| | |
| | | package com.panzhihua.common.listen; |
| | | |
| | | import java.util.ArrayList; |
| | | import java.util.List; |
| | | |
| | | import com.alibaba.excel.context.AnalysisContext; |
| | | import com.alibaba.excel.event.AnalysisEventListener; |
| | | import com.alibaba.fastjson.JSONObject; |
| | | import com.panzhihua.common.exceptions.ServiceException; |
| | | import com.panzhihua.common.model.vos.R; |
| | | import com.panzhihua.common.model.vos.community.ComCvtServeExcelVO; |
| | | import com.panzhihua.common.model.vos.community.ComMngCarExcelVO; |
| | | import com.panzhihua.common.service.community.CommunityService; |
| | | import lombok.extern.slf4j.Slf4j; |
| | | |
| | | import java.util.ArrayList; |
| | | import java.util.List; |
| | | import lombok.extern.slf4j.Slf4j; |
| | | |
| | | /** |
| | | * @description: 车辆导入监听 |
| | |
| | | @Slf4j |
| | | public class ComMngCarExcelListen extends AnalysisEventListener<ComMngCarExcelVO> { |
| | | |
| | | private static final int BATCH_COUNT = 100; |
| | | private CommunityService communityService; |
| | | |
| | | private Long communityId; |
| | | private List<ComMngCarExcelVO> list = new ArrayList<>(); |
| | | |
| | | public ComMngCarExcelListen(CommunityService communityService, Long communityId){ |
| | | public ComMngCarExcelListen(CommunityService communityService, Long communityId) { |
| | | this.communityService = communityService; |
| | | this.communityId = communityId; |
| | | } |
| | | |
| | | |
| | | private static final int BATCH_COUNT = 100; |
| | | private List<ComMngCarExcelVO> list = new ArrayList<>(); |
| | | @Override |
| | | public void invoke(ComMngCarExcelVO comMngCarExcelVO, AnalysisContext analysisContext) { |
| | | list.add(comMngCarExcelVO); |
| | | // 达到BATCH_COUNT了,需要去存储一次数据库,防止数据几万条数据在内存,容易OOM |
| | | if(list.size() >= BATCH_COUNT){ |
| | | if (list.size() >= BATCH_COUNT) { |
| | | log.info("excel导入数据【{}】", JSONObject.toJSONString(list)); |
| | | R r = this.communityService.listSaveMngCarExcelVO(list,this.communityId); |
| | | R r = this.communityService.listSaveMngCarExcelVO(list, this.communityId); |
| | | if (!R.isOk(r)) { |
| | | throw new ServiceException(r.getMsg()); |
| | | } |
| | | list.clear(); //清空list |
| | | list.clear(); // 清空list |
| | | } |
| | | |
| | | } |
| | |
| | | @Override |
| | | public void doAfterAllAnalysed(AnalysisContext analysisContext) { |
| | | log.info("excel导入数据【{}】", JSONObject.toJSONString(list)); |
| | | R r = this.communityService.listSaveMngCarExcelVO(list,this.communityId);//确保最后遗留的数据保存在数据库中 |
| | | R r = this.communityService.listSaveMngCarExcelVO(list, this.communityId);// 确保最后遗留的数据保存在数据库中 |
| | | if (!R.isOk(r)) { |
| | | throw new ServiceException(r.getMsg()); |
| | | } |