php解压缩种并带实例[linux window平台皆通过

<?php<br /> class zipclass{<br /> private $path;<br /> private $filename;<br /> public $type=true;<br /> //构造函数<br /> public function __construct(){}<br /> //设置压缩或解压目录<br /> public function set_path($path){<br /> if(!file_exists($path) || !is_dir($path)){die("指定的目录[$path]不存在");}<br /> else{$this->path=$path;}<br /> }<br /> //设置压缩文件名或解压文件名<br /> public function set_filename($filename){<br /> if(strtolower(end(explode(".",$filename)))!="zip"){die("文件必须是.zip格式");}<br /> else{$this->filename=$filename;}<br /> }<br /> //获取文件<br /> private function get_files($dir,&$files=array()){<br /> $temp=scandir($dir);<br /> foreach($temp as $value){<br /> if($value !="." && $value!=".."){<br /> $make_path=$dir."/".$value;<br /> if(is_dir($make_path)){$this->get_files($make_path,$files);}<br /> $files[]=$make_path;<br /> }<br /> }<br /> }<br /> //压缩<br /> public function zip(){<br /> if(file_exists($this->filename)){<br /> if($this->type){@unlink($this->filename);}<br /> else{die("文件[{$this->filename}]已经存在了");}<br /> }<br /> $files=array();<br /> $this->get_files($this->path,$files);<br /> $zip=new ziparchive();<br /> $res=$zip->open($this->filename,ziparchive::CREATE);<br /> if($res===true){<br /> if(empty($files)){$zip->addemptydir($this->path);}<br /> else{<br /> foreach($files as $value){<br /> if(is_dir($value)){$zip->addemptydir($value);}<br /> else{$zip->addfile($value,$value);}<br /> }<br /> }<br /> $zip->close();<br /> }<br /> }<br /> //解压<br /> function unzip(){<br /> $zip=new ziparchive();<br /> if($zip->open($this->filename)===true){<br /> $zip->extractto($this->path);<br /> $zip->close();<br /> }<br /> }<br /> }<br /> ?><br /> <?php</p> <p>1.实例化类<br /> $zip=new zipclass();//需要把类导入到当前环境<br /> 2.设置压缩或解压的目录<br /> $zip->set_path(".");//压缩当前目录或解压到当前目录路径设置为"."<br /> 3.设置压缩文件名或解压文件名<br /> $zip->set_filename("zip.zip");//文件必须是.zip格式<br /> 4.压缩或解压<br /> //$zip->zip();//压缩<br /> //$zip->unzip();//解压<br /> 5.其他<br /> 压缩时如果文件已经存在会自动删除后再生成压缩包<br /> $zip->type=false;//此设置在压缩时如果文件已经存在则不会重新生成压缩包</p> <p>?>