http://blog.csdn.net/lovesomnus/article/details/44459675 //mysql事务四个特性的说明
http://www.cnblogs.com/yldIndex/p/spring_Transactional.html //mysql事务四个特性的说明文字说明
https://www.cnblogs.com/kex1n/p/6017963.html?utm_source=itdadao&utm_medium=referral //ssh 免密登录
http://www.ruanyifeng.com/blog/2012/07/git.html //阮一峰的git分支管理策略
http://blog.csdn.net/webnoties/article/details/17266651 //php上传文件大小配置
https://colorlib.com/polygon/gentelella/index.html //后台样式
https://blog.csdn.net/lgyaxx/article/details/60870819 //windows安装Homestead教程