feat(修改): 查询菜单

spzx-common/common-service/src/main/java/com/atguigu/utils/MenuHelper.java

@@ -0,0 +1,46 @@
+package com.atguigu.utils;
+
+
+import com.atguigu.spzx.model.entity.system.SysMenu;
+
+import java.util.ArrayList;
+import java.util.List;
+
+
+public class MenuHelper {
+    /**
+     * 构建树型结构
+     *
+     * @param sysMenuList 系统菜单列表
+     * @return 菜单结构列表
+     */
+    public static List<SysMenu> buildTree(List<SysMenu> sysMenuList) {
+        ArrayList<SysMenu> tress = new ArrayList<>();
+        // 把菜单数据进行遍历
+        sysMenuList.forEach(sysMenu -> {
+            if (sysMenu.getParentId() == 0) tress.add(getChildren(sysMenu, sysMenuList));
+        });
+        return tress;
+    }
+
+    /**
+     * 构建递归循环
+     *
+     * @param sysMenu     当前菜单对象
+     * @param sysMenuList 全部菜单列表
+     * @return 菜单
+     */
+    private static SysMenu getChildren(SysMenu sysMenu, List<SysMenu> sysMenuList) {
+        // 遍历所有菜单数据，判断id和parentID对应关系
+        sysMenu.setChildren(new ArrayList<>());
+
+        sysMenuList.forEach(menu -> {
+            if (menu.getChildren() == null) menu.setChildren(new ArrayList<>());
+            if (sysMenu.getId().equals(menu.getParentId())) {
+                sysMenu.getChildren().add(getChildren(menu, sysMenuList));
+            }
+        });
+
+        return sysMenu;
+    }
+}

spzx-manager/src/main/java/com/atguigu/spzx/manger/controller/SysMenuController.java

@@ -1,8 +1,11 @@
 package com.atguigu.spzx.manger.controller;
 
+import com.atguigu.spzx.manger.service.SysMenuService;
 import com.atguigu.spzx.model.entity.system.SysMenu;
 import com.atguigu.spzx.model.vo.result.Result;
 import com.atguigu.spzx.model.vo.result.ResultCodeEnum;
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.tags.Tag;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
@@ -10,6 +13,7 @@ import org.springframework.web.bind.annotation.RestController;
 
 import java.util.List;
 
+@Tag(name = "菜单管理接口")
 @RestController
 @RequestMapping(value = "/admin/system/sysMenu")
 public class SysMenuController {
@@ -17,10 +21,10 @@ public class SysMenuController {
     @Autowired
     private SysMenuService sysMenuService;
 
+    @Operation(summary = "查询菜单", description = "查询菜单内容")
     @GetMapping("/findNodes")
     public Result<List<SysMenu>> findNodes() {
         List<SysMenu> list = sysMenuService.findNodes();
         return Result.build(list, ResultCodeEnum.SUCCESS);
     }
-
 }

spzx-manager/src/main/java/com/atguigu/spzx/manger/mapper/SysMenuMapper.java

@@ -0,0 +1,16 @@
+package com.atguigu.spzx.manger.mapper;
+
+import com.atguigu.spzx.model.entity.system.SysMenu;
+import org.apache.ibatis.annotations.Mapper;
+
+import java.util.List;
+
+@Mapper
+public interface SysMenuMapper {
+    /**
+     * 查询菜单
+     *
+     * @return 菜单列表
+     */
+    List<SysMenu> selectAll();
+}

spzx-manager/src/main/java/com/atguigu/spzx/manger/service/SysMenuService.java

@@ -0,0 +1,14 @@
+package com.atguigu.spzx.manger.service;
+
+import com.atguigu.spzx.model.entity.system.SysMenu;
+
+import java.util.List;
+
+public interface SysMenuService {
+    /**
+     * 查询菜单
+     *
+     * @return 菜单列表
+     */
+    List<SysMenu> findNodes();
+}

spzx-manager/src/main/java/com/atguigu/spzx/manger/service/impl/SysMenuServiceImpl.java

@@ -0,0 +1,28 @@
+package com.atguigu.spzx.manger.service.impl;
+
+import com.atguigu.spzx.manger.mapper.SysMenuMapper;
+import com.atguigu.spzx.manger.service.SysMenuService;
+import com.atguigu.spzx.model.entity.system.SysMenu;
+import com.atguigu.utils.MenuHelper;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+@Service
+public class SysMenuServiceImpl implements SysMenuService {
+    @Autowired
+    private SysMenuMapper sysMenuMapper;
+
+    /**
+     * 查询菜单
+     *
+     * @return 菜单列表
+     */
+    @Override
+    public List<SysMenu> findNodes() {
+        List<SysMenu> sysMenuList = sysMenuMapper.selectAll();
+
+        return MenuHelper.buildTree(sysMenuList);
+    }
+}

spzx-manager/src/main/resources/mapper/SysMenuMapper.xml

@@ -0,0 +1,17 @@
+<?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.atguigu.spzx.manger.mapper.SysMenuMapper">
+    <resultMap id="sysMenuMap" type="com.atguigu.spzx.model.entity.system.SysMenu" autoMapping="true"/>
+
+    <!-- 用于select查询公用抽取的列 -->
+    <sql id="columns">
+        id,parent_id,title,component,sort_value,status,create_time,update_time,is_deleted
+    </sql>
+
+    <!-- 查询菜单 -->
+    <select id="selectAll" resultType="com.atguigu.spzx.model.entity.system.SysMenu">
+        select
+        <include refid="columns"/>
+        from sys_menu where is_deleted = 0 order by sort_value
+    </select>
+</mapper>