cms first commit

catch/cms/model/scopes/CategoryScope.php

@@ -0,0 +1,36 @@
+<?php
+// +----------------------------------------------------------------------
+// | Catch-CMS Design On 2020
+// +----------------------------------------------------------------------
+// | CatchAdmin [Just Like ～ ]
+// +----------------------------------------------------------------------
+// | Copyright (c) 2017~2020 http://catchadmin.com All rights reserved.
+// +----------------------------------------------------------------------
+// | Licensed ( https://github.com/yanwenwu/catch-admin/blob/master/LICENSE.txt )
+// +----------------------------------------------------------------------
+// | Author: JaguarJack [ njphper@gmail.com ]
+// +----------------------------------------------------------------------
+
+namespace catchAdmin\cms\model\scopes;
+
+use catchAdmin\cms\model\Articles;
+use think\facade\Db;
+
+trait CategoryScope
+{
+    /**
+     * 文章数量
+     *
+     * @time 2020年06月17日
+     * @param $query
+     * @return mixed
+     */
+    public function scopeArticlesCount($query)
+    {
+        return $query->addSelectSub(function () {
+            $article = app(Articles::class);
+            return $article->field(Db::raw('count(*)'))
+                ->whereColumn($this->aliasField('id'), $article->aliasField('category_id'));
+        }, 'articles');
+    }
+}