实时推送平台模式

whyclxw

2025-03-13 a2de092833bbec462d56083a3a1be9c33d0030e9

实时推送平台模式

 src/main/java/com/whyc/service/PlateInfoService.java

@@ -22,4 +22,11 @@
        int flag=mapper.update((PlateInfo) ActionUtil.objeNull,wrapper);
        return new Response().setIII(1,flag>0,flag>0,"设置成功","设置失败");
    }
    //查询平台模式
    public Response getPlateInfo() {
        QueryWrapper wrapper=new QueryWrapper();
        wrapper.last("limit 1");
        PlateInfo plateInfo=mapper.selectOne(wrapper);
        return new Response().setII(1,plateInfo!=null,plateInfo,"查询平台模式");
    }
}

 src/main/java/com/whyc/webSocket/PlateSocket.java

New file
@@ -0,0 +1,66 @@
package com.whyc.webSocket;

import com.whyc.config.WebSocketConfig;
import com.whyc.dto.Response;
import com.whyc.pojo.db_lock_ram.PlateInfo;
import com.whyc.service.PlateInfoService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import javax.websocket.*;
import javax.websocket.server.ServerEndpoint;
import java.io.IOException;
import java.util.List;
@Component
@ServerEndpoint(value = "/plate",encoders = WebSocketEncoder.class)
public class PlateSocket {
    private Session session;

    private Thread thread;

    private static PlateInfoService plateService;

    @Autowired
    public void setPlateInfoService(PlateInfoService plateService) {
        PlateSocket.plateService = plateService;
    }

    @OnOpen
    public void onOpen(Session session){
        this.session = session;

        Thread thread = new Thread() {
            @Override
            public void run() {
                try{
                    while (!currentThread().isInterrupted()) {
                        Response res = plateService.getPlateInfo();
                        session.getBasicRemote().sendObject(res);
                        sleep(4000);
                    }
                } catch (Exception e) {
                    this.interrupt();
                }
            }
        };
        thread.start();
        this.thread = thread;
    }

    @OnClose
    public void onClose(CloseReason closeReason) throws IOException {
        System.err.println("closeReason = " + closeReason);
        if(session.isOpen()){
            session.close();
        }
    }

    @OnError
    public void onError(Throwable error) throws IOException {
        error.printStackTrace();
        thread.isInterrupted();
        if(session.isOpen()){
            session.close();
        }
    }
}