package main

import (
    "fmt"
    "net/smtp"
)

func main() {
    // 邮件服务器配置
    smtpHost := "smtp.qq.com"
    smtpPort := "587"
    fromEmail := "your_email@qq.com"
    password := "your_authorization_code" // 注意：不是登录密码，是授权码

    // 收件人
    toEmail := "recipient@example.com"

    // 邮件内容
    subject := "Subject: 测试邮件\r\n"
    body := "这是通过Go程序发送的一封测试邮件。"
    msg := []byte(subject + "\r\n" + body)

    // 认证信息
    auth := smtp.PlainAuth("", fromEmail, password, smtpHost)

    // 发送邮件
    err := smtp.SendMail(smtpHost+":"+smtpPort, auth, fromEmail, []string{toEmail}, msg)
    if err != nil {
        fmt.Printf("发送失败: %v\n", err)
        return
    }

    fmt.Println("邮件发送成功！")
}

subject := "Subject: HTML邮件测试\r\n"
mimeHeader := "MIME-version: 1.0;\r\nContent-Type: text/html; charset=\"UTF-8\";\r\n\r\n"
body := "<h1>你好，这是一封HTML邮件</h1><p>支持<strong>加粗</strong>和链接：<a href='https://www.php.cn/link/b05edd78c294dcf6d960190bf5bde635'>点击访问</a></p>
                    <div class="aritcle_card">
                        <a class="aritcle_card_img" href="/ai/1158">
                            <img src="https://img.php.cn/upload/ai_manual/000/000/000/175680126158393.png" alt="Motiff妙多">
                        </a>
                        <div class="aritcle_card_info">
                            <a href="/ai/1158">Motiff妙多</a>
                            <p>Motiff妙多是一款AI驱动的界面设计工具，定位为“AI时代设计工具”</p>
                            <div class="">
                                <img src="/static/images/card_xiazai.png" alt="Motiff妙多">
                                <span>334</span>
                            </div>
                        </div>
                        <a href="/ai/1158" class="aritcle_card_btn">
                            <span>查看详情</span>
                            <img src="/static/images/cardxiayige-3.png" alt="Motiff妙多">
                        </a>
                    </div>
                "
msg := []byte(subject + mimeHeader + "\r\n" + body)

type Email struct {
    To      string
    Subject string
    Body    string
    IsHTML  bool
}

func SendEmail(e Email) error {
    smtpHost := "smtp.qq.com"
    smtpPort := "587"
    from := "your_email@qq.com"
    password := "your_auth_code"

    subject := "Subject: " + e.Subject + "\r\n"
    var contentType string
    if e.IsHTML {
        contentType = "MIME-version: 1.0;\r\nContent-Type: text/html; charset=\"UTF-8\";\r\n\r\n"
    }
    msg := []byte(subject + contentType + "\r\n" + e.Body)

    auth := smtp.PlainAuth("", from, password, smtpHost)
    return smtp.SendMail(smtpHost+":"+smtpPort, auth, from, []string{e.To}, msg)
}

err := SendEmail(Email{
    To:      "user@example.com",
    Subject: "欢迎注册",
    Body:    "<h2>欢迎加入我们！</h2><p>点击链接激活账号</p>",
    IsHTML:  true,
})
if err != nil {
    log.Fatal(err)
}