entityMap|blocks|key|10vlo|text|您可以执行以下操作：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|h2p9|protected+$key;

public+function+handle($request,+Closure+$next,+$key)
{
+++++$this->key+=+$key;
}

public+function+terminate($request,+$response)
{
+++++$this->key;+//access+property+key
}|code-block|syntax|javascript|anrnl|即使这应该通过请求全局传递。像这样：|c9q7o|public+function+handle($request,+Closure+$next)
{
+++++$request->input('key');
}

public+function+terminate($request,+$response)
{
++++++$request->input('key');
}|5hcpu|编辑：|bh9fo|Route::group(['middleware'+=>+'checkUserLevel'],+function+()+{
++++Route::get('/test/{testparam}',+function+()+{
++++});
});

public+function+handle($request,+Closure+$next)
{
+++++$request->route('testparam');
}

public+function+terminate($request,+$response)
{
++++++$request->route('testparam');
}|4lqpt^0|0|0|0|0|0|0^^$0|$]|1|@$2|3|4|5|6|7|8|Q|9|@]|A|@]|B|$]]|$2|C|4|D|6|E|8|R|9|@]|A|@]|B|$F|G]]|$2|H|4|I|6|7|8|S|9|@]|A|@]|B|$]]|$2|J|4|K|6|E|8|T|9|@]|A|@]|B|$F|G]]|$2|L|4|M|6|7|8|U|9|@]|A|@]|B|$]]|$2|N|4|O|6|E|8|V|9|@]|A|@]|B|$F|G]]|$2|P|4|-4|6|7|8|W|9|@]|A|@]|B|$]]]]

You can do:

<pre class="lang-php prettyprint-override"><code>protected $key;

public function handle($request, Closure $next, $key)
{
 $this-&gt;key = $key;
}

public function terminate($request, $response)
{
 $this-&gt;key; //access property key
}
</code></pre>

even though this should be passed via request global. Like:

<pre class="lang-php prettyprint-override"><code>public function handle($request, Closure $next)
{
 $request-&gt;input('key');
}

public function terminate($request, $response)
{
 $request-&gt;input('key');
}
</code></pre>

Edited:

<pre class="lang-php prettyprint-override"><code>Route::group(['middleware' =&gt; 'checkUserLevel'], function () {
 Route::get('/test/{testparam}', function () {
 });
});

public function handle($request, Closure $next)
{
 $request-&gt;route('testparam');
}

public function terminate($request, $response)
{
 $request-&gt;route('testparam');
}
</code></pre>

entityMap|0|type|LINK|mutability|MUTABLE|data|url|https://laravel.com/docs/5.8/middleware#terminable-middleware|1|https://stackoverflow.com/a/54002089/7171578|blocks|key|a3401|text|正如在documentation中提到的，如果您希望使用相同的中间件实例(因为在默认情况下，它使用的是中间件的新实例)，则需要将中间件注册为单例。|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|fd1ld|您可以通过添加到ServiceProvider的register方法将其注册为单例|style|CODE|9k2pt|public+function+register()
{
++++$this->app->singleton(\App\Http\Middleware\YourMiddleware::class);
}|code-block|syntax|javascript|a3u23|然后，您可以像lorent's+answer的第一个示例一样使用类的属性|5t480|protected+$foo;

public+function+handle($request,+Closure+$next)
{
++++$this->foo+=+'bar';

++++return+$next($request);
}

public+function+terminate($request,+$response)
{
++++//+because+we+cannot+use+`dd`+here,+so+the+example+is+using+`logger`
++++logger($this->foo);
}|7uigf^0|3|D|0|0|8|F|O|8|0|0|7|F|1|0|0^^$0|$1|$2|3|4|5|6|$7|8]]|9|$2|3|4|5|6|$7|A]]]|B|@$C|D|E|F|2|G|H|10|I|@]|J|@$K|11|L|12|C|13]]|6|$]]|$C|M|E|N|2|G|H|14|I|@$K|15|L|16|O|P]|$K|17|L|18|O|P]]|J|@]|6|$]]|$C|Q|E|R|2|S|H|19|I|@]|J|@]|6|$T|U]]|$C|V|E|W|2|G|H|1A|I|@]|J|@$K|1B|L|1C|C|1D]]|6|$]]|$C|X|E|Y|2|S|H|1E|I|@]|J|@]|6|$T|U]]|$C|Z|E|-4|2|G|H|1F|I|@]|J|@]|6|$]]]]

As mentioned in <a href="https://laravel.com/docs/5.8/middleware#terminable-middleware" rel="nofollow noreferrer">documentation</a>, if you would like to use the same instance of middleware (because by default it is using the fresh instance of middleware) you need to register the middleware as singleton.

You can register it as singleton by adding to your <code>ServiceProvider</code>'s <code>register</code> method

<pre class="lang-php prettyprint-override"><code>public function register()
{
 $this-&gt;app-&gt;singleton(\App\Http\Middleware\YourMiddleware::class);
}
</code></pre>

Then you can use the class' property like the first example of <a href="https://stackoverflow.com/a/54002089/7171578">lorent's answer</a>

<pre class="lang-php prettyprint-override"><code>protected $foo;

public function handle($request, Closure $next)
{
 $this-&gt;foo = 'bar';

 return $next($request);
}

public function terminate($request, $response)
{
 // because we cannot use `dd` here, so the example is using `logger`
 logger($this-&gt;foo);
}
</code></pre>

entityMap|blocks|key|4tit|text|我知道这很古老，但是你也可以使用静态属性。这使您不必注册singleton|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|f1ps0|<?php

namespace+App\Http\Middleware;

class+MyMiddleware+{
++++private+static+$key;

++++public+function+handle($request,+Closure+$next,+$key)
++++{
+++++++++self::$key+=+($key);+//+it+returns+variable
++++}

++++public+function+terminate($request,+$response)
++++{
++++++++++$key+=+self::$key;
++++}
}|code-block|syntax|javascript|2n7un|这在我的Laravel+5.8应用程序中可以工作，我不明白为什么它在其他地方不能工作。不能说是否有任何理由不这样做，但我不知道有什么理由。|ckggk|我自己使用它在我的handle函数中生成一个缓存键，并在terminate函数中重用相同的键。|4o8hv^0|S|9|0|0|0|0^^$0|$]|1|@$2|3|4|5|6|7|8|Q|9|@$A|R|B|S|C|D]]|E|@]|F|$]]|$2|G|4|H|6|I|8|T|9|@]|E|@]|F|$J|K]]|$2|L|4|M|6|7|8|U|9|@]|E|@]|F|$]]|$2|N|4|O|6|7|8|V|9|@]|E|@]|F|$]]|$2|P|4|-4|6|7|8|W|9|@]|E|@]|F|$]]]]

I know this is ages old, but you could also use a static property. That saves you from having to register a <code>singleton</code>:
<pre><code>&lt;?php

namespace App\Http\Middleware;

class MyMiddleware {
 private static $key;

 public function handle($request, Closure $next, $key)
 {
 self::$key = ($key); // it returns variable
 }

 public function terminate($request, $response)
 {
 $key = self::$key;
 }
}
</code></pre>
This works in my Laravel 5.8 application, don't see why it wouldnt' work anywhere else. Cannot say if there's any reason NOT to do this, but I don't know of one.
I'm using this myself to generate a Cache key in my handle function, and reuse the same key in my terminate function.

I am trying to send a variable to terminate of middleware from route:

<pre class="lang-php prettyprint-override"><code>Route::group(['middleware' =&gt; 'checkUserLevel'], function () {
 // my routes
});
</code></pre>

I can get <code>checkUserLevel</code> in handle of middleware but I need to access in terminate method too, what should I do?

<pre class="lang-php prettyprint-override"><code>public function handle($request, Closure $next, $key)
{
 dd($key); // it returns variable
}

public function terminate($request, $response)
{
 //I need that variable here
}
</code></pre>

Send variable to terminate in middleware

 我正在尝试从路由发送一个变量来终止中间件： Route::group(['middleware' => 'checkUserLevel'], function () {    // my routes}); 我可以在中间件句柄中获取checkUserLevel，但我也需要在terminate方法中访问，我该怎么办？ ...

问发送变量以在中间件中终止
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