第七周实验报告1

来源：互联网发布：汽车维修自学软件编辑：程序博客网时间：2024/05/22 10:33

* 程序头部注释开始* 程序的版权和版本声明部分

* 作者：时永杰

* 完成日期： 2012 年 3月 26日

* 版本号：v1.0

T1.h

class Time{public:Time(int s=0,int m=0,int h=0);void show_time( ); //根据is_24和from0，输出适合形式-20:23:5/8:23:5 pm/08:23:05 pmvoid add_seconds(int); //增加n秒钟void add_minutes(int); //增加n分钟  void add_hours(int); //增加n小时  static void change24();  //改变静态成员is_24，在12和24时制之间转换static void changefrom0();   //改变静态成员from0，切换是否前导0private:static bool is_24; //为true时，24小时制，如20:23:5；为flase，12小时制，显示为8:23:5 pm static bool from0; //为true时，前导0，8:23:5显示为08:23:05int hour;int minute;int sec;};

资源文件.cpp

#include <iostream>#include "T1.h"using namespace std;Time::Time(int h,int m,int s){hour=h;minute=m;sec=s;}bool Time::is_24=true;bool Time::from0=false;void Time::add_seconds(int x) //增加n秒钟{int n;sec = sec + x;if(sec>=60){n=sec/60;sec=sec%60;}minute=minute+n;}void Time::add_minutes(int x) //增加n分钟 {int n;minute = minute+x;if(minute>=60){n=minute/60;minute=minute%60;}hour=hour+n;}void Time::add_hours(int x) //增加n小时 {hour = hour+x;if(hour>=24)hour=hour%24;}void Time::change24(){if(is_24 == true)is_24 = false;elseis_24 = true;}void Time::changefrom0(){if (from0==true)from0=false;else if(from0==false)from0=true;}void Time::show_time( ){char a;{if (is_24 == true){if(from0 == true){ cout<<((hour>=10)?"":"0");cout<<hour<<":"<<((minute>=10)?"":"0 ");cout<<minute<<":"<<((sec>=10)?"":"0");cout<<sec;}elsecout<<hour<<":"<<minute<<":"<<sec;}else if(is_24 == false){if(hour>=12){a='p';hour=hour%12;if(from0 == true){cout<<((hour>=10)?"":"0");cout<<hour<<":"<<((minute>=10)?"":"0");cout<<minute<<":"<<((sec>=10)?"": "0");cout<<sec<<" "<<a<<"m";}elsecout<<hour<<":"<<minute<<":"<<sec;}else if(from0==true){a='a';cout<<((hour>=10)?"":"0"); cout<<hour<<":"<<((minute>=10)?"":"0");cout<<minute<<":"<<((sec>=10)?"":"0");    cout<<sec<<" "<<a<<"m";}elsecout<<hour<<":"<<minute<<":"<<sec;}}cout<<endl;}

main.cpp

#include <iostream>#include "T1.h"using namespace std;int main( )   {Time t1(23,14,25),t2(8,45,6); cout<<"24时制, 不前导0："<<endl;cout<<"    t1是：";t1.show_time();cout<<"    t2是：";t2.show_time();t1.add_hours(10);t2.add_hours(10);Time::changefrom0(); //注意此处调用静态成员cout<<"10小时后, 切换是否前导0："<<endl;cout<<    "t1是：";t1.show_time();cout<<    "t2是：";t2.show_time();t1.change24();cout<<"换一种制式："<<endl;cout<<"    t1是：";t1.show_time();cout<<"    t2是：";t2.show_time();system("pause");return 0;}