laravel5.6 框架邮件队列database驱动简单demo示例

MAIL_DRIVER=smtp
MAIL_HOST=smtp.163.com
MAIL_PORT=465
MAIL_USERNAME=你的163邮箱地址
MAIL_PASSWORD=你的163邮箱地址对应的授权密码（不是登录密码）
MAIL_ENCRYPTION=ssl
MAIL_FROM_ADDRESS=你的163邮箱地址

QUEUE_DRIVER=database

//队列任务表
php artisan queue:table
//任务执行失败表
php artisan queue:failed-table
//执行数据库迁移
php artisan migrate

php artisan make:job SendEmail

<?php
namespace App\Jobs;
use Illuminate\Bus\Queueable;
use Illuminate\Queue\SerializesModels;
use Illuminate\Queue\InteractsWithQueue;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Foundation\Bus\Dispatchable;
use Illuminate\Support\Facades\Mail;
class SendEmail implements ShouldQueue
{
  use Dispatchable, InteractsWithQueue, Queueable, SerializesModels;
  private $email;
  private $content;
  private $subject;
  /**
   * Create a new job instance.
   *
   * @return void
   */
  public function __construct( $email, $content, $subject)
  {
    $this->email = $email;
    $this->content = $content;
    $this->subject = $subject;
  }
  /**
   * Execute the job.
   *
   * @return void
   */
  public function handle()
  {
    $email = $this->email;
    $subject = $this->subject;
    Mail::send(
      'admin.emails.test',
      ['content' => $this->content],
      function ($message) use($email, $subject) {
        $message->to($email)->subject($subject);
      }
    );
    // Mail::failures() 返回的错误邮件信息,判断是否发送成功. (无错误信息,返回空数组)
    if(empty(Mail::failures())){
      dd('发送成功');
    }else{
      dd('发送失败');
    }
  }
}

<?php
namespace App\Http\Controllers\Admin;
use App\Http\Controllers\Controller;
use App\Jobs\SendEmail;
/**
 * Description of BookedController
 */
class BookedController extends Controller {
  public function queueSend()
  {
    //邮件发送demo数据
    $data =[
      0=>[
        'email'=>'XXXXXX@qq.com',
        'content'=>'Hello World One',
        'subject'=>'测试标题一',
      ],
      1=>[
        'email'=>'XXXXXX@qq.com',
        'content'=>'Hello World Two',
        'subject'=>'测试标题二',
      ]
    ];
    foreach ($data as $item){
      //数据循环,插入表jobs中,队列初始化数据
      dispatch(new SendEmail($item['email'],$item['content'],$item['subject']));
    }
  }
}

//默认只执行一次队列请求,当请求执行完成后就终止
php artisan queue:work
//监听队列请求,只要运行着,就能一直接受请求,除非手动终止
php artisan queue:listen