Shulou(Shulou.com)06/02 Report--

This article introduces the knowledge of "how to use SQLite in QT5". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

SQLite (sql) is an open source lightweight database software that does not need server and can be integrated in other software. It is very suitable for embedded systems.

SQLite can be used directly in Qt5 and above.

1. Modify the .pro file and add the SQL module:

QT + = sql

2. The main.cpp code is as follows:

# include "mainwindow.h" # include / / add header file # include # include int main (int argc, char * argv []) {QApplication a (argc, argv); / / create and open database QSqlDatabase database; database = QSqlDatabase::addDatabase ("QSQLITE"); database.setDatabaseName ("MyDataBase.db"); if (! database.open ()) {qDebug ()

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