【新增】资源分类接口

src/main/java/com/corewing/app/dto/ResourceCategoryTreeRequest.java

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+package com.corewing.app.dto;
+
+import lombok.Data;
+
+@Data
+public class ResourceCategoryTreeRequest {
+}

src/main/java/com/corewing/app/entity/BizResourceCategory.java

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+package com.corewing.app.entity;
+
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.corewing.app.common.base.CommonEntity;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+
+@EqualsAndHashCode(callSuper = true)
+@Data
+public class BizResourceCategory extends CommonEntity {
+
+    @TableId
+    private String id;
+
+    private String categoryName;
+
+    private String parentId;
+
+    private Integer sortCode;
+
+    private String remark;
+
+    private String extJson;
+
+}

src/main/java/com/corewing/app/mapper/BizResourceCategoryMapper.java

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+package com.corewing.app.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.corewing.app.entity.BizResourceCategory;
+import org.apache.ibatis.annotations.Mapper;
+
+@Mapper
+public interface BizResourceCategoryMapper extends BaseMapper<BizResourceCategory> {
+
+}

src/main/java/com/corewing/app/modules/downloadCenter/BizResourceCategoryController.java

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+package com.corewing.app.modules.downloadCenter;
+
+import cn.hutool.core.lang.tree.Tree;
+import com.corewing.app.common.Result;
+import com.corewing.app.dto.ResourceCategoryTreeRequest;
+import com.corewing.app.service.BizResourceCategoryService;
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiOperation;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import javax.annotation.Resource;
+import java.util.List;
+
+/**
+ * 资源分类接口
+ */
+@Api(tags = "资源分类接口")
+@RestController
+@RequestMapping("/api/app/resource_category")
+public class BizResourceCategoryController {
+
+    @Resource
+    private BizResourceCategoryService bizResourceCategoryService;
+
+    /**
+     * 获取分类树形集合
+     * @param resourceCategoryTreeRequest
+     * @return
+     */
+    @ApiOperation("分类树形集合")
+    @GetMapping("/tree")
+    public Result<List<Tree<String>>> categoryTree(ResourceCategoryTreeRequest resourceCategoryTreeRequest) {
+        return Result.success(bizResourceCategoryService.tree(resourceCategoryTreeRequest));
+    }
+
+}

src/main/java/com/corewing/app/service/BizResourceCategoryService.java

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+package com.corewing.app.service;
+
+import cn.hutool.core.lang.tree.Tree;
+import com.baomidou.mybatisplus.extension.service.IService;
+import com.corewing.app.dto.ResourceCategoryTreeRequest;
+import com.corewing.app.entity.BizResourceCategory;
+
+import java.util.List;
+
+public interface BizResourceCategoryService extends IService<BizResourceCategory> {
+
+    List<Tree<String>> tree(ResourceCategoryTreeRequest resourceCategoryTreeRequest);
+}

src/main/java/com/corewing/app/service/impl/BizResourceCategoryServiceImpl.java

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+package com.corewing.app.service.impl;
+
+import cn.hutool.core.collection.CollUtil;
+import cn.hutool.core.lang.tree.Tree;
+import cn.hutool.core.lang.tree.TreeNode;
+import cn.hutool.core.lang.tree.TreeUtil;
+import cn.hutool.core.util.StrUtil;
+import cn.hutool.json.JSONUtil;
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.corewing.app.dto.ResourceCategoryTreeRequest;
+import com.corewing.app.entity.AppModelCategory;
+import com.corewing.app.entity.BizResourceCategory;
+import com.corewing.app.mapper.BizResourceCategoryMapper;
+import com.corewing.app.service.BizResourceCategoryService;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+import java.util.Set;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.function.Function;
+import java.util.function.Predicate;
+import java.util.stream.Collectors;
+
+@Service
+public class BizResourceCategoryServiceImpl extends ServiceImpl<BizResourceCategoryMapper, BizResourceCategory> implements BizResourceCategoryService {
+
+
+    @Override
+    public List<Tree<String>> tree(ResourceCategoryTreeRequest resourceCategoryTreeRequest) {
+        LambdaQueryWrapper<BizResourceCategory> queryWrapper = new LambdaQueryWrapper<>();
+        List<BizResourceCategory> resourceList = list(queryWrapper);
+
+        // 填充上层的父级菜单
+        this.fillParentCategoryInfo(resourceList);
+
+        List<TreeNode<String>> treeNodeList = resourceList.stream().map(category ->
+                        new TreeNode<>(category.getId(), category.getParentId(),
+                                category.getCategoryName(), category.getSortCode()).setExtra(JSONUtil.parseObj(category)))
+                .collect(Collectors.toList());
+        return TreeUtil.build(treeNodeList, "0");
+    }
+
+    private void fillParentCategoryInfo(List<BizResourceCategory> categoryList) {
+        if(CollUtil.isNotEmpty(categoryList)){
+            List<BizResourceCategory> parentResourceCategoryList = categoryList.stream().filter(distinctByKey(BizResourceCategory::getParentId)).collect(Collectors.toList());
+
+            List<String> parentIds = null;
+            if(CollUtil.isNotEmpty(parentResourceCategoryList)){
+                parentIds = CollUtil.newArrayList();
+                for(BizResourceCategory parentCategory : categoryList){
+                    if(!StrUtil.equals(parentCategory.getParentId(),"0")){
+                        parentIds.add(parentCategory.getParentId());
+                    }
+                }
+            }
+            if(CollUtil.isNotEmpty(parentIds)){
+                LambdaQueryWrapper<BizResourceCategory> parentCategoryLambdaQueryWrapper = new LambdaQueryWrapper<>();
+                parentCategoryLambdaQueryWrapper.in(BizResourceCategory::getId,parentIds);
+                List<BizResourceCategory> parentCategoryList = this.list(parentCategoryLambdaQueryWrapper);
+                if(CollUtil.isNotEmpty(parentCategoryList)){
+                    this.fillParentCategoryInfo(parentCategoryList);
+                    categoryList.addAll(parentCategoryList);
+                }
+            }
+        }
+    }
+
+    private static <T> Predicate<T> distinctByKey(Function<? super T, ?> keyExtractor) {
+        Set<Object> seen = ConcurrentHashMap.newKeySet();
+        return t -> seen.add(keyExtractor.apply(t));
+    }
+}

src/main/resources/mapper/BizResourceCategoryMapper.xml

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+<?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.corewing.app.mapper.BizResourceCategoryMapper">
+
+
+
+</mapper>