学生选课系统.doc

#include#include#includetypedef struct subjectsint num1; /char name120; /char kind10; /int stime; /int ttime; /int etime; /int score; /int term; /int yixuan_peo; /int max_peo; /struct subjects *next;SUB;typedef struct studentslong int num2; /char name220; /int yixuan_num50; /int yixuan_shu; /struct students *next;students;SUB *head1;students *head2;int i;void keyboardc()/()SUB *p1,*p2;void intoc();int N1;N1=0;p1=p2=(SUB*)malloc(sizeof(SUB);printf( n);scanf(%d %s %s %d %d %d %d %d %d %d,&p1-num1,p1-name1,p1-kind,&p1-stime,&p1-ttime,&p1-etime,&p1-score,&p1-term,&p1-yixuan_peo,&p1-max_peo);head1=NULL;while(p1-num1!=0)N1=N1+1;if(N1=1)head1=p1;else p2-next=p1;p2=p1;p1=(SUB * )malloc(sizeof(SUB);scanf(%d %s %s %d %d %d %d %d %d %d,&p1-num1,p1-name1,p1-kind,&p1-stime,&p1-ttime,&p1-etime,&p1-score,&p1-term,&p1-yixuan_peo,&p1-max_peo);p2-next=NULL;intoc();void keyboards()/students *p1,*p2;void intos();int N2=0;p1=p2=(students *)malloc(sizeof(students);printf(tn);scanf(%d%s,&p1-num2,p1-name2);p1-yixuan_shu=0;for(i=0;iyixuan_numi=0;head2=NULL;while(p1-num2!=0)N2=N2+1;if(N2=1)head2=p1;else p2-next=p1;p2=p1;p1=(students * )malloc(sizeof(students);scanf(%d%s,&p1-num2,p1-name2);p1-yixuan_shu=0;for(i=0;iyixuan_numi=0;p2-next=NULL;intos();void filein()/FILE * fp;SUB *p1,*p2;int n1=0;char filepath20;printf(:);getchar();gets(filepath);if(fp=fopen(filepath,r)=NULL)printf(%s!n,filepath);exit(0);p1=p2=(SUB*)malloc(sizeof(SUB);fscanf(fp,%d %s %s %d %d %d %d %d %d %d,&p1-num1,p1-name1,p1-kind,&p1-stime,&p1-ttime,&p1-etime,&p1-score,&p1-term,&p1-yixuan_peo,&p1-max_peo);head1=NULL;while(!feof(fp)n1=n1+1;if(n1=1)head1=p1;else p2-next=p1;p2=p1;p1=(SUB* )malloc(sizeof(SUB);fscanf(fp,%d %s %s %d %d %d %d %d %d %d,&p1-num1,p1-name1,p1-kind,&p1-stime,&p1-ttime,&p1-etime,&p1-score,&p1-term,&p1-yixuan_peo,&p1-max_peo);p2-next=NULL;fclose(fp);void fileins()/FILE *fp;students *p1,*p2;char filepath20;int n2=0;printf(:);getchar();gets(filepath);if(fp=fopen(filepath,r)=NULL)printf(%s!n,filepath);exit(0);p1=p2=(students*)malloc(sizeof(students);fread(p1,sizeof(students),1,fp);head2=NULL;while(!feof(fp)n2=n2+1;if(n2=1)head2=p1;else p2-next=p1;p2=p1;p1=(students * )malloc(sizeof(students);fread(p1,sizeof(students),1,fp);p2-next=NULL;fclose(fp);void prin() /SUB *ptr;filein();if(head1=NULL)printf(nnt*NO RECORDS!*n);printf( n);for(ptr=head1;ptr!=NULL;ptr=ptr-next)printf(%5d%12s%9s%9d%9d%11d%11d%7d%8d%8dn,ptr-num1,ptr-name1,ptr-kind,ptr-stime,ptr-ttime,ptr-etime,ptr-score,ptr-term,ptr-yixuan_peo,ptr-max_peo);void input()/int i;printf(tttn);printf(1.n);printf(2.n);printf(3.n);printf(13):n);scanf(%d,&i);switch(i)case(1):filein();printf(n);break;case(2):keyboardc();break;case(3):break;default:printf(!);void inputs()/int i;printf(tttn);printf(1.n);printf(2.n);printf(3.n);printf(13):n);scanf(%d,&i);switch(i)case(1):fileins();printf(n);break;case(2):keyboards();break;case(3):break;default:printf();void search() /SUB *ptr;int a,num;int t=1;char type10;students *ptr1;L1: printf(nntt*n);printf(nttt1-n);printf(nttt2-n);printf(nttt3-n);printf(nttt4-n);printf(nntt*n);printf(nnChoose your number(1-4): bb);scanf(%d,&a);switch(a)case 1:printf(:);scanf(%s,type);printf( n);for(ptr=head1;ptr!=NULL;ptr=ptr-next)if(strcmp(type,ptr-kind)=0)printf(%5d%12s%9s%9d%9d%11d%11d%7d%8d%8dn,ptr-num1,ptr-name1,ptr-kind,ptr-stime,ptr-ttime,ptr-etime,ptr-score,ptr-term,ptr-yixuan_peo,ptr-max_peo);t=0;if(t=1)printf(tn!n);goto L1;case 2:printf(:);scanf(%d,&num);printf( n);for(ptr=head1;ptr!=NULL;ptr=ptr-next)if(ptr-score=num)printf(%5d%12s%9s%9d%9d%11d%11d%7d%8d%8dn,ptr-num1,ptr-name1,ptr-kind,ptr-stime,ptr-ttime,ptr-etime,ptr-score,ptr-term,ptr-yixuan_peo,ptr-max_peo);t=0;if(t=1)printf(tn!n);goto L1;case 3:printf(:);scanf(%d,&num);printf( n);for(ptr1=head2;ptr1!=NULL;ptr1=ptr1-next) if(ptr1-num2=num)printf(%5d%12s%8dn,ptr1-num2,ptr1-name2,ptr1-yixuan_shu);t=0;if(t=1)printf(nt!n);goto L1;case 4:break;void myInsert(SUB* subj) /SUB *ptr,*ptr2;ptr=subj;if(head1=NULL)head1=ptr;head1-next=NULL;elsefor(ptr2=head1;ptr2;ptr2=ptr2-next)if(ptr2-next=NULL)ptr2-next=subj;subj-next=NULL;break;void insert()/SUB *ptr,*subj,*a;int size=sizeof(SUB);char ch,ch1;while(ch!=0)subj=(SUB *)malloc(size);ptr=subj;printf(:n);printf(ntt:);scanf(%d,&subj-num1);printf(ntt:);scanf(%s,&subj-name1);printf(ntt:);scanf(%s,&subj-kind);printf(ntt:);scanf(%d,&subj-stime);printf(ntt:);scanf(%d,&subj-ttime);printf(ntt:);scanf(%d,&subj-etime);printf(ntt:);scanf(%d,&subj-score);printf(ntt:);scanf(%d,&subj-term);printf(ntt:);scanf(%d,&subj-yixuan_peo);printf(ntt:);scanf(%d,&subj-max_peo);myInsert(subj);printf( n);for(a=head1;a!=NULL;a=a-next)printf(%5d%12s%9s%9d%9d%11d%11d%7d%8d%8dn,a-num1,a-name1,a-kind,a-stime,a-ttime,a-etime,a-score,a-term,a-yixuan_peo,a-max_peo);printf(nn);printf(n 0: bb);ch1=getchar(); /CH1subj-termCHCH1ch=getchar();void del() /SUB *p1,*p2;int num;printf(:);scanf(%d,&num);if(head1=NULL)printf(n,!n);goto end;p1=head1;while(num!=p1-num1 & p1-next!=NULL)p2=p1;p1=p1-next;if(num=p1-num1)if(p1=head1) head1=p1-next;free(p1);else p2-next=p1-next;free(p1);printf(!n);else printf(!n);end:;void elect()/ char c;students *s;SUB * p;int n1,n2;printf(:n);scanf(%d,&n1);s=head2;while(s-num2)!=n1)&(s!=NULL)s=s-next;if(s=NULL) printf(n);goto end;L4: printf(:n);scanf(%d,&n2);p=head1;while(p-num1)!=n2)&(p!=NULL)p=p-next;if(p=NULL)printf(n);goto end;if(p-yixuan_peo)=(p-max_peo)printf(n);goto end;for(i=0;s-yixuan_numi!=0;i+);s-yixuan_numi=n2;(s-yixuan_shu)+;(p-yixuan_peo)+;printf(n);printf(y/n)n);getchar();c=getchar();if(c=y)goto L4;end:;void hcheck()/SUB* p0;students * p;int num2,total=0;printf(:n);scanf(%d,&num2);p=head2;while(p-num2)!=num2) & (p!=NULL) p=p-next;if(p=NULL)printf(,:n);goto end;printf(:n);if(p-yixuan_num0)=0)printf(!n);goto end;for(i=0;(p-yixuan_numi)!=0;i+)printf(%dn,p-yixuan_numi);p0=head1;while(p0-num1)!=(p-yixuan_numi) p0=p0-next;total=total+p0-score;printf(:%dn,total);printf(:%dn,p-yixuan_shu);end:;void back()/ SUB *p1;char c;students *p2;int num1,num2,j;printf(:n);scanf(%d,&num2);p2=head2;while(p2-num2)!=num2) & (p2!=NULL) p2=p2-next;if(p2=NULL)printf(n);goto end;L5: printf(:n);scanf(%d,&num1);p1=head1;while(p1-num1!=num1) p1=p1-next;for(i=0;p2-yixuan_numi!=num1;i+);for(j=i;p2-yixuan_numj!=0;j+) p2-yixuan_numj=p2-yixuan_numj+1;p2-yixuan_num-j=0;p2-yixuan_shu-;(p1-yixuan_peo)-;printf(!n);printf(y/n)n);getchar();c=getchar();if(c=y)goto L5;end:;void intoc()/FILE * fp;SUB * p;char filepath30;printf(:);getchar();gets(filepath);if(fp=fopen(filepath,w)=NULL)printf(n!);exit(0);p=head1;while(p!=NULL)fprintf(fp,%d %s %s %d %d %d %d %d %d %dn,p-num1,p-name1,p-kind,p-stime,p-ttime,p-etime,p-score,p-term,p-yixuan_peo,p-max_peo);p=p-next;fclose(fp);printf(%s!n,filepath);void intos()/FILE * fp;students * p;char filepath30;printf(:);getchar();gets(filepath);if(fp=fopen(filepath,w)=NULL)printf(n!);exit(0);p=head2;while(p!=NULL)fwrite(p,sizeof(students),1,fp);p=p-next;fclose(fp);printf(%s!n,filepath);void into()/int i;printf(1.n);printf(2.n);printf(3.n);printf(13)n);scanf(%d,&i);switch(i)case(1):intoc();break;case(2):intos();break;case(3):break;void Mangers()/void Students();int n,flag=0,i=3,w=1;char s8;char password7=12345;doprintf(nnEnter password:);scanf(%s,s);if(strcmp(s,password)=0) /flag=1;break;elseprintf(nnError! You only have %d times! Enter again:n,i-1);i-;while(i0);if(flag=0)printf(you have Enter 3 times!); /3exit(0); /doprintf(nntt*nn);printf(tttt1-n);printf(tttt2-n);printf(tttt3-n);printf(tttt4-n);printf(tttt5-);printf(nntt*n);printf(Chiose your number(1-5): bb);scanf(%d,&n);switch(n)case 1:inputs();break;case 2:input();break;case 3:insert();intoc();break;case 4:del();intoc();break;case 5:w=0;break;default:printf(n:);while(w=1);int x;start:printf(nttt!n);printf(:n);printf(1.n);printf(2.n);printf(3.n);scanf(%d,&x);if(x3)printf(,!n);goto start;switch(x)case 1:Mangers() ;break;case 2:Students();break;case 3:printf(!