		  } 
		   		  else
		   		  {
		   		    	imagepath = "images\\"+friend.friendPic+".gif";
		   	      }
		   	      System.out.println(imagepath);
		          dialog.mainFrm.listModel.addElement(new BookEntry(nickname,imagepath));
		   	      dialog.mainFrm.vectorList.addElement(friend);
		   	  }
	        }
		   dialog.dispose();
		}
		else if(rsdate.equals("addLost"))
		{
		   JOptionPane.showMessageDialog(dialog,"添加好友失败!,","消息对话框",JOptionPane.INFORMATION_MESSAGE);
		}
		else 
		{
			JOptionPane.showMessageDialog(dialog,"他已经在你的好友列表中!","消息对话框",JOptionPane.INFORMATION_MESSAGE);
		}

	}		
}