C语言实现学生选课系统

2023-08-28 20:33:06 356
本文实例为大家分享了C语言实现学生选课系统的具体代码，供大家参考，具体内容如下
#include
#include
#include
#include

typedefstructcurr
{
charname[20];//课程姓名
intnumber;//课程序号
charteacher[20];//课程教师姓名
inttime;//课程课时
intclassroom;//课程教室
structcurr*next;//链表next
}curr,*pcurr;


typedefstructstu
{
intnumber;//学生序号
charname[20];//学生姓名
charsex[20];//学生性别
structcurr*choices;//学生选课
structstu*next;//链表next
}stu,*pstu;




pcurrcreat_curr(pcurrcurr_head);//创建链表，课程信息
pcurrfind_curr(pcurrcurr_head,intnumber);//查找链表，课程信息
pcurradd_curr(pcurrcurr_head,pcurrnew_curr);//课程信息加入链表
voidout_curr(pcurrcurr_head);//输出课程信息
pcurrdel_curr(pcurrcurr_head,pcurrdel_point);//删除课程信息
pstucreat_stu(pstustu_head);//创建链表，学生信息
pstufind_stu(pstustu_head,intnumber);//查找链表，学生信息
pstuadd_stu(pstustu_head,pstunew_stu);//学生信息，加入链表
voidout_stu(pstustu_head);//输出学生信息
pstudel_stu(pstustu_head,pstudel_point);//删除学生信息
pstuchoice_curr(pstustu_head,intnumber1,pcurrcurr_head);//学生选课信息
voidout_choice(pstustu_head);//输出学生选课信息


voidtitle()
{
printf("\t---------欢迎使用成都信息工程大学--学生选课系统------------\n");
printf("\t---------------------\n");
printf("\t---------1.输入课程信息------------\n");
printf("\t---------2.浏览课程信息------------\n");
printf("\t---------3.删除课程信息------------\n");
printf("\t---------4.输入学生信息------------\n");
printf("\t---------5.浏览学生信息------------\n");
printf("\t---------6.删除学生信息------------\n");
printf("\t---------7.学生选课------------\n");
printf("\t---------8.所有学生选课信息------------\n");
printf("\t---------9.退出程序------------\n");
printf("\t---------------------\n");
printf("\t---------特别鸣谢：网络工程专业刘尚文同学------------\n");
}
intmain()
{
inta,n=0,i;
intnumber=0;
intnumber1=0;
pcurrcurr_head=NULL;
pstustu_head=NULL;
pcurrnew_curr=NULL;
pstunew_stu=NULL;
pcurrdel_point=NULL;
charchoice[20];
do
{
system("cls");
title();
printf("请在1-9中选择:");
scanf("%d",&a);
switch(a){
case1:
system("cls");
new_curr=creat_curr(curr_head);
curr_head=add_curr(curr_head,new_curr);
break;
case2:
system("cls");
printf("\t\t---------全部课程信息------------\n");
printf("\t课程姓名\t课程序号\t课程教师姓名\t课程课时\t课程教室\n");
out_curr(curr_head);
system("pause");
break;
case3:
system("cls");
printf("\t课程姓名\t课程序号\t课程教师姓名\t课程课时\t课程教室\n");
out_curr(curr_head);
printf("请输入打算删除的课程的序号:\n");
scanf("%d",&number);
curr_head=del_curr(curr_head,find_curr(curr_head,number));
printf("删除成功！\n");
system("pause");
break;
case4:
system("cls");
new_stu=creat_stu(stu_head);
stu_head=add_stu(stu_head,new_stu);
break;
case5:
system("cls");
printf("\t\t---------全部学生信息------------\n");
printf("\t学生姓名\t学生学号\t学生性别\n");
out_stu(stu_head);
system("pause");
break;
case6:
system("cls");
printf("请输入打算删除的学生的学号:\n");
scanf("%d",&number);
stu_head=del_stu(stu_head,find_stu(stu_head,number));
printf("删除成功！\n");
system("pause");
break;
case7:
system("cls");
printf("\t学生姓名\t学生学号\t学生性别\n");
out_stu(stu_head);
printf("请输入选课同学学号:");
scanf("%d",&number1);
choice_curr(stu_head,number1,curr_head);
system("pause");
break;
;
case8:
system("cls");
printf("\t\t\t\t---------全部选课信息------------\n");
printf("\n");
printf("\t学生姓名\t学生学号\t学生性别\t课程姓名\t课程序号\t课程教师姓名\t课程课时\t课程教室\n");
out_choice(stu_head);
system("pause");
break;
case9:
return0;
break;
}
}while(a!=0);
return0;
}
//创建链表，课程信息
pcurrcreat_curr(pcurrcurr_head)
{
pcurrnew_curr=(pcurr)malloc(sizeof(curr));
printf("\n");
printf("\t\t---------输入课程信息------------\n");
printf("\n");
printf("请输入课程姓名：");
scanf("%s",new_curr->name);
printf("请输入课程序号：");
scanf("%d",&new_curr->number);
printf("请输入课程教师姓名：");
scanf("%s",new_curr->teacher);
printf("请输入课程课时：");
scanf("%d",&new_curr->time);
printf("请输入课程教室：");
scanf("%d",&new_curr->classroom);
while(find_curr(curr_head,new_curr->number)!=NULL)
{
printf("此序号已经有数据，请重新输入.");
scanf("%d",&new_curr->number);
}
new_curr->next=NULL;
returnnew_curr;
}
//查找链表
pcurrfind_curr(pcurrcurr_head,intnumber)
{
if(curr_head==NULL)
returnNULL;
if(curr_head->number==number)
returncurr_head;
returnfind_curr(curr_head->next,number);
}
//课程信息加入链表
pcurradd_curr(pcurrcurr_head,pcurrnew_curr)
{
if(curr_head==NULL)
returnnew_curr;
new_curr->next=curr_head;
returnnew_curr;
}
//输出课程信息
voidout_curr(pcurrcurr_head)
{
while(curr_head)
{
printf("\t%s\t\t%d\t\t%s\t\t%d\t\t%d\n",curr_head->name,curr_head->number,curr_head->teacher,curr_head->time,curr_head->classroom);
curr_head=curr_head->next;
}
}
//删除课程信息
pcurrdel_curr(pcurrcurr_head,pcurrdel_point)
{
pcurrpoint;
if(del_point==NULL)
{
printf("没有此序号信息，请重新输入!\n");
returncurr_head;
}
point=NULL;
if(del_point==curr_head)
{
point=curr_head->next;
free(curr_head);
returnpoint;
}
point=curr_head;
while(point)
{
if(point->next==del_point)
{
point->next=del_point->next;
free(del_point);
returncurr_head;
}
point=point->next;
}

}
//创建链表，学生信息
pstucreat_stu(pstustu_head)
{
pstunew_stu=(pstu)malloc(sizeof(stu));
printf("\n");
printf("\t\t---------输入学生信息------------\n");
printf("\n");
printf("请输入学生姓名：");
scanf("%s",new_stu->name);
printf("请输入学生学号：");
scanf("%d",&new_stu->number);
printf("请输入学生性别：");
scanf("%s",new_stu->sex);
while(find_stu(stu_head,new_stu->number)!=NULL)
{
printf("此学号已经有数据，请重新输入.");
scanf("%d",&new_stu->number);
}
new_stu->choices=NULL;
new_stu->next=NULL;
returnnew_stu;
}
//查找链表
pstufind_stu(pstustu_head,intnumber)
{
if(stu_head==NULL)
returnNULL;
if(stu_head->number==number)
returnstu_head;
returnfind_stu(stu_head->next,number);
}
//学生信息加入链表
pstuadd_stu(pstustu_head,pstunew_stu)
{
if(stu_head==NULL)
returnnew_stu;
new_stu->next=stu_head;
returnnew_stu;
}
//输出学生信息
voidout_stu(pstustu_head)
{
while(stu_head)
{
printf("\t%s\t\t%d\t\t%s\n",stu_head->name,stu_head->number,stu_head->sex);
stu_head=stu_head->next;
}
}
//删除学生信息
pstudel_stu(pstustu_head,pstudel_point)
{
pstupoint;
if(del_point==NULL)
{
printf("没有此学号信息，请重新输入!\n");
returnstu_head;
}
point=NULL;
if(del_point==stu_head)
{
point=stu_head->next;
free(stu_head);
returnpoint;
}
point=stu_head;
while(point)
{
if(point->next==del_point)
{
point->next=del_point->next;
free(del_point);
returnstu_head;
}
point=point->next;
}

}
//学生选课
pstuchoice_curr(pstustu_head,intnumber1,pcurrcurr_head)
{
intnumber;
pcurrpoint=NULL,point1=NULL;
pcurrchoice_point=NULL;
pstustu_point=find_stu(stu_head,number1);
if(stu_point!=NULL)
{
printf("\t课程姓名\t课程序号\t课程教师姓名\t课程课时\t课程教室\n");
out_curr(curr_head);
printf("请输入所选课程学号：");
scanf("%d",&number);
point=find_curr(curr_head,number);
if(point!=NULL)
{
choice_point=(pcurr)malloc(sizeof(curr));
memcpy(choice_point,point,sizeof(curr));
choice_point->next=NULL;
if(stu_point->choices==NULL)
{
stu_point->choices=choice_point;
}
else
{
choice_point->next=stu_point->choices;
stu_point->choices=choice_point;
}
printf("恭喜你！选课成功！\n");
returnstu_head;
}
else
{
printf("没有所选课程序号！");
returnstu_head;
}
}
else
{
printf("没有所选学生学号！");
returnstu_head;
}
}
//输出学生选课信息
voidout_choice(pstustu_head)
{
pcurrpoint=NULL;
while(stu_head)
{
point=stu_head->choices;
printf("\t%s\t\t%d\t\t%s\n",stu_head->name,stu_head->number,stu_head->sex);
while(point)
{
printf("\t\t\t\t\t\t\t%s\t\t%d\t\t%s\t\t%d\t\t%d\n",point->name,point->number,point->teacher,point->time,point->classroom);
point=point->next;
}
stu_head=stu_head->next;
}
}
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持毛票票。
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C语言实现学生选课系统

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