Code example of Thinkphp batch downloading pictures and files

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Release: 2023-04-03 15:46:02
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This article brings you code examples about Thinkphp batch downloading of images and files. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.

//批量下载图片 public function download_img_all(){ $dfile = tempnam('./public/upload/qr_code/', 'tmp');//产生一个临时文件,用于缓存下载文件 $zip = new Zipfile(); $filename = 'erweima'.'.zip'; //下载的默认文件名 // $image = M('Device')->field('erweima')->select(); // foreach($image as $v){ // $image_path = './public/upload/qr_code/';方法一 // $zip->add_path($image_path); // // $zip->add_file(file_get_contents($v['erweima']), $v['erweima']); // // 添加打包的图片,第一个参数是图片内容,第二个参数是压缩包里面的显示的名称, 可包含路径 // // 或是想打包整个目录 用 // } $image_path = './public/upload/qr_code/';//方法二 $zip->add_path($image_path); $zip->output($dfile);
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// 下载文件 ob_clean(); header('Pragma: public'); header('Last-Modified:'.gmdate('D, d M Y H:i:s') . 'GMT'); header('Cache-Control:no-store, no-cache, must-revalidate'); header('Cache-Control:pre-check=0, post-check=0, max-age=0'); header('Content-Transfer-Encoding:binary'); header('Content-Encoding:none'); header('Content-type:multipart/form-data'); header('Content-Disposition:attachment; filename="'.$filename.'"'); //设置下载的默认文件名 header('Content-length:'. filesize($dfile)); $fp = fopen($dfile, 'r'); while(connection_status() == 0 && $buf = @fread($fp, 8192)){ echo $buf; } fclose($fp); @unlink($dfile); @flush(); @ob_flush(); exit(); }
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