错误: mysql-community-server-5.7.44-1.el7.x86_64.rpm 的公钥尚未安装 失败的软件包是:mysql-community-server-5.7.44-1.el7.x86_64 GPG 密钥配置为:file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql 解决: rpm --import https://repo.mysql.com/RPM-GPG-KEY-mysql-2022 再次运行上一个安装命令