最新学生选课系统源代码

1、#include#includeint N1,N2,kk1,kk2,kk3;struct couse * head1;struct student * head2;struct couse/课程信息结构体int num1;struct student/学生信息结构体int num2;for(kk1=0;kk11100;kk1+)for(kk2=0;kk21200;kk2+)for(kk3=0;kk3num1,p1-name1,&p1-score,&p1-Melepeo);N1=N1+1;if(N1=1)head1=p1;else p2-next=p1;p1=(struct couse * )m

2、alloc(sizeof(struct couse);scanf(%d%s%d%d,&p1-num1,p1-name1,&p1-score,&p1-Melepeo);p1-nelepeo=0;FILE * fp;struct couse *p1,*p2;getchar();gets(filepath);exit(0);head1=NULL;while(!feof(fp)N1=N1+1;if(N1=1)head1=p1;p2=p1;p2-next=NULL;void inputc()/录入课程主函数printf(tttn);scanf(%d,&i);switch(i)void insertc(s

3、truct couse *incouse)/课程管理子函数()p1=head1;p0=incouse;if(head1=NULL)head1=p0;p0-next=NULL;while(p0-num1 p1-num1) & (p1-next!=NULL)if(p0-num1 num1)elseN1=N1+1;struct couse *p1,*p2;if(head1=NULL)p1=head1;p2=p1;p1=p1-next;if(num1=p1-num1)if(p1=head1) head1=p1-next;else p2-next=p1-next;printf(已删除该编号课程!n);N

4、1=N1-1;struct couse * incouse;int i,num1;case(1):incouse=(struct couse *)malloc(sizeof(struct couse);scanf(%d%s%d%d,&incouse-num1,incouse-name1,&incouse-score,&incocase(2):case(3):break;void keyboards()/录入学生信息子函数（从键盘录入）struct student *p1,*p2;printf(t学生姓名n);p1-nelen=0;head2=NULL;while(p1-num2!=0)N2=N

5、2+1;if(N2=1)head2=p1;p2=p1;p1=(struct student * )malloc(sizeof(struct student);p1-nelen=0;p2-next=NULL;int i=0;FILE * fp;char filepath20;struct student *p1,*p2;N2=0;gets(filepath);exit(0);fread(p1,sizeof(struct student),1,fp);head2=NULL;while(!feof(fp)i=0;N2=N2+1;if(N2=1)head2=p1;p2=p1;p1=(struct st

6、udent * )malloc(sizeof(struct student);fread(p1,sizeof(struct student),1,fp);p2-next=NULL;printf(tttn);printf(2.n);printf(3.n);scanf(%d,&i);switch(i)case(2):files();break;case(3):break;p0=incouse;if(head2=NULL)head2=p0;p0-next=NULL;while(p0-num2 p1-num2) & (p1-next!=NULL)if(p0-num2 num2)elseN2=N2+1;

7、void dels(int num2)/学生信息管理子函数（删除学生信息)struct student *p1,*p2;if(head2=NULL)printf(n没有该学生信息,无法删除!n);p1=head2;p2=p1;p1=p1-next;if(num2=p1-num2)if(p1=head2) head2=p1-next;else p2-next=p1-next;printf(已删除该学生信息!n);N2=N2-1;printf(tttn);printf(1.新增学生信息n);printf(2.删除学生信息n);printf(3.n);printf(请选择(13):n);scanf(

8、%d,&i);switch(i)case(1):incouse=(struct student *)malloc(sizeof(struct student);incouse-nelenum0=0;printf(t学生姓名n);scanf(%d%s,&incouse-num2,incouse-name2);inserts(incouse);case(2):case(3):break;scanf(%d,&num1);for(i=0;s-nelenumi!=0;i+);s-nelenumi=num1;(s-nelen)+;p=head1;while(p-num1!=num1) p=p-next;(

9、p-nelepeo)+;scanf(%d,&num2);s=head2;while(s-num2!=num2 & s-next!=NULL) s=s-next;if(s-num2!=num2)c=head1;printf(你的可选课程编号:n);while(c!=NULL)for(t=0,i=0;s-nelenumi!=0;i+)if(c-num1=s-nelenumi) t=1;if(t=0 & (c-nelepeo!=c-Melepeo)c=c-next;if(j=0)printf(你已选完所有课程，无法再多选!n);getchar();e=getchar();i=0;while(e=y)

10、elect(s);printf(y/n)?:n);getchar();e=getchar();printf(请输入你要退掉的课程编号:n);scanf(%d,&num1);p1=head1;for(i=0;p-nelenumi!=num1;i+);p-nelenum-j=0;(p1-nelepeo)-;printf(退课成功!n);printf(请输入学号:n);scanf(%d,&num2);p=head2;while(p-num2!=num2 & p!=NULL) p=p-next;if(p=NULL)printf(,请回主菜单录入信息:n);if(p-nelenum0=0)p0=head

11、1;while(p0-num1!=p-nelenumi) p0=p0-next;f=f+p0-score;getchar();c=getchar();while(c=y)back(p);void elective()/学生选课主函数switch(i)case(1):cheak();break;case(2):hcheak();break;case(3):break;p=head1;p=p-next;printf(%-4d %10s %6dn,p-num2,p-name2,p-nelen);p=p-next;FILE * fp;getchar();gets(filepath);exit(0);p=head1;while(p!=NULL)p=p-next;fclose(fp);printf(课程信息已保存在%s!n,filepath);FILE * fp;getchar();gets(filepath);exit(0);p=head2;while(p!=NULL)fwrite(p,sizeof(struct student),1,fp);p=p-next;fclose(fp);printf(学生信息已保存在%s!n,filepath);void into()/存储信息case(1):intoc();break;case(2):intos();break;case(3):