package chat.chat;
import java.awt.BorderLayout;
import java.awt.Frame;
import java.awt.TextArea;
import java.awt.TextField;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.io.DataOutputStream;
import java.io.IOException;
import java.net.Socket;
import java.net.UnknownHostException;
/**
* 在线聊天客户端 1、生成图形窗口界面轮廓 2、为轮廓添加关闭事件 3、在轮廓中加入输入区域和内容展示区域 4、为输入区域添加回车事件
* 5、建立服务端连接并发送数据
*
* @author tuzongxun123
*
*/
public class ChatClient extends Frame {
// 用户输入区域
private TextField tfTxt = new TextField();
// 内容展示区域
private TextArea tarea = new TextArea();
private Socket socket = null;
// 数据输出流
private DataOutputStream dataOutputStream = null;
public static void main(String[] args) {
new ChatClient().launcFrame();
}
/**
* 建立一个简单的图形化窗口
*
* @author:tuzongxun
* @Title: launcFrame
* @param
* @return void
* @date May 18, 2016 9:57:00 AM
* @throws
*/
public void launcFrame() {
setLocation(300, 200);
this.setSize(200, 400);
add(tfTxt, BorderLayout.SOUTH);
add(tarea, BorderLayout.NORTH);
pack();
// 监听图形界面窗口的关闭事件
this.addWindowListener(new WindowAdapter() {
@Override
public void windowClosing(WindowEvent e) {
System.exit(0);
disConnect();
}
});
tfTxt.addActionListener(new TFLister());
setVisible(true);
connect();
}
/**
* 连接服务器
*
* @author:tuzongxun
* @Title: connect
* @param
* @return void
* @date May 18, 2016 9:56:49 AM
* @throws
*/
public void connect() {
try {
// 新建服务端连接
socket = new Socket("127.0.0.1", 8888);
// 获取客户端输出流
dataOutputStream = new DataOutputStream(socket.getOutputStream());
System.out.println("连上服务端");
} catch (UnknownHostException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
/**
* 关闭客户端资源
*
* @author:tuzongxun
* @Title: disConnect
* @param
* @return void
* @date May 18, 2016 9:57:46 AM
* @throws
*/
public void disConnect() {
try {
dataOutputStream.close();
socket.close();
} catch (IOException e) {
e.printStackTrace();
}
}
/**
* 向服务端发送消息
*
* @author:tuzongxun
* @Title: sendMessage
* @param @param text
* @return void
* @date May 18, 2016 9:57:56 AM
* @throws
*/
private void sendMessage(String text) {
try {
dataOutputStream.writeUTF(text);
dataOutputStream.flush();
} catch (IOException e1) {
e1.printStackTrace();
}
}
/**
* 图形窗口输入区域监听回车事件
*
* @author tuzongxun123
*
*/
private class TFLister implements ActionListener {
@Override
public void actionPerformed(ActionEvent e) {
String text = tfTxt.getText().trim();
tarea.setText(text);
tfTxt.setText("");
// 回车后发送数据到服务器
sendMessage(text);
}
}
}
package chat.chat;
import java.io.DataInputStream;
import java.io.EOFException;
import java.io.IOException;
import java.net.BindException;
import java.net.ServerSocket;
import java.net.Socket;
/**
* java使用socket和awt组件简单实现在线聊天功能服务端 可以实现一个客户端连接后不断向服务端发送消息
* 但不支持多个客户端同时连接,原因在于代码中获得客户端连接后会一直循环监听客户端输入,造成阻塞
* 以至于服务端无法二次监听另外的客户端,如要实现,需要使用异步或者多线程
*
* @author tuzongxun123
*
*/
public class ChatServer {
public static void main(String[] args) {
// 是否成功启动服务端
boolean isStart = false;
// 服务端socket
ServerSocket ss = null;
// 客户端socket
Socket socket = null;
// 服务端读取客户端数据输入流
DataInputStream dataInputStream = null;
try {
// 启动服务器
ss = new ServerSocket(8888);
} catch (BindException e) {
System.out.println("端口已在使用中");
// 关闭程序
System.exit(0);
} catch (Exception e) {
e.printStackTrace();
}
try {
isStart = true;
while (isStart) {
boolean isConnect = false;
// 启动监听
socket = ss.accept();
System.out.println("one client connect");
isConnect = true;
while (isConnect) {
// 获取客户端输入流
dataInputStream = new DataInputStream(
socket.getInputStream());
// 读取客户端传递的数据
String message = dataInputStream.readUTF();
System.out.println("客户端说:" + message);
}
}
} catch (EOFException e) {
System.out.println("client closed!");
} catch (Exception e) {
e.printStackTrace();
} finally {
// 关闭相关资源
try {
dataInputStream.close();
socket.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
package chat.chat;
import java.io.DataInputStream;
import java.io.EOFException;
import java.io.IOException;
import java.net.BindException;
import java.net.ServerSocket;
import java.net.Socket;
import java.net.SocketException;
/**
* *
* @author tuzongxun123
*
*/
public class ChatServer {
public static void main(String[] args) {
new ChatServer().start();
}
// 是否成功启动服务端
private boolean isStart = false;
// 服务端socket
private ServerSocket ss = null;
// 客户端socket
private Socket socket = null;
public void start() {
try {
// 启动服务器
ss = new ServerSocket(8888);
} catch (BindException e) {
System.out.println("端口已在使用中");
// 关闭程序
System.exit(0);
} catch (Exception e) {
e.printStackTrace();
}
try {
isStart = true;
while (isStart) {
// 启动监听
socket = ss.accept();
System.out.println("one client connect");
// 启动客户端线程
Client client = new Client(socket);
new Thread(client).start();
}
} catch (Exception e) {
e.printStackTrace();
} finally {
// 关闭服务
try {
ss.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
/**
* 客户端线程
*
* @author tuzongxun123
*
*/
class Client implements Runnable {
// 客户端socket
private Socket socket = null;
// 客户端输入流
private DataInputStream dataInputStream = null;
private boolean isConnect = false;
public Client(Socket socket) {
this.socket = socket;
try {
isConnect = true;
// 获取客户端输入流
dataInputStream = new DataInputStream(socket.getInputStream());
} catch (IOException e) {
e.printStackTrace();
}
}
@Override
public void run() {
isConnect = true;
try {
while (isConnect) {
// 读取客户端传递的数据
String message = dataInputStream.readUTF();
System.out.println("客户端说:" + message);
}
} catch (EOFException e) {
System.out.println("client closed!");
} catch (SocketException e) {
System.out.println("Client is Closed!!!!");
} catch (Exception e) {
e.printStackTrace();
} finally {
// 关闭相关资源
try {
dataInputStream.close();
socket.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
}
package chat.chat;
import java.awt.BorderLayout;
import java.awt.Frame;
import java.awt.TextArea;
import java.awt.TextField;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.net.Socket;
import java.net.UnknownHostException;
import java.util.Random;
/**
* 在线聊天客户端 步骤:
*1、生成图形窗口界面轮廓
*2、为轮廓添加关闭事件
*3、在轮廓中加入输入区域和内容展示区域
*4、为输入区域添加回车事件
* 5、建立服务端连接并发送数据
*
* @author tuzongxun123
*
*/
public class ChatClient extends Frame {
/**
*
*/
private static final long serialVersionUID = 1L;
// 用户输入区域
private TextField tfTxt = new TextField();
// 内容展示区域
private TextArea tarea = new TextArea();
private Socket socket = null;
// 数据输出流
private DataOutputStream dataOutputStream = null;
// 数据输入流
private DataInputStream dataInputStream = null;
private boolean isConnect = false;
Thread tReceive = new Thread(new ReceiveThread());
String name = "";
public static void main(String[] args) {
ChatClient chatClient = new ChatClient();
chatClient.createName();
chatClient.launcFrame();
}
/**
* 建立一个简单的图形化窗口
*
* @author:tuzongxun
* @Title: launcFrame
* @param
* @return void
* @date May 18, 2016 9:57:00 AM
* @throws
*/
public void launcFrame() {
setLocation(300, 200);
this.setSize(200, 400);
add(tfTxt, BorderLayout.SOUTH);
add(tarea, BorderLayout.NORTH);
// 根据窗口里面的布局及组件的preferedSize来确定frame的最佳大小
pack();
// 监听图形界面窗口的关闭事件
this.addWindowListener(new WindowAdapter() {
@Override
public void windowClosing(WindowEvent e) {
System.exit(0);
disConnect();
}
});
tfTxt.addActionListener(new TFLister());
// 设置窗口可见
setVisible(true);
connect();
// 启动接受消息的线程
tReceive.start();
}
/**
* 连接服务器
*
* @author:tuzongxun
* @Title: connect
* @param
* @return void
* @date May 18, 2016 9:56:49 AM
* @throws
*/
public void connect() {
try {
// 新建服务端连接
socket = new Socket("127.0.0.1", 8888);
// 获取客户端输出流
dataOutputStream = new DataOutputStream(socket.getOutputStream());
dataInputStream = new DataInputStream(socket.getInputStream());
System.out.println("连上服务端");
isConnect = true;
} catch (UnknownHostException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
// 生成随机的客户端名字
public void createName() {
String[] str1 = { "a", "b", "c", "d", "e", "f", "g", "h", "i", "j",
"k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v",
"w", "x", "y", "z", "1", "2", "3", "4", "5", "6", "7", "8",
"9", "0", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J",
"K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V",
"W", "X", "Y", "Z" };
Random ran = new Random();
for (int i = 0; i < 6; i++) {
// long num = Math.round(Math.random() * (str1.length - 0) + 0);
// int n = (int) num;
int n = ran.nextInt(str1.length);
if (n < str1.length) {
String str = str1[n];
name = name + str;
System.out.println(name);
} else {
i--;
continue;
}
}
this.setTitle(name);
}
/**
* 关闭客户端资源
*
* @author:tuzongxun
* @Title: disConnect
* @param
* @return void
* @date May 18, 2016 9:57:46 AM
* @throws
*/
public void disConnect() {
try {
isConnect = false;
// 停止线程
tReceive.join();
} catch (InterruptedException e) {
e.printStackTrace();
} finally {
try {
if (dataOutputStream != null) {
dataOutputStream.close();
}
if (socket != null) {
socket.close();
socket = null;
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
/**
* 向服务端发送消息
*
* @author:tuzongxun
* @Title: sendMessage
* @param @param text
* @return void
* @date May 18, 2016 9:57:56 AM
* @throws
*/
private void sendMessage(String text) {
try {
dataOutputStream.writeUTF(name + ":" + text);
dataOutputStream.flush();
} catch (IOException e1) {
e1.printStackTrace();
}
}
/**
* 图形窗口输入区域监听回车事件
*
* @author tuzongxun123
*
*/
private class TFLister implements ActionListener {
@Override
public void actionPerformed(ActionEvent e) {
String text = tfTxt.getText().trim();
// 清空输入区域信息
tfTxt.setText("");
// 回车后发送数据到服务器
sendMessage(text);
}
}
private class ReceiveThread implements Runnable {
@Override
public void run() {
try {
while (isConnect) {
String message = dataInputStream.readUTF();
System.out.println(message);
String txt = tarea.getText();
if (txt != null && !"".equals(txt.trim())) {
message = tarea.getText() + "n" + message;
}
tarea.setText(message);
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
package chat.chat;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.EOFException;
import java.io.IOException;
import java.net.BindException;
import java.net.ServerSocket;
import java.net.Socket;
import java.net.SocketException;
import java.util.ArrayList;
import java.util.List;
/**
* java使用socket和awt组件以及多线程简单实现在线聊天功能服务端 :
* 实现服务端把接收到的客户端信息转发到所有连接的客户端,并且让客户端读取到这些信息并显示在内容显示区域中。
*
* @author tuzongxun123
*
*/
public class ChatServer {
public static void main(String[] args) {
new ChatServer().start();
}
// 是否成功启动服务端
private boolean isStart = false;
// 服务端socket
private ServerSocket ss = null;
// 客户端socket
private Socket socket = null;
// 保存客户端集合
List<Client> clients = new ArrayList<Client>();
public void start() {
try {
// 启动服务器
ss = new ServerSocket(8888);
} catch (BindException e) {
System.out.println("端口已在使用中");
// 关闭程序
System.exit(0);
} catch (Exception e) {
e.printStackTrace();
}
try {
isStart = true;
while (isStart) {
// 启动监听
socket = ss.accept();
System.out.println("one client connect");
// 启动客户端线程
Client client = new Client(socket);
new Thread(client).start();
clients.add(client);
}
} catch (Exception e) {
e.printStackTrace();
} finally {
// 关闭服务
try {
ss.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
/**
* 客户端线程
*
* @author tuzongxun123
*
*/
private class Client implements Runnable {
// 客户端socket
private Socket socket = null;
// 客户端输入流
private DataInputStream dataInputStream = null;
// 客户端输出流
private DataOutputStream dataOutputStream = null;
private boolean isConnect = false;
public Client(Socket socket) {
this.socket = socket;
try {
isConnect = true;
// 获取客户端输入流
dataInputStream = new DataInputStream(socket.getInputStream());
// 获取客户端输出流
dataOutputStream = new DataOutputStream(
socket.getOutputStream());
} catch (IOException e) {
e.printStackTrace();
}
}
/**
* 向客户端群发(转发)数据
*
* @author:tuzongxun
* @Title: sendMessageToClients
* @param @param message
* @return void
* @date May 18, 2016 11:28:10 AM
* @throws
*/
public void sendMessageToClients(String message) {
try {
dataOutputStream.writeUTF(message);
} catch (SocketException e) {
} catch (IOException e) {
e.printStackTrace();
}
}
@Override
public void run() {
isConnect = true;
Client c = null;
try {
while (isConnect) {
// 读取客户端传递的数据
String message = dataInputStream.readUTF();
System.out.println("客户端说:" + message);
for (int i = 0; i < clients.size(); i++) {
c = clients.get(i);
c.sendMessageToClients(message);
}
}
} catch (EOFException e) {
System.out.println("client closed!");
} catch (SocketException e) {
if (c != null) {
clients.remove(c);
}
System.out.println("Client is Closed!!!!");
} catch (Exception e) {
e.printStackTrace();
} finally {
// 关闭相关资源
try {
if (dataInputStream != null) {
dataInputStream.close();
}
if (socket != null) {
socket.close();
socket = null;
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
}
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