微调

app/Helpers/function.php

@@ -19,6 +19,27 @@ function getOneCategory($categoryId, $return = '')
     return new Category;
 }
 
+/**
+ * Notes: 获取所有下级
+ *
+ * @Author: 玄尘
+ * @Date: 2022/8/19 17:24
+ * @param $array
+ * @param $categoryId
+ * @return array
+ */
+function getAllChild($categories, $categoryId)
+{
+    $arr = array();
+    foreach ($categories as $category) {
+        if ($category['parent_id'] == $categoryId) {
+            $arr[] = $category['id'];
+            $arr   = array_merge($arr, getAllChild($categories, $category['id']));
+        };
+    };
+    return $arr;
+}
+
 /**
  * Notes: 获取文章分类详情
  *

app/Http/Controllers/CategoryController.php

@@ -45,6 +45,14 @@ class CategoryController extends Controller
                     ->latest('created_at')
                     ->paginate();
 
+            } elseif ($category->id == 7) {
+                $categories = Category::get();
+                $children   = array_merge([$category->id], getAllChild($categories, $category->id));
+                $articles   = Article::ByCategory($children)
+                    ->where('status', 1)
+                    ->latest('sort')
+                    ->latest('created_at')
+                    ->paginate();
             } else {
                 $articles = $category->relations($category->type)
                     ->where('status', 1)