默认视频封面2

app/enterprise/controller/Posts.php

@@ -640,8 +640,13 @@ class Posts extends BaseController
                     ->field('file_id,type')
                     ->order('sort asc')
                     ->find();
-
+                // 存在视频赋予默认图片
                 $item['file'] = [];
+                $fileWhere['type'] = 2;
+                $query = PostsFile::where($fileWhere)->find();
+                if ($query) {
+                    $item['file'] = ['src' => '/static/common/img/video.png'];
+                }
                 if ($files) {
                     $filesWhere = ['file_id' => $files['file_id'], 'delete_time' => 0];
                     $files['src'] = File::where($filesWhere)->value('src');