Magento 2如何实现商品加入购物车后自动发送邮件？

已有文件修改 #

1. 调整Observer文件（My/Module/Observer/SendEmailForCart.php） #

当前Observer没有传递加购相关数据到邮件方法，修改后代码如下：

<?php
namespace My\Module\Observer;

use Magento\Framework\Event\ObserverInterface;
use My\Module\Helper\Email;

class SendEmailForCart implements ObserverInterface
{
    private $helperEmail;

    public function __construct(
        Email $helperEmail
    ) {
        $this->helperEmail = $helperEmail;
    }
    public function execute(\Magento\Framework\Event\Observer $observer)
    {
        // 获取加购商品、购物车项数据
        $product = $observer->getProduct();
        $quoteItem = $observer->getQuoteItem();
        // 传递数据到邮件发送方法
        $this->helperEmail->sendEmail($product, $quoteItem);
        return $this;
    }
}

需新增的文件 #

1. 邮件模板注册配置（My/Module/etc/email_templates.xml） #

用于在Magento系统注册自定义邮件模板：

<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_Email:etc/email_templates.xsd">
    <template id="add_to_cart_notification_email" label="加购通知邮件" file="add_to_cart_notification.html" type="html" module="My_Module" area="frontend"/>
</config>

2. 邮件内容模板（My/Module/view/frontend/email/add_to_cart_notification.html） #

自定义邮件的展示内容，可根据需求调整样式和变量：

<!--@subject 您已成功添加商品到购物车 @-->
<!--@vars {
"var product_name":"商品名称",
"var product_sku":"商品SKU",
"var qty":"加购数量",
"var customer_email":"用户邮箱"
} @-->
<div>
    <h1>加购成功通知</h1>
    <p>您好，您已成功将以下商品添加到购物车：</p>
    <ul>
        <li>商品名称：{{var product_name}}</li>
        <li>商品SKU：{{var product_sku}}</li>
        <li>加购数量：{{var qty}}</li>
    </ul>
    <p>您可以前往购物车完成结算。</p>
</div>

3. 完善Helper/Email.php代码 #

注入Magento核心邮件发送类，实现发送逻辑：

<?php
namespace My\Module\Helper;

use Magento\Framework\App\Helper\AbstractHelper;
use Magento\Framework\App\Helper\Context;
use Magento\Framework\Mail\Template\TransportBuilder;
use Magento\Store\Model\StoreManagerInterface;
use Magento\Framework\App\Config\ScopeConfigInterface;
use Magento\Customer\Model\Session as CustomerSession;

class Email extends AbstractHelper
{
    const XML_PATH_EMAIL_SENDER = 'trans_email/ident_general/email';
    const XML_PATH_EMAIL_SENDER_NAME = 'trans_email/ident_general/name';

    protected $transportBuilder;
    protected $storeManager;
    protected $scopeConfig;
    protected $customerSession;

    public function __construct(
        Context $context,
        TransportBuilder $transportBuilder,
        StoreManagerInterface $storeManager,
        ScopeConfigInterface $scopeConfig,
        CustomerSession $customerSession
    ) {
        $this->transportBuilder = $transportBuilder;
        $this->storeManager = $storeManager;
        $this->scopeConfig = $scopeConfig;
        $this->customerSession = $customerSession;
        parent::__construct($context);
    }

    public function sendEmail($product, $quoteItem)
    {
        try {
            // 未登录用户不发送可自行删除该判断
            if (!$this->customerSession->isLoggedIn()) {
                return;
            }
            $storeId = $this->storeManager->getStore()->getId();
            // 获取发件人信息
            $senderEmail = $this->scopeConfig->getValue(self::XML_PATH_EMAIL_SENDER, \Magento\Store\Model\ScopeInterface::SCOPE_STORE, $storeId);
            $senderName = $this->scopeConfig->getValue(self::XML_PATH_EMAIL_SENDER_NAME, \Magento\Store\Model\ScopeInterface::SCOPE_STORE, $storeId);
            // 获取收件人邮箱（当前登录用户邮箱）
            $recipientEmail = $this->customerSession->getCustomer()->getEmail();
            // 组装邮件模板变量
            $templateVars = [
                'product_name' => $product->getName(),
                'product_sku' => $product->getSku(),
                'qty' => $quoteItem->getQty(),
                'customer_email' => $recipientEmail
            ];
            // 构建邮件传输对象
            $transport = $this->transportBuilder
                ->setTemplateIdentifier('add_to_cart_notification_email')
                ->setTemplateOptions(['area' => \Magento\Framework\App\Area::AREA_FRONTEND, 'store' => $storeId])
                ->setTemplateVars($templateVars)
                ->setFrom(['email' => $senderEmail, 'name' => $senderName])
                ->addTo($recipientEmail)
                ->getTransport();
            // 发送邮件
            $transport->sendMessage();
        } catch (\Exception $e) {
            $this->_logger->error('加购邮件发送失败：' . $e->getMessage());
        }
    }
}

其他注意事项 #

• 若你还未创建模块注册文件，需要新增My/Module/etc/module.xml完成模块注册，之后执行bin/magento setup:upgrade启用模块
• 功能开发完成后需执行bin/magento cache:clean清空缓存后测试
• 可根据需求调整邮件模板的内容和变量，也可以修改收件人为其他指定邮箱

内容的提问来源于stack exchange，提问作者Vova