From 19514ff362a94a611888f371ffc43a00ec21a38a Mon Sep 17 00:00:00 2001
From: 16639036659 <577530412@qq.com>
Date: 星期二, 16 七月 2024 13:42:48 +0800
Subject: [PATCH] 数据导出
---
src/main/java/com/gkhy/fourierSpecialGasMonitor/service/impl/GasConcentrationServiceImpl.java | 38 ++++++++++++++++++++++++++++++++++++++
1 files changed, 38 insertions(+), 0 deletions(-)
diff --git a/src/main/java/com/gkhy/fourierSpecialGasMonitor/service/impl/GasConcentrationServiceImpl.java b/src/main/java/com/gkhy/fourierSpecialGasMonitor/service/impl/GasConcentrationServiceImpl.java
index 6f1f5d4..a094e91 100644
--- a/src/main/java/com/gkhy/fourierSpecialGasMonitor/service/impl/GasConcentrationServiceImpl.java
+++ b/src/main/java/com/gkhy/fourierSpecialGasMonitor/service/impl/GasConcentrationServiceImpl.java
@@ -5,12 +5,14 @@
import com.gkhy.fourierSpecialGasMonitor.commons.exception.BusinessException;
import com.gkhy.fourierSpecialGasMonitor.commons.model.PageQuery;
import com.gkhy.fourierSpecialGasMonitor.entity.GasConcentration;
+import com.gkhy.fourierSpecialGasMonitor.entity.GasFlux;
import com.gkhy.fourierSpecialGasMonitor.entity.GasWarnLog;
import com.gkhy.fourierSpecialGasMonitor.entity.GasWarnUser;
import com.gkhy.fourierSpecialGasMonitor.entity.query.FindGasWarnLogPageQuery;
import com.gkhy.fourierSpecialGasMonitor.entity.query.FindGasWarnUserPageQuery;
import com.gkhy.fourierSpecialGasMonitor.entity.query.GasAtmospherePageQuery;
import com.gkhy.fourierSpecialGasMonitor.entity.query.GasPageQuery;
+import com.gkhy.fourierSpecialGasMonitor.entity.req.GasConcentrationExportBO;
import com.gkhy.fourierSpecialGasMonitor.entity.resp.FindGasWarnUserPageRespDTO;
import com.gkhy.fourierSpecialGasMonitor.enums.DeleteStatusEnum;
import com.gkhy.fourierSpecialGasMonitor.repository.GasConcentrationRepository;
@@ -26,6 +28,7 @@
import javax.persistence.criteria.*;
import java.time.LocalDateTime;
+import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
@@ -120,4 +123,39 @@
List<GasConcentration> gasConcentrations = gasConcentrationRepository.findAll(specification);
return gasConcentrations;
}
+
+ @Override
+ public List<GasConcentration> gasConcentrationExport(GasConcentrationExportBO gasConcentrationExportBO) {
+
+ if(gasConcentrationExportBO.getPosition1() == null && gasConcentrationExportBO.getPosition2() == null
+ && gasConcentrationExportBO.getPosition3() == null){
+ gasConcentrationExportBO.setPosition1(1);
+ gasConcentrationExportBO.setPosition2(2);
+ gasConcentrationExportBO.setPosition3(3);
+ }
+
+ //封装查询参数
+ Specification<GasConcentration> specification = new Specification<GasConcentration>() {
+ @Override
+ public Predicate toPredicate(Root<GasConcentration> root, CriteriaQuery<?> query, CriteriaBuilder criteriaBuilder) {
+ List<Predicate> predicateList = new ArrayList<>();
+ if (gasConcentrationExportBO.getStartTime() != null && !gasConcentrationExportBO.getStartTime().equals("")){
+ predicateList.add(criteriaBuilder.greaterThanOrEqualTo(root.get("time"), gasConcentrationExportBO.getStartTime()));
+ }
+ if (gasConcentrationExportBO.getEndTime() != null && !gasConcentrationExportBO.getEndTime().equals("")){
+ predicateList.add(criteriaBuilder.lessThanOrEqualTo(root.get("time"), gasConcentrationExportBO.getEndTime()));
+ }
+ predicateList.add(criteriaBuilder.or(
+ criteriaBuilder.equal(root.get("position"), gasConcentrationExportBO.getPosition1()),
+ criteriaBuilder.equal(root.get("position"), gasConcentrationExportBO.getPosition2()),
+ criteriaBuilder.equal(root.get("position"), gasConcentrationExportBO.getPosition3())
+ )
+ );
+ query.orderBy(criteriaBuilder.asc(root.get("time")),criteriaBuilder.asc(root.get("position")));
+ return criteriaBuilder.and(predicateList.toArray(new Predicate[0]));
+ }
+ };
+ List<GasConcentration> result = gasConcentrationRepository.findAll(specification);
+ return result;
+ }
}
--
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