package com.example.springboot.component; import java.util.List; import cn.hutool.json.JSONObject; public class PlcHold extends Thread { @Override public void run() { while (this != null) { try { Thread.sleep(2000); } catch (InterruptedException e) { // TODO Auto-generated catch block e.printStackTrace(); } List bitlist = S7control.getinstance().ReadBits("DB2.0.0", 100); List paramlist = S7control.getinstance().ReadWord("DB100.6", 1); //查询数据库 //推送到前端 JSONObject jsonObject = new JSONObject(); jsonObject.append("params", new short[] { 0, 1, 2, 3, 4, 5 }); WebSocketServer sendwServer = WebSocketServer.sessionMap.get("talkvue"); if (sendwServer != null) { sendwServer.sendMessage(jsonObject.toString()); } JSONObject jsonObject2 = new JSONObject(); jsonObject2.append("params", new short[] { 0, 3, 2, 3, 4, 5 }); WebSocketServer sendwServer2 = WebSocketServer.sessionMap.get("action"); if (sendwServer2 != null) { sendwServer2.sendMessage(jsonObject2.toString()); } } } }