本文实例为大家分享了java实现简单聊天室的具体代码，供大家参考，具体内容如下
先整理下思路：
1.创建一个通信服务端，传入端口号和相关的流后等待客户端连接，并初始化图形界面。
2.创建一个jframe，用于写出聊天的界面，这里界面名称由其他类传入。
3.把客户端创建的方法写进jframe（当然这里很粗糙的方法）
4.设置按钮的监听事件，发送消息和离线功能
首先创建一个服务端的类
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import java.io.ioexception;import java.net.serversocket;import java.net.socket;import com.jero.jframe.chatsocketjframe;//创建服务端public class chatserversocket{ //构造初始化方法 public chatserversocket(string name,int port) throws ioexception{ //创建socket服务连接对象 serversocket serversocket = new serversocket(port); //等待客户端连接 socket client = serversocket.accept(); //初始化聊天界面 try { new chatsocketjframe(name,client); } catch (exception e) { // todo auto-generated catch block e.printstacktrace(); } //关闭流 serversocket.close(); } public static void main(string[] args) throws exception{ new chatserversocket("服务端",8001);//启动服务端，指定网名和端口 }} |
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package com.jero.jframe;import java.awt.event.actionevent;import java.awt.event.actionlistener;import java.io.bufferedreader;import java.io.ioexception;import java.io.inputstream;import java.io.inputstreamreader;import java.io.printwriter;import java.net.inetaddress;import java.net.socket;import java.net.unknownhostexception;import javax.swing.jframe;import javax.swing.jpanel;import javax.swing.jscrollpane;import javax.swing.border.emptyborder;import com.jero.socket.chatserversocket;import javax.swing.jtextpane;import javax.swing.jtextfield;import javax.swing.jbutton;import javax.swing.jtextarea;public class chatsocketjframe extends jframe implements actionlistener { private socket socket; private string name; private jbutton bt_send,bt_leave,bt_login; private jtextarea textarea; private jpanel contentpane; private jtextfield textfield; private printwriter cout; /** * launch the application. * @throws exception * @throws ioexception * @throws unknownhostexception */ public static void main(string[] args) throws unknownhostexception, ioexception, exception { //实例化界面以及客户端 new chatsocketjframe("客户端","127.0.0.1",8001); } /** * create the frame. */ public chatsocketjframe(string name, socket socket)throws exception, ioexception { //聊天室界面 super("聊天室"+name+" "+inetaddress.getlocalhost()+" "+socket.getport()); setdefaultcloseoperation(jframe.exit_on_close); setbounds(100, 100, 733, 519); this.textarea = new jtextarea(); this.textarea.seteditable(false); this.getcontentpane().add(new jscrollpane(this.textarea)); jpanel panel = new jpanel(); this.getcontentpane().add(panel, "south"); this.textfield = new jtextfield(16); panel.add(this.textfield); bt_send = new jbutton("发送"); panel.add(bt_send); bt_send.addactionlistener(new actionlistener() { @override public void actionperformed(actionevent e) { // todo auto-generated method stub system.out.println("按钮已点击"); cout.println(name+"说: "+textfield.gettext()+"\n"); textarea.append("我说: "+textfield.gettext()+"\n"); textfield.settext(""); } }); bt_leave = new jbutton("离线"); panel.add(bt_leave); bt_leave.addactionlistener(new actionlistener() { @override public void actionperformed(actionevent e) { // todo auto-generated method stub textarea.append("我离线"); cout.println(name+"离线\n"+"bye"); bt_leave.setenabled(false); bt_send.setenabled(false); } }); this.setvisible(true); //开始创建通信 this.socket = socket; this.name = name; //获得socket的输出流并立即刷新 this.cout = new printwriter(socket.getoutputstream(),true); //把网名传给对方 this.cout.println(name); //获得socket对象的输入流，创建字符输入流 bufferedreader buff = new bufferedreader(new inputstreamreader(socket.getinputstream())); //接受对方的网名 string aline = buff.readline(); //显示对方发送的内容 textarea.append("连接"+aline+"成功！！\n"); aline = buff.readline(); //如果内容不为空并且对方不离线，则相互传送消息 while(aline!=null&&!aline.equals("bye")){ textarea.append(aline+"\r\n"); aline = buff.readline(); } //当对方离线时，关闭所有的流 buff.close(); cout.close(); socket.close(); //把按钮设置为不可操作 bt_send.setenabled(false); bt_leave.setenabled(false); } /** * @wbp.parser.constructor */ public chatsocketjframe(string name,string host,int port) throws unknownhostexception, ioexception, exception{ //创建客户端 this(name,new socket(host,port)); } @override public void actionperformed(actionevent e) { // todo auto-generated method stub //可以把动作监听写进此函数，这个就不演示了 }} |
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
原文链接：https://blog.csdn.net/JEROCHAN/article/details/78226970
