C# 发送邮件通知
2024-09-07 05:47:09
web.config
<!-- 配置发邮件：邮件访问登录地址-->
<add key="HttpsUrl" value="http://localhost:3334/Frame/Login.aspx" />
<add key="IsSendMail" value="" />
<!--qq邮箱-->
<add key="MailUser" value="xxcc@qq.com" />
<add key="MailName" value="邮件通知" />
<add key="MailHost" value="smtp.qq.com" />
<add key="HostPort" value="" />
<!-- qq邮箱码-->
<add key="MailPwd" value="测试自己邮箱密码" />
公共方法 ConfigHelper
public class ConfigHelper
{
/// <summary>
/// 根据Key取Value值
/// </summary>
/// <param name="key"></param>
public static string GetValue(string key)
{
return ConfigurationManager.AppSettings[key].ToString().Trim();
} /// <summary>
/// 根据Key修改Value
/// </summary>
/// <param name="key">要修改的Key</param>
/// <param name="value">要修改为的值</param>
public static void SetValue(string key, string value)
{
System.Xml.XmlDocument xDoc = new System.Xml.XmlDocument();
xDoc.Load(HttpContext.Current.Server.MapPath("/XmlConfig/Config.xml"));
System.Xml.XmlNode xNode;
System.Xml.XmlElement xElem1;
System.Xml.XmlElement xElem2;
xNode = xDoc.SelectSingleNode("//appSettings"); xElem1 = (System.Xml.XmlElement)xNode.SelectSingleNode("//add[@key='" + key + "']");
if (xElem1 != null) xElem1.SetAttribute("value", value);
else
{
xElem2 = xDoc.CreateElement("add");
xElem2.SetAttribute("key", key);
xElem2.SetAttribute("value", value);
xNode.AppendChild(xElem2);
}
xDoc.Save(HttpContext.Current.Server.MapPath("/XmlConfig/Config.xml"));
} /// <summary>
/// 修改web.config的配置值
/// </summary>
/// <param name="key"></param>
/// <param name="value"></param>
public static void SetWebConfigValue(string key, string value) {
Configuration objConfig = WebConfigurationManager.OpenWebConfiguration("~"); AppSettingsSection objAppSettings = (AppSettingsSection)objConfig.GetSection("appSettings");
if (objAppSettings != null) {
//删除name，然后添加新值
objAppSettings.Settings.Remove(key);
objAppSettings.Settings.Add(key, value); //保存配置文件
objConfig.Save();
} }
}
发送邮件
/// <summary>
/// 发送邮件
/// </summary>
public class SMTPManager
{
public static string MailUser = ConfigHelper.GetValue("MailUser");
public static string MailName = ConfigHelper.GetValue("MailName");
public static string MailHost = ConfigHelper.GetValue("MailHost");
public static string MailPwd = ConfigHelper.GetValue("MailPwd");
public static string IsSendMail = ConfigHelper.GetValue("IsSendMail");
public static string HostPort = ConfigHelper.GetValue("HostPort");
public static string EnableSsl = ConfigHelper.GetValue("EnableSsl");
/// <summary>
/// 发送邮件
/// </summary>
/// <param name=" sender">发送人、支持发送多个人每个地址用 ; 号隔开</param>
/// <param name="Name">名称</param>
/// <param name="Describe">内容</param>
/// <param name="File_Path">附件</param>
/// <returns></returns>
public static bool MailSending(string Sender, string Name, string Describe, string File_Path)
{
if(IsSendMail !="")
{
return false;
}
try
{
MailAddress from = new MailAddress(MailUser, MailName); //邮件的发件人
MailMessage mail = new MailMessage(); //设置邮件图片
AlternateView htmlBody = AlternateView.CreateAlternateViewFromString(Describe, null, "text/html");
LinkedResource lrImage = new LinkedResource(AppDomain.CurrentDomain.BaseDirectory + "/Themes/Images/"+ConfigHelper.GetValue("EmailPhoto"), "image/gif");
lrImage.ContentId = "webimg"; //此处的ContentId 对应 htmlBodyContent 内容中的 cid: ，如果设置不正确，请不会显示图片
htmlBody.LinkedResources.Add(lrImage);
mail.AlternateViews.Add(htmlBody); //设置邮件的标题
mail.Subject = Name;//任务名称 //设置邮件的发件人
//Pass:如果不想显示自己的邮箱地址，这里可以填符合mail格式的任意名称，真正发mail的用户不在这里设定，这个仅仅只做显示用
mail.From = from; //设置邮件的收件人
string address = "";
string displayName = "";
/**/
/* 这里这样写是因为可能发给多个联系人，每个地址用 ; 号隔开
一般从地址簿中直接选择联系人的时候格式都会是 ：用户名1 < mail1 >; 用户名2 < mail 2>;
因此就有了下面一段逻辑不太好的代码
如果永远都只需要发给一个收件人那么就简单了 mail.To.Add("收件人mail");
*/
string[] mailNames = (Sender + ";").Split(';');
foreach (string name in mailNames)
{
if (name != string.Empty)
{
if (name.IndexOf('<') > )
{
displayName = name.Substring(, name.IndexOf('<'));
address = name.Substring(name.IndexOf('<') + ).Replace('>', ' ');
}
else
{
displayName = string.Empty;
address = name.Substring(name.IndexOf('<') + ).Replace('>', ' ');
}
mail.To.Add(new MailAddress(address, displayName));
}
} //设置邮件的抄送收件人
//这个就简单多了，如果不想快点下岗重要文件还是CC一份给领导比较好
//mail.CC.Add(new MailAddress("Manage@hotmail.com", "尊敬的领导"); //设置邮件的内容
mail.Body = FormatDescribe(Describe);
//设置邮件的格式
mail.BodyEncoding = System.Text.Encoding.UTF8;
mail.IsBodyHtml = true;
//设置邮件的发送级别
mail.Priority = MailPriority.Normal; //设置邮件的附件，将在客户端选择的附件先上传到服务器保存一个，然后加入到mail中
if (File_Path != "")
{
mail.Attachments.Add(new Attachment(File_Path));
mail.DeliveryNotificationOptions = DeliveryNotificationOptions.OnSuccess;
} SmtpClient client = new SmtpClient();
//设置用于 SMTP 事务的主机的名称，填IP地址也可以了
client.Host = MailHost;
//设置用于 SMTP 事务的端口，默认的是 25
client.Port = int.Parse(HostPort);
client.EnableSsl = EnableSsl == "" ? true : false;
client.UseDefaultCredentials = false;
//这里才是真正的邮箱登陆名和密码， 用户名为 MailUser 密码是 MailPwd
string strMailPwd = MailPwd;
client.Credentials = new System.Net.NetworkCredential(MailUser, strMailPwd.Trim());
client.DeliveryMethod = SmtpDeliveryMethod.Network; ////如果发送失败，SMTP 服务器将发送 失败邮件
mail.DeliveryNotificationOptions = DeliveryNotificationOptions.OnFailure; //都定义完了，正式发送了
client.Send(mail);
return true;
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
} /// <summary>
/// 格式化邮件内容
/// </summary>
/// <param name="Describe"></param>
/// <returns></returns>
public static string FormatDescribe(string Describe)
{
StringBuilder sb = new StringBuilder();
sb.Append("<table cellSpacing=0 cellPadding=0 width=100% border=1>"); sb.Append("<tr>");
sb.Append("<td bgColor=#ffffff colSpan=4 height=25>【管理系统】</td>");
sb.Append("</tr>"); sb.Append("<TR>");
sb.Append("<TD align=right width=9% bgColor=#eef7ff height=25>主 题</TD>");
sb.Append("<TD id=title bgColor=#ffffff colSpan=3><FONT face=宋体>");
sb.Append("管理邮件通知");
sb.Append("</FONT></TD>");
sb.Append("</TR>"); sb.Append("<TR>");
sb.Append("<TD align=right width=9% bgColor=#eef7ff height=250>内容</TD>");
sb.Append("<TD id=title bgColor=#ffffff colSpan=3><FONT face=宋体>");
sb.Append(Describe);
sb.Append("</FONT></TD>");
sb.Append("</TR>");
sb.Append("</table>"); return sb.ToString();
} /// <summary>
/// 发送电子邮件
/// </summary>
/// <param name="smtpserver">SMTP服务器</param>
/// <param name="userName">登录帐号</param>
/// <param name="pwd">登录密码</param>
/// <param name="nickName">发件人昵称</param>
/// <param name="strfrom">发件人</param>
/// <param name="strto">收件人</param>
/// <param name="subj">主题</param>
/// <param name="bodys">内容</param>
public static void SendMail(string smtpserver, string userName, string pwd, string nickName, string strfrom, string strto, string subj, string bodys)
{
try
{
SmtpClient _smtpClient = new SmtpClient();
_smtpClient.DeliveryMethod = SmtpDeliveryMethod.Network;//指定电子邮件发送方式
_smtpClient.Host = smtpserver;//指定SMTP服务器
_smtpClient.Credentials = new System.Net.NetworkCredential(userName, pwd);//用户名和密码 //MailMessage _mailMessage = new MailMessage(strfrom, strto);
MailAddress _from = new MailAddress(strfrom, nickName);
MailAddress _to = new MailAddress(strto);
MailMessage _mailMessage = new MailMessage(_from, _to);
_mailMessage.Subject = subj;//主题
_mailMessage.Body = bodys;//内容
_mailMessage.BodyEncoding = System.Text.Encoding.Default;//正文编码
_mailMessage.IsBodyHtml = true;//设置为HTML格式
_mailMessage.Priority = MailPriority.Normal;//优先级
_smtpClient.Send(_mailMessage);
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
} }
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