Time和Date的结合【exercise17.9】

目的：每秒输出一个当前日期

重点看Time的member function：tick

 1 //Time.h
　　#ifndef TIME_H
 2 #define TIME_H
 3 #include"DAT_Date.h"
 4 
 5 class Time{
 6     public:
 7         Time(int=23,int=59,int=55);
 8         
 9         //get functions
10         int getHour();
11         int getMinute();
12         int getSecond();
13         
14         //set functions
15         void setTime(int,int,int);
16         void setHour(int);
17         void setMinute(int);
18         void setSecond(int);
19         
20         void printUniversal();
21         void printStandard();
22         
23         void tick(double,Date);
24         void printTimeAndDate(Date);
25     private:
26         void increment();//utility function 
27         int hour;
28         int minute;
29         int second;
30 };
31 #endif
  1 //Time.cpp
  2 #include"DAT_Time.h"
  3 #include"DAT_Date.h"
  4 #include<iostream>
  5 #include<stdexcept>
  6 #include<iomanip>
  7 #include<ctime>
  8 using namespace std;
  9 
 10 Time::Time(int hour,int minute,int second){
 11     setTime(hour,minute,second);
 12 } 
 13 
 14 int Time::getHour(){
 15     return hour;
 16 }
 17 
 18 int Time::getMinute(){
 19     return minute;
 20 }
 21 
 22 int Time::getSecond(){
 23     return second;
 24 }
 25 
 26 void Time::setHour(int h){
 27     if(h>=0&&h<=23){
 28         hour=h;
 29     }else{
 30         throw invalid_argument("invalid input of hour\n");
 31     }
 32 }
 33 
 34 void Time::setMinute(int m){
 35     if(m>=0&&m<=59){
 36         minute=m;
 37     }else{
 38         throw invalid_argument("invalid input of minute\n");
 39     }
 40 }
 41 
 42 void Time::setSecond(int s){
 43     if(s>=0&&s<=59){
 44         second=s;
 45     }else{
 46         throw invalid_argument("invalid input of second\n");
 47     }
 48 }
 49 void Time::setTime(int h,int m,int s){
 50     setHour(h);
 51     setMinute(m);
 52     setSecond(s);
 53 }
//删了一段所以行号跳了ww
 72 void Time::printStandard(){
 73     cout<<setfill('0')<<setw(2)
 74         <<((getHour()==0||getHour()==12)?12:getHour()%12)<<":"
 75         <<setw(2)<<getMinute()<<":"
 76         <<setw(2)<<getSecond()<<((getHour()>12)?" PM":" AM")<<endl;
 77 }
 78 
 79 void Time::printUniversal(){
 80     cout<<setfill('0')
 81         <<setw(2)<<getHour()<<":"
 82         <<setw(2)<<getMinute()<<":"
 83         <<setw(2)<<getSecond()<<endl;
 84 }
 85 
 86 void Time::tick(double lastingSecond,Date date1){
 87     double last=0,now;
 88     printTimeAndDate(date1);
 89     while(1){
 90         now=(double)clock()/CLOCKS_PER_SEC;
 91         if(now-last>=1){
 92             increment();
 93             if(hour==0&&minute==0&&second==0){
 94                 date1.increment();
 95             }
 96             printTimeAndDate(date1);
 97             --lastingSecond;
 98             if(lastingSecond<=0){
 99                 break;
100             }
101             last=now;    
102         }
103     }
104 }
105 
106 void Time::printTimeAndDate(Date date1){
107     date1.print();
108     cout<<" "<<flush;
109     printStandard();
110 }
111 
112 void Time::increment(){
113     if(second==59){
114         if(minute==59){
115             if(hour==23){
116                 setHour(0);
117                 setMinute(0);
118                 setSecond(0);
119             }else{
120                 setHour(hour+1);
121                 setMinute(0);
122                 setSecond(0);
123             }
124         }else{
125             setSecond(0);
126             setMinute(minute+1);
127         }
128     }else{
129         setSecond(second+1);
130     }
131 }
 1 //Date.h
 2 #ifndef DATE_H
 3 #define DATE_H
 4 class Date{
 5     public:
 6         Date(int=2021,int=3,int=2);
 7         void setDate(int,int,int);
 8         void print();
 9         void increment();
10     private:
11         int year;
12         int month;
13         int day;
14 };
15 #endif
 1 //Date.cpp
 2 #include"Date.h"
 3 #include<iostream>
 4 #include<stdexcept>
 5 using namespace std;
 6 
 7 Date::Date(int y,int m,int d){
 8     setDate(y,m,d);
 9 }
10 
11 void Date::setDate(int y,int m,int d){
12     if(m==1||m==3||m==5||m==7||m==8||m==10||m==12){
13         if(d>=1&&d<=31){
14             day=d;
15         }else{
16             throw invalid_argument("invalid date");
17         }
18         month=m;
19     }else if(m>0&&m<13){
20         if(m!=2){
21             if(d>=1&&d<=30){
22                 day=d;
23             }else{
24                 throw invalid_argument("invalid date");
25             }
26         }else{
27             if((year%4==0&&year%100!=0)||y%400==0){
28                 if(d>=1&&d<=29){
29                     day=d;
30                 }else{
31                     throw invalid_argument("invalid date");
32                 }
33             }else{
34                 if(d>=1&&d<=28){
35                     day=d;
36                 }else{
37                     throw invalid_argument("invalid date");
38                 }
39             }
40         }
41         month=m;
42     }else{
43         throw invalid_argument("invalid month");
44     }
45     if(y>0) year=y;
46 }
47 
48 void Date::print(){
49     cout<<month<<"/"<<day<<"/"<<year;
50 }
51 
52 void Date::increment(){
53     if(day==31){
54         if(month==12){
55             ++year;
56             month=1;
57             day=1;
58         }else{
59             ++month;
60             day=1;
61         }
62     }else{
63         if(day==30){
64             if(month==4||month==6||month==9||month==11){
65                 ++month;
66                 day=1;
67             }else{
68                 ++day;
69             }
70         }else{
71             if(day==28||day==29){
72                 ++month;
73                 day=1;
74             }else{
75                 ++day;
76             }
77         }
78     }
79 }
//main.cpp
#include"Time.h"
#include"Date.h"
#include<iostream>
using namespace std;

int main(){
    Time timer;
    Date date1;
    double lastingSecond=10;//10秒 
    timer.tick(lastingSecond,date1);
}
posted @ 2021-03-02 10:34  NoerForest  阅读(136)  评论(0)    收藏  举报