Compressor 图片压缩类

$compressor = new \zxf\Tools\Compressor();
OR
$compressor = \zxf\Tools\Compressor::instance();

// 默认压缩 70%
$result = $compressor->set('001.jpg')->get();
// 指定压缩值80%
$result = $compressor->set('001.jpg')->compress(80)->get();

// 指定图片宽高
$result = $compressor->set('001.jpg')->resize(500, 400)->get();
// 或者按照图片等比例缩放：图片尺寸修改为原图的60%
$result = $compressor->set('001.jpg')->proportion(0.6)->get();

$result = $compressor->set('001.jpg', '/your/save/path/to.jpg')->get();

$result = $compressor->set('001.jpg', null)->get();
// OR
$result = $compressor->set('001.jpg')->get();

$result = $compressor->set('001.jpg')->get(funciont($res){
    // 打印图片信息
});