具体描述参考博客:https://blog.csdn.net/heaven_evil/article/details/77853998
QSqlTableModel *model = new QSqlTableModel(this, db);
model->setTable("db_result_spine"); //指定模型要关联的表(employee)
model->setEditStrategy(QSqlTableModel::OnManualSubmit);
//条件(等价于SQL语句的where)
model->setFilter(QObject::tr("create_time=#%1#").arg(create_time));
model->select(); //查询表格数据
model->setHeaderData(1, Qt::Horizontal, tr("学号"));
model->setHeaderData(2, Qt::Horizontal, tr("姓名"));
model->setHeaderData(3, Qt::Horizontal, tr("入学年份"));
ui->tableViewCheck->setAlternatingRowColors(true);//使表格颜色交错功能为真
ui->tableViewCheck->horizontalHeader()->setSectionResizeMode(QHeaderView::Stretch);//表格宽度
ui->tableViewCheck->setModel(model);
//隐藏列
ui->tableViewCheck->hideColumn(0); // don't show the ID
ui->tableViewCheck->hideColumn(4);
ui->tableViewCheck->hideColumn(5);
ui->tableViewCheck->hideColumn(6);
ui->tableViewCheck->show();
排序:(等价于ORDERBY)
model->setSort(0,Qt::AscendingOrder); //id属性,即第0列,升序排列
model->select();
model->setSort(0,Qt::DescendingOrder); //id属性,即第0列,降序排
model->select();