当前位置:首页 > 代码 > 正文

聊天室界面java代码(聊天室界面java代码怎么用)

admin 发布:2022-12-19 18:13 116


今天给各位分享聊天室界面java代码的知识,其中也会对聊天室界面java代码怎么用进行解释,如果能碰巧解决你现在面临的问题,别忘了关注本站,现在开始吧!

本文目录一览:

用JAVA如何实现图形界面的聊天室?写出源代码

给你说一下原理,自己操作。图形界面需要用swing构造。客户端和服务器用socket传递消息。一个客户端设置一个线程。

客户端之间的通信需要服务器使用Map键值数据对来管理,一个键值就是一个用户(用户的线程编号),对应的数据就是要发送的消息。

求java网络聊天室(B/S模式)程序代码

共四个java文件,源代码如下:

import java.awt.*;

import java.net.*;

import java.awt.event.*;

import java.io.*;

import java.util.Hashtable;

public class ChatArea extends Panel implements ActionListener,Runnable

{

Socket socket=null;

DataInputStream in=null;

DataOutputStream out=null;

Thread threadMessage=null;

TextArea 谈话显示区,私聊显示区=null;

TextField 送出信息=null;

Button 确定,刷新谈话区,刷新私聊区;

Label 提示条=null;

String name=null;

Hashtable listTable;

List listComponent=null;

Choice privateChatList;

int width,height;

public ChatArea(String name,Hashtable listTable,int width,int height)

{

setLayout(null);

setBackground(Color.orange);

this.width=width;

this.height=height;

setSize(width,height);

this.listTable=listTable;

this.name=name;

threadMessage=new Thread(this);

谈话显示区=new TextArea(10,10);

私聊显示区=new TextArea(10,10);

确定=new Button("送出信息到:");

刷新谈话区=new Button("刷新谈话区");

刷新私聊区=new Button("刷新私聊区");

提示条=new Label("双击聊天者可私聊",Label.CENTER);

送出信息=new TextField(28);

确定.addActionListener(this);

送出信息.addActionListener(this);

刷新谈话区.addActionListener(this);

刷新私聊区.addActionListener(this);

listComponent=new List();

listComponent.addActionListener(this);

privateChatList=new Choice();

privateChatList.add("大家(*)");

privateChatList.select(0);

add(谈话显示区);

谈话显示区.setBounds(10,10,(width-120)/2,(height-120));

add(私聊显示区);

私聊显示区.setBounds(10+(width-120)/2,10,(width-120)/2,(height-120));

add(listComponent);

listComponent.setBounds(10+(width-120),10,100,(height-160));

add(提示条);

提示条.setBounds(10+(width-120),10+(height-160),110,40);

Panel pSouth=new Panel();

pSouth.add(送出信息);

pSouth.add(确定);

pSouth.add(privateChatList);

pSouth.add(刷新谈话区);

pSouth.add(刷新私聊区);

add(pSouth);

pSouth.setBounds(10,20+(height-120),width-20,60);

}

public void setName(String s)

{

name=s;

}

public void setSocketConnection(Socket socket,DataInputStream in,DataOutputStream out)

{

this.socket=socket;

this.in=in;

this.out=out;

try

{

threadMessage.start();

}

catch(Exception e)

{

}

}

public void actionPerformed(ActionEvent e)

{

if(e.getSource()==确定||e.getSource()==送出信息)

{

String message="";

String people=privateChatList.getSelectedItem();

people=people.substring(0,people.indexOf("("));

message=送出信息.getText();

if(message.length()0)

{

try {

if(people.equals("大家"))

{

out.writeUTF("公共聊天内容:"+name+"说:"+message);

}

else

{

out.writeUTF("私人聊天内容:"+name+"悄悄地说:"+message+"#"+people);

}

}

catch(IOException event)

{

}

}

}

else if(e.getSource()==listComponent)

{

privateChatList.insert(listComponent.getSelectedItem(),0);

privateChatList.repaint();

}

else if(e.getSource()==刷新谈话区)

{

谈话显示区.setText(null);

}

else if(e.getSource()==刷新私聊区)

{

私聊显示区.setText(null);

}

}

public void run()

{

while(true)

{

String s=null;

try

{

s=in.readUTF();

if(s.startsWith("聊天内容:"))

{

String content=s.substring(s.indexOf(":")+1);

谈话显示区.append("\n"+content);

}

if(s.startsWith("私人聊天内容:"))

{

String content=s.substring(s.indexOf(":")+1);

私聊显示区.append("\n"+content);

}

else if(s.startsWith("聊天者:"))

{

String people=s.substring(s.indexOf(":")+1,s.indexOf("性别"));

String sex=s.substring(s.indexOf("性别")+2);

listTable.put(people,people+"("+sex+")");

listComponent.add((String)listTable.get(people));

listComponent.repaint();

}

else if(s.startsWith("用户离线:"))

{

String awayPeopleName=s.substring(s.indexOf(":")+1);

listComponent.remove((String)listTable.get(awayPeopleName));

listComponent.repaint();

谈话显示区.append("\n"+(String)listTable.get(awayPeopleName)+"离线");

listTable.remove(awayPeopleName);

}

Thread.sleep(5);

}

catch(IOException e)

{

listComponent.removeAll();

listComponent.repaint();

listTable.clear();

谈话显示区.setText("和服务器的连接已中断\n必须刷新浏览器才能再次聊天");

break;

}

catch(InterruptedException e)

{

}

}

}

}

ChatServer.java

import java.io.*;

import java.net.*;

import java.util.*;

public class ChatServer

{

public static void main(String args[])

{

ServerSocket server=null;

Socket you=null;

Hashtable peopleList;

peopleList=new Hashtable();

while(true)

{

try

{

server=new ServerSocket(6666);

}

catch(IOException e1)

{

System.out.println("正在监听");

}

try {

you=server.accept();

InetAddress address=you.getInetAddress();

System.out.println("用户的IP:"+address);

}

catch (IOException e)

{

}

if(you!=null)

{

Server_thread peopleThread=new Server_thread(you,peopleList);

peopleThread.start();

}

else {

continue;

}

}

}

}

class Server_thread extends Thread

{

String name=null,sex=null;

Socket socket=null;

File file=null;

DataOutputStream out=null;

DataInputStream in=null;

Hashtable peopleList=null;

Server_thread(Socket t,Hashtable list)

{

peopleList=list;

socket=t;

try {

in=new DataInputStream(socket.getInputStream());

out=new DataOutputStream(socket.getOutputStream());

}

catch (IOException e)

{

}

}

public void run()

{

while(true)

{ String s=null;

try

{

s=in.readUTF();

if(s.startsWith("姓名:"))

{

name=s.substring(s.indexOf(":")+1,s.indexOf("性别"));

sex=s.substring(s.lastIndexOf(":")+1);

boolean boo=peopleList.containsKey(name);

if(boo==false)

{

peopleList.put(name,this);

out.writeUTF("可以聊天:");

Enumeration enum=peopleList.elements();

while(enum.hasMoreElements())

{

Server_thread th=(Server_thread)enum.nextElement();

th.out.writeUTF("聊天者:"+name+"性别"+sex);

if(th!=this)

{

out.writeUTF("聊天者:"+th.name+"性别"+th.sex);

}

}

}

else

{

out.writeUTF("不可以聊天:");

}

}

else if(s.startsWith("公共聊天内容:"))

{

String message=s.substring(s.indexOf(":")+1);

Enumeration enum=peopleList.elements();

while(enum.hasMoreElements())

{

((Server_thread)enum.nextElement()).out.writeUTF("聊天内容:"+message);

}

}

else if(s.startsWith("用户离开:"))

{

Enumeration enum=peopleList.elements();

while(enum.hasMoreElements())

{ try

{

Server_thread th=(Server_thread)enum.nextElement();

if(th!=thisth.isAlive())

{

th.out.writeUTF("用户离线:"+name);

}

}

catch(IOException eee)

{

}

}

peopleList.remove(name);

socket.close();

System.out.println(name+"用户离开了");

break;

}

else if(s.startsWith("私人聊天内容:"))

{

String 悄悄话=s.substring(s.indexOf(":")+1,s.indexOf("#"));

String toPeople=s.substring(s.indexOf("#")+1);

Server_thread toThread=(Server_thread)peopleList.get(toPeople);

if(toThread!=null)

{

toThread.out.writeUTF("私人聊天内容:"+悄悄话);

}

else

{

out.writeUTF("私人聊天内容:"+toPeople+"已经离线");

}

}

}

catch(IOException ee)

{

Enumeration enum=peopleList.elements();

while(enum.hasMoreElements())

{ try

{

Server_thread th=(Server_thread)enum.nextElement();

if(th!=thisth.isAlive())

{

th.out.writeUTF("用户离线:"+name);

}

}

catch(IOException eee)

{

}

}

peopleList.remove(name);

try

{

socket.close();

}

catch(IOException eee)

{

}

System.out.println(name+"用户离开了");

break;

}

}

}

}

import java.awt.*;

import java.io.*;

import java.net.*;

import java.applet.*;

import java.util.Hashtable;

ClientChat.java

public class ClientChat extends Applet implements Runnable

{

Socket socket=null;

DataInputStream in=null;

DataOutputStream out=null;

InputNameTextField 用户提交昵称界面=null;

ChatArea 用户聊天界面=null;

Hashtable listTable;

Label 提示条;

Panel north, center;

Thread thread;

public void init()

{

int width=getSize().width;

int height=getSize().height;

listTable=new Hashtable();

setLayout(new BorderLayout());

用户提交昵称界面=new InputNameTextField(listTable);

int h=用户提交昵称界面.getSize().height;

用户聊天界面=new ChatArea("",listTable,width,height-(h+5));

用户聊天界面.setVisible(false);

提示条=new Label("正在连接到服务器,请稍等...",Label.CENTER);

提示条.setForeground(Color.red);

north=new Panel(new FlowLayout(FlowLayout.LEFT));

center=new Panel();

north.add(用户提交昵称界面);

north.add(提示条);

center.add(用户聊天界面);

add(north,BorderLayout.NORTH);

add(center,BorderLayout.CENTER);

validate();

}

public void start()

{

if(socket!=nullin!=nullout!=null)

{ try

{

socket.close();

in.close();

out.close();

用户聊天界面.setVisible(false);

}

catch(Exception ee)

{

}

}

try

{

socket = new Socket(this.getCodeBase().getHost(), 6666);

in=new DataInputStream(socket.getInputStream());

out=new DataOutputStream(socket.getOutputStream());

}

catch (IOException ee)

{

提示条.setText("连接失败");

}

if(socket!=null)

{

InetAddress address=socket.getInetAddress();

提示条.setText("连接:"+address+"成功");

用户提交昵称界面.setSocketConnection(socket,in,out);

north.validate();

}

if(thread==null)

{

thread=new Thread(this);

thread.start();

}

}

public void stop()

{

try

{

socket.close();

thread=null;

}

catch(IOException e)

{

this.showStatus(e.toString());

}

}

public void run()

{

while(thread!=null)

{

if(用户提交昵称界面.get能否聊天()==true)

{

用户聊天界面.setVisible(true);

用户聊天界面.setName(用户提交昵称界面.getName());

用户聊天界面.setSocketConnection(socket,in,out);

提示条.setText("祝聊天愉快!");

center.validate();

break;

}

try

{

Thread.sleep(100);

}

catch(Exception e)

{

}

}

}

}

InputNameTextField。java

import java.awt.*;

import java.net.*;

import java.awt.event.*;

import java.io.*;

import java.util.Hashtable;

public class InputNameTextField extends Panel implements ActionListener,Runnable

{

TextField nameFile=null;

String name=null;

Checkbox male=null,female=null;

CheckboxGroup group=null;

Button 进入聊天室=null,退出聊天室=null;

Socket socket=null;

DataInputStream in=null;

DataOutputStream out=null;

Thread thread=null;

boolean 能否聊天=false;

Hashtable listTable;

public InputNameTextField(Hashtable listTable)

{

this.listTable=listTable;

nameFile=new TextField(10);

group=new CheckboxGroup();

male=new Checkbox("男",true,group);

female=new Checkbox("女",false,group);

进入聊天室=new Button("进入");

退出聊天室=new Button("退出");

进入聊天室.addActionListener(this);

退出聊天室.addActionListener(this);

thread=new Thread(this);

add(new Label("昵称:"));

add(nameFile);

add(male);

add(female);

add(进入聊天室);

add(退出聊天室);

退出聊天室.setEnabled(false);

}

public void set能否聊天(boolean b)

{

能否聊天=b;

}

public boolean get能否聊天()

{

return 能否聊天;

}

public String getName()

{

return name;

}

public void setName(String s)

{

name=s;

}

public void setSocketConnection(Socket socket,DataInputStream in,DataOutputStream out)

{

this.socket=socket;

this.in=in;

this.out=out;

try{

thread.start();

}

catch(Exception e)

{

nameFile.setText(""+e);

}

}

public Socket getSocket()

{

return socket;

}

public void actionPerformed(ActionEvent e)

{

if(e.getSource()==进入聊天室)

{

退出聊天室.setEnabled(true);

if(能否聊天==true)

{

nameFile.setText("您正在聊天:"+name);

}

else

{

this.setName(nameFile.getText());

String sex=group.getSelectedCheckbox().getLabel();

if(socket!=nullname!=null)

{

try{

out.writeUTF("姓名:"+name+"性别:"+sex);

}

catch(IOException ee)

{

nameFile.setText("没有连通服务器"+ee);

}

}

}

}

if(e.getSource()==退出聊天室)

{

try

{

out.writeUTF("用户离开:");

}

catch(IOException ee)

{

}

}

}

public void run()

{

String message=null;

while(true)

{

if(in!=null)

{

try

{

message=in.readUTF();

}

catch(IOException e)

{

nameFile.setText("和服务器断开"+e);

}

}

if(message.startsWith("可以聊天:"))

{

能否聊天=true;

break;

}

else if(message.startsWith("聊天者:"))

{

String people=message.substring(message.indexOf(":")+1);

listTable.put(people,people);

}

else if(message.startsWith("不可以聊天:"))

{

能否聊天=false;

nameFile.setText("该昵称已被占用");

}

}

}

}

求Java Socket 聊天室代码

两个类,实现交互

import java.io.BufferedReader;

import java.io.BufferedWriter;

import java.io.InputStreamReader;

import java.io.OutputStreamWriter;

import java.io.PrintWriter;

import java.net.ServerSocket;

import java.net.Socket;

public class MutiChat

{

public static void main(String[] args)

{

MutiChat mc = new MutiChat();

mc.receive().start();

mc.send().start();

}

/**

* 接收信息

*

* @return

*/

private Thread receive()

{

return new Thread()

{

public void run()

{

ServerSocket server_socket = null;

Socket sk = null;

BufferedReader in = null;

try

{

server_socket = new ServerSocket(7777);

sk = server_socket.accept();

in = new BufferedReader(new InputStreamReader(sk

.getInputStream()));

while (true)

{

String str = in.readLine();

System.out.println(str);

}

} catch (Exception e)

{

e.printStackTrace();

}

}

};

}

private Thread send()

{

return new Thread()

{

public void run()

{

Socket client_socket = null;

BufferedReader in = null;

PrintWriter out = null;

while (true)

{

try

{

client_socket = new Socket("127.0.0.1", 8888);

in = new BufferedReader(

new InputStreamReader(System.in));

out = new PrintWriter(new BufferedWriter(

new OutputStreamWriter(client_socket

.getOutputStream())), true);

while (true)

{

String str = in.readLine();

out.println(str);

}

} catch (Exception e)

{

try

{

Thread.sleep(1000);

} catch (Exception ex)

{

ex.printStackTrace();

}

}

}

}

};

}

}

import java.io.BufferedReader;

import java.io.BufferedWriter;

import java.io.InputStreamReader;

import java.io.OutputStreamWriter;

import java.io.PrintWriter;

import java.net.ServerSocket;

import java.net.Socket;

public class MutiChat2

{

public static void main(String[] args)

{

MutiChat2 mc = new MutiChat2();

mc.receive().start();

mc.send().start();

}

/**

* 接收信息

*

* @return

*/

private Thread receive()

{

return new Thread()

{

public void run()

{

ServerSocket server_socket = null;

Socket sk = null;

BufferedReader in = null;

try

{

server_socket = new ServerSocket(8888);

sk = server_socket.accept();

in = new BufferedReader(new InputStreamReader(sk

.getInputStream()));

while (true)

{

String str = in.readLine();

System.out.println(str);

}

} catch (Exception e)

{

e.printStackTrace();

}

}

};

}

private Thread send()

{

return new Thread()

{

public void run()

{

Socket client_socket = null;

BufferedReader in = null;

PrintWriter out = null;

while (true)

{

try

{

client_socket = new Socket("127.0.0.1", 7777);

in = new BufferedReader(

new InputStreamReader(System.in));

out = new PrintWriter(new BufferedWriter(

new OutputStreamWriter(client_socket

.getOutputStream())), true);

while (true)

{

String str = in.readLine();

out.println(str);

}

} catch (Exception e)

{

try

{

Thread.sleep(1000);

} catch (Exception ex)

{

ex.printStackTrace();

}

}

}

}

};

}

}

求用Java编写的聊天室界面

jsp的

%@ page language="java" contentType="text/html; charset=gb2312"

pageEncoding="gb2312"%

!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"

html

head

title欢乐聊天室/title

/head

body

%--首先取出用户提交的代号名称,保存在变量chatid中--%

%

String chatid = new String();

chatid = request.getParameter("inputid");

%

%--使用变量flag来标记用户输入是否合法,如果合法,则flag为true --%

%

boolean flag;

flag = true;

if(chatid == null){

chatid = "";

}

if(chatid.length() == 0){

flag = false;

}

%

%--比较用户所输入的id和目前聊天室中存在的所有id --%

%

for(int i=1; i=6 flag; i++){

String itemp = new String();

itemp = itemp.valueOf(i);

int num;

String numtemp = new String();

String temp = new String();

temp = "room" + itemp + "usernum";

numtemp = (String)application.getAttribute(temp);

if(numtemp == null){

numtemp = "0";

application.setAttribute(temp ,numtemp);

}

num = Integer.parseInt(numtemp);

for(int j=1; j=num flag; j++){

String jtemp = new String();

jtemp = jtemp.valueOf(j);

%

%--从application对象中取出第i个聊天室中第j个用户的id,temp变量保存的是application对象用于保存第i个聊天室中第j个用户的id相应的变量名 --%

%

temp = "room" + itemp + "user" + jtemp;

String usertemp = new String();

usertemp = (String)application.getAttribute(temp);

if(usertemp.equalsIgnoreCase(chatid)){

flag = false;

}

}

}

int nnn[] = new int[6];

if(flag){

String temproom = new String();

temproom = (String)session.getValue("chatroom");

if(temproom == null){

session.putValue("chatid",chatid);

}

for(int i=1; i=6; i++) {

String itemp = new String();

itemp = itemp.valueOf(i);

int num;

String numtemp = new String();

String temp = new String();

temp = "room" + itemp + "usernum";

numtemp = (String)application.getAttribute(temp);

if(numtemp == null){

numtemp = "0";

}

num = Integer.parseInt(numtemp);

nnn[i-1] = num;

}

}

%

p align="center"bfont face="隶书" size="6" color="#FF00FF"欢乐聊天室/font/b/p

%

if(flag){

%

p align="center"font color="red"%=chatid %/font您好,请选择感兴趣的聊天室!/p

centertable border="1" width="370"

tr

td width="50%"a href="JSPchat.jsp?chatroom=1"今天我们相识(%=nnn[0]%)/a/td

td width="50%"a href="JSPchat.jsp?chatroom=2"校园的那条小路(%=nnn[1]%)/a/td

/tr

tr

td width="50%"a href="JSPchat.jsp?chatroom=3"职场淘金(%=nnn[2]%)/a/td

td width="50%"a href="JSPchat.jsp?chatroom=4"网络技术交流(%=nnn[3]%)/a/td

/tr

tr

td width="50%"a href="JSPchat.jsp?chatroom=5"世界体育大看台(%=nnn[4]%)/a/td

td width="50%"a href="JSPchat.jsp?chatroom=6"新闻背后的故事(%=nnn[5]%)/a/td

/tr

/tablecenter

%

}else {

%

centerpid不能为空,或者此id已经被使用,请重新选择!/pcenter

pcentera href="login.html"返回/acenter/p

%

}

%

/body

/html

java 聊天室代码???

前天帮人解决过,代码如下:public class iChat extends JFrame {

private JPanel jContentPane;

private JButton jButton1;

private JScrollPane jScrollPane1;

private JTextArea jTextArea1,jTextArea2; public iChat() {

super();

initialize();

} private void initialize() {

this.setSize(375, 364);

jTextArea1 = getJTextArea1();

this.setContentPane(getJContentPane());

this.setTitle("聊天室");

setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); } private JPanel getJContentPane() {

if (jContentPane == null) {

jContentPane = new JPanel();

jContentPane.setBackground(Color.BLUE);//蓝色为JPanel 。

jContentPane.setLayout(null);

jContentPane.add(getJButton1(), null);

jContentPane.add(getJTextArea2(), null);

jContentPane.add(getJScrollPane1(), null);

}

return jContentPane;

} private JTextArea getJTextArea2() {

if (jTextArea2 == null) {

jTextArea2 = new JTextArea();

jTextArea2.setBounds(new Rectangle(1, 253, 282, 73));

jTextArea2.setLineWrap(true);

jTextArea2.addKeyListener(new java.awt.event.KeyAdapter() {

public void keyTyped(java.awt.event.KeyEvent e) {

if (e.getKeyChar() == KeyEvent.VK_ENTER) {

String s = "你说:" + jTextArea2.getText();

String date = new SimpleDateFormat(

"yyyy-MM-dd HH:mm:ss").format(Calendar

.getInstance().getTime());

jTextArea1.append(date + "\n");

jTextArea1.append(s);

}

}

});

}

return jTextArea2;

} private JButton getJButton1() {

if (jButton1 == null) {

jButton1 = new JButton();

jButton1.setBounds(new Rectangle(293, 288, 62, 32));

jButton1.setText("发送");

jButton1.addActionListener(new java.awt.event.ActionListener() {

public void actionPerformed(java.awt.event.ActionEvent e) {

String s = "你说:" + jTextArea2.getText();

String date = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss")

.format(Calendar.getInstance().getTime());

jTextArea1.append(date + "\n");

jTextArea1.append(s + "\n");

jTextArea2.setText(""); }

});

}

return jButton1;

}

private JScrollPane getJScrollPane1() {

if (jScrollPane1 == null) {

jScrollPane1 = new JScrollPane();

jScrollPane1.setBounds(new Rectangle(0, 0, 360, 220));

jScrollPane1.setViewportView(getJTextArea1());

}

return jScrollPane1;

} private JTextArea getJTextArea1() {

if (jTextArea1 == null) {

jTextArea1 = new JTextArea();

jTextArea1.setEditable(false);

jTextArea1.setLineWrap(true);

}

return jTextArea1;

} public static void main(String[] args) {

SwingUtilities.invokeLater(new Runnable() {

public void run() {

iChat thisClass = new iChat();

thisClass.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

thisClass.setVisible(true);

}

});

}}

用java语言实行一个UDP聊天室 多客户 无图形用户界面

这是很久以前在网上找的,略作修改的一个小案例UDP聊天的,供你参考,改改里面的ip地址。

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStreamReader;

import java.net.DatagramPacket;

import java.net.DatagramSocket;

import java.net.InetSocketAddress;

public class UDPClient {

public static void main(String[] args) throws IOException {

new UDPClient().go();

}

private void go() {

ClientSendThread send = new ClientSendThread();

new Thread(send).start();

ClientRecvThread recv = new ClientRecvThread();

new Thread(recv).start();

}

class ClientSendThread implements Runnable {

@Override

public void run() {

try {

DatagramSocket ds = new DatagramSocket();

String str = "";

byte[] buf = null;

while (true) {

System.out.println("请输入");

BufferedReader br = new BufferedReader(

new InputStreamReader(System.in));

str = br.readLine();

if ("bye".equals(str))

break;

buf = str.getBytes();

// System.out.println("-----buf.length-------" + buf.length);

DatagramPacket dp = new DatagramPacket(buf, buf.length,

new InetSocketAddress("127.0.0.1", 5678));

ds.send(dp);

buf = null;

}

ds.close();

} catch (IOException e) {

e.printStackTrace();

}

}

}

class ClientRecvThread implements Runnable {

@Override

public void run() {

byte[] buf = new byte[1024];

//接收端的端口需要指定,不然发送端不知道向哪个端口发送数据包

DatagramSocket ds;

try {

ds = new DatagramSocket(5679);

String message = "";

DatagramPacket dp = null;

while(true){

dp = new DatagramPacket(buf, buf.length);

ds.receive(dp);

message = new String(buf,0,dp.getLength());

System.out.println("接收到Server端信息为:"+message);

}

} catch (IOException e) {

e.printStackTrace();

}

}

}

}

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStreamReader;

import java.net.DatagramPacket;

import java.net.DatagramSocket;

import java.net.InetSocketAddress;

public class UDPServer {

public static void main(String[] args) throws IOException {

new UDPServer().go();

}

private void go() {

//服务端启动2个线程,1个发送,1个接收

ServerSendThread send = new ServerSendThread();

new Thread(send).start();

ServerRecvThread recv = new ServerRecvThread();

new Thread(recv).start();

}

// 服务端发送线程

class ServerSendThread implements Runnable{

@Override

public void run() {

try {

DatagramSocket ds = new DatagramSocket();

String str = "";

byte[] buf = null;

while (true) {

System.out.println("请输入");

BufferedReader br = new BufferedReader(

new InputStreamReader(System.in));

str = br.readLine();

if ("bye".equals(str))

break;

buf = str.getBytes();

DatagramPacket dp = new DatagramPacket(buf, buf.length,

new InetSocketAddress("192.163.20.61", 5679));

ds.send(dp);

buf = null;

}

ds.close();

} catch (IOException e) {

e.printStackTrace();

}

}

}

// 服务端接收线程

class ServerRecvThread implements Runnable{

@Override

public void run() {

byte[] buf = new byte[1024];

//接收端的端口需要指定,不然发送端不知道向哪个端口发送数据包

DatagramSocket ds;

try {

ds = new DatagramSocket(5678);

String message = "";

while(true){

DatagramPacket dp = new DatagramPacket(buf, buf.length);

ds.receive(dp);

message = new String(buf,0,dp.getLength());

System.out.println("接收到Client端的信息为:"+message);

}

} catch (IOException e) {

e.printStackTrace();

}

}

}

}

聊天室界面java代码的介绍就聊到这里吧,感谢你花时间阅读本站内容,更多关于聊天室界面java代码怎么用、聊天室界面java代码的信息别忘了在本站进行查找喔。

版权说明:如非注明,本站文章均为 AH站长 原创,转载请注明出处和附带本文链接;

本文地址:http://ahzz.com.cn/post/16939.html


取消回复欢迎 发表评论:

分享到

温馨提示

下载成功了么?或者链接失效了?

联系我们反馈

立即下载