findfriend2.java

可以支持很多人在线聊天

package talk3;


import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.border.*;
import java.util.Vector;
import java.net.*;
import java.io.*;
class FindFriend2 extends JFrame
{
JLabel jLabel1 = new JLabel();
JButton find2 = new JButton();
JButton concel = new JButton();
JList list2;
boolean chazhao=true;

///////////////////以下是好友的呢称，性别等信息
Vector nickname=new Vector();
Vector icqno=new Vector();
Vector sex=new Vector();
Vector place=new Vector();
Vector jicq=new Vector();
Vector ip=new Vector();
Vector pic=new Vector();
Vector status=new Vector();
Vector emails=new Vector();
Vector infos=new Vector();
//以下临时保存好友的呢称，性别等信息
Vector tmpjicq=new Vector();//jicqid
Vector tmpname=new Vector();//jicqname
Vector tmpip=new Vector();//ip
Vector tmppic=new Vector();//pic info
Vector tmpstatus=new Vector();//status
Vector tmpemail=new Vector();
Vector tmpinfo=new Vector();
//以下创建网络相关变量

Socket socket;
BufferedReader in;
PrintWriter out;
long myid;
String serverhost;
int servport;
DatagramPacket sendPacket;
DatagramSocket sendSocket;
//////////////////
JPopupMenu findmenu = new JPopupMenu();
JMenuItem look = new JMenuItem();
JMenuItem add = new JMenuItem();





public FindFriend2(long whoami,String host,int port) {//查找好友类构造函数
enableEvents(AWTEvent.WINDOW_EVENT_MASK);
try {
serverhost=host;
servport=port;
myid=whoami;
jbInit();
}
catch(Exception e) {
e.printStackTrace();
}


try{
socket=new Socket(InetAddress.getByName(serverhost),servport);
in=new BufferedReader(new InputStreamReader(socket.getInputStream()));
out=new PrintWriter(new BufferedWriter(
new OutputStreamWriter(socket.getOutputStream())),true);
sendSocket=new DatagramSocket();
}catch(IOException e1){}
}


private void jbInit() throws Exception {
jLabel1.setFont(new java.awt.Font("新細明體", 0, 11));
jLabel1.setForeground(Color.red);
jLabel1.setText("下面是在线的朋友:");
this.getContentPane().setLayout(new FlowLayout());
find2.setText("查找");
find2.addMouseListener(new java.awt.event.MouseAdapter() {
public void mouseClicked(MouseEvent e) {
find2_mouseClicked(e);
}
});

setSize(new Dimension(200, 150));
this.setState(Frame.NORMAL);
this.setTitle("查找窗口");
setResizable(false);
concel.setText("cancel");

concel.addMouseListener(new java.awt.event.MouseAdapter() {
public void mouseClicked(MouseEvent e) {
jButton3_mouseClicked(e);
}
});


ListModel model=new FindListModel(nickname,sex,place);//列表模型
ListCellRenderer renderer=new FindListCellRenderer();
list2=new JList(model);
list2.setSize(200,200);
list2.setBackground(new Color(255, 255, 210));

list2.setBorder(BorderFactory.createEtchedBorder());
list2.setCellRenderer(renderer);
list2.setVisibleRowCount(7);
list2.addMouseListener(new java.awt.event.MouseAdapter() {
public void mousePressed(MouseEvent e) {list2_mousePressed(e);}});
look.setText("查看资料");
add.setText("加为组员");
add.addMouseListener(new java.awt.event.MouseAdapter() {
public void mousePressed(MouseEvent e) {
add_mousePressed(e);
}});


this.getContentPane().setBackground(UIManager.getColor("InternalFrame.inactiveTitleGradient"));
this.setForeground(Color.black);
this.getContentPane().add(jLabel1, null);
this.getContentPane().add(new JScrollPane(list2));
this.getContentPane().add(find2, null);
this.getContentPane().add(concel, null);
findmenu.add(look);
findmenu.add(add);
}

protected void processWindowEvent(WindowEvent e) {
super.processWindowEvent(e);
if (e.getID() == WindowEvent.WINDOW_CLOSING) {
this.hide();
}
}







//---->
void find2_mouseClicked(MouseEvent e) {
if(chazhao==true){
chazhao=false;

out.println("find");
DefaultListModel mm=(DefaultListModel)list2.getModel();
try{
String s=" ";
do{
s=in.readLine();
if(s.equals("over")) break;
icqno.add(s ) ;
nickname.add(in.readLine());
sex.add(in.readLine());
place.add(in.readLine());
ip.add(in.readLine());
emails.add(in.readLine());
infos.add(in.readLine());
}
while(!s.equals("over"));
int theirjicq,picinfo,sta;
for(int x=0;x<nickname.size();x++){
theirjicq=Integer.parseInt(in.readLine());

jicq.add(new Integer(theirjicq));
picinfo=Integer.parseInt(in.readLine());
pic.add(new Integer(picinfo));
sta=Integer.parseInt(in.readLine());
status.add(new Integer(sta));

}

for(int i=0;i<nickname.size();i++){
mm.addElement(new Object[]{icqno.get(i),nickname.get(i),ip.get(i)});
 }

}
catch(IOException e4){System.out.println("false");}
}}
//<----查找结束；









void list2_mousePressed(MouseEvent e) {
findmenu.show(this,120,150);
}






//---->
void add_mousePressed(MouseEvent e) {
int dd;
dd=list2.getSelectedIndex();
tmpjicq.add(jicq.get(dd));
tmpname.add(nickname.get(dd));
tmpip.add(ip.get(dd));
tmppic.add(pic.get(dd));
tmpstatus.add(status.get(dd));
tmpemail.add(emails.get(dd));
tmpinfo.add(infos.get(dd));
out.println("addfriend");
out.println(ip.get(dd) ) ;
out.println(myid);
try{
String whoips;
String  s="oneaddyou"+myid;
s.trim();
byte[] data=s.getBytes();
whoips= ip.get(dd).toString().trim();
sendPacket=new DatagramPacket(data,s.length(),InetAddress.getByName(whoips),4040);///////////////////4
System.out.println(InetAddress.getByName(whoips));
sendSocket.send(sendPacket);
this.dispose() ;
}
catch(IOException e2){e2.printStackTrace();}
}
// <----添加好友。








//以下扩展DefaultListModel类建立列表
class FindListModel extends DefaultListModel
{
public FindListModel(Vector nickname,Vector sex,Vector place)
{
for(int i=0;i<nickname.size();++i){
addElement(new Object[]{nickname.get(i),sex.get(i),place.get(i)});
}
}




public  String getName(Object object)
{ Object[] array=(Object[])object;
  return(String) array[0];
  }





public String getSex(Object object)
{ Object[] array=(Object[]) object;
  return (String) array[1];
  }




public String getPlace(Object object)
{ Object[] array=(Object[])object;
   return (String) array[2];

}
}




class FindListCellRenderer extends JLabel implements ListCellRenderer//以下是处理列表渲染
{
private Border lineBorder=BorderFactory.createLineBorder(Color.red,2),
emptyBorder =BorderFactory.createEmptyBorder(2,2,2,2);
public FindListCellRenderer(){
 setOpaque(true);
     }
public Component getListCellRendererComponent(JList list,Object value,int index,
                                                boolean isSelected,boolean cellHasFocus)
{ FindListModel model=(FindListModel) list.getModel();
setText(model.getName(value)+"  "+model.getSex(value)+"  "+model.getPlace(value));
if(isSelected){setForeground(list.getSelectionForeground());
setBackground(list.getSelectionBackground());
 }
 else { setForeground(list.getForeground());
 setBackground(list.getBackground());}
 if(cellHasFocus) setBorder(lineBorder);
 else setBorder(emptyBorder);
 return this;
 }}

void jButton3_mouseClicked(MouseEvent e) {
 this.dispose() ;}
}