1

app/Modules/Book/Models/Book.php

@@ -31,4 +31,15 @@ class Book extends Model
     	$res = self::select('*')->where('id',$bid)->first();
     	return $res;
     }
+    /**
+     * @param $bids
+     * @return mixed
+     */
+    public static function getBooksByIds($bids)
+    {
+        if (empty($bids)) {
+            return [];
+        }
+        return self::whereIn('id', $bids)->get();
+    }
 }