學生選課系統(tǒng)程序設計

根據自己的需要，自己看著修改一下AA#include<stdio.h>#include<stdlib.h>intN1,N2,kk1,kk2,kk3;structcouse*head1;structstudent*head2;structcouse//課程信息結構體{intnum1;charname1[20];intscore;intnelepeo;//課程已選人數intMelepeo;//課程人數上限structcouse*next;};structstudent〃學生信息結構體{intnum2;charname2[20];intnelenum[50];〃已選課程編號intnelen;〃已選課程數量structstudent*next;};voidMs(){for(kk1=0;kk1<1100;kk1++)for(kk2=0;kk2<1200;kk2++)for(kk3=0;kk3<1200;kk3++);}voidkeyboardc()〃錄入課程子函數(從鍵盤錄入){structcouse*p1,*p2;N1=0;p1=p2=(structcouse*)malloc(sizeof(structcouse));printf("課程編號\t課程名稱\t學分\t課程人數上限\n”)；scanf("%d%s%d%d",&p1->num1,p1->name1,&p1->score,&p1->Melepeo);p1->nelepeo=0;head1=NULL;while(p1->num1!=0)N1=N1+1;if(N1==1)head1=p1;elsep2->next=p1;p2=p1;p1=(structcouse*)malloc(sizeof(structcouse));scanf("%d%s%d%d",&p1->num1,p1->name1,&p1->score,&p1->Melepeo);p1->nelepeo=0;}p2->next=NULL;}voidfilec()〃錄入鍵盤子函數(從文件錄入){FILE*fp;charfilepath[20];structcouse*p1,*p2;N1=0;printf(”輸入要讀入的文件路徑:”)；getchar();gets(filepath)；if((fp=fopen(filepath,"r"))==NULL){printf("找不到％s文件!\n”,filepath);exit(0)；}p1=p2=(structcouse*)malloc(sizeof(structcouse));fscanf(fp,"%d%s%d%d%d",&p1->num1,p1->name1,&p1->score,&p1->nelepeo,&p1->Melepeo);head1=NULL;while(!feof(fp)){N1=N1+1;if(N1==1)head1=p1;elsep2->next=p1;p2=p1;p1=(structcouse*)malloc(sizeof(structcouse));fscanf(fp,"%d%s%d%d%d",&p1->num1,p1->name1,&p1->score,&p1->nelepeo,&p1->Melepeo);}p2->next=NULL;}voidinputc()〃錄入課程主函數inti;printf(”\t\t\t錄入課程信息\n”)；printf("\n1.從鍵盤錄入\n”)；printf("2?從文件錄入\n”)；printf(”3.返回主菜單\n”)；printf("請選擇(1~3):\n”)；scanf("%d",&i)；switch(i){case(1):keyboardc()；break；case(2):filec()；break；case(3):break；}}voidinsertc(structcouse*incouse)//課程管理子函數(增加課程){structcouse*p0,*p1,*p2；p1=head1；p0=incouse；if(head1==NULL){head1=p0；p0->next=NULL；}else{while((p0->num1>p1->num1)&&(p1->next!=NULL)){p2=p1；p1=p1->next；}if(p0->num1<=p1->num1){if(head1==p1)head1=p0；elsep2->next=p0；p0->next=p1；}elsep1->next=p0；p0->next=NULL；}}N1=N1+1;}voiddelc(intnum1)〃課程管理子函數(刪除課程){structcouse*p1,*p2;if(head1==NULL){printf("\n沒有課程，無法刪除!\n");gotoend;}p1=head1;while(num1!=p1->num1&&p1->next!=NULL){p2=p1;p1=p1->next;}if(num1==p1->num1){if(p1==head1)head1=p1->next;elsep2->next=p1->next;printf("已刪除該編號課程!\n”)；N1=N1-1;}elseprintf(”無該編號的課程!\n”)；end:;}voidmanagementc()〃課程管理主函數{structcouse*incouse;inti,num1;printf("\t\t\t課程管理\n”)；printf(”1.新增課程\n”)；printf("2柵0除課程\n”)；printf(”3.返回主菜單\n”)；printf("請選擇(1~3):\n”)；scanf("%d",&i)；switch(i){case(1):incouse=(structcouse*)malloc(sizeof(structcouse));printf(”課程編號\t課程名稱\t學分\t課程人數上限\n”);scanf("%d%s%d%d",&incouse->num1,incouse->name1,&incouse->score,&incouse->Melepeo);incouse->nelepeo=0;insertc(incouse);break;}case(2):{printf(”請輸入要刪除課程的編號:\n");scanf("%d",&num1);delc(num1);break;}case(3):break;}}voidkeyboards。//錄入學生信息子函數(從鍵盤錄入){inti;structstudent*p1,*p2;N2=0;p1=p2=(structstudent*)malloc(sizeof(structstudent));printf(”學生學號\t學生姓名\n”)；scanf("%d%s",&p1->num2,p1->name2);p1->nelen=0;for(i=0;i<20;i++)p1->nelenum[i]=0;head2=NULL;while(p1->num2!=0){N2=N2+1;if(N2==1)head2=p1;elsep2->next=p1;p2=p1;p1=(structstudent*)malloc(sizeof(structstudent));scanf("%d%s",&p1->num2,p1->name2);p1->nelen=0;for(i=0;i<20;i++)p1->nelenum[i]=0;}p2->next=NULL;}voidfiles()〃錄入學生信息子函數(從文件錄入){inti=0;FILE*fp;charfilepath[20];structstudent*p1,*p2;N2=0;printf(”輸入要讀入的文件路徑:”)；getchar();gets(filepath)；if((fp=fopen(filepath,"r"))==NULL){printf("找不到％s文件!\n”,filepath);exit(0)；}p1=p2=(structstudent*)malloc(sizeof(structstudent));fread(p1,sizeof(structstudent),1,fp);head2=NULL;while(!feof(fp)){i=0;N2=N2+1;if(N2==1)head2=p1;elsep2->next=p1;p2=p1;p1=(structstudent*)malloc(sizeof(structstudent));fread(p1,sizeof(structstudent),1,fp);}p2->next=NULL;}voidinputs()〃錄入學生信息主函數{inti;printf("\t\t\t錄入學生信息\n”)；printf("\n1.從鍵盤錄入\n”)；printf("2?從文件錄入\n”)；printf(”3.返回主菜單\n”)；printf("請選擇(1~3):\n”)；scanf("%d",&i)；switch(i)case(1):keyboards();break;case(2):files();break;case(3):break;}}voidinserts(structstudent*incouse)//學生信息管理子函數(填加學生信息){structstudent*p0,*p1,*p2;p1=head2;p0=incouse;if(head2==NULL){head2=p0;p0->next=NULL;}else{while((p0->num2>p1->num2)&&(p1->next!=NULL)){p2=p1;p1=p1->next;}if(p0->num2<=p1->num2){if(head2==p1)head2=p0;elsep2->next=p0;p0->next=p1;}else{p1->next=p0;p0->next=NULL;}}N2=N2+1;}voiddels(intnum2)〃學生信息管理子函數(刪除學生信息){structstudent*p1,*p2;if(head2==NULL)printf("\n沒有該學生信息，無法刪除!\n");gotoend;}p1=head2;while(num2!=p1->num2&&p1->next!=NULL){p2=p1;p1=p1->next;}if(num2==p1->num2){if(p1==head2)head2=p1->next;elsep2->next=p1->next;printf("已刪除該學生信息!\n");N2=N2-1;}elseprintf(”無該學號的學生!\n”)；end:;}voidmanagements()〃學生信息管理主函數{structstudent*incouse;inti,num2;printf("\t\t\t學生信息管理\n");printf("1.新增學生信息\n”)；printf("2柵0除學生信息\n”)；printf(”3.返回主菜單\n”)；printf("請選擇(1~3):\n”)；scanf("%d",&i)；switch(i){case(1):{incouse=(structstudent*)malloc(sizeof(structstudent))；incouse->nelen=0；incouse->nelenum[0]=0；printf(”學生學號\t學生姓名\n”)；scanf("%d%s",&incouse->num2,incouse->name2)；inserts(incouse)；break；}case(2):{printf(”請輸入要刪除學生的學號:\n”)；scanf("%d",&num2);dels(num2)；break；}case(3):break；}}voidelect(structstudent*s)〃選課{structcouse*p；intnum1,i；printf(”請輸入要選課的編號:\n");scanf("%d",&num1)；for(i=0;s->nelenum[i]!=0;i++);s->nelenum[i]=num1;(s->nelen)++;p=head1;while(p->num1!=num1)p=p->next;(p->nelepeo)++;}voidcheak()〃學生選課子函數(查詢可選課程){chare;structcouse*c;structstudent*s;intnum2,i,j=0,t=0;printf("請輸入你的學號:”)；scanf("%d",&num2);s=head2;while(s->num2!=num2&&s->next!=NULL)s=s->next;if(s->num2!=num2){printf("不存在你的信息，請進入主菜單錄入你的信息!\n");gotoend;}c=head1;printf(”你的可選課程編號:\n");while(c!=NULL)for(t=0,i=0;s->nelenum[i]!=0;i++){if(c->num1==s->nelenum[i])t=1;}if(t==0&&(c->nelepeo!=c->Melepeo)){printf("%d\n",c->num1);j++;}c=c->next;}if(j==0){printf(”你已選完所有課程，無法再多選!\n”)；gotoend;}printf(”選課(y/n)?:\n”)；getchar()；e=getchar()；i=0；while(e=='y'){elect(s)；printf("繼續(xù)選課(y/n)?:\n”)；getchar()；e=getchar()；}end:；}voidback(structstudent*p)〃退課{structcouse*p1；intnum1,i,j；printf("請輸入你要退掉的課程編號:\n");scanf("%d",&num1)；p1=head1；while(p1->num1!=num1)p1=p1->next；for(i=0；p->nelenum[i]!=num1；i++)；for(j=i；p->nelenum[j]!=0；j++)p->nelenum[j]=p->nelenum[j+1]；p->nelenum[--j]=0；(p1->nelepeo)--；printf("退課成功!\n”)；}voidhcheak()〃學生選課子函數(查詢已選課程)charc;structcouse*p0;structstudent*p;intnum2,i,f=0;printf(”請輸入學號:\n");scanf("%d",&num2);p=head2;while(p->num2!=num2&&p!=NULL)p=p->next;if(p==NULL){printf(”不存在你的信息，請回主菜單錄入信息:\n");gotoend;}printf("已選課程編號:\n”)；if(p->nelenum[0]==0){printf("你還沒選課!\n”)；gotoend;}for(i=0;p->nelenum[i]!=0;i++){printf("%d\n",p->nelenum[i]);p0=head1;while(p0->num1!=p->nelenum[i])p0=p0->next;f=f+p0->score;}printf("總學分:％d\n",f);printf("是否進行退課(y/n)?”)；getchar();c=getchar();while(c=='y'){back(p);printf("繼續(xù)退課(y/n)?");getchar();c=getchar();(p->nelen)--;}end:;}voidelective。//學生選課主函數inti;printf(”\t\t\t學生選課\n”)；printf("1.查詢可選課程\n”)；printf("2.查詢已選課程\n”)；printf(”3.返回主菜單\n”)；printf("請輸入(1~3):\n");scanf("%d",&i)；switch(i){case(1):cheak()；break；case(2):hcheak()；break；case(3):break；}}voidlistc()〃輸出課程信息{structcouse*p；p=head1；printf("課程編號課程名稱學分課程已選人數課程人數上限\n");while(p!=NULL){printf("%-8d%10s%6d%8d%12d\n",p->num1,p->name1,p->score,p->nelepeo,p->Melepeo)；p=p->next；}}voidlists()〃輸出學生信息{structstudent*p；p=head2；printf("學生學號學生姓名已選課程數量\n");while(p!=NULL){printf("%-4d%10s%6d\n",p->num2,p->name2,p->nelen)；p=p->next；}}voidintoc()〃存儲課程信息{FILE*fp；structcouse*p;charfilepath[30];printf("輸入課程信息要保存的文件路徑:”);getchar();gets(filepath);if((fp=fopen(filepath,"w"))==NULL){printf("\n保存失敗!");exit(0);}p=head1;while(p!=NULL){fprintf(fp,"%d%s%d%d%d\n",p->num1,p->name1,p->score,p->nelepeo,p->Melepeo);p=p->next;}fclose(fp);printf("課程信息已保存在％$中!\n”,filepath);}voidintos()〃存儲學生信息{FILE*fp;structstudent*p;charfilepath[30];printf("輸入學生信息要保存的文件路徑門；getchar();gets(filepath);if((fp=fopen(filepath,"w"))==NULL){printf("\n保存失敗!");exit(0);}p=head2;while(p!=NULL){fwrite(p,sizeof(structstudent),1,fp);p=p->next;}fclose(fp);printf("學生信息已保存在％s中!\n",filepath);}voidinto()〃存儲信息{inti;printf("1.存儲課程信息\n");printf("2?存儲學生信息\n");printf(”3.返回主菜單\n”)；printf("請輸入(1~3)\n");scanf("%d",&i);switch(i){case(1):intoc();break;case(2):intos();break;case(3):break;}}voidstore()〃信息主函數{inti;printf("\t\t系統(tǒng)信息查看及存儲\n");printf("1.查看課程信息\n");printf("2?查看學生信息\n");pr