/// <summary>
/// 加密字符串
/// </summary>
/// <param name="input"></param>
/// <returns></returns>
public static string EncryptString(string input)
{
return(MD5Util.AddMD5Profix(Base64Util.Encrypt(MD5Util.AddMD5Profix(input))));
//return Base64.Encrypt(MD5.AddMD5Profix(Base64.Encrypt(input)));
}