qt界面操作 

    //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();

 

posted @ 2017-04-16 23:02  随风666  阅读(259)  评论(0)    收藏  举报