Ubuntu 提取CHM并转PDF的方法

1. 安装libchm-bin,htmldoc
   Terminal>sudo apt install libchm-bin htmldoc;
2. 提取CHM
   Terminal>extract_chmLib MySQL.chm /tmp/;
3. 转换pdf
   Terminal>htmldoc -t pdf13 –webpage -f MySQL.pdf *.html;
   或
   Terminal>htmldoc -t pdf13 –color –webpage –compression –fontsize 18.0 –browerwidth 825 –right 5mm –left 5mm -f ../MySQL.pdf *.html;