参考理解IE保护模式:https://blog.csdn.net/xt_xiaotian/article/details/5336809
文件帮助类:
public class FileHelp { public enum GetDirectoryType { ByAppDomain, ByAssembly } public static string GetCurrentDirectory(GetDirectoryType type = GetDirectoryType.ByAppDomain) { switch (type) { case GetDirectoryType.ByAppDomain: return AppDomain.CurrentDomain.BaseDirectory; case GetDirectoryType.ByAssembly: return Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location); default: return AppDomain.CurrentDomain.BaseDirectory; } } public static string GetCurrentDirectoryByAssembly() { return GetCurrentDirectory(GetDirectoryType.ByAssembly); } /// <summary> ///程序数据路径- C:\ProgramData /// </summary> /// <returns></returns> public static string GetCommonApplicationData() { return Environment.GetFolderPath(Environment.SpecialFolder.CommonApplicationData); } /// <summary> /// 用户数据路径 /// </summary> /// <returns></returns> public static string GetApplicationData() { return Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData); } /// <summary> /// 用户数据本地路径 /// </summary> /// <returns></returns> public static string GetLocalApplicationData() { return Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData); } /// <summary> /// 用户路径 /// </summary> /// <returns></returns> public static string GetUserProfile() { return Environment.GetFolderPath(Environment.SpecialFolder.UserProfile); } /// <summary> /// 用户的图片路径 /// </summary> /// <returns></returns> public static string GetMyPictures() { return Environment.GetFolderPath(Environment.SpecialFolder.MyPictures); } /// <summary> /// 用户的视频路径 /// </summary> /// <returns></returns> public static string GetMyVideos() { return Environment.GetFolderPath(Environment.SpecialFolder.MyVideos); } /// <summary> /// 用户的文档路径 /// </summary> /// <returns></returns> public static string GetMyDocuments() { return Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments); } /// <summary> /// IE保护模式下的低权限操作路径(Temporary Internet Files/Low) /// 参考:https://blog.csdn.net/xt_xiaotian/article/details/5336809 /// </summary> /// <returns></returns> public static string GetTemporaryInternetFiles() { return GetLocalApplicationData()+ "\\Microsoft\\Windows\\Temporary Internet Files\\Low"; } /// <summary> /// IE保护模式下的低权限操作路径(%userprofile%/AppData/LocalLow) /// 参考:https://blog.csdn.net/xt_xiaotian/article/details/5336809 /// </summary> /// <returns></returns> public static string GetAppDataLocalLow() { return GetUserProfile() + "\\AppData\\LocalLow"; } /// <summary> /// 二进制文件读取 /// </summary> /// <param name="FileUrl">文件路径</param> /// <returns></returns> public static byte[] BinaryRead(string FileUrl) { List<byte> lst = new List<byte>(); try { //文件路径 String filename = FileUrl; //打开文件 FileStream FStream; if (File.Exists(filename)) { FStream = new FileStream(filename, FileMode.Open); } else { return null; } int BufferSize = 1048576; //每次读取的字节数 每次读取1MB byte[] Buffer = new byte[BufferSize]; long FileLength = FStream.Length;//文件流的长度 int ReadCount = (int)(FileLength / BufferSize) + 1; //需要对文件读取的次数 //数据读取 BinaryReader BWrite = new BinaryReader(FStream); //br.BaseStream.Seek(0, SeekOrigin.Begin); //while (br.BaseStream.Position < br.BaseStream.Length){} for (int a = 0; a < ReadCount; a++) { Buffer = BWrite.ReadBytes(BufferSize); lst.AddRange(Buffer); } BWrite.Close(); BWrite.Close(); return lst.ToArray(); } catch (System.Exception ex) { Log.WriteLog4Ex("FileHelp.BinaryRead", ex); return null; } } /// <summary> /// 二进制文件写入 /// </summary> /// <param name="Bts"></param> /// <param name="DirectoryUrl">文件目录路径</param> /// <param name="FileName">文件名称</param> /// <returns></returns> public static bool BinaryWrite(byte[] Bts, string DirectoryUrl, string FileName) { try { //文件路径 string Filepath = DirectoryUrl + "\\" + FileName; //目录创建 if (!Directory.Exists(DirectoryUrl)) Directory.CreateDirectory(DirectoryUrl); //文件创建 FileStream FStream; if (File.Exists(Filepath)) { FStream = new FileStream(Filepath, FileMode.Append); } else { FStream = new FileStream(Filepath, FileMode.Create); } //数据写入 BinaryWriter BWrite = new BinaryWriter(FStream); BWrite.Write(Bts); BWrite.Close(); FStream.Close(); return true; } catch (System.Exception ex) { Log.WriteLog4Ex("FileHelp.BinaryWrite", ex); return false; } } /// <summary> /// 二进制文件删除 /// </summary> /// <param name="FileUrl">文件路径</param> public static void FileDelete(string FileUrl) { try { //文件路径 String filename = FileUrl; //删除文件 if (File.Exists(filename)) { File.Delete(filename); } } catch (System.Exception ex) { Log.WriteLog4Ex("FileHelp.FileDelete", ex); } } }
IE保护模式下的允许访问低权限路径:
/// <summary> /// IE保护模式下的低权限操作路径(Temporary Internet Files/Low) /// 参考:https://blog.csdn.net/xt_xiaotian/article/details/5336809 /// </summary> /// <returns></returns> public static string GetTemporaryInternetFiles() { return GetLocalApplicationData()+ "\\Microsoft\\Windows\\Temporary Internet Files\\Low"; } /// <summary> /// IE保护模式下的低权限操作路径(%userprofile%/AppData/LocalLow) /// 参考:https://blog.csdn.net/xt_xiaotian/article/details/5336809 /// </summary> /// <returns></returns> public static string GetAppDataLocalLow() { return GetUserProfile() + "\\AppData\\LocalLow"; }