为什么IE（8）显示错误的FileName？当创建文件

我写这个程序，但不工作在一些borwser如IE（8） **为什么IE（8）显示错误的FileName？**换句话说它变成unicode名称！为什么IE（8）显示错误的FileName？当创建文件

当使用明确的名称其正常工作，但是当我用“文件名”其无法正常工作我apend我的源代码

请帮我感谢这么多

<!DOCTYPE html> 

<html xmlns="http://www.w3.org/1999/xhtml"> 
<head runat="server"> 
    <title></title> 
</head> 
<body> 
    <form id="form1" runat="server"> 
     <div> 
      <asp:FileUpload ID="FileUpload1" runat="server" /> 
      <hr /> 
      <asp:Button ID="btnEncrypt" Text="Encrypt File" runat="server" OnClick="EncryptFile" /> 
      <asp:Button ID="btnDecrypt" Text="Decrypt File" runat="server" OnClick="DecryptFile" /> 
      <br /> 

      <input type="submit" value="ersal" name="test" /> 
     </div> 
    </form> 
</body> 
</html> 



C# code is Here 





    protected void EncryptFile(object sender, EventArgs e) 
    { 
     //Get the Input File Name and Extension. 
     string fileName = Path.GetFileNameWithoutExtension(FileUpload1.PostedFile.FileName); 
     string fileExtension = Path.GetExtension(FileUpload1.PostedFile.FileName); 

     //Build the File Path for the original (input) and the encrypted (output) file. 
     string input = Server.MapPath("~/Files/") + fileName + fileExtension; 
     string output = Server.MapPath("~/Files/") + fileName + "_enc" + fileExtension; 

     //Save the Input File, Encrypt it and save the encrypted file in output path. 
     FileUpload1.SaveAs(input); 
     this.Encrypt(input, output); 

     ////Download the Encrypted File. 
     Response.ContentType = FileUpload1.PostedFile.ContentType; 
     Response.Clear(); 
     Response.AppendHeader("Content-Disposition", "attachment; filename=" + Path.GetFileName(output)); 
     Response.WriteFile(output); 
     Response.Flush(); 

     //Delete the original (input) and the encrypted (output) file. 
     File.Delete(input); 
     File.Delete(output); 

     Response.End(); 
    } 
    private void Encrypt(string inputFilePath, string outputfilePath) 
    { 
     string EncryptionKey = "A"; 
     using (Aes encryptor = Aes.Create()) 
     { 
      Rfc2898DeriveBytes pdb = new Rfc2898DeriveBytes(EncryptionKey, new byte[] { 0x49, 0x76, 0x61, 0x6e, 0x20, 0x4d, 0x65, 0x64, 0x76, 0x65, 0x64, 0x65, 0x76 }); 
      encryptor.Key = pdb.GetBytes(32); 
      encryptor.IV = pdb.GetBytes(16); 
      using (FileStream fsOutput = new FileStream(outputfilePath, FileMode.Create)) 
      { 
       using (CryptoStream cs = new CryptoStream(fsOutput, encryptor.CreateEncryptor(), CryptoStreamMode.Write)) 
       { 
        using (FileStream fsInput = new FileStream(inputFilePath, FileMode.Open)) 
        { 
         int data; 
         while ((data = fsInput.ReadByte()) != -1) 
         { 
          cs.WriteByte((byte)data); 
         } 
        } 
       } 
      } 
     } 
    } 


    protected void DecryptFile(object sender, EventArgs e) 
    { 
     //Get the Input File Name and Extension 
     string fileName = Path.GetFileNameWithoutExtension(FileUpload1.PostedFile.FileName); 
     string fileExtension = Path.GetExtension(FileUpload1.PostedFile.FileName); 

     //Build the File Path for the original (input) and the decrypted (output) file 
     string input = Server.MapPath("~/Files/") + fileName + fileExtension; 
     string output = Server.MapPath("~/Files/") + fileName + "_dec" + fileExtension; 

     //Save the Input File, Decrypt it and save the decrypted file in output path. 
     FileUpload1.SaveAs(input); 
     this.Decrypt(input, output); 

     //Download the Decrypted File. 
     Response.Clear(); 
     Response.ContentType = FileUpload1.PostedFile.ContentType; 
     Response.AppendHeader("Content-Disposition", "attachment; filename=" + Path.GetFileName(output)); 
     Response.WriteFile(output,false); 

     Response.Flush(); 

     //Delete the original (input) and the decrypted (output) file. 
     File.Delete(input); 
     File.Delete(output); 

     Response.End(); 
    } 
    private void Decrypt(string inputFilePath, string outputfilePath) 
    { 
     string EncryptionKey = "A"; 
     using (Aes encryptor = Aes.Create()) 
     { 
      Rfc2898DeriveBytes pdb = new Rfc2898DeriveBytes(EncryptionKey, new byte[] { 0x49, 0x76, 0x61, 0x6e, 0x20, 0x4d, 0x65, 0x64, 0x76, 0x65, 0x64, 0x65, 0x76 }); 
      encryptor.Key = pdb.GetBytes(32); 
      encryptor.IV = pdb.GetBytes(16); 
      using (FileStream fsInput = new FileStream(inputFilePath, FileMode.Open)) 
      { 
       using (CryptoStream cs = new CryptoStream(fsInput, encryptor.CreateDecryptor(), CryptoStreamMode.Read)) 
       { 
        using (FileStream fsOutput = new FileStream(outputfilePath, FileMode.Create)) 
        { 
         int data; 
         while ((data = cs.ReadByte()) != -1) 
         { 
          fsOutput.WriteByte((byte)data); 
         } 
        } 
       } 
      } 
     } 
    }

仅限Chrome显示正确的结果！

来源

2014-10-11 Ahmad Mirzai