C/C++辅导 AI Assignment 人写讲解、C/C++讲解c/C++

日期：2018-09-13 01:44

#include<iostream>

#include<cstdio>

#include<string>

using namespace std;

//库存管理，买入本书，借出的本数，借出的时间

class Library{

int book_num; //买入本数

int borrow_num;  // 借出的本数

string borrow_time;//借出的时间

public:

Library();

Library(int book_num,int borrow_num,string borrow_time)

{

this->book_num=book_num;

this->borrow_num=borrow_num;

this->borrow_time=borrow_time;

}

int Getbook_num()

{

return book_num;

}

int Getborrow_num()

{

return borrow_num;

}

string Getborrow_time()

{

return borrow_time;

}

private:

};

//图书管理，书名，出版时间，作者，入库时间，价格

class Book{

private:

   string name; //名称

string press_time; //出版时间

string author; // 作者

string enter_time; //入库时间

double price; //价格

Library L;  //图书馆信息;

   Book* next;

public:

Book();

Book(string name/*名称*/,string press_time/*出版时间*/,string author/*作者*/,string enter_time/*入库时间*/,double price/*价格*/,int book_num/*数量*/,int borrow_num/*借出数*/,string borrow_time/*借出时间*/):L(book_num,borrow_num,borrow_time){

this->name=name;

this->press_time=press_time;

this->author=author;

this->enter_time=enter_time;

this->price=price;

next=NULL;

}

//结尾添加

void setNext(Book *p){next =p;}

Book* Getnext(){

return next;

}

string Getname(){

return name;

}

string Getpress_time(){

return press_time;

}

string Getauthor(){

return author;

}

   string Getenter_time(){

return enter_time;

}

double Getprice(){

return price;

}

void show(){

cout<<"图书馆情况："<<endl;

cout<<"图书馆买入本数："<<L.Getbook_num()<<endl;

cout<<"图书馆借出的本数:"<<L.Getborrow_num()<<endl;

cout<<"图书借出时间："<<L.Getborrow_time()<<endl;

}

};

//链表定义

class Linklist{

private:

Book* head;

public:

Linklist(){head=NULL;}

Linklist(string name,string press_time,string author,string enter_time,double price,int book_num,int borrow_num,string borrow_time){

head=new Book(name,press_time,author,enter_time,price,book_num,borrow_num,borrow_time);

}

void addAtEnd(string name,string press_time,string author,string enter_time,double price,int book_num,int borrow_num,string borrow_time);

void visitAllNode();

void deleteNum(string num);

bool findName(string name);

};

//遍历链表

void Linklist::visitAllNode()

{

Book* p;

p=head;

//输出

if(p==NULL){cout<<"空链表!"<<endl;}

else

{

while(p->Getnext()!=NULL)

{

cout<<"图书情况："<<endl;

cout<<"书名："<<p->Getname()<<endl;

cout<<"出版时间："<<p->Getpress_time()<<endl;

cout<<"作者："<<p->Getauthor()<<endl;

cout<<"入库时间:"<<p->Getenter_time()<<endl;

cout<<"价格："<<p->Getprice()<<endl;

p->show();

cout<<endl;

p=p->Getnext();

}

cout<<"图书情况："<<endl;

cout<<"书名："<<p->Getname()<<endl;

cout<<"出版时间："<<p->Getpress_time()<<endl;

cout<<"作者："<<p->Getauthor()<<endl;

cout<<"入库时间:"<<p->Getenter_time()<<endl;

cout<<"价格："<<p->Getprice()<<endl;

p->show();

}

}

//往链表尾添加节点

void Linklist::addAtEnd(string name,string press_time,string author,string enter_time,double price,int book_num,int borrow_num,string borrow_time){

Book *p=head;

if(head==NULL){ head = new Book(name,press_time,author,enter_time,price,book_num,borrow_num,borrow_time);}

else

{

while(p->Getnext()!=NULL)

{ p= p->Getnext(); }/*用p来指向最后一个节点*/

p->setNext(new Book(name,press_time,author,enter_time,price,book_num,borrow_num,borrow_time));//插入节点

}

}

//删除节点

void Linklist::deleteNum(string num)

{

Book *p=head,*follow=p;

if(p->Getname()== num)//若删除的节点为第1个节点

{

head = p->Getnext();

delete p;

}

else

{

while(p->Getnext()!=NULL && p->Getname()!= num)

{

follow = p;

//follow一直指向p的前一个节点

p = p->Getnext();

}

if(p->Getname() == num)

{

follow->setNext(p->Getnext());

delete p;

}

}

}

//查找节点

bool Linklist::findName(string name){

Book *p =head;

if(p->Getname()== name)

return 1;

else{

while(p->Getnext()!=NULL){

p=p->Getnext();

if(p->Getname()==name)

{

return 1;

break;

}

}

  return 0;

}

}

//主程序

int main(){

   string name; //名称

string press_time; //出版时间

string author; // 作者

string enter_time; //入库时间

double price; //价格

int book_num; //买入本数

int borrow_num;  // 借出的本数

string borrow_time;//借出的时间

char option;

Linklist *pl=NULL;

  while(1)

{

cout<<"1: 创建图书链表链表"<<endl;

cout<<"2: 在链表尾插入新节点"<<endl;

cout<<"3: 查找书名为name的图书："<<endl;

cout<<"4: 删除节点"<<endl;

cout<<"5: 遍历节点"<<endl;

cout<<"0: 退出"<<endl;

cout<<"\n请输入你的选择:";

cin>>option;

switch(option){

case '0':

break;

case '1':

cout<<"请输入第一本图书和图书馆的相关信息节点值："<<endl<<"(名称，出版时间，作者，入库时间，价格，买入本数，借出本书，借出时间）"<<endl;

cin>>name>>press_time>>author>>enter_time>>price>>book_num>>borrow_num>>borrow_time;

pl = new Linklist(name,press_time,author,enter_time,price,book_num,borrow_num,borrow_time);

cout<<endl;

pl->visitAllNode();

break;

case '2':

cout<<"请输入新节点图书和图书馆信息的值:";

cin>>name>>press_time>>author>>enter_time>>price>>book_num>>borrow_num>>borrow_time;

if(pl==NULL)

{

pl = new Linklist(name,press_time,author,enter_time,price,book_num,borrow_num,borrow_time);

}

else

{

pl->addAtEnd(name,press_time,author,enter_time,price,book_num,borrow_num,borrow_time);

}

cout<<endl;

pl->visitAllNode();

break;

case '3':

cout<<"请输入查找的书名，如果找到返回1，否则返回0:";

cin>>name;

cout<<endl;

cout<<"输出查询结果："<<pl->findName(name)<<endl;

break;

case '4':

cout<<"请输入要删除的节点的书名：";

cin>>name;

pl->deleteNum(name);

cout<<endl;

pl->visitAllNode();

break;

case '5':

pl->visitAllNode();

break;

default:

cout<<"你输入错误，请重新输入！"<<endl;

}

if(option == '0' )

break;

}

return 0;

}