下载 mysql源安装包 命令行输入 wget https://dev.mysql.com/get/mysql57-community-release-el7-11.noarch.rpm 如果提示 -bash: wget: 未找到命令，我们需要先安装下wget yum -y install wget 然后执行 wget https://dev.mysql.com/get/mysql57-community-release-el7-11.noarch.rpm 安装mysql源 yum -y localinstall …