mysql5.7.21版本，Centos7系统适用，RPM安装方式，里面带有安装教程，亲测可用，欢迎下载。mysql-community-client-5.7.21-1.el7.x86_64.rpm、mysql-community-common-5.7.21-1.el7.x86_64.rpm、mysql-community-libs-5.7.21-1.el7.x86_64.rpm、mysql-community-server-5.7.21-1.el7.x86_64.rpm。