//控制死窗体
int width = this->geometry().width();
int height = this->geometry().height();
this->setFixedSize(width,height);
//定时器的使用
QTimer *serialReadTimer = new QTimer;
connect(serialReadTimer,SIGNAL(timeout()),this,SLOT(readSerial()));
serialReadTimer->start(100);
// set display color size
QBrush myBrush;
QPalette myPalette;
myBrush = QBrush(Qt::red,Qt::DiagCrossPattern);
myPalette.setBrush(QPalette::Text,myBrush);
ui->showDatabase->setPalette(myPalette);
ui->showDatabase->setFont(QFont("Timers",16));
1
2 //qSqlTableModel tableView的使用
3 model = new QSqlTableModel(this,db);
4 model->setTable("node");
5 //手动提交
6 model->setEditStrategy(QSqlTableModel::OnManualSubmit);
7 //修改tableView的列名
8 model->setHeaderData(4,Qt::Orientation::Horizontal,"state");
9 model->select();
10 ui->showDatabase->setModel(model);
11 //根据内容自适应
12 ui->showDatabase->resizeColumnsToContents();
13 //hide header id
14 QHeaderView *headerView = ui->showDatabase->verticalHeader();
15 headerView->setHidden(true);
16 17 //关闭数据库
18 db.close();
