用户端代码提交

pz-system/src/main/java/com/pz/system/mapper/DepartmentMapper.java

@@ -5,6 +5,8 @@ import com.pz.system.domain.vo.DepartmentVo;
 import com.pz.common.core.mapper.BaseMapperPlus;
 import org.apache.ibatis.annotations.Mapper;
 
+import java.util.List;
+
 /**
  * 科室Mapper接口
  *
@@ -13,5 +15,5 @@ import org.apache.ibatis.annotations.Mapper;
  */
 @Mapper
 public interface DepartmentMapper extends BaseMapperPlus<DepartmentMapper, Department, DepartmentVo> {
-
+    List<DepartmentVo> selectDepartmentChildren(Integer parentId);
 }

pz-system/src/main/java/com/pz/system/service/impl/DepartmentServiceImpl.java

@@ -127,12 +127,11 @@ public class DepartmentServiceImpl implements IDepartmentService {
                 }
             }
 
-            //为根菜单设置子菜单，getClild是递归调用的
+
             for (DepartmentVo entity : rootMenu) {
                 entity.setLabel(entity.getTitle());
-                /* 获取根节点下的所有子节点 使用getChild方法*/
-                List<DepartmentVo> childList = getChild(entity.getId().toString(), allMenu);
-                entity.setChildren(childList);//给根节点设置子节点
+                //查询主科室下面所有的子科室
+                entity.setChildren(baseMapper.selectDepartmentChildren(entity.getValue()));
             }
             return rootMenu;
         }

pz-system/src/main/resources/mapper/system/DepartmentMapper.xml

+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
+<mapper namespace="com.pz.system.mapper.DepartmentMapper">
+    <select id="selectDepartmentChildren" resultType="com.pz.system.domain.vo.DepartmentVo">
+        select id as value,title as text from (
+                           select t1.id,t1.title,
+                                  if(find_in_set(parent_id, @pids) > 0, @pids := concat(@pids, ',', id), 0) as ischild
+                           from (
+                                    select id,parent_id,title from department t WHERE t.del_flag = 0 order by parent_id, id
+                                ) t1,
+                                (select @pids := #{parentId}) t2
+                       ) t3 where ischild != 0
+    </select>
+</mapper>