ThinkPHP package local files into zip files to download _ PHP Tutorial-php Tutorial

ThinkPHP package local files into zip files for download. First, set FileToZip. put the class file in the ThinkPHPExtendLibraryORGUtil folder, FileToZip. class. php is a zip download class. the detailed code is as follows: php *** zip download class file **. first, set FileToZip. put the class file in the ThinkPHP/Extend/Library/ORG/Util/folder, FileToZip. class. php is a zip download class. the detailed code is as follows:

<? Php/*** zip download class file * traversal Directory, packaged into zip format */class traverseDir {public $ currentdir; // Current Directory public $ filename; // file name public $ fileinfo; // used to save all file names and directory names in the current directory and the file size public $ savepath; public function _ construct ($ curpath, $ savepath) {$ this-> currentdir = $ curpath; // returns the current directory $ this-> savepath = $ savepath; // return to the current directory} // traverse the public function scandir ($ filepath) {if (is_dir ($ filepath) {$ arr = scandir ($ filepath ); foreach ($ arr as $ k = >$ V) {$ this-> fileinfo [$ v] [] = $ this-> getfilesize ($ v );}} else {echo "script" alert ('the current directory is not a valid directory'); script ";}} /*** return file size ** @ param string $ filename File Name * @ return file size (KB) */public function getfilesize ($ fname) {return filesize ($ fname) /1024;}/*** compressed file (zip format) */public function tozip ($ items) {$ zip = new ZipArchive (); $ zipname = date ('ymdhis ', time (); if (! File_exists ($ zipname) {$ zip-> open(inclusavepath.20.zipname.'.zip ', ZipArchive: OVERWRITE); // create an empty zip file for ($ I = 0; $ I
 
  
AddFile ($ this-> currentdir. '/'. $ items [$ I], $ items [$ I]);} $ zip-> close (); $ dw = new download(+zipname.'.zip ', $ savepath ); // download the file $ dw-> getfiles (); unlink(~savepath.20.zipname.'.zip '); // after the download is complete, delete the file.}/*** download file **/class download {protected $ _ filename; protected $ _ filepath; protected $ _ filesize; // file size protected $ savepath; // File Size public function _ construct ($ filename, $ savepath) {$ this-> _ filename = $ filename; $ This-> _ filepath = $ savepath. $ filename;} // get the file name public function getfilename () {return $ this-> _ filename;} // get the file path (including the file name) public function getfilepath () {return $ this-> _ filepath;} // Obtain the file size. public function getfilesize () {return $ this-> _ filesize = number_format (filesize ($ this-> _ filepath) // (1024*1024), 2); // remove two digits after the decimal point} // download the object function public function getfiles () {// check whether the object exists if (file_exists ($ this-> _ filepath) {// Open File $ file = fopen ($ this-> _ filepath, "r"); // The Returned file type Header ("Content-type: application/octet-stream "); // return the Header ("Accept-Ranges: bytes") according to the byte size; // return the file size Header ("Accept-Length :". filesize ($ this-> _ filepath); // The pop-up dialog box for the client, the corresponding file name Header ("Content-Disposition: attachment; filename = ". $ this-> _ filename); // Before modification, transmit data to the client echo fread ($ file, filesize ($ this-> _ filepath) at a time )); // after modification, only 1024 bytes of data are transmitted at a time to the client // Send data back $ buffer = 1024; /// determine whether the file has been read while (! Feof ($ file) {// read the file into the Memory $ file_data = fread ($ file, $ buffer ); // 1024 bytes of data echo $ file_data;} fclose ($ file);} else {echo "script" alert ('sorry, the file you want to download does not exist '); script ";}}
 

The code for loading and downloading a zip file in ThinkPHP is as follows:

Import ('org. util. fileToZip '); // introduce the zip download class file FileToZip // package and download $ handler = opendir ($ cur_file); // $ cur_file file directory $ download_file = array (); $ I = 0; while ($ filename = readdir ($ handler ))! = False) {if ($ filename! = '.' & $ Filename! = '.. ') {$ Download_file [$ I ++] = $ filename;} closedir ($ handler); $ scandir = new traverseDir ($ cur_file, $ save_path ); // $ save_path zip package file directory $ scandir-> tozip ($ download_file );

Unzip php/*** zip download class file * times...