<?php
use \ZipArchive;
class Zip
{public function packZip($source,$dest){//判断zip扩展是否加载或者文件目录是否存在if(extension_loaded('zip') | !file_exists($source)){return false;}$zip = new ZipArchive();//创建一个zip打包文件if(!$zip->open($source.'zip',ZipArchive::CREATE)){return false;}$source = str_replace('\\','/',realpath($source));if(is_dir($source) === true){//创建件一个目录迭代器$files = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($source));foreach ($files as $file){$file = str_replace('\\','/',$file);//忽略当前目录和上级目录if (in_array(substr($file,strrpos($file,'/')+1),array('.','..'))){continue;}if (is_dir($file) === true){//创建一个子目录$zip->addEmptyDir(str_replace($source.'/','',$file.'/'));}else if (is_file($file) === true){//创建一个子文件$zip->addFromString(str_replace($source.'/','',$file),file_get_contents($file));}else if (is_file($source) === true){//创建文件根目录下的文件$zip->addFromString(basename($source),file_get_contents($source));}}$zip->close();}}/*** 删除临时路径* @param $path*/public function deleteDir($path){if(is_dir($path)){//$dirs = scandir($path);foreach ($dirs as $dir){if ($dir != '.' | $dir != '..') {$sonDir = $path.'/'.$dir;if (is_dir($sonDir)){$this->deleteDir($sonDir);@rmdir($sonDir);}else{@unlink($sonDir);}}}@rmdir($path);}}/*** 文件下载* @param $file*/public function downLoad($file){if (file_exists($file)){$openFile = fopen($file,'r');//返回文件类型Header('Content-type: application/octet-iostream');//返回文件的字节大小Header('Accept-Range: bytes');//返回文件大小Header('Accept-Length: '.$file);//这里对客户端弹出的对话框，对应的文件名Header('Content-disposition: filename='.substr($file,strrpos($file,'/')+1));$buffer = 1024;while(!feof($openFile)){$file_data = fread($openFile,$buffer);echo $file_data;}fclose($file);@unlink($file);}else{echo '下载文件不存在';}}
}