【项目4 - 考了语文数学的学生】
下面提供了类Stu的数据成员定义,和用于测试的main函数,参考如图的运行结果,完成类的定义,并用多文件形式组织程序
#include<iostream>
using namespace std;
class Stu
{
private:
string name; //学生姓名
float chinese; //语文成绩
float math; //数学成绩
//接下去写
};
int main()
{
Stu s1,s2;
s1.setStudent("Lin daiyu", 98, 96); //对象置初值
s2.setStudent("Jia baoyu", 90, 88); //对象置初值
s1.show();//打印信息
s2.show();//打印信息
s1.setName("xue baochai");//重新置p1对象的名字
s1.show();
cout<<"s1.Name: "<<s1.getName()<<endl;//打印对象的名字
cout<<"s1.average: "<<s1.average()<<endl;//打印对象的成绩
return 0;
}
stu.h
#ifndef STU_H_INCLUDED
#define STU_H_INCLUDED
using namespace std;
#include <cstring>
class Stu
{
private:
string name;
float chinese;
float math;
public:
float average();
float sum();
void show();
void setStudent(string,float,float);
void setName(string);
string getName();
};
#endif // STU_H_INCLUDED
stu.cpp
#include<iostream>
#include<cstring>
#include "stu.h"
using namespace std;
float Stu::average()
{
return (chinese+math)/2; //平均成绩
}
float Stu::sum()
{
return chinese+math; //总分
}
void Stu::show() //打印信息
{
cout<<"Name: "<<name<<endl;
cout<<"Score: "<<chinese<<'\t'<<math<<endl;
cout<<"average: "<<average()<<'\t'<<"Sum: "<<sum()<<endl<<endl;
}
void Stu::setStudent(string sName, float fChinese, float fMath)
{
name=sName; //置姓名
chinese=fChinese; //置语文成绩
math=fMath; //置数学成绩
}
void Stu::setName(string sName)
{
name=sName; //置姓名
}
string Stu::getName()
{
return name; //返回姓名
}
main.cpp
#include<iostream>
#include"student.h"
using namespace std;
int main()
{
Stu s1,s2;
s1.setStudent("Lin daiyu", 98, 96);
s2.setStudent("Jia baoyu", 90, 88);
s2.show();
s1.setName("xue baochai");
s1.show();
cout<<"s1.Name: "<<s1.getName()<<endl;
cout<<"s1.average: "<<s1.average()<<endl;
return 0;
}
原文:http://blog.csdn.net/zs9528/article/details/44617141