java 使用TCP实现单聊的功能。（客户端和服务端聊天）

需求：

使用TCP实现单聊的功能。（客户端和服务端聊天）

代码：

package com.hcq.main2;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.net.Inet4Address;
import java.net.InetAddress;
import java.net.Socket;
import java.net.UnknownHostException;

import com.hcq.main2.Server.receiverMsg;
import com.hcq.main2.Server.sendMsg;

public class Client {
/**
* 使用TCP实现单聊的功能。（客户端和服务端聊天）
*
* @param args
*/
public static void main(String[] args) {
try {
System.out.println("创建客户端，并连接服务端...");
InetAddress byName = InetAddress.getByName("10.3.155.220");
Socket socket = new Socket(byName, 9408);

sendMsg sm = new sendMsg(socket);
receiverMsg rm = new receiverMsg(socket);

Thread t1 = new Thread(sm);
Thread t2 = new Thread(rm);

t1.start();
t2.start();

// socket.close();
} catch (UnknownHostException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}

// 客户端发送信息给服务器
static class sendMsg implements Runnable {
private Socket socket;
private PrintWriter pw;

public sendMsg(Socket socket) {
super();
this.socket = socket;
}

@Override
public void run() {
try {
pw = new PrintWriter(new OutputStreamWriter(socket.getOutputStream()), true);
while (true) {
pw.println(InputUtils.inputStr("客户端说: "));
}
} catch (IOException e) {
e.printStackTrace();
}
}
}

// 客户端接收服务器信息
static class receiverMsg implements Runnable {

private Socket socket;
private String name;

public receiverMsg(Socket socket) {
super();
this.socket = socket;
this.name = socket.getInetAddress().getHostName();
}

@Override
public void run() {
try {
InputStream is = socket.getInputStream();
InputStreamReader isr = new InputStreamReader(is);
BufferedReader br = new BufferedReader(isr);

while (true) {
String readLine = br.readLine();
if (readLine == null) {
break;
}
System.out.println(name + " 说: " + readLine);
}

} catch (IOException
4000
e) {
e.printStackTrace();
}
}
}
}

package com.hcq.main2;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.net.InetAddress;
import java.net.ServerSocket;
import java.net.Socket;

public class Server {

public static void main(String[] args) {
try {
System.out.println("创建服务端...");
ServerSocket serverSocket = new ServerSocket(9808);
System.out.println("等待客户端连接...");
// 连接成功，返回一个Socket：对客户端的描述
Socket socket = serverSocket.accept();
System.out.println("客户端已连接...");

sendMsg sendMsg = new sendMsg(socket);
receiverMsg receiverMsg = new receiverMsg(socket);

Thread t1 = new Thread(sendMsg);
Thread t2 = new Thread(receiverMsg);

t1.start();
t2.start();

serverSocket.close();

} catch (IOException e) {
e.printStackTrace();
}

}

// 服务器发送信息给客户端
static class sendMsg implements Runnable {
private Socket socket;
private PrintWriter pw;

public sendMsg(Socket socket) {
super();
this.socket = socket;
}

@Override
public void run() {
try {
OutputStream os = socket.getOutputStream();
pw = new PrintWriter(new OutputStreamWriter(os), true);
while (true) {
pw.println(InputUtils.inputStr("服务器请说: "));
}
} catch (IOException e) {
e.printStackTrace();
}
}
}

// 服务器接收客户端信息
static class receiverMsg implements Runnable {

private Socket socket;
private String name;

public receiverMsg(Socket socket) {
super();
this.socket = socket;
this.name = socket.getInetAddress().getHostName();
}

@Override
public void run() {
try {
InputStream is = socket.getInputStream();
BufferedReader br = new BufferedReader(new InputStreamReader(is));

while (true) {
String readLine = br.readLine();
if (readLine == null) {
break;
}
System.out.println(name + " 说: " + readLine);
}

} catch (IOException e) {
e.printStackTrace();
}
}
}
}

package com.hcq.main2;

import java.util.Scanner;

public class InputUtils {
// 接收输入字符串方法
public static String inputStr(String tip) {
System.out.println(tip);
Scanner sc = new Scanner(System.in);
return sc.next();

}
}

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