Book Management system

* * The copyright and version of the Declaration section: *copyright (c) 2013, Yantai University Computer College students *all rights reserved. * File Name: * Author: Shang * Date of Completion: May 23, 2014 * Version number: v0.1 * Description of task and solution: * Input Description: * Description: * Program Input: * Program output: * Problem Analysis: * Algorithm design: * My program: * * * #include &L
t;iostream> #include <cstdlib>//exit (0) #include <string> using namespace std;  void menu ();   Main interface void Bookmenu ();   Lookup interface void Findbook ();   Find book void showbook (int);  Display book information int number=0;  Number of books class book {public:void Addbook ();  Increase the book void Querybyid (int id);   Finds a book void Querybyname (string name) by number;    Find the book void Querybyauthor (string author) by name;   Finds a book void Querybypublisher (string publisher) based on the author;  Find book void Queryaall according to publishing house ();
    Display information for all books int get_id () {return id;
    String Get_name () {return name;
    String Get_author () {return author;
    String Get_publisher () {return publisher;
    Double Get_price () {return price; } private:int Id
    String name;
    string author;
    string publisher;
Double Price;
};
Book b[100];
    void menu () {cout<< "------------------------" <<endl;
    cout<< "-----Book Management System-----" <<endl;
    cout<< "------------------------" <<endl<<endl;
    cout<< "------------------------" <<endl;
    cout<< "----1 Add book----" <<endl;
    cout<< "----2 Find books----" <<endl;
    cout<< "----3 Show all----" <<endl;
    cout<< "----0 exit system----" <<endl;
cout<< "Please enter your choice:";
    } void Showbook (int n) {cout<< "-------------------------------------------------------" <<endl;
    cout<< "book number book name author publishing house price" <<endl;
    cout<<b[n].get_id () << "" <<b[n].get_name ();
    cout<< "" <<b[n].get_author () << "" <<b[n].get_publisher ();
    cout<< "" <<b[n].get_price () <<endl; cout<< "-------------------------------------------------------" <<endl;
    } void Bookmenu () {cout<< "-----------------------" <<endl;
    cout<< "---1 according to book Number---" <<endl;
    cout<< "---2 according to book name---" <<endl;
    cout<< "---3 according to book author---" <<endl;
    cout<< "---4 according to publishing house-----" <<endl;
    cout<< "---5 Return to main Menu-----" <<endl;
cout<< "-----------------------" <<endl;
    } void Findbook () {int id,c;
    String Name,publisher,author;
    cin>>c;
        Switch (c) {case 1:cout<< "Please enter Number:";
        cin>>id;
        B[number].querybyid (ID);
    Break
        Case 2:cout<< "Please enter the title:";
        cin>>name;
        B[number].querybyname (name);
    Break
        Case 3:cout<< "Please input author:";
        cin>>author;
        B[number].querybyauthor (author);
    Break
        Case 4:cout<< "Please input publishing house:";
        cin>>publisher; B[nuMber].querybypublisher (publisher);
    Break
    Case 5://bookmenu ();//This line should not break;
    } void Book::addbook () {cout<< "book Number:";
    cin>>b[number].id;
    cout<< "book Name:";
    cin>>b[number].name;
    cout<< "Author:";
    cin>>b[number].author;
    cout<< "Publishing house:";
    cin>>b[number].publisher;
    cout<< "Price:";
    cin>>b[number].price;
    cout<< "book Add Success" <<endl;
    Showbook (number);
    Number+=1;
    char s;
    cout<< "continue to add books: Yes (y) No (n)";
    cin>>s;
    if (s== ' y ') {book::addbook ();
            } void Book::querybyid (int id) {for (int i=0; i<number; i++) {if (b[i].get_id () ==id) {
        Showbook (i);
        else {cout<< "not the book you're looking for" <<endl;
    } bookmenu ();
Findbook ();
    } void Book::querybyname (string name) {for (int i=0; i<number; i++) {if (B[i].get_name () ==name)    {Showbook (i);
        else {cout<< "not the book you're looking for" <<endl;
    } bookmenu ();
Findbook (); 
        } void Book::querybyauthor (string author) {for (int i=0; i<number; i++) {if (B[i].get_author () ==author)
        {Showbook (i);
        else {cout<< "not the book you're looking for" <<endl;
    } bookmenu ();
Findbook (); } void Book::querybypublisher (string publisher) {for (int i=0; i<number; i++) {if (B[i].get_publisher ()
        ==publisher) {showbook (i);
        else {cout<< "not the book you're looking for" <<endl;
    } bookmenu ();
Findbook ();
    } void Book::queryaall () {for (int i=0; i<number; i++) {showbook (i);
    } bookmenu ();
Findbook ();
    int main () {int C;
        while (7) {menu ();
        cin>>c; if (c==1) {B[number].addbook ();
            else if (c==2) {bookmenu ();
        Findbook ();
        else if (c==3) {b[number].queryaall ();
        else if (c==0) {exit (0);
        } else {menu ();
} return 0; }

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Experience: Finally made out, is to use a little long time.