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package application/X-MS-WMD
Wmdb Windows Media Library
WMF ACDSee WMF image
WMS Windows Media Player appearance File
WMV file video/X-MS-WMV
Wmx Windows Media Audio/Video playback list video/X-MS-wmx
WMZ Windows Media Player appearance package application/X-MS-WMZ
WPL windows media playlist application/vnd. MS-WPL
WR
WMS Windows Media Player appearance File
WMV File video/x-ms-wmv
WMX Windows Media Audio/video playback list video/x-ms-wmx
WMZ Windows Media Player appearance package application/x-ms-wmz
WPL Windows Media playlist application/vnd. ms-wpl
WRI writer documentation
WSC Windows Script component text/scriptlet
WSF Window
In PHP development, the traditional file Upload type verification method is based on the file extension (such as the pathinfo function), it is easy to modify the extension to deceive me to write a verification class here, determine the file format through the file header. (It is not secure. if the user spoofs the
I wrote a verification class here to determine the file format through the file header. (It is not secure. If the user spoofs the file header, it can also pass verification)
Copy codeThe Code is as follows: /**
* Document Type
*
* @ Author Silver
*/
Class FileTypeValidation
{
// File type, different header information
I write a validation class here that uses the file header to determine the file format. (also not completely safe, if the user forged the file header, can also pass validation)
Copy Code code as follows:
/**
* Type of document to be verified
*
* @author Silver
*/
Class Filetypevalidation
{
File type
Php verifies the file type code based on the file header
/**
* Document type
*
* @ Author Silver
* By bbs.it-home.org
*/
Class FileTypeValidation
{
// File type, different header information
Private static $ _ fileFormats = Array (
'Jp2' => '0000000c6a502020 ','3gp '=> '123 ',
about implementation and introduction in the program notes.
File Submission page: (can be submitted separately to doaction.php, doaction1.php, doaction2.php for testing)
upload.php
File Upload
doaction.php
doaction1.php
doaction2.php
$maxSize) {exit (' upload file too large '); } echo $fileInfo [' type ']; Exit $ext = Strtolow
# Region: determines whether a file exists. If the file does not exist, it is created. Otherwise, the read value is displayed in the form.
PublicFormmain ()
{
Initializecomponent ();
// Readfile (application. startuppath + "// alarmset.txt ");
// Determine whether a file exists
// System. Io. directoryinfo info = new system. Io. directoryinfo (applica
Enter a filename and path to create the file, save the input from the keyboard to the file, and finally output the path to the file, the file name, and the contents of the file to the screen.
#include
ASP.NET-016: save file dialog box in ASP. NETI wanted to use savediallog in asp.net to save the file. The result showed that the displayed mode dialog box or form is invalid when the application is not running in UserInteractive mode.
Use the following method in ASP. NET to save the file. In the following example, an excel fi
PHP file type verification class function based on the file header. I wrote a verification class here to determine the file format through the file header. (It is not secure. if the user spoofs the file header, it can also pass verification.) copy the code as follows. I wrot
File type, C language file read/write, File Buffer, file opening method, file operation functionFile types include stream files and device files. device files such as VGA interfaces, serial ports, USB ports, network ports, and serial ports are abstracted into files by the op
PHPheader sends various types of files and sets the file download name. PHP header sends various types of files and sets the file download name.
Header ('content-type: application/image/pjpeg '); // output type
Header ('content-Disposition: attachment; filename={downloaded.jpg "); // download the name displayed. pay attention to the format.Readfile('my.jpg ');// Set the type of the
PHPheader sends various types of files and sets the file download name lt ;? Phpheader (Content-type: applicationimagepjpeg); output type header (Content-Disposition: attachment=filenamedownloaded.jpg); download the displayed PHP header to send various types of files and set the file download name
Header ('content-type: application/image/pjpeg '); // output typeHeader ('content-Disposition: attachment
PHPheader sends various types of files and sets the file download name lt ;? Phpheader ('content-type: application/image/pjpeg '); // output type header ('content-Disp PHP header sends various types of files and sets the file download name
Header ('content-type: application/image/pjpeg '); // output typeHeader ('content-Disposition: attachment; filename = "downloaded.jpg" '); // download the name disp
PHP header send various types of file download
Reference
Header (' content-type:application/image/pjpeg ');//type of output
Header (' content-disposition:attachment; filename= ' downloaded.jpg '); Download the displayed name, note the format
ReadFile (' my.jpg ');
and send this file with the type output of the message set by the previous header, which will pop up a download box
is to download the my.jpg o
I've written a validation class here that uses the file header to determine the file format. (also not completely secure, if the user forged the file header, can also be verified)
Copy the Code code as follows:
/*** Type of document to be checked** @author Silver*/Class Filetypevalidation{File types, different heade
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