QSqlQueryModel不能在mainwindow中使用吗？

Question

error: 'QSqlQueryModel' was not declared in this scope QSqlQueryModel *model = new QSqlQueryModel;

mainwindow.cpp
代码如下：
void MainWindow::on_btn_clicked()
{
......
QSqlQueryModel *model = new QSqlQueryModel;
......
}

Answer 1

你包含它对应头文件没。#include