课程表（c语言）

#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("***************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");
}
//课程表输出函数
void print()
{
FILE *fp;
char time[5][99]={"8:00~8:55","10:00~10:55","14:00~14:55","16:00~16:55","19:00~19:55"};//设置时间
int i,j;
if((fp=fopen("g:\\cource.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<5;i++)                                    //将课程表从文件中读出
{
printf("%5s\t",time[i]);
for(j=0;j<7;j++)
{
fscanf(fp,"%s",course[i][j]);
printf("%-8s",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[10];
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（1~5）");
scanf("%d",&time);
while(date<1||date>5)
{
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("g:\\cource.txt","w"))==NULL)
{
printf("can't open this file");
exit(1);
}
for(i=0;i<5;i++)
{
for(j=0;j<7;j++)
fprintf(fp,"%-8s",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("请输入第%d天的课程：",i+1);
for(j=0;j<7;j++)
scanf("%s",course[i][j]);
}
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 14:l=2;break;
case 16:l=3;break;
case 19:l=4;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("g:\\cource.txt","r"))==NULL)
{
printf("can't open this file");
exit(1);
}
for(i=0;i<5;i++)
{
for(j=0;j<7;j++)
fscanf(fp,"%s",course[i][j]);

}

fclose(fp);
while(sign)
{
menu();
//music();
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();break;
case 3:savecourse();break;
case 4:newcourse();break;
case 5:recenttime();break;
case 0:printf("谢谢使用");sign=0;break;
}
}

}