#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#include<time.h>
#include<windows.h>
#include<mmsystem.h>
#pragma comment(lib,"WINMM.LIB")char course[99][99][99];void menu() //菜单显示
{printf("************这是周晗的课程作业*************\n");printf("***************课表系统菜单****************\n");printf("***************1.显示课表******************\n");printf("***************2.修改课表******************\n");printf("***************3.保存课表******************\n");printf("***************4.新建课表******************\n");printf("***************5.查看当前课程**************\n");printf("***************0.退出**********************\n");
}void print()  //课程表输出函数
{FILE *fp;char time[6][99]={"1-2节(8:00~9:40)","3-4节(10:10~11:50)","5-6节(13:45~15:25)","7-8节(15:55~17:35)","9-10节(19:00~20:00)","11-12节(20:00~21:00)"};//设置时间int i,j;if((fp=fopen("E:\\course.txt","r"))==NULL){printf("can't open this file\n");exit(1);}printf("--------------------------------------------------------------------------------------------------------\n");printf("时间                      星期一      星期二      星期三      星期四      星期五      星期六      星期天\n");printf("--------------------------------------------------------------------------------------------------------\n");for(i=0;i<6;i++)                                    //将课程表从文件中读出{printf("%10s\t",time[i]);for(j=0;j<7;j++){fscanf(fp,"%s",course[i][j]);printf("%-13s",course[i][j]);}printf("\n");printf("--------------------------------------------------------------------------------------------------------\n");}fclose(fp);//recenttime();printf("\n\n");}void change()//修改函数
{char temp[10];char s;int date,time;char recourse[20];printf("输入你想要改的课程时间（星期1~7）");scanf("%d",&date);while(date<1||date>7){printf("输入时间不合理，重新输入");scanf("%d",&date);}printf("输入你想要改的课程课次（1~6），注：如果没课请输入无");scanf("%d",&time);while(date<1||date>6){printf("输入时间不合理，重新输入");scanf("%d",&time);}printf("你要将原来的课程修改为:");scanf("%s",recourse);strcpy(temp,recourse);getchar();strcpy(course[time-1][date-1],recourse);printf("是否保存（1 表示保存，否则不保存）");scanf("%c",&s);if(s=='1')savecourse();else{strcpy(course[time-1][date-1],temp);}
}int savecourse()//保存函数
{FILE *fp;int i,j;if((fp=fopen("E:\\course.txt","w"))==NULL){printf("can't open this file");exit(1);}for(i=0;i<6;i++){for(j=0;j<7;j++)fprintf(fp,"%-13s",course[i][j]);fprintf(fp,"\n");}fclose(fp);printf("保存成功!\n");
}void newcourse()//课表重置函数
{int i,j;printf("请一次输入一周的课程按回车开始\n");for(i=0;i<7;i++){printf("请按从早到晚的顺序输入第%d天的课程,每天6节课,注：如果没课请输入无：",i+1);for(j=0;j<6;j++)scanf("%s",course[j][i]);}savecourse();
}void recenttime()
{struct tm *ptr;
time_t it;
int y,d,m,iWeek,h,min,l,c;
char s[99];
it=time(NULL);
ptr=localtime(&it);
y=ptr->tm_year+1900;
d=ptr->tm_mday;
m=ptr->tm_mon+1;
h=ptr->tm_hour;
min=ptr->tm_min;                                                              //时间转换程序
printf("当前时间为%4d年%02d月%02d日 %d:%d:%d ",ptr->tm_year+1900,ptr->tm_mon+1,ptr->tm_mday,ptr->tm_hour,ptr->tm_min,ptr->tm_sec);iWeek=(d+2*m+3*(m+1)/5+y+y/4-y/100+y/400)%7;switch(iWeek){case 0: strcpy(s,"星期一");printf("%s\n",s); break;case 1: strcpy(s,"星期二");printf("%s\n",s); break;case 2: strcpy(s,"星期三");printf("%s\n",s); break;case 3: strcpy(s,"星期四");printf("%s\n",s); break;case 4: strcpy(s,"星期五");printf("%s\n",s); break;case 5: strcpy(s,"星期六");printf("%s\n",s); break;case 6: strcpy(s,"星期天");printf("%s\n",s); break;}if((h<8||h>19)||h==9||h==11||h==12||h==13||h==15||h==17||h==18){printf("当前无课");exit(1);}switch(h){case 8:l=0;break;case 10:l=1;break;case 13:l=2;break;case 15:l=3;break;case 19:l=4;break;case 20:l=5;break;}if(strcmp(s,"星期一")==0) c=0;if(strcmp(s,"星期二")==0) c=1;if(strcmp(s,"星期三")==0) c=2;if(strcmp(s,"星期四")==0) c=3;if(strcmp(s,"星期五")==0) c=4;if(strcmp(s,"星期六")==0) c=5;if(strcmp(s,"星期天")==0) c=6;printf("要上的课程为 %s\n",course[l][c]);}int main()
{int select;int sign=1;char contin;FILE *fp;int i,j;if((fp=fopen("E:\\course.txt","r"))==NULL){printf("文件夹中没有课程表文件，请先输入4进行新建课表\n");}for(i=0;i<6;i++){for(j=0;j<7;j++)fscanf(fp,"%s",course[i][j]);}fclose(fp);while(sign){menu();printf("请输入操作：");scanf("%d",&select);while(select<0||select>5){printf("你输入的操作不合法，请重新输入");scanf("%d",&select);}switch(select){case 1:print();break;case 2:change();sign=1;break;case 3:savecourse();break;case 4:newcourse();break;case 5:recenttime();break;case 0:printf("谢谢使用");sign=0;break;default:break;}}}