使用symfony/mailer发送邮件

安装symfony/mailer

composer require symfony/mailer

简单使用

<?php

namespace unitls;

use Symfony\Component\Mailer\Transport;
use Symfony\Component\Mailer\Mailer;
use Symfony\Component\Mime\Email;

/**
 * @description: 使用smtp发送邮件
 */
class SendMail
{
    /**
     * @description: 邮件host
     *               使用163邮箱，对应值是smtp.163.com，
     *               使用QQ邮箱，对应值是smtp.qq.com
     *               使用腾讯企业邮箱，对应值是smtp.exmail.qq.com
     * @var string
     */
    private $_host = '';

    /**
     * @description: 邮件port
     *               默认值是25，
     *               使用SSL加密，值为465或587
     * @var string
     */
    private $_port = '';

    /**
     * @description: 邮件用户名
     * @var string
     */
    private $_username = '';

    /**
     * @description: 邮件授权码
     * @var string
     */
    private $_password = '';

    /**
     * @description: 邮件对象
     * @var Mailer
     */
    private $_mailer;

    /**
     * @description: 邮件内容
     * @var Email
     */
    public $email;

    public function __construct()
    {
        $dsn           = "smtp://{$this->_username}:{$this->_password}@{$this->_host}:{$this->_port}";
        $transport     = Transport::fromDsn($dsn);
        $this->_mailer = new Mailer($transport); 
        $this->email   = new Email();
        
        $this->setFrom();
    }

    /**
     * @description: 设置邮件发送者
     * @param array|string $from 发送者邮箱
     * @return {*}
     */
    public function setFrom($from = '')
    {
        $from = $from ?: $this->_username;
        $this->email->from($from);
        return $this;
    }

    /**
     * @description: 设置邮件接收者者
     * @param array|string $from 接收者邮箱
     * @return {*}
     */
    public function setTo($to)
    {
        $this->email->to($to);
        return $this;
    }

    /**
     * @description: 设置邮件内容
     * @param string $subject    主题
     * @param string $content    内容
     * @return {*}
     */
    public function setContent($subject, $content)
    {
        $this->email->subject($subject)->text($content);
        return $this;
    }

    /**
     * @description: 发送邮件
     * @param {*}
     * @return {*}
     */
    public function send()
    {
        $this->_mailer->send($this->email);
    }
}