48 lines
1.6 KiB
Java
48 lines
1.6 KiB
Java
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package com.xkrs.utils;
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import org.springframework.data.jpa.domain.Specification;
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import org.springframework.stereotype.Component;
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import javax.annotation.Resource;
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import javax.persistence.criteria.CriteriaBuilder;
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import javax.persistence.criteria.CriteriaQuery;
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import javax.persistence.criteria.Predicate;
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import javax.persistence.criteria.Root;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* @author XinYi Song
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*/
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@Component
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public class Query {
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/*@Resource
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private ProjectOverviewDao projectOverviewDao;*/
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/**
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* 动态多条件查询项目信息
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* @param
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* @return
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*/
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/*public List<ProjectOverview> selectProjectByDynamic(String projectNumber, String projectName) {
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Specification<ProjectOverview> specification = new Specification<ProjectOverview>() {
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@Override
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public Predicate toPredicate(Root<ProjectOverview> root, CriteriaQuery<?> criteriaQuery, CriteriaBuilder criteriaBuilder) {
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List<Predicate> list = new ArrayList<>();
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if (projectNumber != null && !"".equals(projectNumber)) {
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list.add(criteriaBuilder.equal(root.get("projectNumber").as(String.class), projectNumber));
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}
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if (projectName != null && !"".equals(projectName)) {
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list.add(criteriaBuilder.like(root.get("projectName").as(String.class), "%" + projectName + "%"));
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}
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Predicate[] predicates = new Predicate[list.size()];
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return criteriaBuilder.and(list.toArray(predicates));
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}
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};
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return projectOverviewDao.findAll(specification);
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}*/
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}
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