php 缩略图实现函数代码
array getimagesize ( string $filename [, array //$percent = 0.2; header('Content-type: image/jpeg'); list($width, $height) = getimagesize($imgfile);
array getimagesize ( string $filename [, array //$percent = 0.2; header('Content-type: image/jpeg'); list($width, $height) = getimagesize($imgfile);