安装需要的qt5的库
sudo apt-get install libqt5sql5
安装mysql插件
sudo apt-get install libqt5sql5-mysql
遇到问题
QSqlError(2002, "QMYSQL: Unable to connect", "Can't connect to local MySQL server through socket '/tmp/mysql.sock' (2)")
建立如下链接后解决
ln -s /var/run/mysqld/mysqld.sock /tmp/mysql.sock
