20180619学习笔记

https://blog.csdn.net/zonghua521/article/details/78200232

https://blog.csdn.net/liuxiaoshuang002/article/details/51955020

https://stackoverflow.com/questions/1905607/cannot-issue-data-manipulation-statements-with-executequery

https://blog.csdn.net/chengzhezhijian/article/details/9628251

https://stackoverflow.com/questions/513832/how-do-i-compare-strings-in-java

https://juejin.im/entry/596343686fb9a06bbd6f888c

https://dev.mysql.com/doc/refman/8.0/en/information-functions.html#function_last-insert-id

https://blog.csdn.net/fdipzone/article/details/50421831