/// <summary>
/// 得到输入字符串哈希值的长度
/// </summary>
/// <param name="input"></param>
/// <param name="options"></param>
/// <returns></returns>
public static decimal GetHashKey(string input, StringFilterOptions options)
{
ulong num;
if (string.IsNullOrEmpty(input))
{
return(0M);
}
input = FilterInvalidChar(input, options);
var data = Encoding.UTF8.GetBytes(input);
var encryData = Md5.Encrypt(data);
num = BitConverter.ToUInt64(encryData, 4);
return(DataConverter.CDecimal(num));
}
/// <summary>
/// 得到以数字9开头，长度在9位以内的数字
/// 1、对输入的字符串进行MD5加密
/// 2、长度大于等于9位时，返回"9" + input.Substring(1, 8)
/// 3、长度小于9位时，返回"9" + input
/// </summary>
/// <param name="strText"></param>
/// <returns></returns>
public static int MD5D(string strText)
{
var data = Encoding.UTF8.GetBytes(strText);
var encryData = Md5.Encrypt(data);
StringBuilder builder = new StringBuilder();
foreach (byte num in encryData)
{
builder.Append(num.ToString("D", CultureInfo.CurrentCulture).ToLower());
}
string input = builder.ToString();
if (input.Length >= 9)
{
input = "9" + input.Substring(1, 8);
}
else
{
input = "9" + input;
}
return(DataConverter.CLng(input));
}