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Program0111(WinNT).c
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#include<stdio.h>
#include<string.h>
#include<stdlib.h>
#include<windows.h>
#include<unistd.h>//Windows C
struct Node0
{
char name[109];
int num;
char major[109];
char passwd[109];
int cou1;
int cou2;
int cou3;
int status;//状态参量 1可用，0不可用，为回收站功能预留，现已上线
}student[109];
struct Node1
{
char name[109];
int cap;
char major[109];
int source;
int status;//状态参量 1可用，0不可用，为回收站功能预留，现已上线
}course[109];
char passwd[109];
int student_tot=-1;
int course_tot=-1;
char buffer[1000];
int main()
{
getcwd(buffer,1000);
char buffer1[1000];
strcpy(buffer1,buffer);
char str1[]="\\Login.txt";
strcat(buffer1,str1);
char buffer2[1000];
strcpy(buffer2,buffer);
char str2[]="\\Course.txt";
strcat(buffer2,str2);
char buffer3[1000];
strcpy(buffer3,buffer);
char str3[]="\\Student.txt";
strcat(buffer3,str3);
char buffer5[1000];
strcpy(buffer5,buffer);
char str5[]="\\1.bat";
strcat(buffer5,str5);
login:
printf("***********************LOGIN************************\n");
int login_temp;
FILE *fp=fopen(buffer1,"r");
fscanf(fp,"%d",&login_temp);
if(!login_temp)//login_temp==0
{
printf("Please set the administrator's password:");
fflush(stdin);
scanf("%s",passwd);
printf("***********************LOGIN************************\n");
}
else
{
fscanf(fp,"%s",passwd);
}
fclose(fp);
FILE *fp2=fopen(buffer1,"w");
fprintf(fp2,"1\n");
fprintf(fp2,"%s",passwd);
fclose(fp2);
printf("If you are the administrator, please input 1. \nIf you are a student, please input 2.\nIf you are going to delete all the files, please input 3.\nIf you want to exit, please input other key.\n");
printf("Please input any key:");
char choice1;
fflush(stdin);//此处清空缓冲区，不然第二次之后的scanf会归西
scanf("%c",&choice1);
switch(choice1)
{
case '1':
printf("Please input the password:");
char pawd1[109];//你输入的密码
fflush(stdin);
scanf("%s",pawd1);
if(strcmp(pawd1,passwd)!=0)//总共可以输入三次密码，避免恶意穷举，虽然治标不治本，程序可以无限次打开..
{
printf("You may have 2 more chances to enter the correct password.\n");
printf("Please input the password:");
char pawd2[109];//你输入的密码
fflush(stdin);
scanf("%s",pawd2);
if(strcmp(pawd2,passwd)!=0)
{
printf("You may have 1 more chance to enter the correct password.\n");
printf("Please input the password:");
char pawd3[109];//你输入的密码
fflush(stdin);
scanf("%s",pawd3);
if(strcmp(pawd3,passwd)!=0)
{
printf("Sorry, the program will exit...\n");
return 0;
}
}
}
printf("Login successfully...\n");
sleep(1);
AdminMenu:
printf("***********************ADMININSTRATION MENU************************\n");
printf("1.Student Informations Configure\n");
printf("2.Course Informations Configure\n");
printf("3.Choice Informations Configure\n");
printf("Other:Logout...\n");
printf("Please input your choice:");
char choice2;
fflush(stdin);//此处清空缓冲区，不然scanf归西
scanf("%c",&choice2);
switch(choice2)
{
case '1':
if(student_tot==-1)
{
FILE *fp=fopen(buffer3,"r");
fscanf(fp,"%d",&student_tot);
for(int i=0;i<student_tot;i++)
{
fscanf(fp,"%d%s%s%d%d%d%s%d",&student[i].num,student[i].passwd,student[i].name,&student[i].cou1,&student[i].cou2,&student[i].cou3,student[i].major,&student[i].status);
}
fclose(fp);
}
StudentMenu:
printf("*************STUDENT INFORMATION CONFIGURE MENU**************\n");
printf("1.View Students' Informations\n");
printf("2.Add Students' Informations\n");
printf("3.Delete Students' Informations\n");
printf("4.Edit Students' Informations\n");
printf("5.Query Students' Informations\n");
printf("6.Reset Students' Informations\n");
printf("7.Show The Recycle Bin\n");
printf("Other:Save and Back to Administration Menu...\n");
printf("Please input your choice:");
char choice3;
fflush(stdin);
scanf("%c",&choice3);
switch(choice3)
{
case '1':
printf("Name\tNumber\tMajor\n");
for(int i=0;i<student_tot;i++)
{
if(student[i].status)
printf("%s\t\t%d\t\t%s\n",student[i].name,student[i].num,student[i].major);
}
//system("pause");
sleep(1);
goto StudentMenu;
break;
case '2':
printf("Please input the student's name, student's number and major:");
scanf("%s%d%s",student[student_tot].name,&student[student_tot].num,student[student_tot].major);
student[student_tot].status=1;
student[student_tot].passwd[0]='$';
student[student_tot].cou1=-1;
student[student_tot].cou2=-1;
student[student_tot].cou3=-1;
student_tot++;
printf("Student's Informations have been successfully added...\n");
sleep(1);
goto StudentMenu;
break;
case '3':
printf("Please input the student's number who you are going to delete:");
int student_temp1;
fflush(stdin);
scanf("%d",&student_temp1);
for(int i=0;i<student_tot;i++)
{
if(student[i].num==student_temp1&&(student[i].status))
{
student[i].status=0;
printf("Student's Informations have been successfully deleted...\n");
sleep(1);
break;
}
if(i==student_tot-1)
{
printf("Cannot find the student...\n");
printf("Back to Student Information Menu...\n");
sleep(1);
}
}
goto StudentMenu;
break;
case '4':
printf("Please input the student's number who you are going to edit:");
int student_temp2;
fflush(stdin);
scanf("%d",&student_temp2);
for(int i=0;i<student_tot;i++)
{
if(student[i].num==student_temp2&&(student[i].status))
{
printf("Please input the student's new name and major:");
scanf("%s%s",student[i].name,student[i].major);
printf("Student's Informations have been successfully edited...\n");
sleep(1);
break;
}
if(i==student_tot-1)
{
printf("Cannot find the student...\n");
printf("Back to Student Information Menu...\n");
sleep(1);
}
}
goto StudentMenu;
break;
case '5':
printf("*************STUDENT INFORMATION QUERY MENU**************\n");
printf("1.Use Students' Number\n");
printf("2.Use Students' Name\n");
printf("Other:Back to Student Information Menu...\n");
printf("Please input your choice:");
char choice4;
fflush(stdin);
scanf("%c",&choice4);
switch(choice4)
{
case '1':
printf("Please input the student's number who you are going to query:");
int student_temp3;
fflush(stdin);
scanf("%d",&student_temp3);
for(int i=0;i<student_tot;i++)
{
if(student[i].num==student_temp3&&(student[i].status))
{
printf("Name\tNumber\tMajor\n");
printf("%s\t\t%d\t\t%s\n",student[i].name,student[i].num,student[i].major);
printf("Finish...\n");
sleep(1);
break;
}
if(i==student_tot-1)
{
printf("Cannot find the student...\n");
printf("Back to Student Information Menu...\n");
sleep(1);
}
}
goto StudentMenu;
break;
case '2':
printf("Please input the student's name who you are going to query:");
char student_temp4[109];
fflush(stdin);
scanf("%s",student_temp4);
for(int i=0;i<student_tot;i++)
{
if((!strcmp(student[i].name,student_temp4))&&(student[i].status))
{
printf("Name\tNumber\tMajor\n");
printf("%s\t\t%d\t\t%s\n",student[i].name,student[i].num,student[i].major);
printf("Finish...\n");
sleep(1);
break;
}
if(i==student_tot-1)
{
printf("Cannot find the student...\n");
printf("Back to Student Information Menu...\n");
sleep(1);
}
}
goto StudentMenu;
break;
default:
goto StudentMenu;
break;
}
case '6':
printf("Please input the student's number who you are going to reset the password:");
int student_temp10;
fflush(stdin);
scanf("%d",&student_temp10);
for(int i=0;i<student_tot;i++)
{
if(student[i].num==student_temp10&&(student[i].status))
{
student[i].passwd[0]='$';
printf("The password has been successfully reset...\n");
sleep(1);
break;
}
if(i==student_tot-1)
{
printf("Cannot find the student...\n");
printf("Back to Student Information Menu...\n");
sleep(1);
}
}
goto StudentMenu;
break;
case '7':
StuBin:
printf("*************RECYCLE BIN MENU**************\n");
printf("1.Show The Recycle Bin\n");
printf("2.Complete Delete with the student's number\n");
printf("3.Recovery with the student's number\n");
printf("Other:Back to Student Information Menu...\n");
printf("Please input your choice:");
char Bchoice1;
fflush(stdin);
scanf("%c",&Bchoice1);
switch(Bchoice1)
{
case '1':
printf("Name\tNumber\tMajor\n");
for(int i=0;i<student_tot;i++)
{
if(!student[i].status)
printf("%s\t\t%d\t\t%s\n",student[i].name,student[i].num,student[i].major);
}
sleep(1);
goto StuBin;
break;
case '2':
printf("Please input the student's number who you are going to complete delete:");
int del1;
scanf("%d",&del1);
for(int i=0;i<student_tot;i++)
{
if(student[i].num==del1)
{
for(int j=i;j<student_tot-1;j++)
{
student[j]=student[j+1];
}
student_tot--;
printf("Student's Informations have been completely deleted...\n");
sleep(1);
break;
}
if(i==student_tot-1)
{
printf("Cannot find the student...\n");
printf("Back to Student Information Menu...\n");
sleep(1);
}
}
goto StuBin;
break;
case '3':
printf("Please input the student's number who you are going to recovery:");
int del2;
scanf("%d",&del2);
for(int i=0;i<student_tot;i++)
{
if(student[i].num==del2)
{
student[i].status=1;
printf("Student's Informations have been successfully recovery...\n");
sleep(1);
break;
}
if(i==student_tot-1)
{
printf("Cannot find the student...\n");
printf("Back to Student Information Menu...\n");
sleep(1);
}
}
goto StuBin;
break;
default:
goto StudentMenu;
break;
}
default:
FILE *fp=fopen(buffer3,"w");
fprintf(fp,"%d\n",student_tot);
for(int i=0;i<student_tot;i++)
{
fprintf(fp,"%d %s %s %d %d %d %s %d\n",student[i].num,student[i].passwd,student[i].name,student[i].cou1,student[i].cou2,student[i].cou3,student[i].major,student[i].status);
}
student_tot=-1;
fclose(fp);
goto AdminMenu;
break;
}
break;
case '2':
if(course_tot==-1)
{
FILE *fp=fopen(buffer2,"r");
fscanf(fp,"%d",&course_tot);
for(int i=0;i<course_tot;i++)
{
fscanf(fp,"%s%d%s%d%d",course[i].name,&course[i].cap,course[i].major,&course[i].status,&course[i].source);
}
fclose(fp);
}
CourseMenu:
printf("*************COURSE INFORMATION CONFIGURE MENU**************\n");
printf("1.View Courses' Informations\n");
printf("2.Add Courses' Informations\n");
printf("3.Delete Courses' Informations\n");
printf("4.Edit Courses' Informations\n");
printf("5.Query Courses' Informations\n");
printf("6.Show The Recycle Bin\n");
printf("Other:Save and Back to Administration Menu...\n");
printf("Please input your choice:");
char choice4;
fflush(stdin);
scanf("%c",&choice4);
switch(choice4)
{
case '1':
printf("Name\t\t\t\t\tCapacity\t\t\t\t\tMajor\t\t\t\t\tQuota\n");
for(int i=0;i<course_tot;i++)
{
if(course[i].status)
printf("%s\t\t\t\t\t%d\t\t\t\t\t%s\t\t\t\t\t%d\n",course[i].name,course[i].cap,course[i].major,course[i].source);
}
sleep(1);
goto CourseMenu;
break;
case '2':
printf("Please input the course's name, course's capacity, major and quota:");
scanf("%s%d%s%d",course[course_tot].name,&course[course_tot].cap,course[course_tot].major,&course[course_tot].source);
course[course_tot].status=1;
course_tot++;
printf("Course's Informations have been successfully added...\n");
sleep(1);
goto CourseMenu;
break;
case '3':
printf("Please input the course's name who you are going to delete:");
char course_temp1[109];
fflush(stdin);
scanf("%s",course_temp1);
for(int i=0;i<course_tot;i++)
{
if((!strcmp(course_temp1,course[i].name))&&(course[i].status))
{
course[i].status=0;
printf("Course's Informations have been successfully deleted...\n");
sleep(1);
break;
}
if(i==course_tot-1)
{
printf("Cannot find the course...\n");
printf("Back to Course Information Menu...\n");
sleep(1);
}
}
goto CourseMenu;
break;
case '4':
printf("Please input the course's name who you are going to edit:");
char course_temp2[109];
fflush(stdin);
scanf("%s",course_temp2);
for(int i=0;i<course_tot;i++)
{
if((!strcmp(course_temp2,course[i].name))&&(course[i].status))
{
printf("Please input the course's new capacity, major and quota:");
scanf("%d%s%d",&course[i].cap,course[i].major,&course[i].source);
printf("Student's Informations have been successfully edited...\n");
sleep(1);
break;
}
if(i==course_tot-1)
{
printf("Cannot find the course...\n");
printf("Back to Course Information Menu...\n");
sleep(1);
}
}
goto CourseMenu;
break;
case '5':
printf("Please input the course's name who you are going to query:");
char course_temp3[109];
fflush(stdin);
scanf("%s",course_temp3);
for(int i=0;i<course_tot;i++)
{
if((!strcmp(course[i].name,course_temp3))&&(course[i].status))
{
printf("Name\t\t\t\t\tCapacity\t\t\t\t\tMajor\t\t\t\tQuota\n");
printf("%s\t\t\t\t\t%d\t\t\t\t\t%s\t\t\t\t\t%d\n",course[i].name,course[i].cap,course[i].major,course[i].source);
printf("Finish...\n");
sleep(1);
break;
}
if(i==course_tot-1)
{
printf("Cannot find the course...\n");
printf("Back to Course Information Menu...\n");
sleep(1);
}
}
goto CourseMenu;
break;
case '6':
CourseBin:
printf("*************RECYCLE BIN MENU**************\n");
printf("1.Show The Recycle Bin\n");
printf("2.Complete Delete with the course's name\n");
printf("3.Recovery with the course's name\n");
printf("Other:Back to Course Information Menu...\n");
printf("Please input your choice:");
char Bchoice2;
fflush(stdin);
scanf("%c",&Bchoice2);
switch(Bchoice2)
{
case '1':
printf("Name\t\t\t\t\tCapacity\t\t\t\t\tMajor\t\t\t\t\tQuota\n");
for(int i=0;i<course_tot;i++)
{
if(!course[i].status)
printf("%s\t\t\t\t\t%d\t\t\t\t\t%s\t\t\t\t\t%d\n",course[i].name,course[i].cap,course[i].major,course[i].source);
}
sleep(1);
goto CourseBin;
break;
case '2':
printf("Please input the course's name which you are going to complete delete:");
char del3[109];
fflush(stdin);
scanf("%s",del3);
for(int i=0;i<course_tot;i++)
{
if(strcmp(course[i].name,del3)==0)
{
for(int j=i;j<course_tot-1;j++)
{
course[j]=course[j+1];
}
course_tot--;
printf("Course's Informations have been completely deleted...\n");
sleep(1);
break;
}
if(i==course_tot-1)
{
printf("Cannot find the course...\n");
printf("Back to Course Information Menu...\n");
sleep(1);
}
}
goto CourseBin;
break;
case '3':
printf("Please input the course's name who you are going to recovery:");
char del4[109];
fflush(stdin);
scanf("%s",del4);
for(int i=0;i<course_tot;i++)
{
if(strcmp(course[i].name,del4)==0)
{
course[i].status=1;
printf("Course's Informations have been successfully recovery...\n");
sleep(1);
break;
}
if(i==course_tot-1)
{
printf("Cannot find the course...\n");
printf("Back to Course Information Menu...\n");
sleep(1);
}
}
goto CourseBin;
break;
default:
goto CourseMenu;
break;
}
default:
FILE *fp=fopen(buffer2,"w");
fprintf(fp,"%d\n",course_tot);
for(int i=0;i<course_tot;i++)
{
fprintf(fp,"%s %d %s %d %d\n",course[i].name,course[i].cap,course[i].major,course[i].status,course[i].source);
}
course_tot=-1;
fclose(fp);
goto AdminMenu;
break;
}
break;
case '3':
if(course_tot==-1)
{
FILE *fp=fopen(buffer2,"r");
fscanf(fp,"%d",&course_tot);
for(int i=0;i<course_tot;i++)
{
fscanf(fp,"%s%d%s%d%d",course[i].name,&course[i].cap,course[i].major,&course[i].status,&course[i].source);
}
fclose(fp);
}
ChoiceMenu:
printf("*************CHOICE INFORMATION CONFIGURE MENU**************\n");
printf("1.Different courses selected in order from highest to lowest\n");
printf("2.Any one major sorted by the selection of different courses\n");
printf("Other:Back to Administration Menu...\n");
printf("Please input your choice:");
char choice9;
fflush(stdin);
scanf("%c",&choice9);
switch(choice9)
{
case '1':
int cnt[1009][109];
for(int i=0;i<1009;i++)
{
for(int j=0;j<109;j++)
{
cnt[i][j]=-1;
}
}
for(int i=0;i<course_tot;i++)
{
int j=0;
while(cnt[course[i].cap-course[i].source][j]!=-1)
{
j++;
}
cnt[course[i].cap-course[i].source][j]=i;
}
printf("The result is:\n");
printf("Name\t\t\t\tPopulation\n");
for(int i=1000;i>=0;i--)
{
int j=0;
while(cnt[i][j]!=-1)
{
printf("%s\t\t\t\t%d\n",course[cnt[i][j]].name,course[cnt[i][j]].cap-course[cnt[i][j]].source);
j++;
}
}
printf("Finished...\n");
sleep(1);
goto ChoiceMenu;
break;
case '2':
{
int flg=0;
printf("Please input the major's name:");
char majorn[109];
fflush(stdin);
scanf("%s",majorn);
int cnt1[1009][109];
for(int i=0;i<1009;i++)
{
for(int j=0;j<109;j++)
{
cnt1[i][j]=-1;
}
}
for(int i=0;i<course_tot;i++)
{
if(!strcmp(majorn,course[i].major))
{
flg=1;
int j=0;
while(cnt1[course[i].cap-course[i].source][j]!=-1)
{
j++;
}
cnt1[course[i].cap-course[i].source][j]=i;
}
}
if(!flg)
{
printf("Cannot find this major...\n");
sleep(1);
goto ChoiceMenu;
break;
}
printf("The result is:\n");
printf("Name\t\t\t\tPopulation\n");
for(int i=1000;i>=0;i--)
{
int j=0;
while(cnt1[i][j]!=-1)
{
printf("%s\t\t\t\t%d\n",course[cnt1[i][j]].name,course[cnt1[i][j]].cap-course[cnt1[i][j]].source);
j++;
}
}
printf("Finished...\n");
sleep(1);
goto ChoiceMenu;
break;
}
default:
goto AdminMenu;
}
break;
default:
goto login;
}
break;
case '2':
{
StuLogMenu:
printf("***********************STUDENT LOGIN MENU************************\n");
if(student_tot==-1)
{
FILE *fp=fopen(buffer3,"r");
fscanf(fp,"%d",&student_tot);
for(int i=0;i<student_tot;i++)
{
fscanf(fp,"%d%s%s%d%d%d%s%d",&student[i].num,student[i].passwd,student[i].name,&student[i].cou1,&student[i].cou2,&student[i].cou3,student[i].major,&student[i].status);
}
fclose(fp);
}
if(course_tot==-1)
{
FILE *fp=fopen(buffer2,"r");
fscanf(fp,"%d",&course_tot);
for(int i=0;i<course_tot;i++)
{
fscanf(fp,"%s%d%s%d%d",course[i].name,&course[i].cap,course[i].major,&course[i].status,&course[i].source);
}
fclose(fp);
}
printf("1.Student Sign in\n");
printf("2.Student Sign up\n");
printf("Other:Back to Login Menu...\n");
printf("Please input your choice:");
char choice5;
fflush(stdin);
scanf("%c",&choice5);
switch(choice5)
{
case '1':
{
printf("Please input your student number:");
int acc;
fflush(stdin);
scanf("%d",&acc);
for(int i=0;i<student_tot;i++)
{
if(acc==student[i].num)
{
char pwd[109];
if(student[i].passwd[0]=='$')
{
printf("Please enter your new password:");
fflush(stdin);
scanf("%s",student[i].passwd);
goto StuMenu;
}
printf("Please enter your password:");
fflush(stdin);
scanf("%s",pwd);
if(!strcmp(pwd,student[i].passwd))
{
StuMenu:
printf("Login successfully...\n");
printf("Welcome back,%s\n",student[i].name);
sleep(1);
StuMenu2:
printf("***********************STUDENT MENU************************\n");
printf("1.View all your courses\n");
printf("2.Choose a new course\n");
printf("3.Delete a course you have chosen\n");
printf("Other:Save and Logout...\n");
printf("Please input your choice:");
char choice6;
fflush(stdin);//此处清空缓冲区，不然scanf归西
scanf("%c",&choice6);
switch(choice6)
{
case '1':
printf("Number\t\t\tCourse1\t\t\tCourse2\t\t\tCourse3\n");
printf("%d\t",acc);
if(student[i].cou1!=-1)
{
printf("%s\t\t",course[student[i].cou1].name);
}
else
{
printf("NONE\t\t");
}
if(student[i].cou2!=-1)
{
printf("%s\t\t",course[student[i].cou2].name);
}
else
{
printf("NONE\t\t");
}
if(student[i].cou3!=-1)
{
printf("%s\n",course[student[i].cou3].name);
}
else
{
printf("NONE\n");
}
printf("Finished...\n");
sleep(1);
goto StuMenu2;
break;
case '2':
printf("***********************COURSE CHOOSING MENU************************\n");
printf("1.Choose your first course\n");
printf("2.Choose your second course\n");
printf("3.Choose your third course\n");
printf("Other:Back to the Student Menu...\n");
printf("Please input your choice:");
char choice7;
fflush(stdin);//此处清空缓冲区，不然scanf归西
scanf("%c",&choice7);
switch(choice7)
{
case '1':
{
printf("Number\t\tName\n");
if(student[i].cou1!=-1)
{
course[student[i].cou1].source++;
}
int flg=0;
for(int j=0;j<course_tot;j++)
{
if(course[j].status&&(!strcmp(course[j].major,student[i].major))&&(j!=student[i].cou1)&&(j!=student[i].cou2)&&(j!=student[i].cou3))
{
flg=1;
printf(" %d\t\t\t%s\n",j,course[j].name);
}
}
if(!flg)
{
printf("No course is right for you...\n");
sleep(1);
goto StuMenu2;
}
printf("Please input the course's number which you would like to choose:");
fflush(stdin);
scanf("%d",&student[i].cou1);
if(course[student[i].cou1].source>0)
{
printf("The course has been chosen successfully...\n");
course[student[i].cou1].source--;
}
else
{
printf("There is no quota left.\n");
printf("The course choosing failed...\n");
student[i].cou1=-1;
}
sleep(1);
goto StuMenu2;
break;
}
case '2':
{
printf("Number\t\tName\n");
if(student[i].cou2!=-1)
{
course[student[i].cou2].source++;
}
int flg=0;
for(int j=0;j<course_tot;j++)
{
if(course[j].status&&(!strcmp(course[j].major,student[i].major))&&(j!=student[i].cou1)&&(j!=student[i].cou2)&&(j!=student[i].cou3))
{
flg=1;
printf(" %d\t\t\t%s\n",j,course[j].name);
}
}
if(!flg)
{
printf("No course is right for you...\n");
sleep(1);
goto StuMenu2;
}
printf("Please input the course's number which you would like to choose:");
fflush(stdin);
scanf("%d",&student[i].cou2);
if(course[student[i].cou2].source>0)
{
printf("The course has been chosen successfully...\n");
course[student[i].cou2].source--;
}
else
{
printf("There is no quota left.\n");
printf("The course choosing failed...\n");
student[i].cou2=-1;
}
sleep(1);
goto StuMenu2;
break;
}
case '3':
{
printf("Number\t\tName\n");
if(student[i].cou3!=-1)
{
course[student[i].cou3].source++;
}
int flg=0;
for(int j=0;j<course_tot;j++)
{
if(course[j].status&&(!strcmp(course[j].major,student[i].major))&&(j!=student[i].cou1)&&(j!=student[i].cou2)&&(j!=student[i].cou3))
{
flg=1;
printf(" %d\t\t\t%s\n",j,course[j].name);
}
}
if(!flg)
{
printf("No course is right for you...\n");
sleep(1);
goto StuMenu2;
}
printf("Please input the course's number which you would like to choose:");
fflush(stdin);
scanf("%d",&student[i].cou3);
if(course[student[i].cou3].source>0)
{
printf("The course has been chosen successfully...\n");
course[student[i].cou3].source--;
}
else
{
printf("There is no quota left.\n");
printf("The course choosing failed...\n");
student[i].cou3=-1;
}
sleep(1);
goto StuMenu2;
break;
}
default:
printf("Back to Student Menu...\n");
sleep(1);
goto StuMenu2;
}
break;
case '3':
printf("***********************COURSE DELETING MENU************************\n");
printf("1.Delete your first course\n");
printf("2.Delete your second course\n");
printf("3.Delete your third course\n");
printf("Other:Back to the Student Menu...\n");
printf("Please input your choice:");
char choice8;
fflush(stdin);//此处清空缓冲区，不然scanf归西
scanf("%c",&choice8);
switch(choice8)
{
case '1':
student[i].cou1=-1;
course[student[i].cou1].source++;
printf("The course has been deleted successfully...\n");
sleep(1);
goto StuMenu2;
break;
case '2':
student[i].cou2=-1;
course[student[i].cou2].source++;
printf("The course has been deleted successfully...\n");
sleep(1);
goto StuMenu2;
break;
case '3':
student[i].cou3=-1;
course[student[i].cou3].source++;
printf("The course has been deleted successfully...\n");
sleep(1);
goto StuMenu2;
break;
default:
printf("Back to Student Menu...\n");
sleep(1);
goto StuMenu2;
}
break;
default:
FILE *fp=fopen(buffer2,"w");
fprintf(fp,"%d\n",course_tot);
for(int j=0;j<course_tot;j++)
{
fprintf(fp,"%s %d %s %d %d\n",course[j].name,course[j].cap,course[j].major,course[j].status,course[j].source);
}
course_tot=-1;
fclose(fp);
FILE *fp1=fopen(buffer3,"w");
fprintf(fp1,"%d\n",student_tot);
for(int j=0;j<student_tot;j++)
{