http://blog.csdn.net/songylwq/article/details/8643948
http:/美国高防vps/sjsky.iteye.com/blog/1136934
http://bbs.csdn.net/topics/390398702
http://blog.csdn.net/johnsuna/article/details/8525038
前端生成二维码:
端侧: https://github.com/davidshimjs/qrcodejs/blob/master/README.md