期中

#include "date.h"
#include "utils.h" 
#include <iostream>
using std::cout;
using std::endl;

// 补足程序，实现Date类中定义的成员函数 
Date::Date(){
    year=1970;
    month=1;
    day=1;
}

Date::Date(int y,int m,int d):year(y),month(m),day(d){}

void Date::display(){
    cout<<year<<"-"<<month<<"-"<<day<<endl;
}

int Date::getYear() const{
    return year;
}

int Date::getMonth()const{
    return month;
}

int Date::getDay()const{
    return day;
}

int Date::dayOfYear(){
    while(isLeap(year))
    {    switch(month)
        {    case 1:return day;break;
            case 2:return day+31;break;
            case 3:return day+60;break;
            case 4:return day+91;break;
            case 5:return day+121;break;
            case 6:return day+152;break;
            case 7:return day+182;break;
            case 8:return day+213;break;
            case 9:return day+244;break;
            case 10:return day+274;break;
            case 11:return day+305;break;
            case 12:return day+335;break;
        }
    }
    while(!(isLeap(year)))
    {    switch(month)
        {    case 1:return day;break;
            case 2:return day+31;break;
            case 3:return day+59;break;
            case 4:return day+90;break;
            case 5:return day+120;break;
            case 6:return day+151;break;
            case 7:return day+181;break;
            case 8:return day+212;break;
            case 9:return day+243;break;
            case 10:return day+273;break;
            case 11:return day+304;break;
            case 12:return day+334;break;
        }
    }
}

第一题