从Laravel 5中的路由将多个参数传递给控制器

Question

我有

路线：

Route::get('feed/{type?}/{first?}/{second?}/{third?}', ['as' => 'feed', 'uses' => 'PostController@feed']);

控制器：

public function feed(Request $request, $type, $first, $second, $third)
{
...

但这会产生错误：

ErrorException in PostController.php line 209:
Missing argument 3 for App\Http\Controllers\PostController::feed()

我在做什么不好？ 我忘了什么 谢谢。

Answer 1

根据Laravel文件

确保为路线的对应变量赋予默认值

所以应该是这样的：

public function feed(Request $request = null, $type = null, $first = null, $second = null, $third = null)
{
...

您可以将null替换为您选择的默认值。

Answer 2

您也应该将参数声明为可选参数，例如

public function feed(Request $request, $type = '', $first = '', $second = '', $third = '')
{