Question

我想创建一个Laravel注册系统，我会在用户注册后发送电子邮件来验证电子邮件。我尝试添加一个分派给创建的方法的事件，但是我收到了一个错误

 Fatal error: Non-static method Illuminate\Contracts\Events\Dispatcher::fire() cannot be called statically

这是我想出的。

  <?php

namespace App;

use Laravel\Cashier\Billable;
use Laravel\Spark\Teams\CanJoinTeams;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Foundation\Auth\User as BaseUser;
use Laravel\Spark\Auth\TwoFactor\Authenticatable as TwoFactorAuthenticatable;
use Illuminate\Contracts\Events\Dispatcher as EventDispatcher; 
use Laravel\Spark\Contracts\Auth\TwoFactor\Authenticatable as TwoFactorAuthenticatableContract;

class User extends BaseUser implements TwoFactorAuthenticatableContract
{
    use Billable, TwoFactorAuthenticatable,CanJoinTeams;

    /**
     * The attributes that are mass assignable.
     *
     * @var array
     */
    protected $fillable = [
        'email',
        'name',
        'password',
    ];

    /**
     * The accessors to append to the model's array form.
     *
     * @var array
     */
    protected $appends = [

    ];


    /**
     * The attributes excluded from the model's JSON form.
     *
     * @var array
     */
    protected $hidden = [
        'card_brand',
        'card_last_four',
        'extra_billing_info',
        'password',
        'remember_token',
        'stripe_id',
        'stripe_subscription'       
    ];

    /**
     * Boot the model.
     *
     * @return void
     */
    public static function boot()
    {
        parent::boot();

        static::creating(function ($user) {
            $user->token = str_random(30);
        });

        static::created(function ( $user) {        

           EventDispatcher::fire('UserCreated');   

        });
    }


    /**
     * Confirm the user.
     *
     * @return void
     */
    public function confirmEmail()
    {
        $this->verified = true;
        $this->token = null;

        $this->save();
    }    

}

我也尝试将代码更改为

  use Billable, TwoFactorAuthenticatable,CanJoinTeams, EventDispatcher;

并用

替换引导部分

 static::created(function ( $user, EventDispatcher $event) {        

       $event->fire('UserCreated');   

    });

但它给了我另一个错误

App\User cannot use Illuminate\Contracts\Events\Dispatcher - it is not a trait

创建模型后如何触发事件？

Answer 1

模型的生命周期事件已经被Eloquent解雇了，所以不需要自己解雇它们。使用以下代码创建事件名称：

$event = "eloquent.{$event}: ".get_class($model);

因此，如果您想要收听已创建的事件，则需要收听＆＃34; eloquent.created：App \ User＆＃34; 。事件处理程序将相关的用户模型作为 handle（）参数之一。

如果您希望发送自己的活动，可以使用活动立面来实现：

Event::fire('UserCreated', $user);

您可以在此处阅读有关Laravel活动的更多信息：https://laravel.com/docs/5.1/events

Answer 2

在Laravel> 5.4及更高版本中，您可以在Model类中关联雄辩的事件以触发自定义事件-例如'created' => ProjectCreated::class。因此，基本上，在雄辩的模型created上触发ProjectCreated事件。

class Project extends Model
{
    /**
     * @var array
     */
    protected $fillable = ['title', 'description', 'client_id'];

    /**
     *
     * Eloquent model events
     *
     * @var array
     */
    protected $dispatchesEvents = [
        'created' => ProjectCreated::class,
    ];
}

在模型创建

2 个答案: