golang发送邮件怎么在正文里添加表格

邮件采用"net/smtp"官方库，接收参数：SendMail(sender string, subject string, content []byte, receiver []string)，如何用template的模式，将一个表格插入正文content []byte里，在线等，急需 w, err := cli.Data() msg.Reset() msg.WriteString(fmt.Sprintf("From: <%s>\r\n", sender)) msg.WriteString(fmt.Sprintf("To: <%s>\r\n", strings.Join(receiver, ">,<"))) msg.WriteString(fmt.Sprintf("Subject: %s\r\n", subject)) msg.WriteString("Content-Type: text/html; charset=UTF-8\r\n\r\n") msg.Write(content) _, err = w.Write(msg.Bytes()) w.Close()