php
function resizeImage($srcImage, $per, $name)
{
list($width, $height, $type, $attr) = getimagesize..., $img, 0, 0, 0, 0, $maxwidth, $maxheight, $width, $height);
imagejpeg($canvas, $name, 100);
}
resizeImage...resizeImage($srcImage, $per, $name)
srcImage:原图像的保存路径,
per:缩放倍数
name:新图像名称(+路径)
使用很简单,因为是等比缩放,并且倍数不大