/// <summary>
/// 解析附件并且下载到本地目录
/// </summary>
/// <param name="filePath">路径</param>
/// <param name="messageFile">附件对象</param>
/// <param name="UID"></param>
/// <returns></returns>
private static List <MailFile> GetFile(string filePath, MIME_Entity[] messageFile, string UID)
{
var resultList = new List <MailFile>();
foreach (MIME_Entity entity in messageFile)
{
var fileName = entity.ContentType.Param_Name;
var fileByte = (MIME_b_SinglepartBase)entity.Body;
var fileId = UID + "_" + fileName;
DirFileHelper.CreateFile(filePath + fileId, fileByte.Data);
var fileSize = DirFileHelper.GetFileSize(filePath + fileId);
resultList.Add(new MailFile
{
FileId = fileId,
FileName = fileName,
FileSize = DirFileHelper.ToFileSize(fileSize)
});
}
return(resultList);
}
/// <summary>
/// 获取
/// </summary>
/// <param name="account">配置</param>
/// <param name="receiveCount">已收邮件数、注意：如果已收邮件数和邮件数量一致则不获取</param>
/// <returns></returns>
public static List <MailModel> Get(MailAccount account, int receiveCount)
{
try
{
var filePath = DirFileHelper.GetAbsolutePath("~/Resource/EmailFile/");
var resultList = new List <MailModel>();
using (POP3_Client pop3Client = new POP3_Client())
{
pop3Client.Connect(account.POP3Host, account.POP3Port, account.Ssl);
pop3Client.Login(account.Account, account.Password);
var messages = pop3Client.Messages;
if (receiveCount == messages.Count)
{
return(resultList);
}
for (int i = messages.Count - 1; receiveCount <= i; i--)
{
var messageItem = messages[i];
var messageHeader = Mail_Message.ParseFromByte(messageItem.MessageToByte());
resultList.Add(new MailModel()
{
UID = messageItem.UID,
To = messageHeader.From == null ? "" : messageHeader.From[0].Address,
ToName = messageHeader.From == null ? "" : messageHeader.From[0].DisplayName,
Subject = messageHeader.Subject,
BodyText = messageHeader.BodyHtmlText,
Attachment = GetFile(filePath, messageHeader.GetAttachments(true, true), messageItem.UID),
Date = messageHeader.Date,
});
}
}
return(resultList);
}
catch (Exception ex)
{
throw ex;
}
}