1、下载相关安装包
CentOS-7 所有rpm包的仓库地址：http://mirror.centos.org/centos/7/os/x86_64/Packages/
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perl-5.16.3-297.el7.x86_64.rpm快速下载地址：
http://mirror.centos.org/centos/7/os/x86_64/Packages/perl-5.16.3-297.el7.x86_64.rpm -
perl-Carp-1.26-244.el7.noarch.rpm快速下载地址：
http://mirror.centos.org/centos/7/os/x86_64/Packages/perl-Carp-1.26-244.el7.noarch.rpm -
perl-constant-1.27-2.el7.noarch.rpm快速下载地址：
http://mirror.centos.org/centos/7/os/x86_64/Packages/perl-constant-1.27-2.el7.noarch.rpm -
perl-Encode-2.51-7.el7.x86_64.rpm快速下载地址：
http://mirror.centos.org/centos/7/os/x86_64/Packages/perl-Encode-2.51-7.el7.x86_64.rpm -
perl-Exporter-5.68-3.el7.noarch.rpm快速下载地址：
http://mirror.centos.org/centos/7/os/x86_64/Packages/perl-Exporter-5.68-3.el7.noarch.rpm -
perl-File-Path-2.09-2.el7.noarch.rpm快速下载地址：
http://mirror.centos.org/centos/7/os/x86_64/Packages/perl-File-Path-2.09-2.el7.noarch.rpm -
perl-File-Temp-0.23.01-3.el7.noarch.rpm快速下载地址：
http://mirror.centos.org/centos/7/os/x86_64/Packages/perl-File-Temp-0.23.01-3.el7.noarch.rpm -
perl-Filter-1.49-3.el7.x86_64.rpm快速下载地址：
http://mirror.centos.org/centos/7/os/x86_64/Packages/perl-Filter-1.49-3.el7.x86_64.rpm -
perl-Getopt-Long-2.40-3.el7.noarch.rpm快速下载地址：
http://mirror.centos.org/centos/7/os/x86_64/Packages/perl-Getopt-Long-2.40-3.el7.noarch.rpm -
perl-HTTP-Tiny-0.033-3.el7.noarch.rpm快速下载地址：
http://mirror.centos.org/centos/7/os/x86_64/Packages/perl-HTTP-Tiny-0.033-3.el7.noarch.rpm -
perl-libs-5.16.3-297.el7.x86_64.rpm快速下载地址：
http://mirror.centos.org/centos/7/os/x86_64/Packages/perl-libs-5.16.3-297.el7.x86_64.rpm -
perl-macros-5.16.3-297.el7.x86_64.rpm快速下载地址：
http://mirror.centos.org/centos/7/os/x86_64/Packages/perl-macros-5.16.3-297.el7.x86_64.rpm -
perl-parent-0.225-244.el7.noarch.rpm快速下载地址：
http://mirror.centos.org/centos/7/os/x86_64/Packages/perl-parent-0.225-244.el7.noarch.rpm -
perl-PathTools-3.40-5.el7.x86_64.rpm快速下载地址：
http://mirror.centos.org/centos/7/os/x86_64/Packages/perl-PathTools-3.40-5.el7.x86_64.rpm -
perl-Pod-Escapes-1.04-297.el7.noarch.rpm快速下载地址：
http://mirror.centos.org/centos/7/os/x86_64/Packages/perl-Pod-Escapes-1.04-297.el7.noarch.rpm -
perl-Pod-Perldoc-3.20-4.el7.noarch.rpm快速下载地址：
http://mirror.centos.org/centos/7/os/x86_64/Packages/perl-Pod-Perldoc-3.20-4.el7.noarch.rpm -
perl-Pod-Simple-3.28-4.el7.noarch.rpm快速下载地址：
http://mirror.centos.org/centos/7/os/x86_64/Packages/perl-Pod-Simple-3.28-4.el7.noarch.rpm -
perl-Pod-Usage-1.63-3.el7.noarch.rpm快速下载地址：
http://mirror.centos.org/centos/7/os/x86_64/Packages/perl-Pod-Usage-1.63-3.el7.noarch.rpm -
perl-podlators-2.5.1-3.el7.noarch.rpm快速下载地址：
http://mirror.centos.org/centos/7/os/x86_64/Packages/perl-podlators-2.5.1-3.el7.noarch.rpm -
perl-Scalar-List-Utils-1.27-248.el7.x86_64.rpm快速下载地址：
http://mirror.centos.org/centos/7/os/x86_64/Packages/perl-Scalar-List-Utils-1.27-248.el7.x86_64.rpm -
perl-Socket-2.010-5.el7.x86_64.rpm快速下载地址：
http://mirror.centos.org/centos/7/os/x86_64/Packages/perl-Socket-2.010-5.el7.x86_64.rpm -
perl-Storable-2.45-3.el7.x86_64.rpm快速下载地址：
http://mirror.centos.org/centos/7/os/x86_64/Packages/perl-Storable-