c语言学生选修系统,C语言学生选课系统(代码).doc

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#include

#include

#include

int N1,N2;

struct student

{

int num2;

char name2[20];

int nelenum[50]; //所选课程编号

int nelen; //所选课程学分和

struct student * next;

};

struct course

{

int num1; //课程编号

char name1[20];

char major[20];

char type[20];

int credit;

int period;

char teacher[20];

int people; //选此门课程的人数

struct course *next; //结构体指针

};

struct course * head1;

struct student * head2;

void zhang() //从键盘录入课程信息

{

struct course *p1,*p2;

N1=0;

p1=p2=(struct course *)malloc(sizeof(struct course));

printf("课程编号\t课程名称\t主修\t课程性质\t学分\t课时\t教师\n");

scanf("%d%s%s%s%d%d%s",&p1->num1,p1->name1,p1->major,p1->type,&p1->credit,&p1->period,p1->teacher);

p1->people=0;

head1=NULL;

while(p1->num1!=0)

{

N1=N1+1;

if(N1==1)head1=p1;

else p2->next=p1;

p2=p1;

p1=(struct course * )malloc(sizeof(struct course));

scanf("%d%s%s%s%d%d%s",&p1->num1,p1->name1,p1->major,p1->type,&p1->credit,&p1->period,p1->teacher);

p1->people=0;

}

p2->next=NULL;

}

void zhang1() //从文件录入课程信息

{

FILE * fp;

char filepath[20];

struct course *p1,*p2;

N1=0;

printf("请输入您要读取的路径:");

getchar();

gets(filepath);

if((fp=fopen(filepath,"r"))==NULL)

{

printf("找不到 %s 文件!\n",filepath);

exit(0);

}

p1=p2=(struct course*)malloc(sizeof(struct course));

fscanf(fp,"%d%s%s%s%d%d%s%d",&p1->num1,p1->name1,p1->major,p1->type,&p1->credit,&p1->period,p1->teacher,&p1->people);

while(!feof(fp))

{

N1=N1+1;

if(N1==1)

head1=p1;

else

p2->next=p1;

p2=p1;

p1=(struct course * )malloc(sizeof(struct course));

fscanf(fp,"%d%s%s%s%d%d%s%d",&p1->num1,p1->name1,p1->major,p1->type,&p1->credit,&p1->period,p1->teacher,&p1->people);

}

p2->next=NULL;

}

void load() //录入课程信息函数

{

int i;

printf("\t\t\t录入