temp_surface.c

图书管理系统

                                                                                if(no==1)
                                                                                        goto loop4;
                                                                                if(no==2)
                                                                                        goto loop3;
                                                                                break;
                                                                        }
                                                                case 3: {
                                                                                printf("Please input book writer:");
                                                                                scanf("%s",bwriter);
                                                                                q=find_book_writer(bookbt,bwriter);
                                                                                if(q==NULL)
                                                                                        printf("Sorroy it isn't exist.\n");
                                                                                else
                                                                                        printf("%d %s %s %d",q->bnum,q->bname,q->bwriter,q->bprice);
                                                                                printf("1.Go 2.Return.\n");
                                                                                scanf("%d",&no);
                                                                                if(no==1)
                                                                                        goto loop4;
                                                                                if(no==2)
                                                                                        goto loop3;
                                                                                break;
                                                                        }
                                                                case 4:{
                                                                        goto loop3;
                                                                        break;
                                                                }

                                                        }
                                                }
                                        case 3: {
                                                        pi=find_bb_bnum(bbbt,idnum);
                                                        q=find_book_num(bookbt,pi->bnum);
                                                        if(pi==NULL)
                                                                printf("Sorroy it isn'n exist.\n");
                                                        else
                                                                printf("%d %s %s %d",q->bnum,q->bname,q->bwriter,q->bprice);
                                                        printf("1.Go 2.Return.\n");
                                                        scanf("%d",&no);
                                                        if(no==1)
                                                                goto loop4;
                                                        if(no==2)
                                                                goto loop3;
                                                        break;
                                                }
                                        case 4: {
                                                        printf("Pleasse input your old password.\n");
                                                        scanf("%d",&password);
                                                        p=find_stu_num(stubt,idnum);
                                                        if(password==p->password) {
                                                                printf("Pleasse input your old password.\n");
                                                                scanf("%d",&password);
                                                                p=find_stu_num(stubt,idnum);
                                                                if(password==p->password) {
                                                                        printf("Pleasse input your new password.\n");
                                                                        scanf("%d",&newpassword1);
                                                                        printf("Pleasse input your new password.\n");
                                                                        scanf("%d",&newpassword2);
                                                                        if(newpassword1==newpassword2) {
                                                                                printf("Are you sure to change your password?Y/N\n");
                                                                                if(getchar()=='Y')
                                                                                        stu_update(user.id,NULL,NULL,NULL,&newpassword1,NULL);
                                                                                else
                                                                                        goto loop4;
                                                                        } else {
                                                                                printf("Pleasse input your new password.\n");
                                                                                scanf("%d",&newpassword1);
                                                                                printf("Pleasse input your new password.\n");
                                                                                scanf("%d",&newpassword2);
                                                                                if(newpassword1==newpassword2) {
                                                                                        printf("Are you sure to change your password?Y/N\n");
                                                                                        if(getchar()=='Y')
                                                                                                stu_update(user.id,NULL,NULL,NULL,&newpassword1,NULL);
                                                                                        else
                                                                                                goto loop4;
                                                                                } else {
                                                                                        printf("Sorroy error.\n");
                                                                                        goto loop4;
                                                                                }
                                                                        }
                                                                }
                                                        }

                                                }
                                        case 5:
                                                goto loop1;
                                                break;
                                        default :
                                                break;
                                        }
                                }
                        }
                }
//                if(strcmp(id,"teacher")==0) {
//                        int flag2=1;
                        struct teacher *teacher1;
//                        printf("Please input your num:\n");
//                        scanf("%d",idnum);
//                        teacher1=findteacher(teacherbt,idnum);
//                        if(teacher1==NULL) {
//                                printf("Sorroy your number is wrong.\n");
//                                goto loop1;
//                        } else {
//                                printf("Please input your password:\n");
//                                scanf("%d",&password);
//                                p=findteacher(teacherbt,idnum);
//                                if(password==p->password)
//                                        goto loop3;
//                                if(password!=p->password) {
//                                        printf("Please input your password:\n");
//                                        scanf("%d",&password0);
//                                        teacher=findteacher(teacherbt,idnum);
//                                        if(password0==(teacher->password))
//                                                goto loop3;
//                                        if(password0!=(teacher->password)) {
//                                                printf("Please input your password:\n");
//                                                scanf("%d",&password);
//                                                p=findteacher(teacherbt,idnum);
//                                                if(password0==(teacher->password))
//                                                        goto loop3;
//                                                else {
//                                                        printf("Sorroy you cann't in.\n");
//                                                        goto loop1;
//                                                }
//                                        }
//                                }
loop2: 	{
                                        printf("Please input your command:\n1.inseart.\n2.delete.\n3.stu_update.\n4.return.\n");
                                        scanf("%d",&no);
                                        switch(no) {
                                        case 1: {
loop5: 			  {
                                                                printf("Please input your which case:\n1.student.\n2.book.\n3.borrow book.\n4.return.\n");
                                                                scanf("%d",&no);
                                                                switch(no) {
                                                                case 1: {
                                                                                printf("Please input your student's number,password,name,age,address\n ");
                                                                                scanf("%d%d%s%d%s",&num,&password,name,&age,addr);
                                                                                inputstu(num,password,name,age,addr);
                                                                                printf("1.Go 2.Return.\n");
                                                                                scanf("%d",&no);
                                                                                if(no==1)
                                                                                        goto loop4;
                                                                                if(no==2)