初步完成

app/Models/Category.php

@@ -2,6 +2,7 @@
 
 namespace App\Models;
 
+use App\Models\Traits\HasOneCover;
 use Encore\Admin\Traits\AdminBuilder;
 use Encore\Admin\Traits\ModelTree;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
@@ -9,19 +10,24 @@ use Illuminate\Database\Eloquent\Relations\HasMany;
 
 class Category extends Model
 {
-    use AdminBuilder, ModelTree;
 
-    public const TYPES = [
-        'article' => '文章列表',
-        'show'    => '文章详情',
-        'advert'  => '广告',
-        'picture' => '图册',
-    ];
+    use AdminBuilder, ModelTree, HasOneCover;
 
     public const TYPE_SHOW    = 'show';
     public const TYPE_ARTICLE = 'article';
     public const TYPE_ADVERT  = 'advert';
-    public const TYPE_PICTURE = 'picture';
+    public const TYPE_PATENT  = 'patent';
+    public const TYPES        = [
+        self::TYPE_ARTICLE => '文章列表',
+        self::TYPE_SHOW    => '文章详情',
+        self::TYPE_ADVERT  => '图片',
+        self::TYPE_PATENT  => '专利',
+    ];
+
+    public function getLinkAttribute()
+    {
+        return route('category.show', $this);
+    }
 
     /**
      * 关联的数据
@@ -31,7 +37,7 @@ class Category extends Model
     {
         switch ($this->type) {
             case self::TYPE_SHOW:
-                return $this->hasOne(Article::class,'id','article_id');
+                return $this->hasOne(Article::class, 'id', 'article_id');
                 break;
             case self::TYPE_ARTICLE:
                 return $this->hasMany(Article::class);