在Laravel 5.1中执行Action之前 [英] Before executing Action in Laravel 5.1

问题描述

我正在存储和更新方法中编写以下代码:

I am writing the below code in store and update method:

$v = Validator::make($request->all(), [
    'field' => 'required|max:100|min:5'
]);

if ($v->fails()) {
    return redirect('route name')
                ->withErrors($v)
                ->withInput();
}

在执行任何动作方法之前，是否有执行的内置动作方法?如果是这样，那么它对单个操作方法还是对控制器有效?

Is there any inbuilt action method that executes before executing any action method ? if so, is it valid for individual action method or for the controller?

推荐答案

您可以使用中间件或覆盖callAction，

You may use a middleware or override callAction, https://laravel.com/api/5.6/Illuminate/Routing/Controller.html#method_callAction

use Illuminate\Routing\Controller;

class MyController extends Controller
{
    public function callAction($method, $parameters)
    {
        // code that runs before any action
        if (in_array($method, ['method1', 'method2'])) {
            // trigger validation
        }

        return parent::callAction($method, $parameters);
    }
}

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