C#中用SmtpClient发邮件很简单，闲着无事，简单封装一下
IEmailFactory
public interface IEmailFactory
{
IEmailFactory SetHost(string host);
IEmailFactory SetPort(int port);
IEmailFactory SetUserName(string userName);
IEmailFactory SetPassword(string password);
IEmailFactory SetSSL(bool enableSsl);
IEmailFactory SetTimeout(int timeout);
IEmailFactory SetFromAddress(string address);
IEmailFactory SetFromDisplayName(string displayName);
IEmailFactory LoadFromConfigFile(); //从Config文件中加载配置
IEmailFactory SetSubject(string subject);
IEmailFactory SetBody(string body);
/// <summary>
/// 添加收件人地址（执行多次即添加多个地址）
/// </summary>
IEmailFactory SetToAddress(params string[] addresses);
/// <summary>
/// 添加抄送人地址（执行多次即添加多个地址）
/// </summary>
IEmailFactory SetCcAddress(params string[] addresses);
/// <summary>
/// 添加附件（执行多次即添加多个附件）
/// </summary>
IEmailFactory SetAttachment(params Attachment[] attachments); void Send();
Task SendAsync();
}
EmailFactory
class EmailFactory : IEmailFactory
{
#region properties
protected string Host { get; set; }
protected int Port { get; set; }
protected string UserName { get; set; }
protected string Password { get; set; }
protected bool EnableSSL { get; set; }
protected int? Timeout { get; set; }
protected string FromAddress { get; set; }
protected string FromDisplayName { get; set; }
protected string Subject { get; set; }
protected string Body { get; set; }
protected IList<string> ToList { get; set; }
protected IList<string> CcList { get; set; }
protected IList<Attachment> Attachments { get; set; }
#endregion #region initial methods
public IEmailFactory SetHost(string host)
{
this.Host = host;
return this;
}
public IEmailFactory SetPort(int port)
{
this.Port = port;
return this;
}
public IEmailFactory SetSSL(bool enableSsl)
{
this.EnableSSL = enableSsl;
return this;
}
public IEmailFactory SetTimeout(int timeout)
{
this.Timeout = timeout;
return this;
}
public IEmailFactory SetUserName(string userName)
{
this.UserName = userName;
return this;
}
public IEmailFactory SetPassword(string password)
{
this.Password = password;
return this;
}
public IEmailFactory SetFromAddress(string address)
{
this.FromAddress = address;
return this;
}
public IEmailFactory SetFromDisplayName(string displayName)
{
this.FromDisplayName = displayName;
return this;
}
public IEmailFactory LoadFromConfigFile()
{
var section = ConfigurationManager.GetSection("system.net/mailSettings/smtp") as System.Net.Configuration.SmtpSection;
this.Host = section.Network.Host;
this.Port = section.Network.Port;
this.EnableSSL = section.Network.EnableSsl;
this.UserName = section.Network.UserName;
this.Password = section.Network.Password;
this.FromAddress = section.From;
return this;
}
public IEmailFactory SetSubject(string subject)
{
this.Subject = subject;
return this;
}
public IEmailFactory SetBody(string body)
{
this.Body = body;
return this;
}
public IEmailFactory SetToAddress(params string[] addresses)
{
if (this.ToList == null) this.ToList = new List<string>();
if (addresses != null)
foreach (var item in addresses)
this.ToList.Add(item); return this;
}
public IEmailFactory SetCcAddress(params string[] addresses)
{
if (this.CcList == null) this.CcList = new List<string>();
if (addresses != null)
foreach (var item in addresses)
this.CcList.Add(item); return this;
}
public IEmailFactory SetAttachment(params Attachment[] attachments)
{
if (this.Attachments == null) this.Attachments = new List<Attachment>();
if (attachments != null)
foreach (var item in attachments)
this.Attachments.Add(item); return this;
}
#endregion public virtual void Send()
{
using (SmtpClient smtp = new SmtpClient(this.Host, this.Port))
{
var message = PreSend(smtp);
smtp.Send(message);
}
}
public virtual async Task SendAsync()
{
using (SmtpClient smtp = new SmtpClient(this.Host, this.Port))
{
var message = PreSend(smtp);
await smtp.SendMailAsync(message);
}
} private MailMessage PreSend(SmtpClient smtp)
{
if (this.UserName != null && this.Password != null)
{
smtp.UseDefaultCredentials = false;
smtp.DeliveryMethod = SmtpDeliveryMethod.Network;
smtp.Credentials = new System.Net.NetworkCredential(this.UserName, this.Password);
}
if (this.Timeout == null)
smtp.Timeout = ; var message = new MailMessage();
message.From = new MailAddress(this.FromAddress, this.FromDisplayName, Encoding.UTF8); if (this.ToList != null)
foreach (var address in this.ToList)
message.To.Add(address); if (this.CcList != null)
foreach (var address in this.CcList)
message.CC.Add(address); if (this.Attachments != null)
foreach (var attachment in this.Attachments)
message.Attachments.Add(attachment); message.Subject = this.Subject;
message.SubjectEncoding = Encoding.UTF8;
message.Body = this.Body;
message.IsBodyHtml = true;
message.BodyEncoding = Encoding.UTF8;
message.DeliveryNotificationOptions = DeliveryNotificationOptions.OnFailure;
return message;
}
}
EmailWrapper
public class EmailWrapper
{
private static readonly EmailHelper _instance = new EmailHelper();
private EmailHelper() { } public static IEmailFactory Initalize
{
get { return _instance.GetFactory(); }
}
private IEmailFactory GetFactory()
{
return new EmailFactory();
}
}
使用方法：
//同步发送
EmailWrapper.Initalize
.SetHost("smtp.xxxxx.com")
.SetPort()
.SetUserName("xxx@xxxxx.com")
.SetPassword("******")
.SetSSL(false)
.SetFromAddress("xxx@xxxxx.com")
.SetFromDisplayName("Felix")
.SetToAddress("f5.zhang@qq.com", "f5.lee@gmail.com")
.SetCcAddress("f5.chow@yahoo.com")
.SetSubject("会员注册成功")
.SetBody("恭喜你成为会员，为了你的账号安全，请尽快前往安全中心修改登录密码。")
.Send(); //异步发送 从CONFIG中加载配置
await EmailWrapper.Initalize
.LoadFromConfigFile()
.SetFromDisplayName("Felix")
.SetToAddress("f5.zhang@qq.com")
.SetToAddress("f5.lee@gmail.com")
.SetToAddress("f5.chow@yahoo.com")
.SetSubject("会员注册成功")
.SetBody("恭喜你成为会员，为了你的账号安全，请尽快前往安全中心修改登录密码。")
.SendAsync();