Lumen开发笔记：实现自定义表单验证功能

$this->validate($request, $rules, $message, $attributes);

namespace Laravel\Lumen\Routing;

trait ProvidesConvenienceMethods{

......

    public function validate(Request $request, array $rules, array $messages = [], array $customAttributes = [])
    {
        $validator = $this->getValidationFactory()->make($request->all(), $rules, $messages, $customAttributes);

        if ($validator->fails()) {
            $this->throwValidationException($request, $validator);
        }
    }

......

}

if ($validator->fails()) {
     /**
       * 修改验证返回
       */
     return $this->formatValidationErrors($validator);
     $this->throwValidationException($request, $validator);
}

namespace Laravel\Lumen\Routing;

class Controller
{
    use ProvidesConvenienceMethods;

    /**
     * The middleware defined on the controller.
     *
     * @var array
     */
    protected $middleware = [];

    /**
     * Define a middleware on the controller.
     *
     * @param  string  $middleware
     * @param  array  $options
     * @return void

public function validates(Request $request, array $rules, array $messages = [], array $customAttributes = [])
    {
        $validator = $this->getValidationFactory()->make($request->all(), $rules, $messages, $customAttributes);
    
        if ($validator->fails()) {
　　　　　　　echo 1;exit();            /**
             * 修改验证返回
            */
            return $this->formatValidationErrors($validator);
            //$this->throwValidationException($request, $validator);
        }
    }

namespace App\Http\Controllers;

use Laravel\Lumen\Routing\Controller as BaseController;
use App\Providers\Validate\AppProvidersValidate;

class Controller extends BaseController
{
    //全局表单验证定制类
    use AppProvidersValidate;
    //
}

namespace App\Providers\Validate;

use Illuminate\Http\Request;

trait AppProvidersValidate
{
    public function validates(Request $request, array $rules, array $messages = [], array $customAttributes = [])
    {
        $validator = $this->getValidationFactory()->make($request->all(), $rules, $messages, $customAttributes);
    
        if ($validator->fails()) {
            /**
             * 修改验证返回
             */
            return $this->formatValidationErrors($validator);
            //$this->throwValidationException($request, $validator);
        }
    }
}

namespace Illuminate\Validation;
class Factory implements FactoryContract

{

　　......

public function make(array $data, array $rules, array $messages = [], array $customAttributes = [])
{
// The presence verifier is responsible for checking the unique and exists data
// for the validator. It is behind an interface so that multiple versions of
// it may be written besides database. We'll inject it into the validator.
$validator = $this->resolve(
$data, $rules, $messages, $customAttributes
);

if (! is_null($this->verifier)) {
$validator->setPresenceVerifier($this->verifier);
}

// Next we'll set the IoC container instance of the validator, which is used to
// resolve out class based validator extensions. If it is not set then these
// types of extensions will not be possible on these validation instances.
if (! is_null($this->container)) {
$validator->setContainer($this->container);
}

$this->addExtensions($validator);

return $validator;
}

......

}