Ubuntu18.04下QSqlDatabase: QMYSQL driver not loaded

报错信息

19:50:42.751: QSqlDatabase: QMYSQL driver not loaded
19:50:42.751: QSqlDatabase: available drivers: QSQLITE QMYSQL QMYSQL3 QPSQL QPSQL7
19:50:42.751: open fail
 "Driver not loaded" 

19:50:42.752: HTTP server listen: true
19:50:42.752: HTTP server2 listen: true
19:50:42.752: HTTP server3 listen: true
19:50:42.752: QSqlDatabase: QMYSQL driver not loaded
19:50:42.752: QSqlDatabase: available drivers: QSQLITE QMYSQL QMYSQL3 QPSQL QPSQL7
19:50:42.752: open fail
 "Driver not loaded" 

19:50:42.752: All Down

报错截图

解决方法

发现，Qt缺少一个动态链接库，从官网下载一个libmysqlclient.so.18：

https://launchpad.net/ubuntu/xenial/amd64/libmysqlclient18/5.6.25-0ubuntu1

下载完成之后，cd到文件目录，进行安装

sudo dpkg -i libmysqlclient18_5.6.25-0ubuntu1_amd64.deb

再次编译运行项目，成功加载mysql引擎，没有出现相关报错。