摘要：
stringtextToBase64(string sAscii){System.Text.ASCIIEncoding encoding =newSystem.Text.ASCIIEncoding();byte[]bytes = encoding.GetBytes(sAscii);returnSystem.Convert.ToBase64String(bytes, 0 , bytes.Length);}stringbase64ToText(string sbase64){byte[]bytes = System.Convert.FromBase64String(sbase64);System. 阅读全文