qt5连接sqlite数据库实例

http://www.cnblogs.com/lgh1992314/p/3488342.html

建库

在VS下新建qt console appication 

代码：

#include <iostream>#include <Qtsql/QSqlDatabase>#include <Qtsql/QSqlQuery>#include <QtCore/QCoreApplication>#include <QDebug>#pragma comment(lib, "Qt5Sql.lib")int main(int argc, char *argv[]){QCoreApplication a(argc, argv);QSqlDatabase db = QSqlDatabase::addDatabase("QSQLITE");db.setDatabaseName("user.db");db.open();QSqlQuery query;query.exec("select * from student");while(query.next()){int id = query.value(0).toInt();QString str = query.value(1).toString();qDebug() << id << "|" << str;}db.close();return a.exec();}