两步搞定
1、引用
using System.Security.Cryptography;
using System.IO;
2、复制下面的方法。
private static string GetFileMD5(string fileName)
{
try
{
var file = new FileStream(fileName, FileMode.Open);
var md5 = new MD5CryptoServiceProvider();
var retVal = md5.ComputeHash(file);
file.Close();
var sb = new StringBuilder();
for (var i = 0; i < retVal.Length; i++)
{
sb.Append(retVal[i].ToString("x2"));
}
return sb.ToString();
}
catch (Exception)
{
return string.Empty;
}
}