【环境搭建】postgresql设置远程连接

https://www.runoob.com/postgresql/postgresql-privileges.html

主要看这个：

https://www.jianshu.com/p/0c1e3084724d

https://www.cnblogs.com/Gbeniot/p/11678404.html

https://www.cnblogs.com/telwanggs/p/10494792.html