#include<stdio.h> 
#include<stdlib.h>
void Mangers()
{
int n,w=1,flag=0,i=3;
char s[8];
char password[7]="1";
do
{
printf("\n\nEnter password:");
scanf("%s",s);
if(!strcmp(s,password))              
{
flag=1;
break;
}
else
{
printf("\n\nError! You only have %d times! Enter again:\n",i-1);
i--;
}
}
while(i>0);
if(!flag)
{
printf("you have Enter 3 times!");      
exit(0);                                
}
do
{
system("cls");
printf("\n\n\t\t*********************管理员菜单***********************\n\n");
printf("\t\t\t\t1---浏览课程\n");
printf("\t\t\t\t2---查询课程\n");
printf("\t\t\t\t3---添加课程\n");
printf("\t\t\t\t4---删除课程\n");
printf("\t\t\t\t5---返回主菜单");
printf("\n\n\t\t******************************************************\n");
printf("Chiose your number(1-5):[ ]\b\b");
scanf("%d",&n);
switch(n)
{
case 1:prin();break;
case 2:search();break;
case 3:insert();savefile();break;
case 4:del();savefile();break;
case 5:return;
default:;
}
}
while(w==1);
}
void Students()
{
int n,w=1;
do
{
system("cls");
puts("\n\n\t\t*********************学生菜单***********************\n\n");
puts("\t\t\t\t1---浏览所有课程\n");
puts("\t\t\t\t2---查询课程信息\n");
puts("\t\t\t\t3---选择选修课程\n");
puts("\t\t\t\t4---浏览我选修的课程\n");
puts("\t\t\t\t5---删除错选课程\n");
puts("\t\t\t\t6---返回主菜单");
puts("\n\n\t\t****************************************************\n");
printf("Chiose your number(1-6):[ ]\b\b");
scanf("%d",&n);
switch(n)
{
case 1:prin();break;
case 2:search();break;
case 3:choose();break;
case 4:prin1();break;
case 5:del();savefile1();break;
case 6:return;
default:;
}
}
while(w==1);
}
int  main()
{
int n,w=1;
do
{
system("cls");
puts("\n\n\t\t*********************MENU***********************\n\n");
puts("\t\t\t\t1.以管理员身份登录(password 1)\n");
puts("\t\t\t\t2.以学生身份登录\n");
puts("\t\t\t\t3.退出");
puts("\n\n\t\t************************************************\n");
printf("Chiose your number(1-3):[ ]\b\b");
scanf("%d",&n);
switch(n)
{
case 1:Mangers() ;break;
case 2:Students();break;
case 3:w=0;break;
default:;
}
}
while(w==1);
return 0;
}