java编写的局域网群聊工具源代码

package client; import java.awt.Button; import java.awt.FlowLayout; import java.awt.Font; import java.awt.Frame; import java.awt.Label; import java.awt.TextArea; import java.awt.TextField; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.io.BufferedReader; import java.io.InputStreamReader; import java.net.Socket; import java.io.PrintStream; public class Client extends Frame implements ActionListener{ Label label1,label2,weizhi,weizhi2,weizhi3,weizhi4,weizhi5,weizhi6; TextArea all,myword; TextField text1,text2,text3; Button button1,button2,tuichu; String myname; Socket st; Client c; public void setC(Client c){ this.c=c; } public Client(){ } public Client(String name){ super(name); label1=new Label(" 我的飞龙传书 "); Font f=new Font("字体",3,30); label1.setFont(f); label1.setLocation(200, 10); label2=new Label("群聊模式"); label2.setLocation(20, 30); setLayout(new FlowLayout()); add(label1); add(label2); all=new TextArea(); all.setColumns(50); all.setRows(10); myword=new TextArea(); myword.setColumns(20); myword.setRows(2); all.setLocation(60, 30); add(all); // text2=new TextField(20); text3=new TextField(20); text3.setText("写名字"); // text2.setText("写内容"); // add(text2); button1=new Button("发送消息"); button2=new Button("设成称呼"); tuichu=new Button("退出"); button1.setLocation(20, 80); button2.setLocation(100,80); button1.addActionListener(this); button2.addActionListener(this); tuichu.addActionListener(this); weizhi2=new Label(" "); add(weizhi2); add(myword); add(button1); weizhi=new Label(" "); add(weizhi); weizhi3=new Label(" "); add(weizhi3); weizhi5=new Label(" "); add(weizhi5); add(text3); add(button2); weizhi4=new Label(" "); add(weizhi4); weizhi6=new Label(" "); add(weizhi6); add(tuichu); setSize(400,500); setVisible(true); setResizable(false); } public void actionPerformed(ActionEvent event) { // TODO Auto-generated method stub try{ if(event.getSource()==button1){ String words=String.valueOf(myword.getText()); PrintStream ps=new PrintStream(st.getOutputStream()); if(words.equals("")){ }else{ ps.println(myname+"说:"+words); myword.setText(""); // this.text1.setText(text1.getText()+"\r\n"+myname+"说:"+words); } } if(event.getSource()==button2){ myname=String.valueOf(text3.getText()); } if(event.getSource()==tuichu){ System.exit(0); } }catch(Exception e){ } } //此处为发消息的方法 public void sendMessage(){ try{ st=new Socket("localhost",8088);//此处为服务器端的ip地址和端口号 ClientRunnable cr=new ClientRunnable(st,c); Thread t=new Thread(cr); t.start(); }catch(Exception e){ e.printStackTrace(); } } public static void main(String args[]){ Client c=new Client("飞龙传书"); c.setC(c); c.sendMessage(); } }