php下传文件类

<?phpheader ("Content-Type:text/html; charset=utf-8;");echo "uploadclass<br/>";echo "<br>".$_FILES['file']["name"]."<br>";$nabc = new uploadclass($_FILES['file']); echo "<br>".$nabc->getname()."<br>";//获取新的名字class uploadclass {	var $location ;//设置存放文件的目录	var $max_size;//上传文件的大小	var $event; //初始值是success	var $filename;//获取保存在文件夹里的文件的文件名字	function uploadclass($file) {		$location = "./temp/";//设置存放文件的目录		$max_size = 1000000;//上传文件的大小		$event="success"; //初始值是success		//判断目录是否存在		if(! is_dir($location))		 { 			  mkdir($location);			  @chmod($location,777);		 }		 		$oldFilename = $file["name"];		$filename = explode(".",$oldFilename);		$filenameext = $filename[count($filename) - 1];		$newFilename = "_".time()."_".rand(10000, 20000).".".$filenameext;		$this->filename = $newFilename;				echo "<br>".$this->$filename."<br>";		if(!$file['name']=="")		{ 			if($file['size']filename;	  }}?>