jQuery火箭图标返回顶部代码

测试代码:

Animals.h:

#pragma once
#include<string>
class Animals
{
protected:
    std::string Food;
    int Weight;
    int Intake;
    double Velocity;
public:
    Animals(const std::string &fd="none",int w=0,int n=0,double v=0.0);
    virtual void Speaking();
    void Swimming();
    void show(int)const;
    virtual ~Animals();
};

class Fish :Animals
{
private:
    std::string Colour;
public:
    Fish(const std::string &cr = "none", const std::string &fd = "none", int w = 0, int n = 0, double v = 0.0);
    Fish(const std::string &cr, Animals &tp);
    void Appear()const;
    void show()const;
    void Speaking();

};

Animals.cpp:

#include "stdafx.h"
#include "Animals.h"
#include<iostream>

Animals::Animals(const std::string  &fd, int w, int n,double v):Food(fd),Weight(w),Intake(n), Velocity(v)
{}

void Animals::Speaking()
{
    std::cout << "......" << std::endl;
}

void Animals::Swimming()
{
    std::cout <<"++++++"<< Velocity << "m/s" <<"++++++"<< std::endl;
}

void Animals::show(int p) const
{
    std::cout << "I want eatting ";
    for (int i = 0; i < p; i++)
        std::cout << Food<<"! ";
    std::cout << std::endl;
}

Animals::~Animals()
{
}


Fish::Fish(const std::string & cr, const std::string & fd, int w, int n, double v) :Animals(fd,w,n,v)
{
    Colour = cr;
}

Fish::Fish(const std::string & cr, Animals & tp):Animals(tp),Colour(cr)
{}

void Fish::Speaking()
{
    std::cout << "Booo Booo!" << std::endl;
}

void Fish::Appear() const
{
    std::cout << Colour << std::endl;
}

void Fish::show() const
{
    std::cout << "Food: " << Food << std::endl;
    std::cout << "Weight: " << Weight << std::endl;
    std::cout << "Intake: " << Intake << std::endl;
    std::cout << "Velocity: " << Velocity <<" m/s"<< std::endl;
    std::cout << "Colour: " << Colour << std::endl;
}

ConsoleApplication.cpp:

#include "stdafx.h"
#include "Animals.h"
#include<iostream>
using namespace std;
int main()
{
    Animals p0("shrimp", 20, 10, 1.0);
    Fish b0("Red and White", "Coral", 10, 5, 0.5);
    p0.show(3);
    p0.Speaking();
    p0.Swimming();
    cout << endl ;
    b0.show();
    cout << "Now I must speaking: ";
    b0.Speaking();
    cout << endl ;
    Fish b1("Blue", p0);
    b1.show();
    cout << "Now I must speaking: ";
    b1.Speaking();
    return 0;
}

运行结果: