Php sample code for file download and support for Chinese file names

Php sample code for file download and support for Chinese file names

/*---------------- * $ FileName is the file name, required * $ FilePath is the file path. optional. it can be a relative or absolute path. * @ Path can only consist of English letters and data, and cannot contain Chinese characters * @ Edit finishing: bbs.it-home.org ------------------*/ Header ("Content-type: text/html; charset = utf-8 "); If (strlen ($ FileName) <= 3) {echo "Download failed: your downloaded file information is incorrect"; return ;} $ FileName = iconv ("UTF-8", "gb2312", $ FileName); // convert the file name format to prevent Chinese garbled characters // Start to determine the path If (! Is_null ($ FilePath) & strlen ($ FilePath)> 1 ){ If (substr ($ FilePath,) = '/') {// Determine whether the path is an absolute path $ FilePath = $ _ SERVER ['document _ root']. $ FilePath; } If (substr ($ FilePath,-1 )! = "/") {// Check whether the end is/ $ FilePath = $ FilePath .'/'; } If (is_numeric (strpos ($ FilePath, ": \") {// check whether the path is absolute $ FilePath = str_replace ("/", "\", $ FilePath ); } } Elseif (strlen ($ FilePath) = 1 & $ FilePath! = "/"){ $ FilePath = $ FilePath ."/"; } Else { $ FilePath = ""; } If (! File_exists ($ FilePath. $ FileName )){ Echo "Download failed: the file to be downloaded is not found"; return; } /*------------- Send download-related header information ------------- = */ Header ("Content-type: application/octet-stream "); Header ("Accept-Ranges: bytes"); // returns the value in bytes. Header ("Accept-Length: $ FileSize"); // returns the file size. Header ("Content-Disposition: attachment; filename =". $ FileName); // The pop-up dialog box on the client, with the corresponding file name /*------------- Start download ------------- = */ $ FileSize = filesize ($ FilePath. $ FileName ); $ File = fopen ($ FilePath. $ FileName, "r"); // open the File $ FileBuff = 512; While ($ FileSize> = 0 ){ $ FileSize-= $ FileBuff; Echo fread ($ File, $ FileBuff ); } Fclose ($ File ); } ?>