import java.awt.*;import java.awt.event.*;import javax.swing.*;import javax.swing.border.*;import java.util.Vector;import java.net.*;import java.io.*; public class FindFriend2 extends JFrame {//查找好友類  JLabel jLabel1 = new JLabel();  JButton find2 = new JButton();  JButton jButton1 = new JButton();  JButton jButton2 = new JButton();  JButton jButton3 = new JButton();  JList list2;///////////////////以下是好友的呢稱，性別等信息 Vector nickname=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();//以下臨時保存好友的呢稱，性別等信息 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();//以下創建網絡相關變量   Socket socket;   BufferedReader in;    PrintWriter out;    int myid;    String serverhost;    int servport;   DatagramPacket sendPacket;  DatagramSocket sendSocket;    int sendPort=5000;//////////////////  JPopupMenu findmenu = new JPopupMenu();  JMenuItem look = new JMenuItem();  JMenuItem add = new JMenuItem();  public FindFriend2(int whoami,String host,int port) {//查找好友類構造函數  enableEvents(AWTEvent.WINDOW_EVENT_MASK);    try {       serverhost=host;       servport=port;        myid=whoami;      jbInit();    }    catch(Exception e) {      e.printStackTrace();    }//以下與服務器連接     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 {//以下是程序界面    jLabel1.setText("下面是在線的朋友");    jLabel1.setBounds(new Rectangle(11, 11, 211, 18));    this.getContentPane().setLayout(new FlowLayout());    find2.setText("查找");    find2.setBounds(new Rectangle(8, 289, 79, 29));    find2.addMouseListener(new java.awt.event.MouseAdapter() {      public void mouseClicked(MouseEvent e) {        find2_mouseClicked(e);      }    });    jButton1.setText("next");    jButton1.setBounds(new Rectangle(110, 288, 79, 29));    jButton2.setText("up");    jButton2.setBounds(new Rectangle(211, 285, 79, 29));    jButton3.setText("cancel");    jButton3.setBounds(new Rectangle(317, 289, 79, 29));   // nickname=new Vector();    // sex=new Vector();    // place=new Vector();      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.setAlignmentX((float) 1.0);    list2.setAlignmentY((float) 1.0);    list2.setCellRenderer(renderer);    list2.setVisibleRowCount(7);    list2.addMouseListener(new java.awt.event.MouseAdapter() {      public void mousePressed(MouseEvent e) {        list2_mousePressed(e);      }    });    look.setText("查看資料");    add.setText("加為好友");    add.addMouseListener(new java.awt.event.MouseAdapter() {      public void mousePressed(MouseEvent e) {        add_mousePressed(e);      }    });    this.getContentPane().add(jLabel1, null);     this.getContentPane().add(new JScrollPane(list2));    this.getContentPane().add(find2, null);    this.getContentPane().add(jButton1, null);    this.getContentPane().add(jButton2, null);    this.getContentPane().add(jButton3, null);    findmenu.add(look);    findmenu.add(add);  }//以下是關閉本窗口   protected void processWindowEvent(WindowEvent e) {    super.processWindowEvent(e);    if (e.getID() == WindowEvent.WINDOW_CLOSING) {     //this.dispose();     this.hide();    }  } //以下向服務器發送查找好友請求  void find2_mouseClicked(MouseEvent e) {out.println("find");DefaultListModel mm=(DefaultListModel)list2.getModel();/////////////////find friend infotry{String s=" ";//從服務器讀取好友信息do{  s=in.readLine();    if(s.equals("over")) break;   nickname.add(s);    sex.add(in.readLine());    place.add(in.readLine());    ip.add(in.readLine());    emails.add(in.readLine());    infos.add(in.readLine());}while(!s.equals("over"));/////////////end  find  info//read their jicqnoint theirjicq,picinfo,sta;for(int x=0;x<nickname.size();x++){theirjicq=Integer.parseInt(in.readLine());//System.out.println(theirjicq);jicq.add(new Integer(theirjicq));picinfo=Integer.parseInt(in.readLine());pic.add(new Integer(picinfo));sta=Integer.parseInt(in.readLine());//System.out.println(sta);status.add(new Integer(sta));//System.out.println(jicq.get(x));}//在列表中顯示for(int i=0;i<nickname.size();i++){ mm.addElement(new Object[]{nickname.get(i),sex.get(i),place.get(i)}); }//for}catch(IOException e4){System.out.println("false");}}//顯示查找好友菜單  void list2_mousePressed(MouseEvent e) {findmenu.show(this,e.getX()+20,e.getY()+50);  }/////////////add frined//以下將添加的好友存儲在臨時矢量  void add_mousePressed(MouseEvent e) {//add friend to databaseint 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));//以下向服務器發送添加好友請求out.println("addfriend");out.println(jicq.get(dd));out.println(myid); try{ //以下告訴客戶將其加為好友       String whoips;       String  s="oneaddyou"+myid;       s.trim();       System.out.println(s);      byte[] data=s.getBytes();     whoips=ip.get(dd).toString().trim();        sendPacket=new        DatagramPacket(data,s.length(),InetAddress.getByName(whoips),sendPort);             sendSocket.send(sendPacket);          } catch(IOException e2){e2.printStackTrace();}//}catch(IOException df){};  }/////////////add friend end}