C#实现邮件发送，可以添加附件，发件人、收件人信息从xml文件读取

来源：互联网发布：旧手机回收软件编辑：程序博客网时间：2024/05/10 11:53

变量：

#region 变量        private XmlDocument xmlDoc = new XmlDocument();        private ArrayList toList = new ArrayList();        private byte key = 123;//加密字        #region 发件人信息        private string FJRYXQC = string.Empty;        private string FJRYXMM = string.Empty;        private string FJRYXMC = string.Empty;        private string YXFWQDZ = string.Empty;        private string FJRXM = string.Empty;        private string YXFWQPORT = string.Empty;        #endregion        #region 收件人信息        string ACCYXQC = string.Empty;        string ACCBZ = string.Empty;        #endregion        #endregion

发送邮件：

 #region 发送邮件          /// <summary>        ///         /// </summary>        /// <param name="theme">邮件主题</param>        /// <param name="body">邮件内容</param>        /// <param name="FJLJ">附件路径（附件以字符串的形式存在数组里面）</param>        public void Send(string theme, string body, string[] FJLJ)        {            if (LoadFsrXmlData() && LoadJsrXmlData())            {                MailMessage mail = new MailMessage();                mail.From = new MailAddress(FJRYXQC, FJRXM);                //发送给谁                 foreach (String to in toList)                {                    mail.To.Add(to);                }                //标题                 mail.Subject = theme;                //内容编码                 mail.BodyEncoding = Encoding.Default;                //发送优先级                 mail.Priority = MailPriority.High;                //邮件内容                 mail.Body = body;                //是否HTML形式发送                 mail.IsBodyHtml = true;                //附件                 try                {                    Attachment data;                    ContentDisposition disposition;                    if (FJLJ != null && FJLJ.Length > 0)                    {                        foreach (string str in FJLJ)                        {                            data = new Attachment(str, MediaTypeNames.Application.Octet);//实例化附件                              disposition = data.ContentDisposition;                            mail.Attachments.Add(data);//添加到附件中                         }                    }                }                catch (Exception ex)                {                    throw new Exception("添加附件错误！" + ex.Message);                }                //邮件服务器和端口号                int port = int.Parse(YXFWQPORT);                SmtpClient smtp = new SmtpClient(YXFWQDZ, port);                //587                  smtp.UseDefaultCredentials = true;                //指定发送方式                 smtp.DeliveryMethod = SmtpDeliveryMethod.Network;                //指定登录名和密码                 smtp.Credentials = new System.Net.NetworkCredential(FJRYXMC, FJRYXMM);                //超时时间                 smtp.Timeout = 300000;                smtp.Send(mail);                MessageBox.Show("发送成功！");            }            else            {                if (!LoadFsrXmlData()) {                     MessageBox.Show("无发件人信息！");                }                if (!LoadJsrXmlData())                {                    MessageBox.Show("无收件人信息！");                }            }        }        #endregion

加载fsr.xml文件读取发送人xml配置文件：

     #region 加载fsr.xml文件  发送人xml配置文件        public bool LoadFsrXmlData()        {            string outMsg = string.Empty;            try            {                string path = Application.StartupPath;                string folder = System.IO.Path.Combine(path, "config");                string xmlFileName = System.IO.Path.Combine(folder, "fsr.xml");                bool folderExists = System.IO.Directory.Exists(folder);                if (folderExists && File.Exists(xmlFileName))//当文件存在时                {                    xmlDoc.Load(xmlFileName);                    XmlNode root = xmlDoc.SelectSingleNode("root");                    XmlNodeList nodeList = root.ChildNodes;//获得root节点的子节点                    foreach (XmlElement xe in nodeList)                    {                        FJRYXQC = xe.GetElementsByTagName("FJRYXQC")[0].InnerText;                        FJRYXMM = encryptDecryptStr(xe.GetElementsByTagName("FJRYXMM")[0].InnerText);                        FJRYXMC = xe.GetElementsByTagName("FJRYXMC")[0].InnerText;                        YXFWQDZ = xe.GetElementsByTagName("YXFWQDZ")[0].InnerText;                        FJRXM = xe.GetElementsByTagName("FJRXM")[0].InnerText;                        YXFWQPORT = xe.GetElementsByTagName("YXFWQPORT")[0].InnerText;                    }                    return true;                }                return false;            }            catch (System.Exception ex)            {                MessageBox.Show("加载config.xml文件失败:" + ex.Message);                return false;            }        }        #endregion

加载jsr.xml文件读取接收人xml配置文件：

#region 加载jsr.xml文件 接收人xml配置文件        public bool LoadJsrXmlData()        {            try            {                string path = Application.StartupPath;                string folder = System.IO.Path.Combine(path, "config");                string xmlFileName = System.IO.Path.Combine(folder, "jsr.xml");                bool folderExists = System.IO.Directory.Exists(folder);                if (folderExists && File.Exists(xmlFileName))//当文件存在时                {                    xmlDoc.Load(xmlFileName);                    XmlNode root = xmlDoc.SelectSingleNode("root");                    XmlNodeList nodeList = root.ChildNodes;//获得root节点的子节点                    foreach (XmlElement xe in nodeList)                    {                        toList.Add(xe.GetElementsByTagName("ACCYXQC")[0].InnerText);                    }                    return true;                }                return false;            }            catch (System.Exception ex)            {                MessageBox.Show("加载config.xml文件失败:" + ex.Message);                return false;            }        }        #endregion

密码加密：

# region 异或加密算法        public string encryptDecryptStr(string p)        {            byte[] bs = Encoding.Default.GetBytes(p);            for (int i = 0; i < bs.Length; i++)            {                bs[i] = (byte)(bs[i] ^ key);            }            return Encoding.Default.GetString(bs);        }        #endregion

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