前言：
期末前的一个作业，忙了好久才做好，真是要吐了。
下面是个流程图，相关功能我写的还算清晰，最后还加上了按任意键继续的代码和清屏代码。只是，还没有修改商品的功能，做了这些已经快要废了。还有考试，不做了不做了。就先这样子吧。百度的我都快吐了，看代码，查代码，写代码，从这点看出来我以后可能不适合做开发。哈哈。不说了不说了，考试真的慌啊。狗头保命。

代码

//main.cpp #include <iostream> #include <string> #include <fstream> #include <cassert> #include <iomanip> #include <conio.h> using namespace std; //仓库管理员类 class admin { public: admin(); private: string name; }; //仓库货架类 class shelf { public: shelf(); private: admin men;//管理员 string storeNo;//仓库编号 string kinds;//生产产地 string shelfNo;//货架号 }; //electrical class class ele { public: ele(); private: string name;//商品名 double price;//价格 shelf sh;//所属货架 long count;//商品数量 }; //管理(组合类) class mana { public: mana(); char first_face();//首页 void in_storage();//入库 void out_storage();// 出库 void select_ele();//查询 void select_name();//按商品名称查询 void select_price();//按商品价格查询 void select_kind();//按产地查询 void call_break();//商品报损 private: ele aele; shelf ashelf; admin abs; }; //电器类默认构造函数 ele::ele():sh() { name = "xxx";//商品名 price = 0.0;//价格 count = 0;//商品数量 } //仓库货架类默认构造函数 shelf::shelf():men() { storeNo = "xxx";//仓库编号 kinds = "xxx";//生产产地 shelfNo = "xxx";;//货架号 } //仓库管理员类 admin::admin() { name = "xxx"; } //管理类默认构造函数 mana::mana():aele(), ashelf(), abs() { } char mana::first_face() {  cout << endl; cout <<endl <<"tt>>>>>>>>>>>>>>>>超市库存货物管理系统<<<<<<<<<<<<<<<<<<<<tt" <<endl<<"t--------------------------系统菜单显示如下---------------------t" <<endl <<"tt￥￥" <<endl <<"tt￥￥ 1. 商品入库 ￥￥" <<endl <<"tt￥￥ 2. 商品出库 ￥￥" <<endl <<"tt￥￥ 3. 查询统计 ￥￥" <<endl <<"tt￥￥ 4. 商品报损 ￥￥" <<endl <<"tt￥￥ 5. 退出系统 ￥￥" <<endl <<"tt---------------------------------------------------" <<endl <<endl <<"tt"; system("pause"); return getch(); } //入库 void mana::in_storage() {  string name;//商品名 double price;//价格 string storeNo;//仓库编号 string kinds;//生产产地 string shelfNo;//货架号 long count = 0; //商品数量  cout << endl << "商品入库，请输入相关信息 : " << endl << endl ; cout << "t商品名称 : "; cin >> name; cout << endl << "t商品价格 : "; cin >> price; cout << endl << "t商品数量 : "; cin >> count; cout << endl << "t仓库编号 : "; cin >> storeNo; cout << endl << "t生产产地 : "; cin >> kinds; cout << endl << "t货架编号 : " ; cin >> shelfNo;  ofstream storeFile("m0re.txt", ios::app); storeFile << setiosflags(ios::left) << setw(20) << name << " " << setw(15) << price << " " << setw(10) << count << " " << setw(10) << storeNo << " " << setw(20) << kinds << " " << shelfNo << endl; storeFile.close();  cout << endl << endl << "t该商品已经入库......." << endl << endl << "t"; system("pause"); system("cls"); } // 出库 void mana::out_storage() {  string name;//商品名  cout << endl << "t商品出库，输入出库商品信息 : " << endl << endl; cout << "t商品名称 : "; cin >> name;  ifstream storeFile("m0re.txt"); if (!storeFile) { ofstream storeFile1("m0re.txt"); storeFile1.close(); cout << endl << endl << "t仓存为空!!!!" << endl << endl << "t"; system("pause"); system("cls"); return; } bool flag = false; string name1;//商品名 double price1;//价格 string storeNo1;//仓库编号 string kinds1;//生产产地 string shelfNo1;//货架号 long count1 = 0; //商品数量  ofstream tempFile("j4y.txt"); while (storeFile >> name1 >> price1 >> count1 >> storeNo1 >> kinds1 >> shelfNo1) { if (name1==name) flag = true; else { tempFile << setiosflags(ios::left) << setw(20) << name1 << " " << setw(15) << price1 << " " << setw(10) << count1 << " " << setw(10) << storeNo1 << " " << setw(20) << kinds1 << " " << shelfNo1 << endl; } } tempFile.close(); storeFile.close(); if (!flag) { cout << endl << endl << "t仓库中没有这种商品!!!" << endl << endl << "t"; system("pause"); system("cls"); return; }  ofstream storeFile1("m0re.txt"); ifstream tempFile1("j4y.txt"); storeFile1 << tempFile1.rdbuf(); storeFile1.close(); tempFile1.close();  cout << endl << "t这些商品已经出库, 请仔细检查!!!" << endl << endl << "t"; } //查询 void mana::select_ele() { while (1) {   cout << endl << endl; cout << "t=============================================================" << endl << "t|| ||" << endl << "t|| 商 品 查 询 ||" << endl << "t|| ||" << endl << "t|| 1. 按商品名称查询 ||" << endl << "t|| ||" << endl << "t|| 2. 按商品价格查询 ||" << endl << "t|| ||" << endl << "t|| 3. 按产地查询 ||" << endl << "t|| ||" << endl << "t|| 4. 返回 ||" << endl << "t|| ||" << endl << "t=============================================================" << endl << endl << "tt"; char select = getch(); switch (select) { case '1': select_name(); break; case '2': select_price(); break; case '3': select_kind(); break; case '4': return; default: break; } } } //按商品名称查询 void mana::select_name() { cout << endl << "t按商品名查询 : " << endl << endl ; cout << "t输入商品名 : "; string name; cin >> name;  string name1;//商品名 double price1;//价格 string storeNo1;//仓库编号 string kinds1;//生产产地 string shelfNo1;//货架号 long count1 = 0; //商品数量  ifstream storeFile("m0re.txt"); if (!storeFile) { cout << endl << endl << "t对不起，你的库存为空!!!" << endl << endl << "t"; return; } bool flag = false; cout << endl << "商品名 " << "价格 " << "商品数量 " << "仓库编号 " << "生产产地 " << "货架号" << endl << endl; while (storeFile >> name1 >> price1 >> count1 >> storeNo1 >> kinds1 >> shelfNo1) { if (name1 == name) { flag = true; cout << setiosflags(ios::left) << setw(15) << name1 << " " << setw(10) << price1 << " " << setw(10) << count1 << " " << setw(10) << storeNo1 << " " << setw(15) << kinds1 << " " << shelfNo1 << endl; } } storeFile.close(); if (!flag) cout << endl << endl << "对不起，库存中没有这种商品!!!"; cout << endl << endl; system("pause"); system("cls"); } //按商品价格查询 void mana::select_price() {  cout << endl << "t按商品价格查询 : " << endl << endl ; cout << "t输入价格 : "; double price; cin >> price;  string name1;//商品名 double price1;//价格 string storeNo1;//仓库编号 string kinds1;//生产产地 string shelfNo1;//货架号 long count1 = 0; //商品数量  ifstream storeFile("m0re.txt"); if (!storeFile) { cout << endl << endl << "t对不起，你的库存为空!!!" << endl << endl << "t"; return; } bool flag = false; cout << endl << "商品名 " << "价格 " << "商品数量 " << "仓库编号 " << "生产产地 " << "货架号" << endl << endl; while (storeFile >> name1 >> price1 >> count1 >> storeNo1 >> kinds1 >> shelfNo1) { if (price1 == price) { flag = true; cout << setiosflags(ios::left) << setw(15) << name1 << " " << setw(10) << price1 << " " << setw(10) << count1 << " " << setw(10) << storeNo1 << " " << setw(15) << kinds1 << " " << shelfNo1 << endl; } } storeFile.close(); if (!flag) cout << endl << endl << "对不起，库存中没有这个价格的商品!!!"; cout << endl << endl; } //按产地查询 void mana::select_kind() {  cout << endl << "t按生产产地查询 : " << endl << endl ; cout << "t输入产地名 : "; string kinds; cin >> kinds;  string name1;//商品名 double price1;//价格 string storeNo1;//仓库编号 string kinds1;//生产产地 string shelfNo1;//货架号 long count1 = 0; //商品数量  ifstream storeFile("m0re.txt"); if (!storeFile) { cout << endl << endl << "t对不起，你的库存为空!!!" << endl << endl << "t"; return; } bool flag = false; cout << endl << "商品名 " << "价格 " << "商品数量 " << "仓库编号 " << "生产产地 " << "货架号" << endl << endl; while (storeFile >> name1 >> price1 >> count1 >> storeNo1 >> kinds1 >> shelfNo1) { if (kinds1 == kinds) { flag = true; cout << setiosflags(ios::left) << setw(15) << name1 << " " << setw(10) << price1 << " " << setw(10) << count1 << " " << setw(10) << storeNo1 << " " << setw(15) << kinds1 << " " << shelfNo1 << endl; } } storeFile.close(); if (!flag) cout << endl << endl << "对不起，库存中没有这类商品!!!"; cout << endl << endl; } //商品报损 void mana::call_break() {   string name;//商品名  cout << endl << "t商品报损，请输入要报损商品信息 : " << endl << endl; cout << "t商品名称 : "; cin >> name;  ifstream storeFile("m0re.txt"); if (!storeFile) { ofstream storeFile1("m0re.txt"); storeFile1.close(); cout << endl << endl << "t仓存为空!!!!" << endl << endl << "t"; return; } bool flag = false; string name1;//商品名 double price1;//价格 string kinds1;//生产产地 string shelfNo1;//货架号 long count1 = 0; //商品数量  ofstream tempFile("j4y.txt"); string storeNo1;//仓库编号 cout << endl << endl << "你想报损商品信息如下 : " << endl << endl; cout << endl << "商品名 " << "价格 " << "商品数量 " << "仓库编号 " << "生产产地 " << "货架号" << endl << endl; while (storeFile >> name1 >> price1 >> count1 >> storeNo1 >> kinds1 >> shelfNo1) { if (name1==name) { flag = true; cout << setiosflags(ios::left) << setw(15) << name1 << " " << setw(10) << price1 << " " << setw(10) << count1 << " " << setw(10) << storeNo1 << " " << setw(15) << kinds1 << " " << shelfNo1 << endl; shelfNo1 += "(损坏)"; } tempFile << setiosflags(ios::left) << setw(20) << name1 << " " << setw(15) << price1 << " " << setw(10) << count1 << " " << setw(10) << storeNo1 << " " << setw(20) << kinds1 << " " << shelfNo1 << endl; } tempFile.close(); storeFile.close(); if (!flag) { cout << endl << endl << "对不起，仓库中没有这种商品!!!" << endl << endl; return; } ofstream storeFile1("m0re.txt"); ifstream tempFile1("j4y.txt"); storeFile1 << tempFile1.rdbuf(); storeFile1.close(); tempFile1.close();  cout << endl << endl << "这些商品已经损坏，请尽快从仓库中取出!!!" << endl << endl; cout << "报损成功，记录已经更改!!!" << endl << endl ; } int main() { char select; mana men; while (select = men.first_face()) { switch (select) { case '1':  men.in_storage(); break; case '2':  men.out_storage(); break; case '3':  men.select_ele(); break; case '4':  men.call_break(); break; case '5':  cout << "t" << "谢谢使用!!!!" << endl << endl << "tt"; break; default: break; } } return 0; } 

还可以点击这里打包带走
演示图