2.12 博客分类列表

src/main/java/cn/meteor/beyondclouds/modules/blog/api/BlogCategoryApi.java

+package cn.meteor.beyondclouds.modules.blog.api;
+
+import cn.meteor.beyondclouds.core.annotation.Anonymous;
+import cn.meteor.beyondclouds.core.api.Response;
+import cn.meteor.beyondclouds.modules.blog.entity.BlogCategory;
+import cn.meteor.beyondclouds.modules.blog.service.IBlogCategoryService;
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiOperation;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.List;
+
+/**
+ * @author gaoTong
+ * @date 2020/2/12 10:04
+ */
+@Api(tags = "博客分类Api")
+@RestController
+@RequestMapping("/api")
+public class BlogCategoryApi {
+
+    private IBlogCategoryService blogCategoryService;
+
+    @Autowired
+    public void setBlogCategoryService(IBlogCategoryService blogCategoryService) {
+        this.blogCategoryService = blogCategoryService;
+    }
+
+    @Anonymous
+    @ApiOperation("获取博客分类")
+    @GetMapping("/bolg/categories")
+    public Response<List<BlogCategory>> getBlogCategories () {
+        return Response.success(blogCategoryService.getBlogCategory());
+    }
+
+}

src/main/java/cn/meteor/beyondclouds/modules/blog/service/IBlogCategoryService.java

@@ -3,6 +3,8 @@ package cn.meteor.beyondclouds.modules.blog.service;
 import cn.meteor.beyondclouds.modules.blog.entity.BlogCategory;
 import cn.meteor.beyondclouds.modules.blog.entity.BlogCategory;
 import com.baomidou.mybatisplus.extension.service.IService;
 import com.baomidou.mybatisplus.extension.service.IService;
 
 
+import java.util.List;
+
 /**
 /**
  * <p>
  * <p>
  * 博客类别表 服务类
  * 博客类别表 服务类
@@ -13,4 +15,9 @@ import com.baomidou.mybatisplus.extension.service.IService;
  */
  */
 public interface IBlogCategoryService extends IService<BlogCategory> {
 public interface IBlogCategoryService extends IService<BlogCategory> {
 
 
+    /**
+     * 获取博客分类列表
+     * @return
+     */
+    List<BlogCategory> getBlogCategory();
 }
 }

src/main/java/cn/meteor/beyondclouds/modules/blog/service/impl/BlogCategoryServiceImpl.java

@@ -3,9 +3,12 @@ package cn.meteor.beyondclouds.modules.blog.service.impl;
 import cn.meteor.beyondclouds.modules.blog.entity.BlogCategory;
 import cn.meteor.beyondclouds.modules.blog.entity.BlogCategory;
 import cn.meteor.beyondclouds.modules.blog.mapper.BlogCategoryMapper;
 import cn.meteor.beyondclouds.modules.blog.mapper.BlogCategoryMapper;
 import cn.meteor.beyondclouds.modules.blog.service.IBlogCategoryService;
 import cn.meteor.beyondclouds.modules.blog.service.IBlogCategoryService;
+import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import org.springframework.stereotype.Service;
 import org.springframework.stereotype.Service;
 
 
+import java.util.List;
+
 /**
 /**
  * <p>
  * <p>
  * 博客类别表 服务实现类
  * 博客类别表 服务实现类
@@ -17,4 +20,13 @@ import org.springframework.stereotype.Service;
 @Service
 @Service
 public class BlogCategoryServiceImpl extends ServiceImpl<BlogCategoryMapper, BlogCategory> implements IBlogCategoryService {
 public class BlogCategoryServiceImpl extends ServiceImpl<BlogCategoryMapper, BlogCategory> implements IBlogCategoryService {
 
 
+    @Override
+    public List<BlogCategory> getBlogCategory() {
+        //只获取第一层分类
+        QueryWrapper<BlogCategory> blogCategoryQueryWrapper = new QueryWrapper<>();
+        blogCategoryQueryWrapper.isNull(true, "parent_id");
+        blogCategoryQueryWrapper.orderByAsc("category_id");
+        List<BlogCategory> blogCategoryList = list(blogCategoryQueryWrapper);
+        return blogCategoryList;
+    }
 }
 }