QSqlDatabase: QMYSQL driver not loaded

发表于 阅读次数： Changyan：

异常信息：

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qt.core.qobject.connect: QObject::connect(QObject, Unknown): invalid nullptr parameter
QSqlDatabase: QMYSQL driver not loaded
QSqlDatabase: available drivers: QSQLITE QPSQL QMIMER QODBC QMARIADB QMYSQL
QSqlDatabase: an instance of QCoreApplication is required for loading driver plugins

因为可获取驱动列表中已包含QMYSQL，所以是程序未找到插件位置：

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QCoreApplication.addLibraryPath('./plugins')

语句中换成实际的路径即可。