解決方案：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是由於Qt不知道plugins的所在目錄。sql 解決方法：數據庫 在用到數據庫以前添加代碼QCoreApplication::addLibraryPath("./plugins");ui 其中
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相關文章
- 1. 解決方式：QSqlDatabase: an instance of QCoreApplication is required for loading driver plugins
- 2. Qt開發，QSqlDatabase: an instance of QCoreApplication is required......問題處理
- 3. object is not an instance of declaring class
- 4. QSqlDatabase: QMYSQL driver not loaded的解決方法
- 5. 【IllegalArgumentException】: object is not an instance of declaring class
- 6. java.lang.IllegalArgumentException: object is not an instance of declaring class
- 7. python Visual C++ 9.0 is required解決方案
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