java 大一课程设计 qq聊天程序

java 大一课程设计 qq聊天程序socket=new Socket(); textPanel.send.setEnabled(false); thread=new Thread(this); setVisible(true); validate(); } public void actionPerformed(ActionEvent e) { if(e.getSource()==save) { savefile.setVisible(true); if(savefile.getFile()!=null) { try{ File file=new File(savefile.getDirectory(),savefile.getFile()); FileWriter tofile=new FileWriter(file); BufferedWriter out=new BufferedWriter(tofile); out.write(textPanel.getWholeText(), 0, textPanel.getWholeText().length()); out.close(); tofile.close(); } catch(IOException e2){} } } else if(e.getSource()==doodle) { thePaint.setVisible(true); } else if(e.getSource()==Disconnect) { if(socket.isConnected()) { try{ ps.writeUTF("QUIT:"); ps.flush(); socket.close();}catch(IOException ee){System.out.println("无法关闭");} } setTitle("用户"+name+"离线"); textPanel.send.setEnabled(false); nameList.removeAll(); nameLable.setText("在线用户: "+"人数: "+(nameList.getItemCount())); } else if(e.getSource()==connect) { try//请求和服务器建立套接字连接 { if(socket.isConnected()){} else { InetAddress address=InetAddress.getLocalHost(); InetSocketAddress socketAddress=new InetSocketAddress(address,8080); socket.connect(socketAddress); reader=new DataInputStream(socket.getInputStream()); ps=new DataOutputStream(socket.getOutputStream()); out=new ObjectOutputStream(socket.getOutputStream()); in=new ObjectInputStream(socket.getInputStream()); ps.writeUTF(name);//开始即传输用户名 ps.flush(); setTitle("用户"+name+"在线"); thread.start(); } }catch(IOException ee){} } else if(e.getSource()==groupChat) { groupMode=true; condition.setText("群 聊\n"); textPanel.send.setEnabled(true); } else if(e.getSource()==privateChat) { groupMode=false; condition.setText("私 聊\n"); textPanel.send.setEnabled(true); } else if(e.getSource()==nameList) { if(!groupMode) { indexName=nameList.getSelectedItem(); condition.setText("私 聊\n与"+nameList.getSelectedItem()+"聊天中\n"); } } else if(e.getSource()==textPanel.send) { if(e.getSource()==textPanel.send) { textPanel.text=textPanel.in.getText(); Font f=textPanel.in.getFont(); textPanel.out.setFont(f); Color c=textPanel.in.getForeground(); textPanel.out.setForeground(c); textPanel.in.setText(""); if(!groupMode) { textPanel.out.append("\n"+"我说:"+textPanel.text+"\n"); } else { textPanel.out.append("\n"); } System.out.println("文本输出~~"); String text=textPanel.text; if(groupMode) { StringBuffer msg=new StringBuffer("MSG:"); msg.append(text); String s=msg.toString(); try{ ps.writeUTF(s); ps.flush();}catch(IOException ee){System.out.println("输出文本错误");} System.out.println("成功输出"); } else { StringBuffer msg=new StringBuffer("MSGTOONE:"); msg.append(indexName+":"+text); String s=msg.toString(); try{ ps.writeUTF(s); ps.flush();}catch(IOException ee){System.out.println("输出文本错误");} System.out.println("成功输出"); } }