C#作业qt做的随机图片显示t

图片头文件

图片类，随机出现的图片

#ifndef GUESSPICTURE_H

#define GUESSPICTURE_H

#include<QString.h>

using namespace std;

class GuessPicture

{

private:

int count;//出现的次数

QString path;//图片的路径

public:

GuessPicture(int count,QString path);

void autoAdd();//出现次数自增

void setCount(int count);

void setPath(QString path);

int getCount();

QString getPath();

};

#endif // GUESSPICTURE_H

图片类实现文件

#include<QString.h>

#include"GuessPicture.h"

using namespace std;

GuessPicture::GuessPicture(int count, QString path)

{

this->count = count;

this->path = path;

}

void GuessPicture::autoAdd()

{

++count;

}

void GuessPicture::setCount(int count)

{

this->count = count;

}

void GuessPicture::setPath(QString path)

{

this->path = path;

}

int GuessPicture::getCount()

{

return count;

}

QString GuessPicture::getPath()

{

return path;

}

#ifndef MAINWINDOW_H

#define MAINWINDOW_H

#include <QMainWindow>

namespace Ui {

class MainWindow;

}

class MainWindow : public QMainWindow

{

Q_OBJECT

public:

explicit MainWindow(QWidget *parent = 0);

~MainWindow();

private slots:

void on_nextbtn_clicked();

private:

Ui::MainWindow *ui;

};

#endif // MAINWINDOW_H

主布局实现文件

#include "mainwindow.h"

#include "ui_mainwindow.h"

#include <QFile>

#include<QtGui>

#include"GuessPicture.h"

#include<math.h>

#include<QtDebug>

#include<ctime>

#include <QTextCodec>

GuessPicture *guess[5];

MainWindow::MainWindow(QWidget *parent) :

QMainWindow(parent),

ui(new Ui::MainWindow)

{

ui->setupUi(this);

QTextCodec::setCodecForTr(QTextCodec::codecForName("utf-8"));

guess[0] = new GuessPicture(0,":/image/brightlight.png");

guess[1] = new GuessPicture(0,":/image/button1.png");

guess[2] = new GuessPicture(0,":/image/button3.png");

guess[3] = new GuessPicture(0,":/image/light.png");

guess[4] = new GuessPicture(0,":/image/light2.png");

}

MainWindow::~MainWindow()

{

delete ui;

}

void MainWindow::on_nextbtn_clicked()

{

int ran = rand()%time(NULL)%5;

QString countshow = QString::number(guess[ran]->getCount(),10);

QPixmap p;

guess[ran]->autoAdd();

p.load(guess[ran]->getPath());

ui->pic->setPixmap(p);

ui->shownum->setText(QObject::tr("显示的次数：")+QObject::tr(countshow.toStdString().c_str()));

}

#include <QApplication>

#include "mainwindow.h"

int main(int argc, char *argv[])

{

QApplication a(argc, argv);

MainWindow w;

w.show();

return a.exec();

}