上传压缩包并解压

<?php $dir=getcwd(); //上传到的文件路径 $path=$dir.'/ups/'.$periodsDate;  if (!file_exists($path)){            mkdir ($path,0777,true);   } $tmpname=$_FILES['file']['tmp_name']; $filename=$_FILES['file']['name']; //获取当前目录的绝对路径 $filepath=$path.'/'.$filename;   if(move_uploaded_file($tmpname,$filepath)){  $obj=new com('wscript.shell'); //双引号可以解析变量 $obj->run("winrar x $filepath $path",1,true); //删除源文件 @unlink($filepath); $result['status'] = 1; $result['message'] = "文件上传成功";}else{$result['status'] = 0;    $result['message'] = "文件上传失败";}