Laravel 中间件返回（试图获取非对象的属性“标题”）错误
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Laravel middleware returning (Trying to get property 'headers' of non-object) error
提问by MorshedSaif
I'm getting errorwhen I wrap a resource route to my custom middleware
我得到的错误，当我换一个资源路线我的自定义中间件
My middleware:
我的中间件：
<?php
namespace App\Http\Middleware;
use Closure;
use Auth;
class Officer
{
/**
* Handle an incoming request.
*
* @param \Illuminate\Http\Request $request
* @param \Closure $next
* @return mixed
*/
public function handle($request, Closure $next)
{
if (Auth::check() && Auth::user()->role == 'title_officer') {
return $next($request);
}
// elseif (Auth::check() && Auth::user()->role == 'agent') {
// return redirect('/agent');
// }
// else {
// return redirect('/customer');
// }
}
}
The resource routeusing the middleware:
使用中间件的资源路由：
Route::resource('new-order', 'BackendController')->middleware('officer');
I'm getting error:
我收到错误：
(Trying to get property 'headers' of non-object).
（试图获取非对象的属性“标题”）。
How to fix it ?
如何解决？
回答by Mihir Bhende
In middleware, it is important to handle all cases and return the redirects accordingly or abort.
在中间件中，重要的是处理所有情况并相应地返回重定向或中止。
You do return $next($request);when you want to allow system to continue processing the request ahead.
return $next($request);当您希望允许系统继续提前处理请求时，您可以这样做。
However, if in case if (Auth::check() && Auth::user()->role == 'title_officer')condition fails, you have not mentioned what system should do.
但是，如果if (Auth::check() && Auth::user()->role == 'title_officer')条件失败，您没有提到系统应该做什么。
You can may be abort(404)if you do not want to show the page as available or maybe abort(403)for access forbidden.
abort(404)如果您不想将页面显示为可用或可能abort(403)禁止访问，您可以这样做。
public function handle($request, Closure $next)
{
if (Auth::check() && Auth::user()->role == 'title_officer') {
return $next($request);
}
abort(403);
}
But make sure you do not add a case which will make an infinite loop. Please check documentationfor more options.
但请确保不要添加会造成无限循环的案例。请查看文档以获取更多选项。
回答by Kapitan Teemo
try adding an elseblock which returns when your ifcondition isn't met:
尝试添加一个else在if不满足条件时返回的块：
public function handle($request, Closure $next)
{
if (Auth::check() && Auth::user()->role == 'title_officer') {
return $next($request);
}else{
return back();
}
}
