面试作品java c/s聊天室带简单界面

package client; import java.net.*; import java.io.*; import java.awt.*; import javax.swing.*; public class client implements java.io.Serializable { /** * */ private static final long serialVersionUID = 1L; /** * @param argsjava.io.Serializable */ // 创建界面 JFrame f1; // 父容器 Panel p1; // 放置最上边的panel Panel p2; // 放置最下边的panel JTextField JtUser; // 用户登陆 Button BtLogin; // 用户登陆按钮 TextArea TaCharNote; // 显示聊天内容 TextArea LsUserNameList; // 显示用户 JTextField JtSendCharNote; // 发送聊天内容 Button BtSend; // 发送按钮 Button BtSave; //保存按钮 FileDialog file; //文件对话框 client() { createGui(); connectionServer(); } private void createGui() { f1 = new JFrame("聊天室"); p1 = new Panel(); p2 = new Panel(); JtUser = new JTextField(10); BtLogin = new Button("登陆"); BtLogin.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent e) { // TODO Auto-generated Event stub // actionPerformed() JtUser.setEditable(false); BtLogin.setEnabled(false); p2.setEnabled(true); LoginUser(JtUser.getText()); } }); TaCharNote = new TextArea(); LsUserNameList = new TextArea(20,20); JtSendCharNote = new JTextField(30); BtSend = new Button("发送"); BtSend.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent e) { // System.out.println("登陆"); // TODO Auto-generated Event stub sendChat(); // actionPerformed() } }); BtSave = new Button("保存"); BtSave.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent e) { file = new FileDialog(f1,"new"); file.setMode(1); file.setVisible(true); String path=file.getDirectory(); String Strfile=file.getFile(); System.out.println(path+Strfile); String Files=path+Strfile; try{ File ff = new File(Files); //JtSendCharNote.selectAll(); TaCharNote.setEditable(true); String s=TaCharNote.getText(); TaCharNote.setEditable(false); PrintStream rf= new PrintStream (new FileOutputStream(ff,true)); rf.print(s); rf.flush(); rf.close(); }catch(Exception ex){ System.out.println("Save"+ex.toString()); } } }); p1.add(JtUser); p1.add(BtLogin); p1.setLayout(new FlowLayout()); p2.add(JtSendCharNote); p2.add(BtSend); p2.add(BtSave); f1.setLayout(new BorderLayout()); f1.add("North", p1); f1.add("East", LsUserNameList); LsUserNameList.setEditable(false); f1.add("Center", TaCharNote); TaCharNote.setEditable(false); f1.add("South", p2); p2.setEnabled(false); f1.setSize(new Dimension(500, 500)); f1.setVisible(true); } Socket soc = null; ObjectOutputStream out; // 与服务器通信的对象流 ObjectInputStream in;// 与服务器通信的对象流 // 连接服务器 private boolean connectionServer() { try { soc = new Socket("127.0.0.1", 8153); out = new ObjectOutputStream(new BufferedOutputStream(soc .getOutputStream())); in = new ObjectInputStream(new BufferedInputStream(soc .getInputStream())); LessServer ls = new LessServer(); ls.start(); } catch (Exception e) { System.out.println("connectionServer"+e.toString()); } return true; } // 用户登陆 private boolean LoginUser(String name) { try { if (name != null) { vo.clientObjectVO vo = new vo.clientObjectVO(); vo.setMake("login"); vo.setUserName(name); out.writeObject(vo); // out.close(); out.flush(); } } catch (Exception e) { System.out.println(e.toString()); } return true; } // 列出所有登陆的用户 private void listUser(String listUser) { LsUserNameList.setText(listUser); } // 发送信息 private void sendChat() { try { vo.clientObjectVO co = new vo.clientObjectVO(); co.setMake("chat"); co.setChatNote(JtSendCharNote.getText()); out.writeObject(co); out.flush(); } catch (Exception e) { System.out.println("sendChat :" + e.toString()); } } // 更新聊天内容 private String acceptChat(String chatNote) { TaCharNote.append(chatNote + "\r\n"); return chatNote; } public static void main(String[] args) { // TODO Auto-generated method stub new client(); } private class LessServer extends Thread { public void run() { String str1=JtUser.getText(); System.out.println(str1); vo.serverObjectVO svo = new vo.serverObjectVO(); try { while ((svo = (vo.serverObjectVO) in.readObject()) != null) { if (svo.getMake().equals("chat")) { String str = svo.getClienName() + "说:" + svo.getChatNote(); acceptChat(str); } else { if (svo.getMake().equals("login")) { String str = "客户:" + svo.getClienName() + "登陆"; acceptChat(str); listUser(svo.getTeststr()); } } } } catch (Exception e) { System.out.println("LessServer:" + e.toString()); } } } }