45 lines
771 B
C++
45 lines
771 B
C++
// 类
|
|
#include <iostream>
|
|
#include <cstring>
|
|
using namespace std;
|
|
|
|
namespace SA
|
|
{
|
|
class Student
|
|
{
|
|
public:
|
|
int sid = 14; // 默认值设定，需要 c++11 标准以上
|
|
char name[32] = "hello";
|
|
|
|
private:
|
|
float score = 90;
|
|
|
|
public:
|
|
void showScore(); // 声明类方法
|
|
void addScore(float n) { this->score = n; }
|
|
};
|
|
|
|
// 实现类中的方法（函数）
|
|
void Student::showScore()
|
|
{
|
|
cout << "sid = " << this->sid << ", name = " << this->name << ", score = " << this->score << endl;
|
|
}
|
|
};
|
|
|
|
using namespace SA;
|
|
|
|
int main()
|
|
{
|
|
|
|
Student s1;
|
|
strcpy(s1.name, "flykhan");
|
|
s1.sid = 1001;
|
|
s1.addScore(100);
|
|
s1.showScore();
|
|
|
|
Student s2;
|
|
s2.showScore();
|
|
|
|
return 0;
|
|
}
|