2023年10月31日，周二晚上

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#include <QGridLayout>
#include <QPushButton>
#include <QLabel>
#include <QApplication>
#include <QStyle>

int main(int argc, char *argv[])
{
    QApplication a(argc, argv);

    QWidget widget;
    widget.setWindowTitle("QGridLayout网格布局和Qt内置标签");
    int iconID=0;
    QGridLayout *layout = new QGridLayout;
    for(int i=0;i<10;i++){
        for(int j=0;j<10;j++){
            QPushButton *button=new QPushButton(QString::number(iconID));
            button->setIcon(widget.style()->standardIcon(static_cast<QStyle::StandardPixmap>(iconID)));
            layout->addWidget(button,i,j);
            iconID++;
        }
    }

    widget.setLayout(layout);
    widget.show();
    return a.exec();
}