JAVA study notes (b)

   10, the time displayed on the page to create a record of more than 14 hours in the database

　　View the  https://www.cnblogs.com/jason1990/archive/2018/11/28/10032181.html   to find a solution is to add in the back after the database link

serverTimezone=GMT%2B8

jdbc:mysql://localhost:3306/table_name?useTimezone=true&serverTimezone=GMT%2B8

   11, pagehelper does not work

https://www.cnblogs.com/zqyw/p/11029116.html

<dependency>
    <groupId>com.github.pagehelper</groupId>
    <artifactId>pagehelper-spring-boot-starter</artifactId>
    <version>1.2.5</version>
</dependency>

 12, IDEA HTML page can not be refreshed in real time 

         修改file->settings->build,excution,deployment->compiler->build project automatally

         In IDEA, the shortcut keys: Ctrl + Shift + Alt + /, election registry

         For details, see: https://www.cnblogs.com/xphhh/p/11355336.html