some update. language class completed

examples/lang.php

@@ -0,0 +1,33 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: inhere
+ * Date: 2017-09-20
+ * Time: 12:45
+ */
+
+use Sws\Memory\Language;
+
+require dirname(__DIR__) . '/vendor/autoload.php';
+
+$translator = new Language([
+    'basePath' => dirname(__DIR__) . '/resources/langs',
+    'langs' => ['en', 'zh-CN']
+]);
+
+$translator->scanAndLoad();
+
+$translator['user.test'] = 'new value';
+
+vd(
+    $translator['user.test'],
+    $translator->tl('user.test'),
+    $translator['zh-CN.user.test'],
+    $translator['keyNotExist'],
+    $translator['user.keyNotExist']
+);
+
+//vd($translator->all());
+
+vd($translator->getLangData(null, false));
+//vd($translator->getLangData('zh-CN', false));

lib/sws/BaseSws.php

@@ -97,6 +97,17 @@ public static function lang()
         return self::$app->get('lang');
     }
 
+    /**
+     * @param string $key
+     * @param array $args
+     * @param null $lang
+     * @return array|string
+     */
+    public static function tl($key, array $args = [], $lang = null)
+    {
+        return self::$app->get('lang')->tl($key, $args, $lang);
+    }
+
     /*******************************************************************************
      * request context
      ******************************************************************************/