解決方式：QSqlDatabase: an instance of QCoreApplication is required for loading driver plugins

在用QSqlDatabase時遇到報錯QSqlDatabase: an instance of QCoreApplication is required for loading driver plugins是因爲Qt不知道plugins的所在文件夾。sql 解決方法：數據庫 在用到數據庫以前加入代碼QCoreApplication::addLibraryPath("./plugins");post

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