Class/Email.cs

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using System;
using System.Collections.Generic;
using System.Text;
using System.Net.Mail;
using System.Collections;
using System.Windows.Forms;
using System.Net;
using System.Configuration;
// 下载于www.51aspx.com
namespace Ericbai
{
  public  class TestEmail
    {
        #region 发送Email邮件
        public string smtp;
        public string from;
        public string pwd;
        public string to;
        public string subject;
        public string body;
        public ArrayList paths_fujian;

        public TestEmail(string Pto, string Psubject, string Pbody, ArrayList Ppaths)
        {
            string getText = System.Configuration.ConfigurationManager.ConnectionStrings["ercDon"].ConnectionString;
            string uname = getText.Substring(0, getText.IndexOf("="));
            string upwd = getText.Substring(getText.IndexOf("=") + 1);
            
            smtp = "smtp.163.com";
            from = uname;
            pwd = upwd;
            to = Pto;
            subject = Psubject;
            body = Pbody;
            paths_fujian = Ppaths;
        }
        /*发邮件*/
        public bool SendMail()
        {
            //创建smtpclient对象
            System.Net.Mail.SmtpClient client = new SmtpClient();
            client.Host = smtp;
            client.UseDefaultCredentials = true;
            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;
            //正文默认格式为html
            message.Body = body;
            message.IsBodyHtml = true;
            message.BodyEncoding = System.Text.Encoding.UTF8;

            //添加附件
            if (paths_fujian.Count != 0)
            {
                foreach (string path in paths_fujian)
                {
                    Attachment data = new Attachment(path, System.Net.Mime.MediaTypeNames.Application.Octet);