using?System;
using?System.Collections.Generic;
using?System.IO;
using?System.Linq;
using?System.Net;
using?System.Net.Mail;
using?System.Web;
using?System.Web.Configuration;

namespace?SendEmailSample
{
????///?

????///?郵件幫助類
????///?

????public?static?class?MailHelper
????{
????????///?

????????///?發送郵件
????????///?

????????///?郵件內容對象
????????///?發送郵件所遇到的異常
????????public?static?string?SendMail（MailRequest?request）
????????{
????????????try
????????????{
????????????????MailMessage?mail?=?new?MailMessage（）;

????????????????if?（string.IsNullOrEmpty（request.From））
????????????????{
????????????????????request.From?=?WebConfigurationManager.AppSettings[“DefaultMailFrom“];
????????????????}
????????????????mail.From?=?new?MailAddress（request.From）;

????????????????PaserMailAddress（request.To?mail.To）;
????????????????PaserMailAddress（request.CC?mail.CC）;
????????????????PaserMailAddress（request.Bcc?mail.Bcc）;

????????????????mail.Subject?=?request.Subject;
????????????????mail.SubjectEncoding?=?System.Text.Encoding.UTF8;
????????????????mail.Body?=?request.Body;
????????????????mail.ReplyTo?=?new?MailAddress（request.From）;
????????????????mail.IsBodyHtml?=?true;

????????????????if?（request.Attachments?!=?null?&&?request.Attachments.Length?>?0）
????????????????{
????????????????????for?（int?i?=?0;?i?????????????????????{
????????????????????????Attachment?mailAttach?=?new?Attachment（ByteArrayToStream（request.Attachments[i].FileData）?request.Attachments[i].FileName）;

????????????????????????mail.Attachments.Add（mailAttach）;
????????????????????}
????????????????}

????????????????if?（string.IsNullOrEmpty（WebConfigurationManager.AppSettings[“SMTPSERVER“]））
????????????????{
????????????????????throw?new?ApplicationException（“郵件服務無效“）;
????????????????}

????????????????//Smtp?Server
????????????????SmtpClient?mailClient?=?new?SmtpClient（WebConfigurationManager.AppSettings[“SMTPSERVER“]）;

????????????????if?（!string.IsNullOrEmpty（WebConfigurationManager.AppSettings[“SMTPSERVERPORT“]））
????????????????{
????????????????????//端口號
????????????????????try
????????????????????{
????????????????????????mailClient.Port?=?Int32.Parse（WebConfigurationManager.AppSettings[“SMTPSERVERPORT“]）;
????????????????????}
????????????????????catch
????????????????????{
????????????????????????return?“SMTP服務器端口設置錯誤，端口必須設置為數值型“;
????????????????????}
????????????????}

????????????????if?（!string.IsNullOrEmpty（WebConfigurationManager.AppSettings[“MAILUSER“]））
????????????????{
????????????????????mailClient.Credentials?=?new?System.Net.NetworkCredential（WebConfigurationManager.AppSettings[“MAILUSER“]?WebConfigurationManager.AppSettings[“MAILUSERPW“]）;
????????????????????mailClient.DeliveryMethod?=?SmtpDeliveryMethod.Network;
????????????????}
????????????????else

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2013-08-04?21:20??SendEmailSample\
?????目錄???????????0??2013-08-04?21:22??SendEmailSample\SendEmailSample\
?????文件?????????935??2013-08-04?21:20??SendEmailSample\SendEmailSample.sln
?????文件???????27648??2013-08-04?21:25??SendEmailSample\SendEmailSample.v11.suo
?????目錄???????????0??2013-08-04?21:22??SendEmailSample\SendEmailSample\bin\
?????文件????????9728??2013-08-04?21:23??SendEmailSample\SendEmailSample\bin\SendEmailSample.dll
?????文件???????28160??2013-08-04?21:23??SendEmailSample\SendEmailSample\bin\SendEmailSample.pdb
?????目錄???????????0??2013-08-04?21:21??SendEmailSample\SendEmailSample\doc\
?????文件??????????70??2013-08-04?21:21??SendEmailSample\SendEmailSample\doc\test.txt
?????文件????????5045??2013-08-04?21:23??SendEmailSample\SendEmailSample\MailHelper.cs
?????文件????????3320??2013-08-04?21:22??SendEmailSample\SendEmailSample\MailRequest.cs
?????文件????????1162??2013-08-04?21:22??SendEmailSample\SendEmailSample\MailRequestAttachments.cs
?????目錄???????????0??2013-08-04?21:20??SendEmailSample\SendEmailSample\obj\
?????目錄???????????0??2013-08-04?21:23??SendEmailSample\SendEmailSample\obj\Debug\
?????文件????????7489??2013-08-04?21:22??SendEmailSample\SendEmailSample\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache
?????文件?????????471??2013-08-04?21:22??SendEmailSample\SendEmailSample\obj\Debug\SendEmailSample.csproj.FileListAbsolute.txt
?????文件????????2247??2013-08-04?21:22??SendEmailSample\SendEmailSample\obj\Debug\SendEmailSample.csprojResolveAssemblyReference.cache
?????文件????????9728??2013-08-04?21:23??SendEmailSample\SendEmailSample\obj\Debug\SendEmailSample.dll
?????文件???????28160??2013-08-04?21:23??SendEmailSample\SendEmailSample\obj\Debug\SendEmailSample.pdb
?????目錄???????????0??2013-08-04?21:20??SendEmailSample\SendEmailSample\obj\Debug\TempPE\
?????目錄???????????0??2013-08-04?21:20??SendEmailSample\SendEmailSample\Properties\
?????文件????????1332??2013-08-04?21:20??SendEmailSample\SendEmailSample\Properties\AssemblyInfo.cs
?????文件????????5148??2013-08-04?21:22??SendEmailSample\SendEmailSample\SendEmailSample.csproj
?????文件????????1086??2013-08-04?21:22??SendEmailSample\SendEmailSample\SendEmailSample.csproj.user
?????文件?????????455??2013-08-04?21:22??SendEmailSample\SendEmailSample\SendEmailTest.aspx
?????文件????????1987??2013-08-04?21:22??SendEmailSample\SendEmailSample\SendEmailTest.aspx.cs
?????文件?????????811??2013-08-04?21:22??SendEmailSample\SendEmailSample\SendEmailTest.aspx.designer.cs
?????文件????????7741??2013-08-04?21:25??SendEmailSample\SendEmailSample\Web.config
?????文件????????1245??2013-08-04?21:20??SendEmailSample\SendEmailSample\Web.Debug.config
?????文件????????1306??2013-08-04?21:20??SendEmailSample\SendEmailSample\Web.Release.config