文章关联多分类

app/Models/Category.php

@@ -4,6 +4,7 @@ namespace App\Models;
 
 use Encore\Admin\Traits\AdminBuilder;
 use Encore\Admin\Traits\ModelTree;
+use Illuminate\Database\Eloquent\Relations\BelongsToMany;
 
 class Category extends Model
 {
@@ -35,7 +36,7 @@ class Category extends Model
                 return $this->hasOne(Article::class)->where('id', $this->article_id);
                 break;
             case self::TYPE_ARTICLE:
-                return $this->hasMany(Article::class);
+                return $this->belongsToMany(Article::class);
                 break;
             case self::TYPE_ADVERT:
                 return $this->hasMany(Advert::class);
@@ -74,4 +75,9 @@ class Category extends Model
         return $ids;
     }
 
+    public function articles(): BelongsToMany
+    {
+        return $this->belongsToMany(Article::class);
+    }
+
 }