| 用c#写的smtp邮件发送类__教程 |
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| 日期：2007-5-20 1:21:25 人气：114 [大 中 小] |
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message+="--=====001_Dragon255511664284_====="+CRLF;
message+="Content-Type:text/html;"+CRLF+" ".PadRight(8,' ')+"charset=\""+mail.MailEncoding.ToString().ToLower()+"\""+CRLF;
message+="Content-Transfer-Encoding:base64"+CRLF+CRLF;
if(mail.MailBody!=null)
message+=Convert.ToBase64String(mail.MailBody,0,mail.MailBody.Length)+CRLF+CRLF;
for(int i=0;i<attatchmentDatas.Count;i++)
{
message+="--=====001_Dragon255511664284_====="+CRLF+attatchmentDatas[i]+CRLF+CRLF;
}
message+="--=====001_Dragon255511664284_=====--"+CRLF+CRLF+CRLF+"."+CRLF;
}
}
//发送邮件数据
this.mailEncodingName=mail.MailEncoding.ToString();
this.sendCommand(message,true);
if(this.sendIsComplete)
this.sendCommand("QUIT",false);
}
catch
{
isSended=false;
}
finally
{
this.disconnect();
//输出日志文件
if(this.LogPath!=null)
{
FileStream fs=null;
if(File.Exists(this.LogPath))
{
fs=new FileStream(this.LogPath,FileMode.Append,FileAccess.Write);
this.logs=CRLF+CRLF+this.logs;
}
else
fs=new FileStream(this.LogPath,FileMode.Create,FileAccess.Write);
byte[] logPath_b=Encoding.GetEncoding("gb2312").GetBytes(this.logs);
fs.Write(logPath_b,0,logPath_b.Length);
fs.Close();
}
}
return isSended;
}
/// <summary>
/// 异步写入数据
/// </summary>
/// <param name="result"></param>
private void asyncCallBack(IAsyncResult result)
{
if(result.IsCompleted)
this.sendIsComplete=true;
}
/// <summary>
/// 关闭连接
/// </summary>
private void disconnect()
{
try
{
ns.Close();
tc.Close();
}
catch
{
;
}
}
/// <summary>
/// 设置出现错误时的动作
/// </summary>
/// <param name="errorStr"></param>
private void setError(string errorStr)
{
this.errorMessage=errorStr;
logs+=this.errorMessage+CRLF+"【邮件处理动作中止】"+CRLF;
this.disconnect();
throw new ApplicationException("");
}
/// <summary>
///将字符串转换为base64
/// </summary>
/// <param name="str"></param>
/// <param name="encodingName"></param>
/// <returns></returns>
private string convertBase64String(string str,string encodingName)
{
byte[] str_b=Encoding.GetEncoding(encodingName).GetBytes(str);
return Convert.ToBase64String(str_b,0,str_b.Length);
}
#endregion
}
}
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| 出处：本站原创 作者：佚名 |
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