新增资源分类管理

src/main/java/xyz/playedu/api/service/ResourceCategoryService.java

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+package xyz.playedu.api.service;
+
+import xyz.playedu.api.domain.ResourceCategory;
+import com.baomidou.mybatisplus.extension.service.IService;
+
+import java.util.List;
+
+/**
+ * @author tengteng
+ * @description 针对表【resource_categories】的数据库操作Service
+ * @createDate 2023-02-23 09:50:18
+ */
+public interface ResourceCategoryService extends IService<ResourceCategory> {
+
+    List<ResourceCategory> getByType(String type);
+
+}

src/main/java/xyz/playedu/api/service/impl/ResourceCategoryServiceImpl.java

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+package xyz.playedu.api.service.impl;
+
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import xyz.playedu.api.domain.ResourceCategory;
+import xyz.playedu.api.service.ResourceCategoryService;
+import xyz.playedu.api.mapper.ResourceCategoryMapper;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+/**
+ * @author tengteng
+ * @description 针对表【resource_categories】的数据库操作Service实现
+ * @createDate 2023-02-23 09:50:18
+ */
+@Service
+public class ResourceCategoryServiceImpl extends ServiceImpl<ResourceCategoryMapper, ResourceCategory>
+        implements ResourceCategoryService {
+    @Override
+    public List<ResourceCategory> getByType(String type) {
+        return list(query().getWrapper().eq("type", type).orderByAsc("id"));
+    }
+}
+
+
+
+