- #include <stdio.h>
- typedef struct Time{
- int Y,M,D,h,m,s;
- }Time;
- Time time1 = {20,7,28,5,30,10};
- Time time2 = {20,7,29,6,10,10};
- /*>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
- *函数名称：Day_Diff
- *函数功能：计算任意日期的相隔天数
- *输入参数：time1 结构体指针 ， time2结构体指针
- *返回参数：天数
- * <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
- int Day_Diff(Time *time1 , Time *time2)
- {
- int year2 , month2 , day2;
- int year1 , month1 , day1;
- month1 = (time1->M + 9)%12;
- year1 = time1->Y - month1/10;
- day1 = 365 * year1 + year1 / 4 - year1 / 100 + year1 / 400 + (month1 *306 + 5) / 10 + (time1->D - 1);
- month2 = (time2->M + 9) % 12;
- year2 = time2->Y - month2 / 10;
- day2 = 365 * year2 + year2 / 4 - year2 / 100 + year2 / 400 + (month2 *306 + 5) / 10 + (time2->D - 1);
- return (day2 - day1);
- }
- /*>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
- *函数名称：TimeSub
- *函数功能：计算任意两个时间点相隔分钟数
- *输入参数：Day 天数 ， time1 结构体指针 ， time2结构体指针
- *返回参数：
- * <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
- int TimeSub(int Day , Time *time1,Time *time2)
- {
- long t1,t2,t;
- t1 = (time1->h * 3600) + (time1->m * 60) + （time1 -> s）;
- t2 = (Day * 24 *3600) + (time2->h * 3600) + (time2->m *60) + (time2 -> s);
- t = (t2 - t1) /60;
- return t;
- }
- int main()
- {
- int num = 0;
- int day = 0;
- day = Day_Diff(&time1 , &time2);
- printf("day = %d\r\n",day);
- num = TimeSub(day,&time1 , &time2);
- printf("%d\r\n" , num);
- return 0;
- }
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