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Program1224.c
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#include<stdio.h>
#include<string.h>
#include<stdlib.h>
#include<unistd.h>
struct Node0
{
struct Node0 *next;
struct Node0 *front;
char name[109];
int num;
char major[109];
int status;//状态参量 1可用，0不可用
}student[109];
struct Node1
{
struct Node1 *next;
struct Node1 *front;
char name[109];
int cap;
char major[109];
int source;
int status;//状态参量 1可用，0不可用
}course[109];
struct Node2
{
struct Node2 *next;
struct Node2 *front;
int num;
char passwd[109];
int cou1;
int cou2;
int cou3;
int status;//状态参量 1可用，0不可用
}stulog[1009];
char passwd[109];
int student_tot=-1;
int course_tot=-1;
int main()
{
login:
printf("***********************LOGIN************************\n");
int login_temp;
FILE *fp=fopen("/Users/liukaixiang/Desktop/C/C/Login.txt","r");//*相对路径异常*，暂时引用为绝对路径
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("/Users/liukaixiang/Desktop/C/C/Login.txt","w");//*相对路径异常*，暂时引用为绝对路径
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 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("/Users/liukaixiang/Desktop/C/C/Student.txt","r");//*相对路径异常*，暂时引用为绝对路径
fscanf(fp,"%d",&student_tot);
for(int i=0;i<student_tot;i++)
{
fscanf(fp,"%s%d%s%d",student[i].name,&student[i].num,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("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.\n");
scanf("%s%d%s",student[student_tot].name,&student[student_tot].num,student[student_tot].major);
student[student_tot].status=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.\n");
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.\n");
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.\n");
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");
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;
}
default:
FILE *fp=fopen("/Users/liukaixiang/Desktop/C/C/Student.txt","w");//*相对路径异常*，暂时引用为绝对路径
fprintf(fp,"%d\n",student_tot);
for(int i=0;i<student_tot;i++)
{
fprintf(fp,"%s %d %s %d\n",student[i].name,student[i].num,student[i].major,student[i].status);
}
student_tot=-1;
goto AdminMenu;
break;
}
break;
case '2':
if(course_tot==-1)
{
FILE *fp=fopen("/Users/liukaixiang/Desktop/C/C/Course.txt","r");//*相对路径异常*，暂时引用为绝对路径
fscanf(fp,"%d",&course_tot);
for(int i=0;i<course_tot;i++)
{
fscanf(fp,"%s%d%s%d",course[i].name,&course[i].cap,course[i].major,&course[i].status);
}
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("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\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\n",course[i].name,course[i].cap,course[i].major);
}
sleep(1);
goto CourseMenu;
break;
case '2':
printf("Please input the course's name, course's capacity and major.\n");
scanf("%s%d%s",course[course_tot].name,&course[course_tot].cap,course[course_tot].major);
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.\n");
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.\n");
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 and major.\n");
scanf("%d%s",&course[i].cap,course[i].major);
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\n");
printf("%s\t\t\t\t\t%d\t\t\t\t\t%s\n",course[i].name,course[i].cap,course[i].major);
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;
default:
FILE *fp=fopen("/Users/liukaixiang/Desktop/C/C/Course.txt","w");//*相对路径异常*，暂时引用为绝对路径
fprintf(fp,"%d\n",course_tot);
for(int i=0;i<course_tot;i++)
{
fprintf(fp,"%s %d %s %d\n",course[i].name,course[i].cap,course[i].major,course[i].status);
}
course_tot=-1;
fclose(fp);
goto AdminMenu;
break;
}
break;
case '3':
break;
default:
goto login;
}
break;
case '2':
{
StuLogMenu:
printf("***********************STUDENT LOGIN MENU************************\n");
int login_stu;
if(course_tot==-1)
{
FILE *fp=fopen("/Users/liukaixiang/Desktop/C/C/Course.txt","r");//*相对路径异常*，暂时引用为绝对路径
fscanf(fp,"%d",&course_tot);
for(int i=0;i<course_tot;i++)
{
fscanf(fp,"%s%d%s%d",course[i].name,&course[i].cap,course[i].major,&course[i].status);
}
fclose(fp);
}
FILE *fp=fopen("/Users/liukaixiang/Desktop/C/C/StuLog.txt","r");//*相对路径异常*，暂时引用为绝对路径
fscanf(fp,"%d",&login_stu);
for(int i=0;i<login_stu;i++)
{
fflush(stdin);
fscanf(fp,"%d%s%d%d%d",&stulog[i].num,stulog[i].passwd,&stulog[i].cou1,&stulog[i].cou2,&stulog[i].cou3);
}
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<login_stu;i++)
{
if(acc==stulog[i].num)
{
char pwd[109];
printf("Please enter your password:");
fflush(stdin);
scanf("%s",pwd);
if(!strcmp(pwd,stulog[i].passwd))
{
StuMenu:
printf("Login successfully...\n");
sleep(1);
StuMenu2:
printf("***********************STUDENT MENU************************\n");//尚未完成
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(stulog[i].cou1!=-1)
{
printf("%s\t\t",course[stulog[i].cou1].name);
}
else
{
printf("NONE\t\t");
}
if(stulog[i].cou2!=-1)
{
printf("%s\t\t",course[stulog[i].cou2].name);
}
else
{
printf("NONE\t\t");
}
if(stulog[i].cou3!=-1)
{
printf("%s\n",course[stulog[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");
for(int j=0;j<course_tot;j++)
{
if(course[j].status)
{
printf(" %d\t\t\t%s\n",j,course[j].name);
}
}
printf("Please input the course's number which you would like to choose:");
fflush(stdin);
scanf("%d",&stulog[i].cou1);
printf("The course has been chosen successfully...\n");
sleep(1);
goto StuMenu2;
break;
case '2':
printf("Number\t\tName\n");
for(int j=0;j<course_tot;j++)
{
if(course[j].status)
{
printf(" %d\t\t\t%s\n",j,course[j].name);
}
}
printf("Please input the course's number which you would like to choose:");
fflush(stdin);
scanf("%d",&stulog[i].cou2);
printf("The course has been chosen successfully...\n");
sleep(1);
goto StuMenu2;
break;
case '3':
printf("Number\t\tName\n");
for(int j=0;j<course_tot;j++)
{
if(course[j].status)
{
printf(" %d\t\t\t%s\n",j,course[j].name);
}
}
printf("Please input the course's number which you would like to choose:");
fflush(stdin);
scanf("%d",&stulog[i].cou3);
printf("The course has been chosen successfully...\n");
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':
stulog[i].cou1=-1;
printf("The course has been deleted successfully...\n");
sleep(1);
goto StuMenu2;
break;
case '2':
stulog[i].cou2=-1;
printf("The course has been deleted successfully...\n");
sleep(1);
goto StuMenu2;
break;
case '3':
stulog[i].cou3=-1;
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("/Users/liukaixiang/Desktop/C/C/StuLog.txt","w");//*相对路径异常*，暂时引用为绝对路径
fprintf(fp,"%d\n",login_stu);
for(int i=0;i<login_stu;i++)
{
fprintf(fp,"%d %s %d %d %d\n",stulog[i].num,stulog[i].passwd,stulog[i].cou1,stulog[i].cou2,stulog[i].cou3);
}
fclose(fp);
login_stu=-1;
sleep(1);
goto StuLogMenu;
}
}
else
{
printf("You may have 2 more chances to enter the correct password.\n");
printf("Please input the password:");
char pwd2[109];//你输入的密码
fflush(stdin);
scanf("%s",pwd2);
if(strcmp(pwd2,stulog[i].passwd)!=0)
{
printf("You may have 1 more chance to enter the correct password.\n");
printf("Please input the password:");
char pwd3[109];//你输入的密码
fflush(stdin);
scanf("%s",pwd3);
if(strcmp(pwd3,stulog[i].passwd)!=0)
{
printf("Sorry, the program will exit...\n");
return 0;
}
else
{
goto StuMenu;
}
}
else
{
goto StuMenu;
}
}
break;
}
if(i==login_stu-1)
{
printf("Cannot find you in the data base...\n");
printf("Back to Student Login Menu...\n");
sleep(1);
goto StuLogMenu;
}
}
}
case '2':
{
printf("Please input your student number:");
fflush(stdin);
scanf("%d",&stulog[login_stu].num);
printf("Please input your password:");
fflush(stdin);
scanf("%s",stulog[login_stu].passwd);
stulog[login_stu].cou1=-1;
stulog[login_stu].cou2=-1;
stulog[login_stu].cou3=-1;
login_stu++;
FILE *fp=fopen("/Users/liukaixiang/Desktop/C/C/StuLog.txt","w");//*相对路径异常*，暂时引用为绝对路径
fprintf(fp,"%d\n",login_stu);
for(int i=0;i<login_stu;i++)
{
fprintf(fp,"%d %s %d %d %d\n",stulog[i].num,stulog[i].passwd,stulog[i].cou1,stulog[i].cou2,stulog[i].cou3);
}
fclose(fp);
printf("Sign up finished...\n");
sleep(1);
goto StuLogMenu;
}
default:
goto login;
}
}
break;
default:
printf("The program will exit...\n");
return 0;
}
return 0;
}