C专业课程设计程序.docx

#include <iostream>
#include <cstring>
using std::cout;
using std::endl;

class Course{
public:
Course():name(0),next(0){}
Course(char n[]);
~Course(){delete[] name;}
void setName(char n[]);
void setNextCourse(Course* c);
char *getName(){return name;}
Course* getNext(){return next;}
private:
char* name;
Course* next;
};

Course::Course(char n[]){
name=new char[strlen(n)+1];
strcpy(this->name,n);
}

void Course::setName(char n[]){
delete[] name;
this->name=new char[strlen(n)+1];
strcpy(this->name,n);
}

void Course::setNextCourse(Course* c){
this->next=c;
}

class Person{
public:
Person():id(0),name(0),courses(0){}
Person(char i[],char n[]);
~Person();
void setID(char i[]);
void setName(char n[]);
char *getID(){return id;}
char *getName(){return name;}
void addCourses(Course* c);
virtual void display();
protected:
char* id;
char* name;
Course* courses;
};

Person::Person(char i[],char n[]){
this->id=new char[strlen(i)+1];
strcpy(this->id,i);
this->name=new char[strlen(n)+1];
strcpy(this->name,n);
}

void Person::setID(char i[]){
delete[] id;
this->id=new char[strlen(i)+1];
strcpy(this->id,i);
}

Person::~Person(){
Course* c;
while(courses!=0){
c=courses->getNext();
delete courses;
courses=c;
}
delete[] id;
delete[] name;
}

void Person::setName(char n[]){
delete[] name;
this->name=new char[strlen(n)+1];
strcpy(this->name,n);
}

void Person::display(){
cout<<"ID: "<<id<<" Name: "<<name<<" Courses: ";
Course* c=courses;
while(c!=0){
cout<<c->getName()<<" ";
c=c->getNext();
}
cout<<endl;
}

void Person::addCourses(Course* c){
if(courses==0) courses=c;
else{
Course* t=courses;
while(t->getNext()!=0){
t=t->getNext();
}
t->setNextCourse(c);
}
}

class Teacher:public Person{
public:
Teacher():Person(),position(0){}
Teacher(char id[],char name[],char position[]);
Teacher(const Teacher& t);
~Teacher();
void display();
void setPosition(char p[]);
char *getPosition(){return position;}
private:
char* position;
};

Teacher::Teacher(char i[], char n[], char p[]):Person(i,n){
position=new char[strlen(position)+1];
strcpy(this->position,p);
}

Teacher::Teacher(const Teacher& t):Person(){
this->id=new char[strlen(t.id)+1];
strcpy(this->id,t.id);
this->name=new char[strlen(t.name)+1];
strcpy(this->name,t.name);
this->position=new char[strlen(t.position)+1];
strcpy(this->position,t.position);
}

Teacher::~Teacher(){
delete[] position;
}

void Teacher::display(){
cout<<"ID: "<<id<<" Name: "<<name<<" Position: "<<position<<" Courses to teacher: ";
Course* c=courses;
while(c!=0){
cout<<c->getName()<<" ";
c=c->getNext();
}
cout<<endl;
}

void Teacher::setPosition(char p[]){
delete[] position;
this->position=new char[strlen(p)+1];
strcpy(this->position,p);
}

class Postgraduate:public Person{
public:
Postgraduate():Person(){degree=new char[strlen("Postgraduate")+1];strcpy(this->degree,"Postgraduate");}
Postgraduate(char i[],char n[]);
Postgraduate(const Postgraduate& p);
~Postgraduate();
void display();
char *getDegree(){return degree;}
private:
char* degree;
};

Postgraduate::Postgraduate(char i[],char n[]):Person(i,n){
this->degree=new char[strlen("Postgraduate")+1];
strcpy(this->degree,"Postgraduate");
}

Postgraduate::Postgraduate(const Postgraduate& p):Person(){
this->id=new char[strlen(p.id)+1];
strcpy(this->id,p.id);
this->name=new char[strlen(p.name)+1];
strcpy(this->name,p.name);
this->degree=new char[strlen("Postgraduate")+1];
strcpy(this->degree,"Postgraduate");
}

Postgraduate::~Postgraduate(){
delete[] degree;
}

void Postgraduate::display(){
cout<<"ID: "<<id<<" Name: "<<name<<" Degree: "<<degree<<" Courses to study: ";
Course* c=courses;
while(c!=0){
cout<<c->getName()<<" ";
c=c->getNext();
}
cout<<endl;
}

class Undergraduate:public Person{
public:
Undergraduate():Person(){degree=new char[strlen("Undergraduate")+1];strcpy(this->degree,"Undergraduate");}
Undergraduate(char i[],char n[]);
Undergraduate(const Undergraduate& u);
~Undergraduate();
void display();
char *getDegree(){return degree;}
private:
char* degree;
};

Undergraduate::Undergraduate(char i[], char n[]):Person(i,n){
this->degree=new char[strlen("Undergraduate")+1];
strcpy(this->degree,"Undergraduate");
}

Undergraduate::Undergraduate(const Undergraduate& u):Person(){
this->id=new char[strlen(u.id)+1];
strcpy(this->id,u.id);
this->name=new char[strlen(u.name)+1];
strcpy(this->name,u.name);
this->degree=new char[strlen("Undergraduate")+1];
strcpy(this->degree,"Undergraduate");
}

Undergraduate::~Undergraduate(){
delete[] degree;
}

void Undergraduate::display(){
cout<<"ID: "<<id<<" Name: "<<name<<" Degree: "<<degree<<" Courses to study: ";
Course* c=courses;
while(c!=0){
cout<<c->getName()<<" ";
c=c->getNext();
}
cout<<endl;
}

class JuniorCollegeStudent:public Person{
public:
JuniorCollegeStudent():Person(){degree=new char[strlen("Junior college student")+1];strcpy(this->degree,"Junior college student");}
JuniorCollegeStudent(char i[],char n[]);
JuniorCollegeStudent(const JuniorCollegeStudent& j);
~JuniorCollegeStudent();
void display();
char *getDegree(){return degree;}
private:
char* degree;
};

JuniorCollegeStudent::JuniorCollegeStudent(char i[],char n[]):Person(i,n){
this->degree=new char[strlen("Junior college student")+1];
strcpy(this->degree,"Junior college student");
}

JuniorCollegeStudent::JuniorCollegeStudent(const JuniorCollegeStudent& j){
this->id=new char[strlen(j.id)+1];
strcpy(this->id,j.id);
this->name=new char[strlen(j.name)+1];
strcpy(this->name,j.name);
this->degree=new char[strlen("Junior college student")+1];
strcpy(this->degree,"Junior college student");
}

JuniorCollegeStudent::~JuniorCollegeStudent(){
delete[] degree;
}

void JuniorCollegeStudent::display(){
cout<<"ID: "<<id<<" Name: "<<name<<" Degree: "<<degree<<" Courses to study: ";
Course* c=courses;
while(c!=0){
cout<<c->getName()<<" ";
c=c->getNext();
}
cout<<endl;
}

#include<stdio.h>
#include<stdlib.h>
int N1,N2,kk1,kk2,kk3;
struct couse * head1;
struct student * head2;
struct couse//课程信息结构体
{
int num1;
char name1[20];
int score;
int nelepeo;//课程已选人数
int Melepeo;//课程人数上限
struct couse * next;
};
struct student//学生信息结构体
{
int num2;
char name2[20];
int nelenum[50];//已选课程编号
int nelen;//已选课程数量
struct student * next;
};
void Ms()
{
for(kk1=0;kk1<1100;kk1++)
for(kk2=0;kk2<1200;kk2++)
for(kk3=0;kk3<1200;kk3++);
}
void keyboardc()//录入课程子函数(从键盘录入)
{
struct couse *p1,*p2;
N1=0;
p1=p2=(struct couse*)malloc(sizeof(struct couse));
printf("课程编号\t课程名称\t学分\t课程人数上限\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;
else p2->next=p1;
p2=p1;
p1=(struct couse * )malloc(sizeof(struct couse));
scanf("%d%s%d%d",&p1->num1,p1->name1,&p1->score,&p1->Melepeo);
p1->nelepeo=0;
}
p2->next=NULL;
}
void filec()//录入键盘子函数(从文件录入)
{
FILE * fp;
char filepath[20];
struct couse *p1,*p2;
N1=0;
printf("输入要读入文件路径:");
getchar();
gets(filepath);
if((fp=fopen(filepath,"r"))==NULL)
{
printf("找不到%s文件!\n",filepath);
exit(0);
}
p1=p2=(struct couse*)malloc(sizeof(struct couse));
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;
else p2->next=p1;
p2=p1;
p1=(struct couse * )malloc(sizeof(struct couse));
fscanf(fp,"%d%s%d%d%d",&p1->num1,p1->name1,&p1->score,&p1->nelepeo,&p1->Melepeo);
}
p2->next=NULL;
}
void inputc()//录入课程主函数
{
int i;
printf("\t\t\t录入课程信息\n");
printf("\n1.从键盘录入\n");
printf("2.从文件录入\n");
printf("3.返回主菜单\n");
printf("请选择(1~3):\n");
scanf("%d",&i);
switch(i)
{
case(1):keyboardc();break;
case(2):filec();break;
case(3):break;
}
}
void insertc(struct couse *incouse)//课程管理子函数(增加课程)
{
struct couse *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;
else p2->next=p0;
p0->next=p1;
}
else
{
p1->next=p0;
p0->next=NULL;
}
}
N1=N1+1;
}
void delc(int num1)//课程管理子函数(删除课程)
{
struct couse *p1,*p2;
if(head1==NULL)
{
printf("\n没有课程,无法删除!\n");
goto end;
}
p1=head1;
while(num1!=p1->num1 && p1->next!=NULL)
{
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");
N1=N1-1;
}
else printf("无该编号课程!\n");
end:;
}
void managementc()//课程管理主函数
{
struct couse * incouse;
int i,num1;
printf("\t\t\t课程管理\n");
printf("1.新增课程\n");
printf("2.删除课程\n");
printf("3.返回主菜单\n");
printf("请选择(1~3):\n");
scanf("%d",&i);
switch(i)
{
case(1):
{
incouse=(struct couse *)malloc(sizeof(struct couse));
printf("课程编号\t课程名称\t学分\t课程人数上限\n");
scanf("%d%s%d%d",&incouse->num1,incouse->name1,&incouse->score,&incouse->Melepeo);
incouse->nelepeo=0;
insertc(incouse);
break;
}
case(2):
{
printf("请输入要删除课程编号:\n");
scanf("%d",&num1);
delc(num1);
break;
}
case(3):break;
}
}
void keyboards()//录入学生信息子函数（从键盘录入）
{
int i;
struct student *p1,*p2;
N2=0;
p1=p2=(struct student *)malloc(sizeof(struct student));
printf("学生学号\t学生姓名\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;
else p2->next=p1;
p2=p1;
p1=(struct student * )malloc(sizeof(struct student));
scanf("%d%s",&p1->num2,p1->name2);
p1->nelen=0;
for(i=0;i<20;i++) p1->nelenum[i]=0;
}
p2->next=NULL;
}
void files()//录入学生信息子函数（从文件录入）
{
int i=0;
FILE * fp;
char filepath[20];
struct student *p1,*p2;
N2=0;
printf("输入要读入文件路径:");
getchar();
gets(filepath);
if((fp=fopen(filepath,"r"))==NULL)
{
printf("找不到%s文件!\n",filepath);
exit(0);
}
p1=p2=(struct student*)malloc(sizeof(struct student));
fread(p1,sizeof(struct student),1,fp);
head2=NULL;
while(!feof(fp))
{
i=0;
N2=N2+1;
if(N2==1)head2=p1;
else p2->next=p1;
p2=p1;
p1=(struct student * )malloc(sizeof(struct student));
fread(p1,sizeof(struct student),1,fp);
}
p2->next=NULL;
}
void inputs()//录入学生信息主函数
{
int i;
printf("\t\t\t录入学生信息\n");
printf("\n1.从键盘录入\n");
printf("2.从文件录入\n");
printf("3.返回主菜单\n");
printf("请选择(1~3):\n");
scanf("%d",&i);
switch(i)
{
case(1):keyboards();break;
case(2):files();break;
case(3):break;
}
}
void inserts(struct student * incouse)//学生信息管理子函数(填加学生信息)
{
struct student *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;
else p2->next=p0;
p0->next=p1;
}
else
{
p1->next=p0;
p0->next=NULL;
}
}
N2=N2+1;
}
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");
goto end;
}
p1=head2;
while(num2!=p1->num2 && p1->next!=NULL)
{
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;
}
else printf("无该学号学生!\n");
end:;
}
void managements()//学生信息管理主函数
{
struct student * incouse;
int i,num2;
printf("\t\t\t学生信息管理\n");
printf("1.新增学生信息\n");
printf("2.删除学生信息\n");
printf("3.返回主菜单\n");
printf("请选择(1~3):\n");
scanf("%d",&i);
switch(i)
{
case(1):
{
incouse=(struct student *)malloc(sizeof(struct student));
incouse->nelen=0;
incouse->nelenum[0]=0;
printf("学生学号\t学生姓名\n");
scanf("%d%s",&incouse->num2,incouse->name2);
inserts(incouse);
break;
}
case(2):
{
printf("请输入要删除学生学号:\n");
scanf("%d",&num2);
dels(num2);
break;
}
case(3):break;
}
}
void elect(struct student * s)//选课
{
struct couse * p;
int num1,i;
printf("请输入要选课编号:\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)++;
}
void cheak()//学生选课子函数(查询可选课程)
{
char e;
struct couse * c;
struct student * s;
int num2,i,j=0,t=0;
printf("请输入你学号:");
scanf("%d",&num2);
s=head2;
while(s->num2!=num2 && s->next!=NULL) s=s->next;
if(s->num2!=num2)
{
printf("不存在你信息,请进入主菜单录入你信息!\n");
goto end;
}
c=head1;
printf("你可选课程编号:\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("你已选完全部课程，无法再多选!\n");
goto end;
}
printf("选课(y/n)?:\n");
getchar();
e=getchar();
i=0;
while(e=='y')
{
elect(s);
printf("继续选课(y/n)?:\n");
getchar();
e=getchar();
}
end:;
}
void b