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批量发送邮件工具

上一篇 / 下一篇 2010-09-04 14:37:45 / 个人分类：自动化测试

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最近一直在测试邮件系统，需要批量发送邮件，自己编写了一个批量发送邮件工具，具体参考了网上的代码，不过还是有待改善，因为感觉性能上比较慢,一些异常未处理，不过还是拿出来共享下，记录我C#学习进度。

using System;
using System.Collections;
using System.Drawing;
using System.Windows.Forms;
using System.Net;
using System.Net.Mail;
using System.Text;
using System.IO;

namespace FromMailSend
{
/// <summary>
/// Description of MainForm.
/// </summary>
public partial class MainForm. Form
{
  public MainForm()
  {
   //
   // The InitializeComponent() call is required for Windows Forms designer support.
   //
   InitializeComponent();

   //
   // TODO: Add constructor code after the InitializeComponent() call.
   //
  }
  void Button1Click(object sender, EventArgs e)
  {
   //mail message
   MailAddress from = new MailAddress("test@gmail.com");
   MailMessage myMail = new MailMessage();
   myMail.To.Add(new MailAddress(ToTxt.Text));
   myMail.From = from;
   myMail.Subject = SubjectTxt.Text;
   myMail.SubjectEncoding = Encoding.UTF8;
   myMail.Body = BodyTxt.Text;
   myMail.BodyEncoding = Encoding.UTF8;
   myMail.IsBodyHtml = false;
   myMail.Priority = MailPriority.High;

    //Attachment

    string attahmentName=this.tbAttachment.Text.Trim().ToString();
            if (!string.Equals(attahmentName, null) && !string.Equals(attahmentName, ""))
            {
                Attachment data = new Attachment(attahmentName, System.Net.Mime.MediaTypeNames.Application.Octet);
                myMail.Attachments.Add(data);
            }
            else
            {
            tbAttachment.Text = null;
            }

    //smtp client
    SmtpClient mailsender = new SmtpClient();
    mailsender.Host = "smtp.gmail.com";
    mailsender.Port = 587;
    mailsender.Credentials =
     new NetworkCredential("test@gmail.com" ,"test");
    mailsender.DeliveryMethod = SmtpDeliveryMethod.Network;
    mailsender.EnableSsl = true;

   try
   {
    int counter = Convert.ToInt32(tbcounter.Text);
    int showcount =0;
    for(int i =0; i<counter ; i++)
    {
     mailsender.Send(myMail);
     showcount++;
     lbshowcount.Text = Convert.ToString(showcount);
     this.Refresh();
    }
    MessageBox.Show("Success");
   }
   catch (Exception ex)
   {
    MessageBox.Show(ex.ToString());
   }
  }

  void BtnBrowseClick(object sender, EventArgs e)
  {
   OpenFileDialog fda = new OpenFileDialog();
    ofda.Filter = "Text Files(*.TXT)|*.TXT||";

   if(ofda.ShowDialog() == DialogResult.OK)
   {

    this.tbAttachment.Text = ofda.FileName;
   }
  }
}
}

FromMailSend.rar(4.27 KB)

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