实验2 创建多文件的C++程序---参考答案

//-------------------实验2-1------------------------------------------------------------------------------------

//-------------Circle.h ----------------------------------------------------------------
void InputRadius();
void InputHeight();
void GetCircleArea();
void GetCylinderVolumn();
//-------------Circle.cpp ----------------------------------------------------------------
#include<iostream>
using namespace std;
float fRadius;
static float fHeight;
const float PI=3.14f;
void InputRadius()
{
 cout<<"please input radius:"<<endl;
 cin>>fRadius;
}
void InputHeight()
{
 cout<<"please input Height:"<<endl;
 cin>>fHeight;
}
void GetCircleArea()
{
 cout<<"圆的面积为："<<PI*fRadius*fRadius<<endl;
}
void GetCylinderVolumn()
{
 cout<<"圆的面积为："<<PI*fRadius*fRadius*fHeight<<endl;
}

//---------Rect.h-------------------------------------------------
void InputRectWH(float &fRectW,float &fRectH);
float InputRectZ();
static float GetRectArea(float fRectW,float fRectH);
float GetRectVolumn(float fRectW,float fRectH,float RectZ);
//---------Rect.CPP-------------------------------------------------
#include<iostream>
using namespace std;

void InputRectWH(float &fRectW,float &fRectH)
{
 cout<<"请输入矩形的宽和长："<<endl;
 cin>>fRectW>>fRectH;
}

float InputRectZ()
{
 float z;
 cout<<"请输入长方体的高度："<<endl;
 cin>>z;
 return z;
}
static float GetRectArea(float fRectW,float fRectH)
{
 return fRectW*fRectH;
}
float GetRectVolumn(float fRectW,float fRectH,float fRectZ)
{
 return fRectW*fRectH*fRectZ;
}
//-----------ex.cpp----------------------------------------
#include<iostream>
#include"Circle.h"
#include"Rect.h"
using namespace std;

extern float fRadius;
//extern float fHeight;

void DisplayRadius();
void DisplayHeight();

void main()
{
 InputRadius();
 InputHeight();
 GetCircleArea();
 GetCylinderVolumn();
 DisplayRadius();
 //DisplayHeight();

 float fRectW,fRectH;
 InputRectWH(fRectW,fRectH);
 //cout<<"矩形的面积为："<<GetRectArea(fRectW,fRectH)<<endl;
 float fRectZ;
 fRectZ=InputRectZ();
 cout<<"长方体的体积为："<<GetRectVolumn(fRectW,fRectH,fRectZ)<<endl;
}

void DisplayRadius()
{
 cout<<"当前圆的半径为："<<fRadius<<endl;
}
void DisplayHeight()
{
 //cout<<""<<fHeight<<endl;
}

//------------实验2-2--------------------------------------------------------------------------------------------------
#ifndef POINT
#define POINT
struct Point
{
 float x,y;
};
#endif

//------------实验2-3--------------------------------------------------------------------------------------------------
//---Circle.h------
namespace circle
{
void InputRadius();
void InputHeight();
void GetCircleArea();
void GetCylinderVolumn();
#ifndef POINT
#define POINT
struct Point
{
 float x,y;
};
#endif
}
//---Circle.cpp------------------
#include<iostream>
#include"Circle.h"
using namespace std;
float fRadius;
static float fHeight;
const float PI=3.14f;

void circle::InputRadius()
{
 cout<<"please input radius:"<<endl;
 cin>>fRadius;
}
void circle::InputHeight()
{
 cout<<"please input Height:"<<endl;
 cin>>fHeight;
}
void circle::GetCircleArea()
{
 cout<<"圆的面积为："<<PI*fRadius*fRadius<<endl;
}
void circle::GetCylinderVolumn()
{
 cout<<"圆的面积为："<<PI*fRadius*fRadius*fHeight<<endl;
}