标签:.com ogr compute app tostring access rom public sage
public static class FileHelper { /// <summary> /// 获取文件MD5值 /// </summary> /// <param name="fileName">文件绝对路径</param> /// <returns>MD5值</returns> public static string GetFileMD5(string fileName) { try { using (System.IO.FileStream fs = new System.IO.FileStream(fileName, System.IO.FileMode.Open, System.IO.FileAccess.Read)) { return GetFileMD5(fs); } } catch (Exception ex) { throw new Exception("GetMD5HashFromFile() fail,error:" + ex.Message); } } /// <summary> /// 获取文件MD5值 /// </summary> /// <param name="fs">文件流</param> /// <returns>MD5值</returns> public static string GetFileMD5(FileStream fs) { try { System.Security.Cryptography.MD5 md5 = new System.Security.Cryptography.MD5CryptoServiceProvider(); byte[] retVal = md5.ComputeHash(fs); StringBuilder sb = new StringBuilder(); for (int i = 0; i < retVal.Length; i++) { sb.Append(retVal[i].ToString("x2")); } return sb.ToString(); } catch (Exception ex) { throw new Exception("生成文件MD5是发生异常:" + ex.Message); } } }
标签:.com ogr compute app tostring access rom public sage
原文地址:http://www.cnblogs.com/li-sx/p/7691384.html