gt-common/mail/api.go

package mail

import (
	"fmt"
	"log"
	"net/smtp"
	"strings"
	"time"
)

func (mail *MailClient) SendPanicWarning(content string) (err error) {
	e := Email{
		From:     FROM_USERNAME,
		PassWord: FROM_PASSWORD,
		To:       TO_USERNAME,
		Subject:  "panic",
		Content:  content,
	}
	return mail.send(e)
}

func (mail *MailClient) SendCustomWarning(subject, content string) (err error) {
	e := Email{
		From:     FROM_USERNAME,
		PassWord: FROM_PASSWORD,
		To:       TO_USERNAME,
		Subject:  subject,
		Content:  content,
	}
	return mail.send(e)
}

func (mail *MailClient) SendErrorWarning(err error) error {
	e := Email{
		From:     FROM_USERNAME,
		PassWord: FROM_PASSWORD,
		To:       TO_USERNAME,
		Subject:  "error",
		Content:  err.Error(),
	}
	return mail.send(e)
}

func (mail *MailClient) send(e Email) (err error) {
	now := time.Now().Format("2006-01-02 15:04:05")
	e.Subject = fmt.Sprintf("Title: %s AppName: %s Mode: %s Time: %s", e.Subject, mail.AppName, mail.Mode, now)
	// 按需要的格式设置邮件内容
	message := []byte("From: " + e.From + "\r\n" +
		"To: " + e.To + "\r\n" +
		"Subject: " + e.Subject + "\r\n" +
		"\r\n" +
		e.Content)

	// 连接到 SMTP 服务器
	auth := smtp.PlainAuth("", e.From, e.PassWord, mail.Server)

	err = smtp.SendMail(fmt.Sprintf("%s:%s", mail.Server, mail.Port), auth, e.From, strings.Split(e.To, ","), []byte(message))
	if err != nil {
		log.Println("Email send is failed , Error:", err)
		return
	}

	log.Println("Email send successfully!")
	return
}