查询所有分类后端完成

bookshelfplus-frontend/routes/index.js

@@ -15,7 +15,6 @@ router.get('/search', function (req, res) {
 });
 
 router.get('/category', function (req, res) {
-    console.log(req)
     if (req.query.id) {
         // 分类详情页
         res.render('category-details', {

bookshelfplus-frontend/views/category.html

@@ -13,50 +13,39 @@
     </main>
     <%- include("./component/footer.html"); %>
 
-    <!-- 获取参数 -->
-    <script src="/assets/javascripts/getParams.js"></script>
     <script>
-        // var requestParams = getParams();
-        // var searchbox = document.getElementById("searchInput");
-        // var categoryId = requestParams["id"] ?? "";
-        // console.log("categoryId", categoryId);
-        // if (categoryId === "") {
-        //     location.href = "/search";
-        // }
-    </script>
-    <script>
-        // getRequest("/category/get", { id: categoryId })
-        //     .then(function (response) {
-        //         var axiosData = response.data;
-        //         var status = axiosData.status;
-        //         var data = axiosData.data;
-        //         if (status === "success") {
-        //             console.log(data)
-        //             if (data.description == "")
-        //                 data.description = "暂无描述";
+        getRequest("/category/list")
+            .then(function (response) {
+                var axiosData = response.data;
+                var status = axiosData.status;
+                var data = axiosData.data;
+                if (status === "success") {
+                    console.log(data)
+                    // if (data.description == "")
+                    //     data.description = "暂无描述";
 
-        //             var topCategory = data.parentId !== 0 ? `<a href="/category?id=${data.parentId}">上级分类</a>` : "";
-        //             document.getElementById("container").innerHTML = `
-        //             <div class="grid">
-        //                 <div class="grid-item">
-        //                     <h1>${data.name}</h1>
-        //                     <p>分类ID: ${data.id}</p>
-        //                     <p>${topCategory}</p>
-        //                 </div>
-        //                 <div class="grid-item">
-        //                     <h2>简介</h2>
-        //                     <p>${data.description}</p>
-        //                 </div>
-        //             </div>`;
+                    // var topCategory = data.parentId !== 0 ? `<a href="/category?id=${data.parentId}">上级分类</a>` : "";
+                    // document.getElementById("container").innerHTML = `
+                    // <div class="grid">
+                    //     <div class="grid-item">
+                    //         <h1>${data.name}</h1>
+                    //         <p>分类ID: ${data.id}</p>
+                    //         <p>${topCategory}</p>
+                    //     </div>
+                    //     <div class="grid-item">
+                    //         <h2>简介</h2>
+                    //         <p>${data.description}</p>
+                    //     </div>
+                    // </div>`;
 
-        //             // 渲染后重新获取一次字体
-        //             fontmin(getPageText());
-        //         } else {
-        //             alert(`出错啦！${data.errMsg} (错误码: ${data.errCode}) `);
-        //         }
-        //     }).catch(function (error) {
-        //         console.log(error);
-        //     });
+                    // 渲染后重新获取一次字体
+                    fontmin(getPageText());
+                } else {
+                    alert(`出错啦！${data.errMsg} (错误码: ${data.errCode}) `);
+                }
+            }).catch(function (error) {
+                console.log(error);
+            });
     </script>
 </body>
 </html>

bookshelfplus/src/main/java/plus/bookshelf/Controller/Controller/CategoryController.java

@@ -17,6 +17,9 @@ import plus.bookshelf.Service.Model.CategoryModel;
 import plus.bookshelf.Service.Service.BookService;
 import plus.bookshelf.Service.Service.CategoryService;
 
+import java.util.ArrayList;
+import java.util.List;
+
 @Api(tags = "书籍分类信息")
 @Controller("category")
 @RequestMapping("/category")
@@ -25,7 +28,7 @@ public class CategoryController extends BaseController {
     @Autowired
     CategoryService categoryService;
 
-    @ApiOperation(value = "获取书籍分类", notes = "获取书籍分类")
+    @ApiOperation(value = "获取指定分类", notes = "获取指定的书籍分类")
     @RequestMapping(value = "get", method = {RequestMethod.GET})
     @ResponseBody
     public CommonReturnType get(@RequestParam(value = "id") Integer id) {
@@ -38,6 +41,19 @@ public class CategoryController extends BaseController {
         return CommonReturnType.create(categoryVO);
     }
 
+    @ApiOperation(value = "获取所有分类", notes = "获取所有的书籍分类")
+    @RequestMapping(value = "list", method = {RequestMethod.GET})
+    @ResponseBody
+    public CommonReturnType getAll() {
+        List<CategoryModel> categoryModels = categoryService.getAllCategorys();
+        List<CategoryVO> categoryVOS = new ArrayList<>();
+        for (CategoryModel categoryModel : categoryModels) {
+            CategoryVO categoryVO = convertFromModel(categoryModel);
+            categoryVOS.add(categoryVO);
+        }
+        return CommonReturnType.create(categoryVOS);
+    }
+
     private CategoryVO convertFromModel(CategoryModel categoryModel) {
         if (categoryModel == null) {
             return null;

bookshelfplus/src/main/java/plus/bookshelf/Dao/Mapper/CategoryDOMapper.java

@@ -62,4 +62,6 @@ public interface CategoryDOMapper {
     int updateByPrimaryKey(CategoryDO record);
 
     CategoryDO[] selectChildrenByCategoryId(Integer id);
+
+    CategoryDO[] selectAll();
 }

bookshelfplus/src/main/java/plus/bookshelf/Service/Impl/CategoryServiceImpl.java

@@ -7,12 +7,21 @@ import plus.bookshelf.Dao.Mapper.CategoryDOMapper;
 import plus.bookshelf.Service.Model.CategoryModel;
 import plus.bookshelf.Service.Service.CategoryService;
 
+import java.util.ArrayList;
+import java.util.List;
+
 @Service
 public class CategoryServiceImpl implements CategoryService {
 
     @Autowired
     private CategoryDOMapper categoryDOMapper;
 
+    /**
+     * 获取指定分类详情
+     *
+     * @param id
+     * @return
+     */
     @Override
     public CategoryModel getCategoryById(Integer id) {
         CategoryDO categoryDO = categoryDOMapper.selectByPrimaryKey(id);
@@ -31,6 +40,23 @@ public class CategoryServiceImpl implements CategoryService {
         return categoryModel;
     }
 
+    /**
+     * 取得所有分类
+     *
+     * @return
+     */
+    @Override
+    public List<CategoryModel> getAllCategorys() {
+        CategoryDO[] categoryDOS = categoryDOMapper.selectAll();
+        List<CategoryModel> categoryModels = new ArrayList<>();
+
+        for (CategoryDO categoryDO : categoryDOS) {
+            CategoryModel categoryModel = convertFromDataObject(categoryDO);
+            categoryModels.add(categoryModel);
+        }
+        return categoryModels;
+    }
+
     // 转换时不转换父亲与儿子，否则会陷入死循环
     private CategoryModel convertFromDataObject(CategoryDO categoryDO) {
         if (categoryDO == null) {

bookshelfplus/src/main/java/plus/bookshelf/Service/Service/CategoryService.java

@@ -2,6 +2,8 @@ package plus.bookshelf.Service.Service;
 
 import plus.bookshelf.Service.Model.CategoryModel;
 
+import java.util.List;
+
 public interface CategoryService {
     /**
      * 通过分类Id获取分类
@@ -10,4 +12,11 @@ public interface CategoryService {
      * @return
      */
     CategoryModel getCategoryById(Integer id);
+
+    /**
+     * 获取所有的分类列表
+     *
+     * @return
+     */
+    List<CategoryModel> getAllCategorys();
 }

bookshelfplus/src/main/resources/mapping/CategoryDOMapper.xml

@@ -182,4 +182,9 @@
     from category_info
     where parent_id = #{parentId,jdbcType=INTEGER}
   </select>
+  <select id="selectAll" resultMap="BaseResultMap">
+    select
+    <include refid="Base_Column_List" />
+    from category_info
+  </select>
 </mapper>