在centos上离线安装python ,opencv 第一步: yum localinstall -y --nogpgcheck libICE-1.0.9-9.el7.x86_64.rpm libSM-1.2.2-2.el7.x86_64.rpm libX11-1.6.7-2.el7.x86_64.rpm libX11-common-1.6.7-2.el7.noarch.rpm libXau-1.0.8-2.1.el7.x86_64.rpm libxcb-1.13-1.el7.x86_64.rpm libXrender-0.9.10-1.el7.x86_64.rpm libXext-1.3