最近有从邮件提取附件的工作需要..所以在网上找了找一些资料..不想找到一篇不错的文章.先收起来
呵呵
           

              byte[] imageBytes = Base64DecodeString(code);

              FileStream fstrm = new FileStream(@"C:\logo.gif", FileMode.CreateNew, FileAccess.Write);

              BinaryWriter writer = new BinaryWriter(fstrm);

              writer.Write(imageBytes);

              writer.Close();

              fstrm.Close();

 

         }

 

         public static  byte[] Base64DecodeString(string inputStr)

         {

              byte[] decodedByteArray =

                   Convert.FromBase64CharArray(inputStr.ToCharArray(),

                   0, inputStr.Length);

              return (decodedByteArray);

         }
关键的代码就在这里..相信大家一看就知道了..是好东西啊.