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EmailHelper.cs
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296 lines (271 loc) · 8.88 KB
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/*
* 作用：利用 Smtp 发送邮件。
* */
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Net.Mail;
using System.Net;
namespace Helper.Core.Library
{
#region 邮件帮助辅助类
/// <summary>
/// 邮件实体对象
/// </summary>
public class EmailEntity
{
private Encoding subjectEncoding = Encoding.UTF8;
private Encoding contentEncoding = Encoding.UTF8;
private MailPriority priority = MailPriority.Normal;
private string smtp = "smtp.qq.com";
private int port = 25;
private bool isSsl = true;
/// <summary>
/// 发件人邮箱地址
/// </summary>
public string Address { get; set; }
/// <summary>
/// 接收人邮件列表
/// </summary>
public List<string> ReceiverList { get; set; }
/// <summary>
/// 邮件标题
/// </summary>
public string Subject { get; set; }
/// <summary>
/// 邮件标题编码格式
/// </summary>
public Encoding SubjectEncoding
{
get { return this.subjectEncoding; }
set { this.subjectEncoding = value; }
}
/// <summary>
/// 邮件内容
/// </summary>
public string Content { get; set; }
/// <summary>
/// 邮件内容编码格式
/// </summary>
public Encoding ContentEncoding
{
get { return this.contentEncoding; }
set { this.contentEncoding = value; }
}
/// <summary>
/// 附件地址列表
/// </summary>
public List<string> AttachmentList { get; set; }
/// <summary>
/// 邮件优先级
/// </summary>
public MailPriority Priority
{
get { return this.priority; }
set { this.priority = value; }
}
/// <summary>
/// 发件人邮箱账户
/// </summary>
public string Account { get; set; }
/// <summary>
/// 发件人邮箱密码
/// </summary>
public string Password { get; set; }
/// <summary>
/// 邮箱 SMTP
/// </summary>
public string Smtp
{
get { return this.smtp; }
set { this.smtp = value; }
}
/// <summary>
/// 邮箱端口
/// </summary>
public int Port
{
get { return this.port; }
set { this.port = value; }
}
/// <summary>
/// 是否安全发送
/// </summary>
public bool IsSsl
{
get { return this.isSsl; }
set { this.isSsl = value; }
}
public EmailEntity()
{
// 初始化设置
this.SubjectEncoding = Encoding.UTF8;
}
}
#endregion
public class EmailHelper
{
#region 私有属性常量
private static Dictionary<string, EmailSmtpData> SmtpDict = new Dictionary<string, EmailSmtpData>();
#endregion
#region 对外公开方法
/// <summary>
/// 初始化邮件账户数据
/// </summary>
/// <param name="key">KEY</param>
/// <param name="data">EmailSmtpData</param>
public static void Init(string key, EmailSmtpData data)
{
if(SmtpDict.ContainsKey(key))
{
SmtpDict[key] = data;
}
else
{
SmtpDict.Add(key, data);
}
}
/// <summary>
/// 邮件发送
/// </summary>
/// <param name="key">KEY</param>
/// <param name="subject">邮件主题</param>
/// <param name="content">邮件内容</param>
/// <param name="receiverList">收件人地址列表</param>
/// <returns></returns>
public static bool Send(string key, string subject, string content, string[] receiverList)
{
if (!SmtpDict.ContainsKey(key)) return false;
EmailSmtpData smtpData = SmtpDict[key];
return Send(new EmailEntity()
{
Address = smtpData.Address,
ReceiverList = receiverList.ToList<string>(),
Subject = subject,
Content = content,
Account = smtpData.Account,
Password = smtpData.Password,
Smtp = smtpData.Smtp,
Port = smtpData.Port,
IsSsl = smtpData.IsSsl
});
}
/// <summary>
/// 邮件发送
/// </summary>
/// <param name="sendAddress">发件人地址</param>
/// <param name="receiverAddress">收件人地址</param>
/// <param name="subject">邮件主题</param>
/// <param name="content">邮件内容</param>
/// <param name="account">发件人帐号</param>
/// <param name="accountPassword">发件人密码</param>
/// <param name="smtp">Smtp</param>
/// <param name="smtpPort">Smtp 端口</param>
/// <param name="isSsl">是否安全发送</param>
/// <returns></returns>
public static bool Send(string sendAddress, string receiverAddress, string subject, string content, string account, string accountPassword, string smtp = "smtp.qq.com", int smtpPort = 25, bool isSsl = true)
{
EmailEntity entity = new EmailEntity()
{
Address = sendAddress,
ReceiverList = new List<string>() { receiverAddress },
Subject = subject,
Content = content,
Account = account,
Password = accountPassword,
Smtp = smtp,
Port = smtpPort,
IsSsl = isSsl
};
return Send(entity);
}
/// <summary>
/// 邮件发送
/// </summary>
/// <param name="emailEntity">EmailEntity</param>
/// <returns></returns>
public static bool Send(EmailEntity emailEntity)
{
SmtpClient client = null;
try
{
List<string> receiverList = emailEntity.ReceiverList;
List<string> attachmentList = emailEntity.AttachmentList;
MailMessage mailMessage = new MailMessage();
// 设置发件人
mailMessage.From = new MailAddress(emailEntity.Address);
// 设置收件人
if (receiverList != null && receiverList.Count > 0)
{
foreach (string receiver in receiverList)
{
mailMessage.To.Add(receiver);
}
}
// 设置邮件标题
mailMessage.Subject = emailEntity.Subject;
mailMessage.SubjectEncoding = emailEntity.SubjectEncoding;
// 设置邮件内容
mailMessage.Body = emailEntity.Content;
mailMessage.BodyEncoding = emailEntity.ContentEncoding;
// 设置附件
if (attachmentList != null && attachmentList.Count > 0)
{
foreach (string attachment in attachmentList)
{
mailMessage.Attachments.Add(new Attachment(attachment));
}
}
// 设置优先级
mailMessage.Priority = emailEntity.Priority;
// 设置邮件发送服务器
client = new SmtpClient(emailEntity.Smtp, emailEntity.Port);
// 设置发件人邮箱账号和密码
client.Credentials = new NetworkCredential(emailEntity.Account, emailEntity.Password);
// 是否启用安全发送
client.EnableSsl = emailEntity.IsSsl;
// 发送邮件
client.Send(mailMessage);
return true;
}
catch
{
throw;
}
finally
{
if (client != null) client.Dispose();
}
}
#endregion
}
#region 逻辑处理辅助类
public class EmailSmtpData
{
/// <summary>
/// 发件人邮件地址
/// </summary>
public string Address { get; set; }
/// <summary>
/// SMTP
/// </summary>
public string Smtp { get; set; }
/// <summary>
/// 端口
/// </summary>
public int Port { get; set; }
/// <summary>
/// 发件人账号
/// </summary>
public string Account { get; set; }
/// <summary>
/// 发件人密码
/// </summary>
public string Password { get; set; }
/// <summary>
/// IsSsl
/// </summary>
public bool IsSsl { get; set; }
}
#endregion
}