可以的

app/controller/IndexController.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace app\controller;
+
+use support\Request;
+
+class IndexController
+{
+    public function index(Request $request)
+    {
+        return "我是数据中心，有何贵干？";
+    }
+
+    public function view(Request $request)
+    {
+        return view('index/view', ['name' => 'webman']);
+    }
+
+    public function json(Request $request)
+    {
+        return json(['code' => 0, 'msg' => 'ok']);
+    }
+
+}

app/controller/UserController.php

@@ -0,0 +1,16 @@
+<?php
+namespace app\controller;
+
+use support\Request;
+
+class UserController
+{
+    public function hello(Request $request)
+    {
+        $default_name = 'webman';
+        // 从get请求里获得name参数，如果没有传递name参数则返回$default_name
+        $name = $request->get('name', $default_name);
+        // 向浏览器返回字符串
+        return response('hello ' . $name);
+    }
+}