Qt表格 QTableWidget

    QTableWidget table=new QTableWidget(1, 2);//新建表格    table->verticalHeader()->setHidden(true);//去掉行号    QStringList tableNameList;    tableNameList<<"列名1"<<"列名2"<<"列名3";    for (int i = 0; i < tableNameList.size(); ++i){        table->setHorizontalHeaderItem(i,new QTableWidgetItem(tableNameList.at(i)));//设置字段名称    }    //清空表table=static_cast<QTableWidget*>(tab->widget(0));//强制转换static_cast<T*>(a)或dynamic_cast<T*>(a)table->clearContents();    table->setItem(0,0,new QTableWidgetItem("表格内容"));//设置表格内容