23 | Horizontal layout and vertical layout and grid layout

1 Prerequisite

Qt 5.14.2

2 Practical operation

2.1 Horizontal layout

#pragma execution_character_set("utf-8")
#include "widget.h"
#include <QHBoxLayout>
#include <QLabel>
#include <QLineEdit>
#include <QPushButton>
#include <QDebug>
#include <QVBoxLayout>
#include <QCheckBox>
#include <QGridLayout>

Widget::Widget(QWidget *parent)
    : QWidget