用在服务器上提供下载的php代码，可以指定被下载的文件名，可以动态指定文件内容// local file that should be send to the client$local_file = 'test.zip';// filename that the user gets as default$download_file = 'your-download-name.zip';if(file_exists($local_file) && is_file($local_file)) {// send headersheader('Cache-control: private');header('Content-Type: application/octet-stream');header('Content-Length: '.filesize($local_file));header('Content-Disposition: filename='.$download_file);// flush contentflush();/*** You can also remove the following part and** replace it trough a database command fetching** the download data*/// open file stream$file = fopen($local_file, "rb");// send the file to the browserprint fread ($file, filesize($local_file));// close file streamfclose($file);}else {die('Error: The file '.$local_file.' does not exist!');}复制代码php
php处理文件下载的代码
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