文章分类由1变多

app/Http/Controllers/ArticleController.php

@@ -12,7 +12,7 @@ class ArticleController extends Controller
     //文章列表
     public function index(Category $category)
     {
-        $articles = Article::where('category_id', $category->id)
+        $articles = Article::ByCategory($category->id)
                            ->orderBy('created_at', 'desc')
                            ->paginate(5);
 
@@ -26,15 +26,12 @@ class ArticleController extends Controller
             return redirect($article->url);
         }
 
-        $category = $article->category;
+        $next = Article::where('id', '>', $article->id)
+                       ->ByCategory($article->categories()->pluck('id'))
+                       ->where('status', 1)
+                       ->first();
 
-        $next   = Article::where('id', '>', $article->id)
-                         ->where('category_id', $category->id)
-                         ->where('status', 1)
-                         ->first();
-        $parent = getTopCate($category->id);
-
-        return view('articles.show', compact('article', 'category', 'next', 'parent'));
+        return view('articles.show', compact('article', 'next'));
     }
 
     //搜索