Laravel 5.4从请求对象重定向获取方法 [英] Laravel 5.4 redirect taking method from request object

问题描述

最近，我开始了一个Laravel 5.4项目，发现了一些我不太了解的东西，我发布了这个问题，希望能解决此问题并找出它是预期的行为还是错误.

Recently I have started a Laravel 5.4 project and I found something I don't quite understand and I'm posting this question hoping to solve this issue and find out if it's expected behaviour or a bug.

问题是，我正在提交一个如下所示的更新表单:

The thing is, I'm submitting an update form which looks like so:

<form id="post-form" action="{{url('admin/posts/'.$post->id)}}" method="POST">
  {{ csrf_field() }}
  {{ method_field('PUT') }}
  <!-- Some fields -->
</form>

然后我尝试在控制器方法上验证该请求:

And I try to validate that request on the controller method:

$validator = Validator::make($request->all(), [
        // Fields to validate
    ]);
if ($validator->fails()) {
   return back()
   ->withErrors($validator)
   ->withInput();
}

我的问题出在验证失败并执行重定向时，因为我收到代码 405 错误MethodNotAllowedHttpException.

My problem comes when the validation fails and the redirect is performed, because I get a code 405 error MethodNotAllowedHttpException.

实际上，URL是正确的，但是方法是错误的，如HTTP标头所示:

Indeed, the url is correct but the method is wrong, as shown in the HTTP headers:

Request URL:https://myproject.dev/admin/posts/1/edit
Request Method:PUT
Status Code:405 
Remote Address:127.0.0.1:443
Referrer Policy:no-referrer-when-downgrade

应该是GET而不是PUT.我最好的猜测是使用$request对象的_method属性进行重定向，而不是使用GET方法.

It should be a GET instead of a PUT. My best guess is that is using the _method property of the $request object to redirect, instead of using the GET method.

在重定向调用之前的dump($request->all()):

array:19 [
  "_token" => "XOtwEeXwgnuc8fNqCwxkdO992bU6FObDwTuCg1cJ"
  "_method" => "PUT"
  //fields
]

有些运气我已经尝试过了:

Some things I have already tried with no luck:

• 从请求中取消_method:unset($request['_method'])

• 命名路由并根据该名称进行重定向:

• Unsetting the _method from the request: unset($request['_method'])

• Name the route and redirect based in that name:

// The routes file (routes/web.php)
Route::get('posts/{id}/edit', 'PostsController@edit')->name('edit-post');

// The redirect (controller)
return redirect()->route('edit-post', ['id' => 1])
    ->withErrors($validator)
    ->withInput();

在重定向中指定网址

Specify the url in the redirect

// The redirect (controller)
return redirect('admin/posts/'.$post->id.'/edit')
    ->withErrors($validator)
    ->withInput();

那么我该如何使用普通的GET方法执行该重定向?这是预期的行为吗?预先谢谢您，任何建议或提示都将不胜感激.

So how could I perform that redirect with a normal GET method? Is this an expected behaviour? Thank you in advance, any advice or hint is much appreciated.

推荐答案

您需要在routes.php文件中使用一条单独的放置路径.

You need a separate put route in your routes.php file.

Route::get('posts/{id}/edit', 'PostsController@edit')->name('edit-post');
Route::put('posts/{id}/edit', 'PostsController@edit')->name('edit-post');

get函数意味着此路由将使用GET方法处理路由.您需要添加put来使用PUT方法处理请求. 文档中提供了所有可用的路由方法.

The get function means this route will handle routes using the GET method. You need to add a put to handle requests using the PUT method. All available route methods are available in the documentation.

您还可以使用match函数在一行中匹配多个方法.像这样:

You can also use the match function to match multiple methods in one line. Like so:

Route::match(['get', 'put'], 'posts/{id}/edit', 'PostsController@edit');

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