使用Yum下载RPM包

yumdownloader 命令

yum install yum-utils

语法：yumdownloader  rpmname  --resolve --destdir=/path  
#resolve   下载依赖包

yum --downloadonly 命令

CentOS/RHEL 6之前的版本需先下载安装 yum-plugin-downloadonly

 yum install yum-plugin-downloadonly

语法： yum install --downloadonly --downloaddir=/path <package-name>