Lumen: 在 Blade 视图中获取 URL 参数

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This works well:

\{\{ app('request')->input('a') }}

Where a is the url parameter.

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You can publicly expose Input facade via an alias in config/app.php:

'aliases' => [
...


'Input' => Illuminate\Support\Facades\Input::class,
]

And access url $_GET parameter values using the facade directly inside Blade view/template:

\{\{ Input::get('a') }}

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This works fine for me:

\{\{ app('request')->input('a') }}

Ex: to get pagination param on blade view:

\{\{ app('request')->input('page') }}

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The shortest way i have used

\{\{ Request::get('a') }}

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Laravel 5.6:

\{\{ Request::query('parameter') }}

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More simple in Laravel 5.7 and 5.8

\{\{ Request()->parameter }}

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Laravel 5.8

\{\{ request()->a }}

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Given your URL:

http://locahost:8000/example?a=10

The best way that I have found to get the value for 'a' and display it on the page is to use the following:

\{\{ request()->get('a') }}

However, if you want to use it within an if statement, you could use:

@if( request()->get('a') )
<script>console.log('hello')</script>
@endif

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As per official 5.8 docs:

The request() function returns the current request instance or obtains an input item:

$request = request();


$value = request('key', $default);

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if you use route and pass paramater use this code in your blade file

\{\{dd(request()->route()->parameters)}}

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We use the helper request

The request function returns the current request instance or obtains an input field's value from the current request:

$request = request();


$value = request('key', $default);

the value of request is an array you can simply retrieve your input using the input key as follow

$id = request()->id; //for http://locahost:8000/example?id=10

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All the answers above are correct, but there's a quickier way to do this.

\{\{request("a")}}