控制器的操作方法支持注入Request之外的对象实例

library/think/App.php

@@ -238,8 +238,9 @@ class App
             foreach ($params as $param) {
                 $name  = $param->getName();
                 $class = $param->getClass();
-                if ($class && 'think\Request' == $class->getName()) {
-                    $args[] = Request::instance();
+                if ($class) {
+                    $className = $class->getName();
+                    $args[]    = method_exists($className, 'instance') ? $className::instance() : new $className();
                 } elseif (1 == $type && !empty($vars)) {
                     $args[] = array_shift($vars);
                 } elseif (0 == $type && isset($vars[$name])) {

library/think/Loader.php

@@ -187,7 +187,6 @@ class Loader
         }
     }
 
-
     // 添加Psr4空间
     private static function addPsr4($prefix, $paths, $prepend = false)
     {
@@ -227,7 +226,6 @@ class Loader
         }
     }
 
-
     // 注册命名空间别名
     public static function addNamespaceAlias($namespace, $original = '')
     {