代码优化，避免【菜单、部门】移动节点时出现PID数据环形问题

close https://github.com/elunez/eladmin/issues/803

eladmin-system/src/main/java/me/zhengjie/modules/system/rest/DeptController.java

@@ -34,6 +34,7 @@ import org.springframework.validation.annotation.Validated;
 import org.springframework.web.bind.annotation.*;
 import javax.servlet.http.HttpServletResponse;
 import java.util.*;
+import java.util.stream.Collectors;
 
 /**
 * @author Zheng Jie
@@ -71,8 +72,15 @@ public class DeptController {
         for (Long id : ids) {
             DeptDto deptDto = deptService.findById(id);
             List<DeptDto> depts = deptService.getSuperior(deptDto, new ArrayList<>());
+            for (DeptDto dept : depts) {
+                if(dept.getId().equals(deptDto.getPid())) {
+                    dept.setSubCount(dept.getSubCount() - 1);
+                }
+            }
             deptSet.addAll(depts);
         }
+        // 编辑部门时不显示自己以及自己下级的数据，避免出现PID数据环形问题
+        deptSet = deptSet.stream().filter(i -> !ids.contains(i.getId())).collect(Collectors.toSet());
         return new ResponseEntity<>(deptService.buildTree(new ArrayList<>(deptSet)),HttpStatus.OK);
     }
 

eladmin-system/src/main/java/me/zhengjie/modules/system/rest/MenuController.java

@@ -24,6 +24,7 @@ import me.zhengjie.modules.system.domain.Menu;
 import me.zhengjie.exception.BadRequestException;
 import me.zhengjie.modules.system.domain.vo.MenuVo;
 import me.zhengjie.modules.system.service.MenuService;
+import me.zhengjie.modules.system.service.dto.DeptDto;
 import me.zhengjie.modules.system.service.dto.MenuDto;
 import me.zhengjie.modules.system.service.dto.MenuQueryCriteria;
 import me.zhengjie.modules.system.service.mapstruct.MenuMapper;
@@ -43,7 +44,6 @@ import java.util.stream.Collectors;
  * @author Zheng Jie
  * @date 2018-12-03
  */
-
 @RestController
 @RequiredArgsConstructor
 @Api(tags = "系统：菜单管理")
@@ -104,8 +104,16 @@ public class MenuController {
         if(CollectionUtil.isNotEmpty(ids)){
             for (Long id : ids) {
                 MenuDto menuDto = menuService.findById(id);
-                menuDtos.addAll(menuService.getSuperior(menuDto, new ArrayList<>()));
+                List<MenuDto> menuDtoList = menuService.getSuperior(menuDto, new ArrayList<>());
+                for (MenuDto menu : menuDtoList) {
+                    if(menu.getId().equals(menuDto.getPid())) {
+                        menu.setSubCount(menu.getSubCount() - 1);
+                    }
+                }
+                menuDtos.addAll(menuDtoList);
             }
+            // 编辑菜单时不显示自己以及自己下级的数据，避免出现PID数据环形问题
+            menuDtos = menuDtos.stream().filter(i -> !ids.contains(i.getId())).collect(Collectors.toSet());
             return new ResponseEntity<>(menuService.buildTree(new ArrayList<>(menuDtos)),HttpStatus.OK);
         }
         return new ResponseEntity<>(menuService.getMenus(null),HttpStatus.OK);