文件打包下载

//data目录下file文件夹打包下载；

$zip = new ZipArchive;

$zipfile = "xyz.zip";

$savePath = "data/";

$dirName = "file";

$res = $zip->open($savePath .$zipfile, ZipArchive::CREATE);

if ($res === TRUE) {

//增加文件夹下多文件保持结构：注意文件夹存在

    addFileToZip($savePath, $zip);

    $zip->close();

    header("Cache-Control: public");

    header("Content-Description: File Transfer");

    header('Content-disposition: attachment; filename='.basename($zipfile)); //文件名

    header("Content-Type: application/zip"); //zip格式的

    header("Content-Transfer-Encoding: binary"); //告诉浏览器，这是二进制文件

    header('Content-Length: '. filesize($savePath.$zipfile)); //告诉浏览器，文件大小

    @readfile($savePath.$zipfile);

    removeFile($savePath.$dirName);

    @unlink($savePath.$zipfile);

} else {

    exit("fail zip：ZipArchive failure");

}

function addFileToZip($path, $zip,$savePath = '') {

    $handler = opendir($path);

    while (($filename = readdir($handler)) !== false) {

        if ($filename != "." && $filename != "..") {

            if (is_dir($path . "" . $filename)) {

                self::addFileToZip($path . "" . $filename."/", $zip);

            } else {

                $zip->addFile($path . "" . $filename,$savePath.$filename);

            }

        }

    }

    @closedir($path);

}

function removeFile($path){

    if(is_dir($path)){

        if($handle = opendir($path)){

            while($file = readdir($handle)){

                if(is_dir($path.'/'.$file) && $file != '.' && $file != '..'){

                } else {

                    if($file != '.' && $file != '..'){

                        @unlink($path.'/'.$file);

                    }

                }

            }

            closedir($handle);

        }

    }

}