初版菜单搜索优化

muyu-modules/muyu-system/muyu-system-server/pom.xml

@@ -120,6 +120,14 @@
                     </execution>
                 </executions>
             </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>8</source>
+                    <target>8</target>
+                </configuration>
+            </plugin>
         </plugins>
     </build>
 

muyu-modules/muyu-system/muyu-system-server/src/main/java/com/muyu/system/mapper/SysMenuMapper.java

@@ -123,4 +123,11 @@ public interface SysMenuMapper {
      * @return 结果
      */
     public SysMenu checkMenuNameUnique(@Param("menuName") String menuName, @Param("parentId") Long parentId);
+
+    /**
+     * 根据父菜单ID查询子菜单
+     * @param parentId
+     * @return
+     */
+    List<SysMenu> selectMenuByParentId(@Param("parentId") Long parentId);
 }

muyu-modules/muyu-system/muyu-system-server/src/main/java/com/muyu/system/service/impl/SysMenuServiceImpl.java

@@ -57,39 +57,63 @@ public class SysMenuServiceImpl implements ISysMenuService {
      */
     @Override
     public List<SysMenu> selectMenuList(SysMenu menu, Long userId) {
+        int size = menuMapper.selectMenuList(new SysMenu()).size();
         List<SysMenu> menuList = null;
-        String menuName = menu.getMenuName();
         // 管理员显示所有菜单信息
-        if (SysUser.isAdmin(userId)) {
+        if(SysUser.isAdmin(userId)){
             menuList = menuMapper.selectMenuList(menu);
-
         } else {
             menu.getParams().put("userId", userId);
             menuList = menuMapper.selectMenuListByUserId(menu);
         }
-        List<SysMenu> finalMenuList = menuList;
-        return menuList.stream()
-                .parallel()
-                .filter(sysMenu -> sysMenu.getParentId().equals(sysMenu.getMenuId()))
-                .map(first -> {
-                    first.setChildren(getChildren(first.getMenuId(), finalMenuList).isEmpty() ? null :
-                            getChildren(first.getMenuId(), finalMenuList));
-                    return first;
-                })
-                .collect(Collectors.toList());
+        // 菜单对象数量与数据库中数量不相等
+        if (menuList.size() != size) {
+            List<SysMenu> sysMenuList = new ArrayList<>();
+            // 遍历获取子级、父级菜单
+            menuList.forEach(item -> {
+                sysMenuList.addAll(childrenMenu(item));
+                if (item.getParentId() != 0){
+                    sysMenuList.addAll(parentMenu(item));
+                }
+            });
+            menuList.addAll(sysMenuList);
+            menuList = new ArrayList<>(new HashSet<>(menuList));
+        }
+        return menuList;
     }
 
-    private List<SysMenu> getChildren(Long parentId, List<SysMenu> menus) {
-        List<SysMenu> collect = menus.stream()
-                .parallel()
-                .filter(sysMenu -> parentId.equals(sysMenu.getParentId()))
-                .map(second -> {
-                    second.setChildren(getChildren(second.getMenuId(), menus).isEmpty() ? null
-                            : getChildren(second.getMenuId(), menus));
-                    return second;
-                })
-                .collect(Collectors.toList());
-        return collect;
+    /**
+     * 获取子级菜单
+     * @param menus
+     * @return 子级菜单列表
+     */
+    public List<SysMenu> childrenMenu(SysMenu menus){
+        // 详细
+//        List<SysMenu> sysMenus = menuMapper.selectMenuByParentId(menus.getMenuId());
+//        List<SysMenu> childrenMenu = new ArrayList<>(sysMenus);
+//        if (sysMenus.size() > 0){
+//            for (SysMenu sysMenu : sysMenus) {
+//                childrenMenu(sysMenu);
+//            }
+//        }
+//        return childrenMenu;
+        List<SysMenu> sysMenus = menuMapper.selectMenuByParentId(menus.getMenuId());
+        return new ArrayList<>(sysMenus);
+    }
+
+    /**
+     * 获取父级菜单
+     * @param menu
+     * @return 父级菜单列表
+     */
+    public List<SysMenu> parentMenu(SysMenu menu){
+        List<SysMenu> parentMenu = new ArrayList<>();
+        SysMenu sysMenu = menuMapper.selectMenuById(menu.getParentId());
+        parentMenu.add(sysMenu);
+        if (sysMenu.getParentId() != 0){
+            parentMenu.addAll(parentMenu(sysMenu));
+        }
+        return parentMenu;
     }
 
     /**

muyu-modules/muyu-system/muyu-system-server/src/main/resources/mapper/system/SysMenuMapper.xml

@@ -186,6 +186,11 @@
         where menu_name=#{menuName} and parent_id = #{parentId} limit 1
     </select>
 
+    <select id="selectMenuByParentId" resultType="com.muyu.system.common.domain.SysMenu">
+        <include refid="selectMenuVo"/>
+        where parent_id = #{parentId}
+    </select>
+
     <update id="updateMenu" parameterType="com.muyu.system.common.domain.SysMenu">
         update sys_menu
         <set>