尝试在C#中将csv作为电子邮件附件发送

MailMessage mail = new MailMessage();
mail.From = new MailAddress("sender@example.com");
mail.To.Add("recipient@example.com");
mail.Subject = "CSV文件作为附件";

Attachment attachment = new Attachment("path/to/csv/file.csv");
mail.Attachments.Add(attachment);

mail.Body = "这是一封包含CSV文件附件的邮件，请查收。";
mail.IsBodyHtml = false; // 如果使用纯文本格式，设置为false；如果使用HTML格式，设置为true。

SmtpClient smtpClient = new SmtpClient("smtp.example.com", 587);

smtpClient.Credentials = new NetworkCredential("username", "password");

smtpClient.Send(mail);

using System;
using System.Net;
using System.Net.Mail;

class Program
{
    static void Main()
    {
        try
        {
            MailMessage mail = new MailMessage();
            mail.From = new MailAddress("sender@example.com");
            mail.To.Add("recipient@example.com");
            mail.Subject = "CSV文件作为附件";

            Attachment attachment = new Attachment("path/to/csv/file.csv");
            mail.Attachments.Add(attachment);

            mail.Body = "这是一封包含CSV文件附件的邮件，请查收。";
            mail.IsBodyHtml = false;

            SmtpClient smtpClient = new SmtpClient("smtp.example.com", 587);
            smtpClient.Credentials = new NetworkCredential("username", "password");

            smtpClient.Send(mail);

            Console.WriteLine("邮件发送成功！");
        }
        catch (Exception ex)
        {
            Console.WriteLine("邮件发送失败：" + ex.Message);
        }
    }
}