课程列表

app/model/Course.php

@@ -90,11 +90,13 @@ class Course extends Model
     public function getCourseList($category_id, $page, $pageSize, $searchKeyWords = null)
     {
         $where = ['status' => 3, 'is_sell' => 1, 'is_del' => 0];
+        $query = self::where($where);
+
         if ($category_id) {
-            $where['cate_id'] = $category_id;
+            $son_ids = CourseCategory::where('pid', $category_id)->column('id');
+            $query->whereIn('cate_id', array_merge([$category_id], $son_ids));
         }
 
-        $query = self::where($where);
 
         if ($searchKeyWords) {
             $query->where('title', 'like', '%' . $searchKeyWords . '%');