即时通讯工具（局域网内通讯）

import java.awt.AWTEvent; import java.awt.BorderLayout; import java.awt.Color; import java.awt.Component; import java.awt.Container; import java.awt.Dimension; import java.awt.FlowLayout; import java.awt.Rectangle; import java.awt.SystemColor; import java.awt.event.ActionEvent; import java.awt.event.MouseAdapter; import java.awt.event.MouseEvent; import java.awt.event.WindowEvent; import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.File; import java.io.IOException; import java.io.InputStreamReader; import java.io.OutputStreamWriter; import java.io.PrintWriter; import java.net.DatagramPacket; import java.net.DatagramSocket; import java.net.InetAddress; import java.net.Socket; import java.net.SocketException; import java.util.Vector; import javax.swing.AbstractAction; import javax.swing.Action; import javax.swing.BorderFactory; import javax.swing.DefaultListModel; import javax.swing.Icon; import javax.swing.ImageIcon; import javax.swing.JButton; import javax.swing.JDialog; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JList; import javax.swing.JMenuItem; import javax.swing.JOptionPane; import javax.swing.JPanel; import javax.swing.JPopupMenu; import javax.swing.JScrollPane; import javax.swing.JTextArea; import javax.swing.JTextField; import javax.swing.ListCellRenderer; import javax.swing.ListModel; import javax.swing.border.Border; import javax.swing.event.PopupMenuEvent; import javax.swing.event.PopupMenuListener; import java.util.*; class FindFriend2 extends JFrame {//查找好友类 JLabel jLabel1 = new JLabel(); JButton find2 = new JButton(); JButton jButton1 = new JButton(); JButton jButton2 = new JButton(); JButton jButton3 = new JButton(); JList list2; ///////////////////以下是好友的呢称，性别等信息 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; //Socket client; BufferedReader in; PrintWriter out; p2p peo; int myid; String serverhost; int servport; //DatagramPacket sendPacket; //DatagramSocket sendSocket; int sendPort = 8000; ////////////////// JPopupMenu findmenu = new JPopupMenu(); JMenuItem look = new JMenuItem(); JMenuItem add = new JMenuItem(); public FindFriend2(int 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(); }//以下与服务器连接 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("下面是在线的朋友"); 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 mouseClicked(MouseEvent evt){ if(list2.getSelectedIndex()!=-1) jlist1mouseclicked(evt); } }); look.setText("查看资料"); add.setText("加为好友"); 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); }//以下是关闭本窗口 protected void processWindowEvent(WindowEvent e) { super.processWindowEvent(e); if (e.getID() == WindowEvent.WINDOW_CLOSING) { //this.dispose(); this.setVisible(false); } } //以下向服务器发送查找好友请求 void find2_mouseClicked(MouseEvent e) { out.println("find"); DefaultListModel mm = (DefaultListModel) list2.getModel(); /////////////////find friend info try { String s = " "; //从服务器读取好友信息 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 jicqno int 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)); } //在列表中显示 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"); } } //显示查找好友菜单 void list2_mousePressed(MouseEvent e) { findmenu.show(this, e.getX() + 20, e.getY() + 50); } private void jlist1mouseclicked(java.awt.event.MouseEvent evt) { // add your handling code here: if(evt.getClickCount() == 2) { int dd; dd=list2.getSelectedIndex(); // new p2p(nickname.get(dd).toString(),myname,socket); } } /////////////add frined //以下将添加的好友存储在临时矢量 void add_mousePressed(MouseEvent e) { //add friend to database 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)); //以下向服务器发送添加好友请求 out.println("addfriend"); out.println(jicq.get(dd)); out.println(myid); //try { //以下告诉客户将其加为好友 String whoips; String s = "oneaddyou" + myid; s.trim(); System.out