Qt之使用QPrinter导出PDF

一.效果

二.实现

 mainwindow.h

#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include <QMainWindow>
#include <QPrinter>
#include <QPainter>

QT_BEGIN_NAMESPACE
namespace Ui { class MainWindow; }
QT_END_NAMESPACE

class MainWindow : public QMainWindow
{
    Q_OBJECT

public:
    MainWindow(QWidget *parent = nullptr);
    ~MainWindow();

private slots:
    void on_pushButton_clicked();

private:
    QPoint drawImage(QPrinter &printer, QPainter &painter, const QPoint &startPoint);
    QPoint drawTable(QPrinter &printer, QPainter &painter, const QPoint &startPoint);
    QPoi