Java TCP套接字编程(一)简单文字传输
2021-06-06 12:02
标签:puts 有一个 地址 byte nal 服务 套接字 建立 tput 客户端: 服务端: Java TCP套接字编程(一)简单文字传输 标签:puts 有一个 地址 byte nal 服务 套接字 建立 tput 原文地址:https://www.cnblogs.com/zzzstudy/p/14613938.htmlJava TCP套接字编程(一)简单文字传输
package com.zzz.net;
import java.io.IOException;
import java.io.OutputStream;
import java.net.InetAddress;
import java.net.Socket;
public class TcpClientDemo01 {
public static void main(String[] args) {
Socket socket = null;
OutputStream os = null;
try {
InetAddress serverIP = InetAddress.getByName("127.0.0.1");//要知道服务器的地址与端口号
int port = 8080;
socket = new Socket(serverIP,port);//创建一个socke连接
os = socket.getOutputStream();//发送消息 IO流
os.write("你好!".getBytes());
} catch (Exception e) {
e.printStackTrace();
} finally {
//关闭资源
if(os!=null){
try {
os.close();
} catch (IOException e) {
e.printStackTrace();
}
}
if(socket!=null){
try {
socket.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
}
package com.zzz.net;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.ServerSocket;
import java.net.Socket;
public class TcpServerDemo01 {
public static void main(String[] args) {
ServerSocket serverSocket = null;
Socket socket = null;
InputStream is = null;
ByteArrayOutputStream baos = null;
try {
serverSocket = new ServerSocket(8080); //自己得有一个地址
while (true) {
socket = serverSocket.accept(); //等待客户端连接
is = socket.getInputStream(); //读取客户端信息
baos = new ByteArrayOutputStream(); //管道流
byte[] buffer = new byte[1024];
int len;
while((len=is.read(buffer))!=-1){
baos.write(buffer,0,len);
}
System.out.println(baos.toString());
}
} catch (IOException e) {
e.printStackTrace();
} finally {
//关闭资源
if(baos!=null){
try {
baos.close();
} catch (IOException e) {
e.printStackTrace();
}
}
if(is!=null){
try {
is.close();
} catch (IOException e) {
e.printStackTrace();
}
}
if(socket!=null){
try {
socket.close();
} catch (IOException e) {
e.printStackTrace();
}
}
if(serverSocket!=null){
try {
serverSocket.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
}