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update 优化 部门修改子元素关系 使用批量更新

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疯狂的狮子li 2022-03-04 09:26:26 +08:00
parent 4d0c84bcf5
commit c1d01fb1e1
3 changed files with 8 additions and 24 deletions
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8
ruoyi-system/src/main/java/com/ruoyi/system/mapper/SysDeptMapper.java
View File

@ -37,12 +37,4 @@ public interface SysDeptMapper extends BaseMapperPlus<SysDeptMapper, SysDept, Sy
*/
List<Long> selectDeptListByRoleId(@Param("roleId") Long roleId, @Param("deptCheckStrictly") boolean deptCheckStrictly);
/**
* 修改子元素关系
*
* @param depts 子元素
* @return 结果
*/
int updateDeptChildren(@Param("depts") List<SysDept> depts);
}

11
ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysDeptServiceImpl.java
View File

@ -21,6 +21,7 @@ import com.ruoyi.system.service.ISysDeptService;
import lombok.RequiredArgsConstructor;
import org.springframework.stereotype.Service;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
@ -234,11 +235,15 @@ public class SysDeptServiceImpl implements ISysDeptService {
public void updateDeptChildren(Long deptId, String newAncestors, String oldAncestors) {
List<SysDept> children = baseMapper.selectList(new LambdaQueryWrapper<SysDept>()
.apply("find_in_set({0},ancestors)", deptId));
List<SysDept> list = new ArrayList<>();
for (SysDept child : children) {
child.setAncestors(child.getAncestors().replaceFirst(oldAncestors, newAncestors));
SysDept dept = new SysDept();
dept.setDeptId(child.getDeptId());
dept.setAncestors(child.getAncestors().replaceFirst(oldAncestors, newAncestors));
list.add(dept);
}
if (children.size() > 0) {
baseMapper.updateDeptChildren(children);
if (list.size() > 0) {
baseMapper.updateBatchById(list);
}
}

13
ruoyi-system/src/main/resources/mapper/system/SysDeptMapper.xml
View File

@ -37,17 +37,4 @@
order by d.parent_id, d.order_num
</select>
<update id="updateDeptChildren" parameterType="java.util.List">
update sys_dept set ancestors =
<foreach collection="depts" item="item" index="index"
separator=" " open="case dept_id" close="end">
when #{item.deptId} then #{item.ancestors}
</foreach>
where dept_id in
<foreach collection="depts" item="item" index="index"
separator="," open="(" close=")">
#{item.deptId}
</foreach>
</update>
</mapper>