/// <summary>
/// 获取文件的MD5值，可能抛出异常
/// </summary>
/// <param name="filepath">文件路径</param>
/// <param name="charcase">字符大小写，默认小写</param>
/// <returns>获取大的MD5值</returns>
public static string GetFileMd5Value(string filepath, CharCaseEnum charcase = CharCaseEnum.LOWER)
{
byte[] content = FileToBytes(filepath);
if (content == null)
{
return(null);
}
return(EncryptUtils.GetBytesMd5Value(content, charcase));
}
/// <summary>
/// 获取二进制数组的MD5值
/// </summary>
/// <param name="content">要获取MD5值二进制数组</param>
/// <param name="charcase">字符大小写，默认为小写</param>
/// <returns>得到的MD5值</returns>
public static string GetBytesMd5Value(byte[] content, CharCaseEnum charcase = CharCaseEnum.LOWER)
{
if (content == null)
{
throw new NonStandardInputException("如果你想要获取二进制数组的MD5值，那么请确保该二进制数组不为NULL");
}
MD5 md5 = new MD5CryptoServiceProvider();
byte[] md5data = md5.ComputeHash(content);
md5.Clear();
string str = "", formatstr = charcase == CharCaseEnum.LOWER?"x":"X";
for (int i = 0; i < md5data.Length - 1; i++)
{
str += md5data[i].ToString(formatstr).PadLeft(2, '0');
}
return(str);
}
/// <summary>
/// 获取字符串的MD5值
/// </summary>
/// <param name="str">字符串</param>
/// <param name="encode">编码格式</param>
/// <param name="charcase">字符大小写</param>
/// <returns>MD5值</returns>
public static string GetMd5Value(this string str, Encoding encode, CharCaseEnum charcase = CharCaseEnum.LOWER)
{
byte[] content = encode.GetBytes(str);
return(EncryptUtils.GetBytesMd5Value(content, charcase));
}
