信道编码，解码，jpg格式图像的编译码，简单的文本的编译码，采用golary码-Channel encoding, decoding, jpg format image encoding and decoding, encoding and decoding of simple text, with golary code

php上传实例，支持上传jpg 和 gif等图片格式，可以自定义图片的上传类型和上传大小-php upload instance, supports uploading jpg and gif image formats, you can customize the type and upload picture upload size