24.QTableView

Posted 2020-11-14 lifexy

QTableView view(this);
QStandardItemModel model(this);

/*设置表头水平标题*/
model.setHorizontalHeaderItem(0,new QStandardItem("Name"));
model.setHorizontalHeaderItem(1,new QStandardItem("Sex"));
model.setHorizontalHeaderItem(2,new QStandardItem("Age"));
model.horizontalHeaderItem(0)->setFont(QFont("Helvetica",20,50));   //设置标题字体

/*设置表头垂直标题*/
model.setVerticalHeaderItem(0,new QStandardItem("No.1"));
model.setVerticalHeaderItem(1,new QStandardItem("No.2"));
model.setVerticalHeaderItem(2,new QStandardItem("No.3"));

/*设置列表条目数据*/
QPixmap  pix(":user.png");
pix = pix.scaled(24,24,Qt::KeepAspectRatio);
QStandardItem *itemA=new QStandardItem();
itemA->setData(pix,Qt::DecorationRole);                        //设置条目图标
itemA->setData("A",Qt::DisplayRole);
itemA->setData("A:tooltip",Qt::ToolTipRole);
itemA->setData(QFont("宋体",12,QFont::Bold,true),Qt::FontRole); //设置条目字体
itemA->setData(Qt::AlignCenter,Qt::TextAlignmentRole);         //设置条目中心对齐

   QLinearGradient linearGradient(0,0,100,20);
   linearGradient.setColorAt(0.2, Qt::white);
   linearGradient.setColorAt(0.6, Qt::green);
   linearGradient.setColorAt(1.0, Qt::black);
   itemA->setData(QBrush(linearGradient),Qt::BackgroundRole);    //设置条目背景色(为渐变色)

   model.setItem(0,0,itemA);
   model.setItem(0,1,new QStandardItem("B"));
   model.setItem(1,0,new QStandardItem("C"));  
   model.item(0,1)->setTextAlignment(Qt::AlignCenter);  //设置条目居中对齐


/*将数据模型的第一列进行下降排序(从大到小)*/
model.sort(0,Qt::DescendingOrder);

 

/*设置列宽不可变动*/
view.horizontalHeader()->setResizeMode(QHeaderView::Fixed);

/*设置行宽不可变动*/
view.verticalHeader()->setResizeMode(QHeaderView::Fixed);

 /*设置用户不能选择表格*/

 view.setSelectionMode(QAbstractItemView::NoSelection);

/*设置表格不可编辑*/
view.setEditTriggers(QAbstractItemView::NoEditTriggers);

/*设置表头的显示与隐藏*/
view.horizontalHeader()->setVisible(false);
view.verticalHeader()->setVisible(false);

/*禁止显示网格线*/
view.setShowGrid(false);

/*禁止显示滚动条*/
view.setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);

/*设置行列的高宽*/
view.setColumnWidth(0,50);            //设置column0(第1列)的宽度为50
view.setRowHeight(0,30);               //设置row0(第1行)的高度为30
view.resizeRowsToContents();    //更据当前内容自动调整行距
view.resizeColumnsToContents(); //更据当前内容自动调整列距

 /*禁止焦点(取消QTableView选中后的虚线框)*/ 

 view.setFocusPolicy(Qt::NoFocus);