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| #region
|
| using System.IO;
|
| #endregion
|
| namespace CSFrameworkV5.Common
| {
| /// <summary>
| /// 取真实的文件类型(文件扩展名）
| /// </summary>
| public class TrueFileFormat
| {
| /// <summary>
| /// 取真实的文件类型
| /// </summary>
| /// <param name="path"></param>
| /// <returns></returns>
| public static FileExtension GetExtension(string path)
| {
| if (!File.Exists(CodeSafeHelper.GetSafePath(path)))
| return FileExtension.UNKNOW;
|
| var fs = new FileStream(CodeSafeHelper.GetSafePath(path),
| FileMode.Open, FileAccess.Read);
| var r = new BinaryReader(fs);
| var bx = "";
| byte buffer;
| try
| {
| buffer = r.ReadByte();
| bx = buffer.ToStringEx();
| buffer = r.ReadByte();
| bx += buffer.ToStringEx();
| r.Close();
| fs.Close();
| return (FileExtension)int.Parse(bx); //真实的文件类型
| }
| catch
| {
| return FileExtension.UNKNOW;
| }
| }
| }
|
| /// <summary>
| /// 文件扩展名编号
| /// </summary>
| public enum FileExtension
| {
| UNKNOW = 0, //未知类型
| JPG = 255216,
| GIF = 7173,
| BMP = 6677,
| PNG = 13780,
| COM = 7790,
| EXE = 7790,
| DLL = 7790,
| RAR = 8297,
| ZIP = 8075,
| XML = 6063,
| HTML = 6033,
| ASPX = 239187,
| CS = 117115,
| JS = 119105,
| TXT = 210187,
| SQL = 255254,
| BAT = 64101,
| BTSEED = 10056,
| RDP = 255254,
| PSD = 5666,
| PDF = 3780,
| CHM = 7384,
| LOG = 70105,
| REG = 8269,
| HLP = 6395,
| DOC = 208207,
| XLS = 208207,
| DOCX = 208207,
| XLSX = 208207
| }
| }
|
|
