rectangle.h

学习C加加做的实验源程序

#include<iostream.h>

class Rectangle		//矩形类
{
	float left,right,top,bottom; //四个数据成员，left,right,top,bottom
public:
	Rectangle(float l=0,float r=0,float t=0,float b=0)	//构造函数
	{
		left=l;
		right=r;
		top=t;
		bottom=b;
	}
        ~Rectangle(){}	//析构函数
	void Assign(float l,float r,float t,float b)	//赋值函数
	{
		left=l;
		right=r;
		top=t;
		bottom=b;
	}
	void Setleft(float m){ left=m;}
	void Setright(float m){ right=m;}
	void Settop(float m){ top=m;}
	void Setbottom(float m){ bottom=m;}
	void Show()			//显示信息
	{
		cout<<"left-top point is ("<<left<<","<<top<<")"<<'\n';     
		cout<<"right-bottom point is ("<<right<<","<<bottom<<")"<<'\n';
	}
};