求一个C 的图书销售系统 要求包括子模块有增加图书信息,删除图书信息,修改图书信息
#include #include using namespace std;#include //图书类class CBook{public: int m_ID;//编号 char m_name[200];//书名 float m_price;//价格public: CBook(int _ID,char* _name,float _price = 0。 0f);public: void Display();//输出};CBook::CBook(int _ID,char* _name,float _price){ this->m_ID = _ID; strcpy(this->m_name,...全部
#include #include using namespace std;#include //图书类class CBook{public: int m_ID;//编号 char m_name[200];//书名 float m_price;//价格public: CBook(int _ID,char* _name,float _price = 0。
0f);public: void Display();//输出};CBook::CBook(int _ID,char* _name,float _price){ this->m_ID = _ID; strcpy(this->m_name,_name); this->m_price = _price;}void CBook::Display(){ printf("%d %s %。
2f",this->m_ID,this->m_name,this->m_price);}typedef vector BOOKARRAY;//图书管理类class CBookManager{public: BOOKARRAY m_bookarray;//图书集合public: void AddBook(CBook* book);//增加图书 void DeleteBook(int id);//根据编号删除图书 void ModifyBook(CBook* book);//修改图书 void SearchBook(int id);//根据编号查找 void SearchBook(char* name);//根据书名查找 void SearchBook(float price);//根据价格查找};void CBookManager::AddBook(CBook* book){ this->m_bookarray。
push_back(book);}void CBookManager::DeleteBook(int id){ BOOKARRAY::iterator it = this->m_bookarray。
begin(); while (it != this->m_bookarray。end()) { if((*it)->m_ID == id) { this->m_bookarray。erase(it); return; } it; }}void CBookManager::ModifyBook(CBook* book){ int len = this->m_bookarray。
size(); if(len > 0) { for(int i=0;im_bookarray[i]->m_ID == book->m_ID) { strcpy(this->m_bookarray[i]->m_name,book->m_name); this->m_bookarray[i]->m_price = book->m_price; return; } } }}void CBookManager::SearchBook(int id){ int len = this->m_bookarray。
size(); if(len > 0) { for(int i=0;im_bookarray[i]->m_ID == id) { this->m_bookarray[i]->Display(); return; } } }}void CBookManager::SearchBook(char* name){ int len = this->m_bookarray。
size(); if(len > 0) { for(int i=0;im_bookarray[i]->m_name,name) == 0) { this->m_bookarray[i]->Display(); return; } } }}void CBookManager::SearchBook(float price){ int len = this->m_bookarray。
size(); if(len > 0) { for(int i=0;im_bookarray[i]->m_price ==price ) { this->m_bookarray[i]->Display(); return; } } }}int main(){ CBookManager bookmanager; //添加图书 bookmanager。
AddBook(new CBook(1, "猪1",52。4f)); bookmanager。AddBook(new CBook(2, "猪2",40。4f)); bookmanager。AddBook(new CBook(3, "猪3",33。
4f)); bookmanager。AddBook(new CBook(4, "猪4",12。4f)); bookmanager。AddBook(new CBook(15,"猪5",8。4f)); bookmanager。
AddBook(new CBook(16,"猪6",7。4f)); bookmanager。AddBook(new CBook(12,"猪7",99。4f)); bookmanager。AddBook(new CBook(19,"猪9",100。
4f)); int len = bookmanager。m_bookarray。size(); printf("///////////////////////////"); for(int i=0;iDisplay(); } printf("///////////////////////////"); //删除编号为15的图书 bookmanager。
DeleteBook(15); //修改图书 CBook book(3,"羊1",50。2f); bookmanager。ModifyBook(&book); int len2 = bookmanager。
m_bookarray。size(); for(int i=0;iDisplay(); } printf("///////////////////////////"); //查找图书 bookmanager。
SearchBook("羊1"); getchar(); return 0;}。收起
