C# 获取文件MD5校验码

/// <summary>
/// 获取文件的MD5校验码
/// </summary>
/// <param name="fileName"></param>
/// <returns></returns>
protected string GetFileMD5(string fileName)
{
  using (var md5 = new MD5CryptoServiceProvider())
  {
    using (FileStream fs = File.OpenRead(fileName))
    {
      return BitConverter.ToString(md5.ComputeHash(fs)).Replace("-", string.Empty);
    }
  }
}
/// <summary>
/// 获取文件的MD5校验码
/// </summary>
/// <param name="fileName"></param>
/// <returns></returns>
protected string GetFileMD5(string fileName)
{
  using (var md5 = new MD5CryptoServiceProvider())
  {
    using (FileStream fs = File.OpenRead(fileName))
    {
      return BitConverter.ToString(md5.ComputeHash(fs)).Replace("-", string.Empty);
    }
  }
}
/// <summary>
/// 获取文件的MD5校验码
/// </summary>
/// <param name="fileName"></param>
/// <returns></returns>
protected string GetFileMD5(string fileName)
{
	using (var md5 = new MD5CryptoServiceProvider())
	{
		using (FileStream fs = File.OpenRead(fileName))
		{
			return BitConverter.ToString(md5.ComputeHash(fs)).Replace("-", string.Empty);
		}
	}
}