qt5连接sqlite数据库实例

#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();
}