How to realize the supermarket Commodity Management system on C++

This article mainly introduces "how C++ realizes the supermarket commodity management system". In the daily operation, I believe that many people have doubts about how C++ realizes the supermarket commodity management system. The editor consulted all kinds of materials and sorted out the simple and easy-to-use operation methods. I hope it will be helpful to answer the doubts about "how C++ realizes the supermarket commodity management system". Next, please follow the editor to study!

Problem description and functional requirements

1. Provide commodity system to add, delete, edit, display and other functions.

two。 Most of the similar systems use structural body array to operate data, and this system uses linked list structure to operate data, which improves the efficiency of data processing.

Code implementation with comments # include # include / / with getch (); below using namespace std;// is the design of the class class commodity {public:char name [20]; char Id [20]; int buy;// purchase price; int sale;// selling price; int amount;// quantity; int sum;// profit Commodity * Next;void Input () {coutname;coutId;coutbuy;coutsale;coutamount;sum= (sale-buy) * amount;} void ReadFile (istream & in) {in > > name > > Id > > sale > > buy > > sum;} void Show () {cout