add request header

api/base/BaseController.php

@@ -15,6 +15,24 @@ class BaseController extends Controller
     public $start;
     public $end;
 
+    public $header_list = [];
+    public $lang;
+
+    private static $default_header_list = [];
+
+    public function init()
+    {
+        if ('cli' !== php_sapi_name()){
+            $this->header_list = self::$default_header_list;
+            $this->fzmCrossHeader();
+        }
+    }
+
+    public function fzmCrossHeader()
+    {
+        $this->lang = \Yii::$app->request->headers->get('lang') ?? 'zh';
+    }
+
     public function beforeAction($action)
     {
         $this->start = microtime(true);