main函数中的代码如下:
QSqlDatabase db = QSqlDatabase::addDatabase("QSQLITE");
db.setDatabaseName("fyk.db");
bool op = db.open();
qDebug() << db.tables();
QSqlQuery query;
bool success = query.exec("CREATE TABLE student(id INT PRIMARY KEY,name VARCHAR(20)");
if (success)
{
qDebug() << QObject::tr("success");
}
else
{
qDebug() << QObject:: tr("fail");
qDebug() << query.lastError().type();
QMessageBox::critical(0, QObject::tr("Database Error"),
query.lastError().text());
}
运行后提示的错误是table student already exists unable to execute statement,本人刚接触qt,困扰了很久,求大神解答