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Code Issues Releases Wiki Activity

多条件分页查询物料信息

pull/451/head
starrysky 2019-07-30 11:22:52 +08:00
parent dc88fe1634
commit 6466d75b6a
2 changed files with 72 additions and 15 deletions
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2
eladmin-system/src/main/java/me/zhengjie/modules/wms/bd/service/dto/MaterialInfoQueryCriteria.java
View File

@ -17,4 +17,6 @@ public class MaterialInfoQueryCriteria {
@Query(type = Query.Type.INNER_LIKE)
private String materialCode;
private Long materialCategoryId;
}

57
eladmin-system/src/main/java/me/zhengjie/modules/wms/bd/service/impl/MaterialInfoServiceImpl.java
View File

@ -13,16 +13,27 @@ import me.zhengjie.modules.wms.bd.service.dto.MaterialInfoDTO;
import me.zhengjie.modules.wms.bd.service.dto.MaterialInfoQueryCriteria;
import me.zhengjie.modules.wms.bd.service.mapper.MaterialInfoMapper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.jpa.domain.Specification;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;
import java.util.ArrayList;
import java.util.List;
import java.util.Optional;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import me.zhengjie.utils.PageUtil;
import me.zhengjie.utils.QueryHelp;
import org.springframework.util.CollectionUtils;
import org.springframework.util.StringUtils;
import javax.persistence.criteria.CriteriaBuilder;
import javax.persistence.criteria.CriteriaQuery;
import javax.persistence.criteria.Predicate;
import javax.persistence.criteria.Root;
/**
* @author 黄星星
* @date 2019-07-27
@ -45,7 +56,51 @@ public class MaterialInfoServiceImpl implements MaterialInfoService {
@Override
public Object queryAll(MaterialInfoQueryCriteria criteria, Pageable pageable) {
Page<MaterialInfo> page = materialInfoRepository.findAll((root, criteriaQuery, criteriaBuilder) -> QueryHelp.getPredicate(root,criteria,criteriaBuilder),pageable);
Specification<MaterialInfo> specification = new Specification<MaterialInfo>() {
@Override
public Predicate toPredicate(Root<MaterialInfo> root, CriteriaQuery<?> criteriaQuery, CriteriaBuilder criteriaBuilder) {
List<Predicate> targetPredicateList = new ArrayList<>();
List<Predicate> nameOrMaterialCodeList = new ArrayList<>();
String name = criteria.getName();
if (!StringUtils.isEmpty(name)) {
Predicate namePredicate = criteriaBuilder.like(root.get("name"), "%" + name + "%");
nameOrMaterialCodeList.add(namePredicate);
}
String materialCode = criteria.getMaterialCode();
if (!StringUtils.isEmpty(materialCode)) {
Predicate materialCodePredicate = criteriaBuilder.like(root.get("materialCode"), "%" + materialCode + "%");
nameOrMaterialCodeList.add(materialCodePredicate);
}
//name与materialCode组装成
Predicate nameOrMaterialCodePredicate = null;
if (!CollectionUtils.isEmpty(nameOrMaterialCodeList)) {
nameOrMaterialCodePredicate = criteriaBuilder.or(nameOrMaterialCodeList.toArray(new Predicate[nameOrMaterialCodeList.size()]));
targetPredicateList.add(nameOrMaterialCodePredicate);
}
Predicate materialCategoryIdPredicate = null;
Long materialCategoryId = criteria.getMaterialCategoryId();
if (null != materialCategoryId) {
materialCategoryIdPredicate = criteriaBuilder.equal(root.get("materialCategoryId"), materialCategoryId);
targetPredicateList.add(materialCategoryIdPredicate);
}
if(CollectionUtils.isEmpty(targetPredicateList)){
return null;
}else{
return criteriaBuilder.and(targetPredicateList.toArray(new Predicate[targetPredicateList.size()]));
}
}
};
Page<MaterialInfo> page = materialInfoRepository.findAll(specification, pageable);
return PageUtil.toPage(page.map(materialInfoMapper::toDto));
}