socket 多线程服务器

package com.code.modules.roaddiseasecontroller;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import com.code.modules.utils.SpringContextUtil;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStreamWriter;
import java.net.Socket;
import java.util.HashMap;
import java.util.Map;

/*
 * 多线程通信
 */
public class TcpThread extends Thread{//implements Runnable
    Socket socket;

    public TcpThread(Socket s){
        socket=s;
    }

    /*
     * 信息追加
     */
    public String echo(String str){
        return "hello:"+str;

    }

    @Override
    public void run() {
        String charsetName = "gbk";
        try {
            System.out.println("完成连接");
            // 接受客户端信息
            boolean xintiao=false;
            do {

                InputStream in = socket.getInputStream();
                byte[] data = new byte[1024];
                int len = in.read(data);
                String str = new String(data, 0, len, "gbk");

                String outstr = null;

                boolean flag = true;

                Map map = new HashMap();
                try {
                    map = (Map) JSON.parse(str);
                } catch (Exception e) {
                    flag = false;
                    Map checkData = new HashMap();
                    checkData.put("result", "1");
                    checkData.put("msg", "json格式错误");
                    outstr = JSON.toJSONString(RoadDiseaseController.resultMap(checkData));
                    System.out.println(e.getMessage());
                }

                if (flag) {
                    RoadDiseaseController controller = (RoadDiseaseController) SpringContextUtil.getBean(RoadDiseaseController.class);

                    Map iddr = (Map) map.get("iddr");
                    //进入心跳
                    if (iddr.get("postion") != null) {
                        Map postion = (Map) iddr.get("postion");

                        JSONArray list = (JSONArray) postion.get("list");
                        if(list!=null && list.size()>0){
                            //批量插入心跳数据
                            outstr = controller.GPSBatchList(list);
                            xintiao=false;
                        }else {
                            outstr = controller.GPS(postion);
                            xintiao=true;
                        }


                    }else{
                        xintiao=false;
                    }
                    //道路病害数据
                    if (iddr.get("info") != null) {
                        Map info = (Map) iddr.get("info");
                        outstr = controller.roadDiseaseData(info);
                    }


                    //新增的接口
                    if (iddr.get("action") != null) {
                        Map action = (Map) iddr.get("action");
                        String method = action.get("method") + "";

                        //设备运行日志
                        if ("DEVICELOG".equals(method)) {
                            outstr = controller.crackDeviceOnlineData(action);
                        } else if ("CRACKRESULT".equals(method)) {
//                                CRACKRESULT 病害数据状态
                            outstr = controller.crackresult(action);
                        } else if ("CRACKRESULTCOMFIRM".equals(method)) {
//                              CRACKRESULTCOMFIRM 病害数据状态
                            outstr = controller.crackresultcomfirm(action);
                        } else if ("GEOCODER".equals(method)) {
//                              GEOCODER 地理编码道路
                            outstr = controller.geocoder(action);
                        }

                        System.out.println("-------------返回的数据结果------------");
                        System.out.println(outstr);

                    }

                }
                if(RoadDiseaseController.isNull(outstr)){
                    Map checkData = new HashMap();
                    checkData.put("result", "1");
                    checkData.put("msg", "数据处理失败");
                    outstr = JSON.toJSONString(RoadDiseaseController.resultMap(checkData));
                }
                System.out.println("-------------开始写导入socket客户端------------");
                System.out.println(outstr);
                OutputStreamWriter out = new OutputStreamWriter(socket.getOutputStream(), charsetName);
                out.write(outstr);
                out.flush();
                System.out.println("-------------开始写导入socket客户端 结束------------");

            }while (xintiao);

            if(!xintiao){
                socket.close();
            }

        } catch (Exception e) {
            System.out.println(e.getMessage());
            ; // 输出异常信息

        }finally {
            try {
                socket.close();
            } catch (IOException e) {
                System.out.println(e.getMessage());
            }
        }
    }
}

　　

package com.code.modules.roaddiseasecontroller;


import org.springframework.stereotype.Component;

import java.io.PrintWriter;
import java.net.ServerSocket;
import java.net.Socket;

@Component
public class TCPServerController {
    private PrintWriter writer;
    private ServerSocket server; // 创建ServerSocket对象
    private Socket socket; // 创建Socket对象socket


    public void serve() {
        try {
            server = new ServerSocket(8009); // 实例化ServerSocket对象，设置端口为8080
            System.out.println("服务器套接字已经创建成功");
        } catch (Exception e) {
            System.out.println("=================");
            System.out.println("创建服务失败");
            e.printStackTrace(); // 输出异常信息
        }

        while (true) { // 如果套接字是连接状态
            try {
                System.out.println("等待客户机的连接.......");
                socket = server.accept(); // 实例化Socket对象，使用accept方法等待客户机连接
                System.out.println("完成连接");

                TcpThread t = new TcpThread(socket);
                System.out.println(t.getName());
                t.start();

            } catch (Exception e) {
                System.out.println(e.getMessage());
                ; // 输出异常信息

            }
        }

    }


    public static void main(String[] args) { // 主方法
        TCPServerController tcp = new TCPServerController(); // 创建本类对象
        tcp.serve(); // 调用方法
    }
}