PaymentReceiptEmailService

Info

Sends payment receipt emails using the Resend email API.

Overview

PaymentReceiptEmailService generates and sends HTML payment receipt emails after successful payments. It uses the Resend SDK (com.resend.Resend) for email delivery. The service is conditionally enabled based on whether the Resend API key and sender address are configured.

Methods

Method	Description
isEnabled()	Check if Resend API key and sender address are configured
sendPaymentReceipt(toEmail, outTradeNo, ...)	Send a payment receipt email

Configuration Properties

Property	Env Variable	Description
resend.api-key	-	Resend API authentication key
resend.from	-	Sender email address

Email Content

The receipt email includes:

Field	Source
Order Number	outTradeNo
Payment Channel	channel (WECHAT / ALIPAY)
Transaction ID	transactionId
Amount	amountFen converted to yuan
Currency	currency (default: CNY)
Payment Time	paidAt formatted as yyyy-MM-dd HH:mm:ss
Expiration Time	expireAt formatted as yyyy-MM-dd HH:mm:ss
Product Code	productCode

Email Format

• Subject: eIsland 支付收据 - {outTradeNo}
• Body: HTML table with payment details
• Language: Chinese

Tips

If resend.api-key or resend.from is not configured, isEnabled() returns false and receipt sending is silently skipped.