/**
* [__construct]
* @param [string] $file file's dir
*/
function __construct($file = '', $fopen = false)
{
if ($file === '') {
//
} else {
self::$file = $file;
self::$type = getimagesize(self::$file);
//取得图片的大小，类型等
if ($fopen) {
self::fopen();
} else {
self::$data = file_get_contents($file);
}
}
}