QT?????QSqlQueryModel????????????
???????????? ???????[ 2013/12/10 10:50:31 ] ????????
????????????￡?
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bool HydrologicDataDisplay::updataquerymodel()
{
QSqlQueryModel *Model = new QSqlQueryModel;
QString selectfromtable = "select time??gaugingstation??stage??flow??windspeed??visibility??temperature from hydrologicdata"; Model->setQuery(selectfromtable);
Model->setHeaderData(0??Qt::Horizontal??tr("????"));
Model->setHeaderData(1??Qt::Horizontal??tr("???"));
Model->setHeaderData(2??Qt::Horizontal??tr("?λ(m)"));
Model->setHeaderData(3??Qt::Horizontal??tr("????(m3/s)"));
Model->setHeaderData(4??Qt::Horizontal??tr("????"));
Model->setHeaderData(5??Qt::Horizontal??tr("?????"));
Model->setHeaderData(6??Qt::Horizontal??tr("???(??)"));
tableView->setModel(Model);
return true;
}
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?????????????????????????????QT??QSqlQueryModel??ζ??????????????256????????????????????????????256????????????256???????????????????????е????????????????????н?????????????????????????????μ???????????????????fetchmore()????????е????????′??????￡?
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bool HydrologicDataDisplay::updataquerymodel()
{
QSqlQueryModel *Model = new QSqlQueryModel;
QString selectfromtable = "select time??gaugingstation??stage??flow??windspeed??visibility??temperature from hydrologicdata";
Model->setQuery(selectfromtable);
Model->setHeaderData(0??Qt::Horizontal??tr("????"));
Model->setHeaderData(1??Qt::Horizontal??tr("???"));
Model->setHeaderData(2??Qt::Horizontal??tr("?λ(m)"));
Model->setHeaderData(3??Qt::Horizontal??tr("????(m3/s)"));
Model->setHeaderData(4??Qt::Horizontal??tr("????"));
Model->setHeaderData(5??Qt::Horizontal??tr("?????"));
Model->setHeaderData(6??Qt::Horizontal??tr("???(??)"));
while(Model->canFetchMore())
{
Model->fetchMore();
}
tableView->setModel(Model);
QTableView::resizeRowsToContents();
return true;
}
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