Qt小知识

    QStringList headText;
    headText << "文件名" << "类型" << "大小" << "总行数" << "代码行数" << "注释行数" << "空白行数" << "路径";
    QList<int> columnWidth;
    columnWidth << 130 << 50 << 70 << 80 << 70 << 70 << 70 << 150;

QPushButton *button = parentWidget->findChild<QPushButton *>("button1");
QList<QPushButton *> allPButtons = parentWidget.findChildren<QPushButton *>();