wget https://bitbucket.org/ariya/phantomjs/downloads/phantomjs-2.1.1-linux-x86_64.tar.bz2
yum install bzip2
tar -jxvf phantomjs-2.1.1-linux-x86_64.tar.bz2
mv phantomjs-2.1.1-linux-x86_64 /usr/local/src/phantomjs
ln -sf /usr/local/src/phantomjs/bin/phantomjs /usr/local/bin/phantomjs
yum install -y fontconfig freetype2
yum install -y bitmap-fonts bitmap-fonts-cjk
yum groupinstall "fonts" -y
fc-cache
phantomjs -v

centos 7安装phantomjs