net 群发邮件代码,CSharp代码库,德仔网

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【CSharp】 net 群发邮件
作者:Dezai.CN / 发布于2012/11/21/ 350
新建邮件类Mails如下：

public class Mails
{

　　public Mails(string Psmtp, string Pfrom, string Ppwd, string Pto, string Psubject, string Pbody)
    {
        this.smtp = Psmtp;//要通过什么邮箱服务器发送邮件。例：smtp="smtp.qq.com";
        this.from = Pfrom;//发件人的邮箱地址。例：from = "761529715@qq.com";
        this.pwd = Ppwd;//发件人的邮箱密码。例：pwd = "*********";
        this.to = Pto;//收件人的邮箱地址。例：to = "1780100810@qq.com";

　　  //this.to.Replace(" ","");
        this.subject = Psubject;//邮件的标题。例：subject = "nihao";
        this.body = Pbody;//邮件的内容。例：body = "woshiwuhan,nishishuia?";
    }

　　//...

　　//字段与属性的没粘过来

　　//...

　　public string SendMail()
    {
        
        
        //创建smtpclient对象
        System.Net.Mail.SmtpClient client = new SmtpClient();
        client.Host = smtp;
        client.UseDefaultCredentials = false;
        client.Credentials = new System.Net.NetworkCredential(from,pwd);
        client.DeliveryMethod = SmtpDeliveryMethod.Network;

        //创建mailMessage对象 
        System.Net.Mail.MailMessage message = new MailMessage(from,to);
        message.Subject = subject;
        message.SubjectEncoding = Encoding.UTF8;
        message.Body = body;
        message.BodyEncoding = System.Text.Encoding.UTF8;       

　　　message.IsBodyHtml = true;


        try
        {
            client.Send(message);
            //Response.Write("<script type='text/javascript'>alert('发送成功')</script>");
            return "发送成功!";
        }
        catch (Exception ex)
        {
            //Response.Write("<script type='text/javascript'>alert('"+ex.Message+"')</script>");
            return ex.Message;
        }
    }
}

**************************************************************************

protected void btn_SendMail_Click(object sender, EventArgs e)
    {

　　　List<string> lists = new List<string>();

　　　lists=EmailSubscribeServices.selEmail();//获取收件人邮箱地址
        Mails mySendMail=new Mails();
        for (int i = 0; i < lists.Count; i++)
        {
            mySendMail = new Mails(lists[i].ToString());
            txt_SendMail.Text += lists[i].ToString()+ mySendMail.SendMail()+"\n";
        }

    }

**************************************************************************

namespace DAL
{
    public static class EmailSubscribeServices
    {

　　　public static List<string> selEmail()
        {
            string sql = "select email from 你的数据表";
            DataTable dt=new DataTable ();
            List<string> lists = new List<string>();
            //string result;
            try
            {
                dt=DBHelper.GetDataSet(sql);
                for (int i = 0; i < dt.Rows.Count; i++)
                {
                    lists.Add(dt.Rows[i][0].ToString());
                }
                return lists;
            }
            catch(Exception ex)
            {
                lists.Add(ex.Message);
                return lists;
            }
        }

    }
}

***************************************************************************

namespace DLL
{
    /// <summary>
    /// 数据访问抽象基础类
    /// </summary>
    public static class DBHelper
    {
        //数据库连接字符串
        public static string sqlconnectionstring = System.Configuration.ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString;

　　//...只列出了用到的DBHelper

　　//取得所有,不带参数
        internal static DataTable GetDataSet(string safeSql)
        {
            SqlConnection connection = new SqlConnection(sqlconnectionstring);
            connection.Open();
            DataSet ds = new DataSet();
            try
            {
                SqlCommand cmd = new SqlCommand(safeSql, connection);
                SqlDataAdapter da = new SqlDataAdapter(cmd);
                da.Fill(ds);
            }
            catch
            {
            }
            finally
            {
                connection.Close();
            }
            if (ds.Tables.Count > 0)
            {
                return ds.Tables[0];
            }
            else
            {
                return new DataTable();
            }
        }


    }

}
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　群发邮件　
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