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  • java并发查询数据

      并发服务

      package com.springboot_android.thread;

      import com.project_entity.bean.DeviceRecrodBean;

      import com.springboot_android.dao.DeviceRecrodDao;

      import java.util.*;

      import java.util.concurrent.Callable;

      /**

      * 历史数据,多线程处理

      */

      public class ThreadCall implements Callable>{

      private String identifier;

      private String deviceName;

      private String productKey;

      private Date startTime;

      private Date endTime;

      private DeviceRecrodDao deviceRecrodDao;

      private int groupId;

      public ThreadCall(String identifier,String deviceName,String productKey,Date startTime,Date endTime,DeviceRecrodDao deviceRecrodDao,int groupId){

      this.identifier=identifier;

      this.deviceName=deviceName;

      this.productKey=productKey;

      this.startTime=startTime;

      this.endTime=endTime;

      this.deviceRecrodDao=deviceRecrodDao;

      this.groupId=groupId;

      }

      @Override

      public Map call() throws Exception {

      //开始执行并发任务

      Map map=new HashMap<>();

      /*List list = deviceRecrodDao.selectDeviceProductKeyId( productKey, deviceName, identifier,startTime, endTime);

      map.put("value",list);郑州人流专科医院 http://www.03912316666.com/

      map.put("identifier",identifier);

      map.put("productKey",productKey);

      map.put("deviceName",deviceName);

      map.put("groupId",groupId);*/

      return map;

      }

      }

      并发服务调用:

      package com.springboot_android.thread;

      import com.project_entity.bean.mobe.DeviceGroupGraphBean;

      import com.springboot_android.dao.DeviceRecrodDao;

      import org.springframework.beans.factory.annotation.Autowired;

      import org.springframework.stereotype.Component;

      import java.util.*;

      import java.util.concurrent.*;

      @Component

      public class InfoMore {

      @Autowired

      private DeviceRecrodDao recrodDao;

      //根据集合中的内容查询所有数据

      public List

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  • 原文地址:https://www.cnblogs.com/djw12333/p/12059610.html
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