基于TCP/IP协议的socket通讯client

package com.ra.car.utils;
 
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.net.Socket;
import java.net.UnknownHostException;
import java.util.HashMap;
import java.util.Map;
 
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
 
import com.alibaba.fastjson.JSON;
 
public class JavaTCPClient {
 
     protected static final Logger logger = LoggerFactory
     .getLogger(JavaTCPClient.class);
 
    public static void main(String[] args) {
 
            try {/*
                // 创建Socket对象
                Socket socket = new Socket("a.mintaian.com", 8903);
 
                logger.info("11111111111111");
                // 根据输入输出流和服务端连接
                OutputStream outputStream = socket.getOutputStream();// 获取一个输出流，向服务端发送信息
                logger.info("2222222222222222222");
                PrintWriter printWriter = new PrintWriter(outputStream);// 将输出流包装成打印流
                logger.info("3333333333333333333");
                printWriter.print("服务端你好，我是客户1,这是我的第"+i+"次请求");
                logger.info("444444444444444");
                printWriter.flush();
                socket.shutdownOutput();// 关闭输出流
                logger.info("55555555555");
                InputStream inputStream = socket.getInputStream();// 获取一个输入流，接收服务端的信息
                logger.info("666666666666666666");
                InputStreamReader inputStreamReader = new InputStreamReader(
                        inputStream);// 包装成字符流，提高效率
                logger.info("777777777777777777");
                BufferedReader bufferedReader = new BufferedReader(
                        inputStreamReader);// 缓冲区
                logger.info("888888888888888888888");
                String info = "";
                String temp = null;// 临时变量
                while ( (temp=bufferedReader.readLine())!= null) {
                    logger.info("9999999999999");
                    info += temp;
                    logger.info("客户端接收服务端发送信息：" + info+i);
                }
                logger.info("这是我的第"+i+"次调用！");
                // 关闭相对应的资源
                bufferedReader.close();
                inputStream.close();
                printWriter.close();
                outputStream.close();
                socket.close();
            */
                Socket socket = new Socket("a.mintaian.com", 8903);
                OutputStream os = socket.getOutputStream();
                PrintWriter printWriter = new PrintWriter(os);
                Map<String, Object> map=new HashMap<String, Object>();
                Map<String, Object> m=new HashMap<String, Object>();
                Map<String, Object> m1=new HashMap<String, Object>();
                m1.put("subAlarmName", "左边虚线");
                String[] str=new String[]{"1","2","3"};
                m1.put("adasRes", str);
                m.put("imei", "862465030008629");
                m.put("deviceData", m1);
                map.put("id", "862465030008629-1509354778289");
                map.put("dataPackage", m);
                map.put("isAdas", "1");
                String msg = JSON.toJSONString(map)+"\n";
                printWriter.write(msg);
                printWriter.flush();
//                socket.shutdownOutput();
                InputStream is = socket.getInputStream();
                InputStreamReader inputStreamReader = new InputStreamReader(
                        is);
                BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
                logger.info("发送的消息是:" + msg);
                msg = null;
                while ((msg = bufferedReader.readLine()) != null) {
                    logger.info("msg:" + msg);
                }
                logger.info("999999999999999999999999");
             // 关闭相对应的资源
//                bufferedReader.close();
//                is.close();
//                printWriter.close();
//                os.close();
                //socket.close();
            } catch (UnknownHostException e) {
                e.printStackTrace();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
}