QT：理想单薄透镜的参数计算

给定理想单薄透镜的像距和物距，计算出该透镜的像距、轴向放大率、横向放大率和角放大率

直接上代码

.pro

#-------------------------------------------------
#
# Project created by QtCreator 2021-12-10T13:24:32
#
#-------------------------------------------------QT       += core guigreaterThan(QT_MAJOR_VERSION, 4): QT += widgetsTARGET = yld
TEMPLATE = app# The following define makes your compiler emit warnings if you use
# any feature of Qt which has been marked as deprecated (the exact warnings
# depend on your compiler). Please consult the documentation of the
# deprecated API in order to know how to port your code away from it.
DEFINES += QT_DEPRECATED_WARNINGS# You can also make your code fail to compile if you use deprecated APIs.
# In order to do so, uncomment the following line.
# You can also select to disable deprecated APIs only up to a certain version of Qt.
#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0CONFIG += c++11SOURCES += \main.cpp \mainwindow.cppHEADERS += \mainwindow.hFORMS += \mainwindow.ui# Default rules for deployment.
qnx: target.path = /tmp/$${TARGET}/bin
else: unix:!android: target.path = /opt/$${TARGET}/bin
!isEmpty(target.path): INSTALLS += target

.h

#ifndef MAINWINDOW_H
#define MAINWINDOW_H
#include "logwidget.h"
#include #include 
QT_BEGIN_NAMESPACE
namespace Ui { class MainWindow; }
QT_END_NAMESPACEclass MainWindow : public QMainWindow
{Q_OBJECTpublic:MainWindow(QWidget *parent = nullptr);~MainWindow();private slots:void on_pushButton_clicked();void on_pushButton_2_clicked();void on_pushButton_3_clicked();private:Ui::MainWindow *ui;LogWidget * m_log;};
#endif // MAINWINDOW_H

.cpp

#include "mainwindow.h"
#include "ui_mainwindow.h"
#include MainWindow::MainWindow(QWidget *parent): QMainWindow(parent), ui(new Ui::MainWindow)
{ui->setupUi(this);ui->label_9->setScaledContents(true);QMovie *iconShow = new QMovie("E:/11.gif");ui->label_9->setMovie(iconShow);iconShow->start();
}MainWindow::~MainWindow()
{delete ui;
}void MainWindow::on_pushButton_clicked()
{double jiaoju =ui->lineEdit->text().toDouble();double wuju =ui->lineEdit_2->text().toDouble();double xiangju;xiangju=jiaoju *wuju/(jiaoju+wuju);ui->lineEdit_3->setText(QString::number(xiangju));double chuizhoufangdalv;chuizhoufangdalv=jiaoju/wuju;ui->lineEdit_4->setText(QString::number(chuizhoufangdalv));double zhouxiangfangdalv;zhouxiangfangdalv=chuizhoufangdalv*chuizhoufangdalv;ui->lineEdit_5->setText(QString::number(zhouxiangfangdalv));double jiaofanglv;jiaofanglv=1/chuizhoufangdalv;ui->lineEdit_6->setText(QString::number(jiaofanglv));
}void MainWindow::on_pushButton_2_clicked()
{ui->lineEdit->clear();ui->lineEdit_2->clear();ui->lineEdit_3->clear();ui->lineEdit_4->clear();ui->lineEdit_5->clear();ui->lineEdit_6->clear();
}void MainWindow::on_pushButton_3_clicked()
{QMainWindow::close();}

结果展示

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