Exchange Web Service 获取邮件的附件并保存到本地的示例代码

scs653298

private static void DownLoadMailAttachments(ExchangeService service, ItemId itemId)
{
EmailMessage message = EmailMessage.Bind(service, itemId, new PropertySet(BasePropertySet.FirstClassProperties, ItemSchema.Attachments)); ;
if (message.HasAttachments)
{
foreach (MailAttachment attachment in message.Attachments)
{
FileAttachment fileAttachment = attachment as FileAttachment;
ItemAttachment itemAttachment = attachment as ItemAttachment;
if (itemAttachment != null)
{
itemAttachment.Load(EmailMessageSchema.MimeContent);
char[] invalidChars = Path.GetInvalidPathChars();
string name = itemAttachment.Name;
foreach (char invalidChar in invalidChars)
{
name = name.Replace(invalidChar, ' ');
}
name = name.Replace(":", " ");
string emailPath = Path.Combine(Path.GetTempPath(), name + ".eml");
using (FileStream stream = File.Open(emailPath, FileMode.Create, FileAccess.ReadWrite))
{
foreach (byte content in itemAttachment.Item.MimeContent.Content)
{
stream.WriteByte(content);
}
}

}
if (fileAttachment != null)
{
string filePath = Path.Combine(Path.GetTempPath(), fileAttachment.Name);
fileAttachment.Load();
using (FileStream stream = File.Open(filePath, FileMode.Create, FileAccess.ReadWrite))
{
foreach (byte content in fileAttachment.Content)
{
stream.WriteByte(content);
}
}
}
}
}
}