1、
#include <stdio.h> #include <time.h> void put_data(void) { FILE *fp; if((fp = fopen("time.txt", "r")) == NULL) { printf("aThe program is ran for the first time. "); printf("My mood at this moment is relative calm. "); } else { int year, month, day, week, hour, min, sec; char mood[128]; fscanf(fp,"%d%d%d%d%d%d%d%s", &year, &month, &day, &week, &hour, &min, &sec, mood); printf("The program ran for the last time was %d-%d-%d; week(%d); %d-%d-%d. ", year, month, day, week, hour, min, sec); printf("I was %s at the time. ", mood); fclose(fp); } } void get_data(void) { FILE *fp; time_t current = time(NULL); struct tm *timer = localtime(¤t); if((fp = fopen("time.txt", "w")) == NULL) printf("aFile open failed. "); else { char mood[128]; fprintf(fp, "%d %d %d %d %d %d %d", timer -> tm_year + 1900, timer -> tm_mon + 1, timer -> tm_mday, timer -> tm_wday, timer -> tm_hour, timer -> tm_min, timer -> tm_sec); printf("Please input your mood at this moment. "); printf("My mood: "); scanf("%s", mood); fprintf(fp, " %s", mood); fclose(fp); } } int main(void) { put_data(); get_data(); return 0; }
2、
#include <stdio.h> #include <time.h> char mood[128]; void put_data(void) { FILE *fp; if((fp = fopen("time.txt", "r")) == NULL) { printf("aThe program is running for the first time. "); printf("Please input the mood at this moment: "); scanf("%s", mood); } else { int year, month, day, week, hour, min, sec; fscanf(fp, "%d%d%d%d%d%d%d%s", &year, &month, &day, &week, &hour, &min, &sec, mood); printf("The last time the program ran is: %d-%d-%d; week(%d); %d-%d-%d ",year, month, day, week, hour, min, sec); printf("My mood at that moment is: %s. ", mood); printf("Please input the mood at this moment: "); scanf("%s", mood); fclose(fp); } } void get_data(void) { FILE *fp; time_t current = time(NULL); struct tm *timer = localtime(¤t); if((fp = fopen("time.txt", "w")) == NULL) printf("aFile open failed. "); else { fprintf(fp, "%d %d %d %d %d %d %d %s", timer -> tm_year + 1900, timer -> tm_mon + 1, timer -> tm_mday, timer -> tm_wday, timer -> tm_hour, timer -> tm_min, timer -> tm_sec, mood); fclose(fp); } } int main(void) { put_data(); get_data(); return 0; }