feat(软件设计): 考试

This commit is contained in:
iridiumR 2022-06-25 12:46:21 +08:00
parent 112ea9535e
commit be4e36e240
6 changed files with 290 additions and 0 deletions

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QT += core gui
greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
CONFIG += c++17
# You can make your code fail to compile if it uses deprecated APIs.
# In order to do so, uncomment the following line.
#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000 # disables all the APIs deprecated before Qt 6.0.0
SOURCES += \
main.cpp \
mainwindow.cpp
HEADERS += \
mainwindow.h
FORMS += \
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

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#include "mainwindow.h"
#include <QApplication>
int main(int argc, char *argv[])
{
QApplication a(argc, argv);
MainWindow w;
w.show();
return a.exec();
}

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#include "mainwindow.h"
#include "ui_mainwindow.h"
#include <QDebug>
#include <cmath>
MainWindow::MainWindow(QWidget *parent)
: QMainWindow(parent), ui(new Ui::MainWindow) {
ui->setupUi(this);
//设置TAB顺序
setTabOrder(ui->equal, ui->x0);
setTabOrder(ui->x0, ui->x1);
setTabOrder(ui->x1, ui->w0);
setTabOrder(ui->w0, ui->w1);
setTabOrder(ui->w1, ui->b);
setTabOrder(ui->b, ui->equal);
}
MainWindow::~MainWindow() { delete ui; }
void MainWindow::on_equal_clicked() {
double num = ui->x0->value() * ui->w0->value() +
ui->x1->value() * ui->w1->value() + ui->b->value();
qDebug() << num;
num = sigmoid(num);
ui->result->setText(QString::number(num, 'f', 16));
ui->list->addItem("f(" + QString::number(ui->x0->value(), 'f', 2) + "," +
QString::number(ui->x1->value(), 'f', 2) +
")=" + QString::number(num, 'f', 2));
}
double MainWindow::sigmoid(double x) { return 1 / (1 + exp(-x)); }
void MainWindow::on_action_triggered() { ui->list->clear(); }

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#ifndef MAINWINDOW_H
#define MAINWINDOW_H
#include <QMainWindow>
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_equal_clicked();
void on_action_triggered();
private:
double sigmoid(double x);
Ui::MainWindow *ui;
};
#endif // MAINWINDOW_H

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<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
<class>MainWindow</class>
<widget class="QMainWindow" name="MainWindow">
<property name="geometry">
<rect>
<x>0</x>
<y>0</y>
<width>561</width>
<height>419</height>
</rect>
</property>
<property name="windowTitle">
<string>神经元计算器</string>
</property>
<widget class="QWidget" name="centralwidget">
<layout class="QGridLayout" name="gridLayout">
<item row="3" column="4">
<widget class="QPushButton" name="equal">
<property name="text">
<string>=</string>
</property>
</widget>
</item>
<item row="1" column="0">
<widget class="QLabel" name="label_x0">
<property name="text">
<string>x0</string>
</property>
</widget>
</item>
<item row="1" column="1">
<widget class="QDoubleSpinBox" name="x0">
<property name="minimum">
<double>-1000.000000000000000</double>
</property>
<property name="maximum">
<double>1000.000000000000000</double>
</property>
<property name="singleStep">
<double>0.500000000000000</double>
</property>
</widget>
</item>
<item row="8" column="0" colspan="6">
<widget class="QLabel" name="label_name">
<property name="text">
<string>***REMOVED*** 电子1班 ***REMOVED***</string>
</property>
</widget>
</item>
<item row="3" column="3">
<widget class="QDoubleSpinBox" name="w1">
<property name="minimum">
<double>-1000.000000000000000</double>
</property>
<property name="maximum">
<double>1000.000000000000000</double>
</property>
<property name="singleStep">
<double>0.500000000000000</double>
</property>
</widget>
</item>
<item row="6" column="1">
<widget class="QLabel" name="label_his">
<property name="text">
<string>历史记录</string>
</property>
</widget>
</item>
<item row="1" column="3">
<widget class="QDoubleSpinBox" name="w0">
<property name="minimum">
<double>-1000.000000000000000</double>
</property>
<property name="maximum">
<double>1000.000000000000000</double>
</property>
<property name="singleStep">
<double>0.500000000000000</double>
</property>
</widget>
</item>
<item row="1" column="5">
<widget class="QLabel" name="label">
<property name="text">
<string>f(x0,x1)</string>
</property>
</widget>
</item>
<item row="3" column="0">
<widget class="QLabel" name="label_x1">
<property name="text">
<string>x1</string>
</property>
</widget>
</item>
<item row="7" column="0" colspan="6">
<widget class="QListWidget" name="list"/>
</item>
<item row="1" column="2">
<widget class="QLabel" name="label_w0">
<property name="text">
<string>w0</string>
</property>
</widget>
</item>
<item row="3" column="2">
<widget class="QLabel" name="label_w1">
<property name="text">
<string>w1</string>
</property>
</widget>
</item>
<item row="3" column="5">
<widget class="QLineEdit" name="result"/>
</item>
<item row="5" column="3">
<widget class="QDoubleSpinBox" name="b">
<property name="minimum">
<double>-1000.000000000000000</double>
</property>
<property name="maximum">
<double>1000.000000000000000</double>
</property>
<property name="singleStep">
<double>0.500000000000000</double>
</property>
</widget>
</item>
<item row="5" column="2">
<widget class="QLabel" name="label_b">
<property name="text">
<string>b</string>
</property>
</widget>
</item>
<item row="3" column="1">
<widget class="QDoubleSpinBox" name="x1">
<property name="minimum">
<double>-1000.000000000000000</double>
</property>
<property name="maximum">
<double>1000.000000000000000</double>
</property>
<property name="singleStep">
<double>0.500000000000000</double>
</property>
</widget>
</item>
</layout>
</widget>
<widget class="QMenuBar" name="menubar">
<property name="geometry">
<rect>
<x>0</x>
<y>0</y>
<width>561</width>
<height>30</height>
</rect>
</property>
<widget class="QMenu" name="menu">
<property name="title">
<string>处理</string>
</property>
<addaction name="action"/>
</widget>
<addaction name="menu"/>
</widget>
<widget class="QStatusBar" name="statusbar"/>
<action name="action">
<property name="text">
<string>清空历史记录</string>
</property>
</action>
</widget>
<tabstops>
<tabstop>x0</tabstop>
<tabstop>x1</tabstop>
<tabstop>w0</tabstop>
<tabstop>w1</tabstop>
<tabstop>b</tabstop>
<tabstop>equal</tabstop>
<tabstop>list</tabstop>
<tabstop>result</tabstop>
</tabstops>
<resources/>
<connections/>
</ui>