laravel access to model constant in blade

问题

Need access model constant in blade not with full path

class PaymentMethod extends Model {

const PAYPAL_ACCOUNT      = 'paypal_account';
const CREDIT_CARD         = 'credit_card';

and in blade

        {{ App\Classes\Models\PaymentMethod::CREDIT_CARD }}

work

but

        {{ PaymentMethod::CREDIT_CARD }}

throws Class 'PaymentMethod' not found

回答1:

You may use aliases:

in your config\app.php under aliases section :

aliases => [
     ....
    'PaymentMethod' => App\Classes\Models\PaymentMethod::class
]

then use it in your balde file

{{ PaymentMethod::CREDIT_CARD }}

回答2:

Found this thread while trying to solve the same problem. Decided to go with the following approach:

namespace App\Services\Auth\IAM;

class IAMConstants
{
    const GUARD_WEB = 'web';
    const GUARD_ADMIN = 'admin';
}

Then in Blade:

@inject('constants', 'App\Services\Auth\IAM\IAMConstants')
...
<option value="{{ $constants::GUARD_WEB }}">App user</option>

The injected class should be small since it will carry in all its dependencies: https://laravel.com/docs/5.4/blade#service-injection

回答3:

Just try this

{{ trans('lang.LANG_CONST_NAME') }} 

Assuming that the lang.php file exists under the lang folder in the resources. For example, in my case \lang\en\lang.php

来源：https://stackoverflow.com/questions/47270905/laravel-access-to-model-constant-in-blade