//下载
wget https://github.com/wkhtmltopdf/wkhtmltopdf/releases/download/0.12.4/wkhtmltox-0.12.4_linux-generic-amd64.tar.xz

tar xvfJ wkhtmltox-0.12.3_linux-generic-amd64.tar.xz

cd wkhtmltox/bin
sudo

 mv ./wkhtmltopdf /usr/bin/wkhtmltopdf

sudo chmod +x /usr/bin/wkhtmltopdf

//测试 
wkhtmltopdf http://www.baidu.com ./test.pdf

//下载扩展
wkhtmltopdf http://www.baidu.com ./test.pdf

//支持中文

将windows/fonts/sisun.ttc 文件上传至服务器 /usr/share/fonts 目录下