private static void ContentMD5()
{
var str = "Hello World!";
var data = Encoding.UTF8.GetBytes(str);
var md5 = MD5Encrypt.GetEncryptData(data);
var base64 = Convert.ToBase64String(md5);
Console.WriteLine(base64);
var bas64 = MD5Encrypt.GetContentMD5(str);
Console.WriteLine(bas64);
}