java实现TCP通信(socket)服务端-客户端

我在写的时候,我的需求就很简单,写一个服务端,去让别人进行请求,借鉴了很多聊天室什么的,越搞越复杂。

期间也使用到了 BufferedReader中readLine()方法,进行获取客户端传来的数据,本地测试没有问题,一跨服务就不行,困扰我了很久,最终才找到了处理方案,具体看下方代码吧!

服务端:

package com.xinyuan.thirdparty.esb;

import com.xinyuan.core.common.util.DateTimeUtil;

import java.io.*;
import java.net.ServerSocket;
import java.net.Socket;
import java.nio.charset.StandardCharsets;
import java.util.HashMap;
import java.util.Map;

public class TestMainServer {
    public static void main(String[] args) throws IOException {
        ServerSocket server = new ServerSocket(2000);
        System.out.println("服务端准备就绪!");
        Socket socket = server.accept();
        System.out.println("客户端已连接!");
        InputStream inputStream = socket.getInputStream();
        byte[] bytes = new byte[2024];
        inputStream.read(bytes);
        String message = new String(bytes,"utf-8").trim();
        System.out.println("接收到客户端发送的数据为:"+message);
        OutputStream outputStream = socket.getOutputStream();
        outputStream.write("返回客户端的信息".getBytes(StandardCharsets.UTF_8));
    }

客户端:

package com.xinyuan.thirdparty.esb;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintStream;
import java.net.Socket;

//测试客户端
public class TestMainClient {
    public static void main(String[] args) throws IOException {
        Socket socket = new Socket("127.0.0.1",2000);
        BufferedReader in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
        PrintStream out = new PrintStream(socket.getOutputStream());
        String message = "";
        out.println(message);
        String response = in.readLine();
        System.out.println("服务端回应:"+response);
        socket.close();
    }
}

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