Download any format file

Support for file download in any format The function has two parameters, the first parameter is the file completes the path in the server, the second parameter is the download display file name. /** * Download File * filename does not include suffix name */ Public function Download ($_path, $filename = ") { if (file_exists ($_path)) { $fullPath = CHtml::d ecode ($_path); $filename = $filename? $filename: substr (STRRCHR ($fullPath, '/'), 1); Parse Info/get Extension $fsize = FileSize ($fullPath); $path _parts = PathInfo ($fullPath); $ext = Strtolower ($path _parts["extension"]); $filename. = '. '. $ext; Determine Content Type Switch ($ext) { Case ' apk ': $ctype = ' application/vnd.android.package-archive '; Break Case ' CHM ': $ctype = ' Application/octet-stream '; Break Case "PDF": $ctype = "Application/pdf"; Break Case "TXT": $ctype = "Application/txt"; Break Case "Zip": $ctype = "Application/zip"; Break Case "Doc": $ctype = "Application/msword"; Break Case "XLS": $ctype = "application/vnd.ms-excel"; Break Case "ppt": $ctype = "Application/vnd.ms-powerpoint"; Break Case "GIF": $ctype = "Image/gif"; Break Case "PNG": $ctype = "Image/png"; Break Case "JPEG": Case "JPG": $ctype = "Image/jpg"; Break Default $ctype = "Application/force-download"; } $ua = $_server["Http_user_agent"]; $encoded _filename = Rawurlencode ($filename); $encoded _filename = str_replace ("+", "%20", $encoded _filename); Header ("Pragma:public"); Required Header ("expires:0"); Header ("Cache-control:must-revalidate, Post-check=0, pre-check=0"); Header ("Cache-control:private", false); Required for certain browsers Header ("Content-type: $ctype"); Header (' content-disposition:attachment; Filename= '. Rawurlencode ($filename). '); if (Preg_match ("/msie/", $ua)) { Header (' content-disposition:attachment; filename= '. $encoded _filename. '"'); } else if (Preg_match ("/firefox/", $ua)) { Header ("content-disposition:attachment; Filename*=utf8 ' ". $filename. '"'); } else { Header (' content-disposition:attachment; Filename= '. $filename. '"'); } Header ("Content-transfer-encoding:binary"); Header ("Content-length:".) $fsize); Ob_clean (); Flush (); ReadFile ($fullPath); } else { throw new Exception (' file does not exist! ', 1); } } Copy Code

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