CentOS安装rpm-Uhhhttps://mirrors.aliyun.com/postgresql/repos/yum/reporpms/EL-7-x86_64/pgdg-redhat-repo-latest.noarch.rpmsed-i"s@https://download.postgresql.org/pub@https://mirrors.aliyun.com/postgresql@g"/etc/yum.repos.d/pgdg-redhat-all.rep