151 lines
4.2 KiB
C++
151 lines
4.2 KiB
C++
#include <iostream>
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#include <cstring>
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#include <fstream>
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#include "Books.h"
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using namespace std;
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//全局变量
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string ID_Value; //存储新建账户名
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string ID[5]; //存储ID列表
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int ID_flag; //存储ID操作序号
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fstream file; //文件对象
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void launch(); //声明RUNTIME函数
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void ID_OUT()
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{
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file.open("ID.txt", ios::out);
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if (!file)
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{
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cerr << "未检测到账户列表文件ID.txt！保存失败。" << endl;
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exit(1);
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}
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for (int i = 0; i < 5; i++)
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file << ID[i] << endl;
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file.close();
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}
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void ID_IN()
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{
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file.open("ID.txt", ios::in);
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if (!file)
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{
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cerr << "未检测到预置账户列表文件ID.txt，请查看源代码末端的注释，现已使用默认测试账户登录。" << endl;
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ID_Value = "超级管理员";
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launch();
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}
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for (int i = 0; i < 5; i++)
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file >> ID[i];
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file.close();
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}
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void ID_Switch()
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{
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ID_IN();
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for (int i = 0; i < 5; i++)
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cout << i + 1 << "\t" << ID[i] << endl;
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cout << "请选择要登录的账户："; cin >> ID_flag;
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if (ID_flag == 5 && ID[ID_flag-1] == "选此项以新建账户")
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{
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string tmp;
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cout << "请输入新账户的ID："; cin >> tmp;
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ID[4] = ID_Value = tmp;
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cout << "新建账户成功并已写入账户列表！您现在拥有所有权限。" << endl;
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ID_OUT();
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}
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else if (ID_flag < 1 || ID_flag>5)
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{
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cerr << "该账户不存在！程序将退出。" << endl;
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abort();
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}
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else ID_Value = ID[ID_flag - 1];
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cout << "-----------------------------------------------" << endl;
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}
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void fileOut()
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{
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file.open("书籍.txt", ios::out);
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file<<"ISBN\t\t" << setw(25) << "书名" << setw(20) << "作者" << setw(15) << "价格" << setw(15) << "库存" << endl;
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for (int i = 0; i < Bcount; i++) file << Books[i];
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file.close();
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file.open("期刊.txt", ios::out);
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cout.setf(ios_base::left);
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file << "ISBN\t\t" << setw(25) << "期刊名" << setw(20) << "出版社" << setw(20) << "价格" << setw(15) << "库存" << endl;
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for (int i = 0; i < Jcount; i++)file << Journals[i];
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cout << "已成功输出为'书籍.txt'与'期刊.txt'" << endl;
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file.close();
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}
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void welcome()
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{
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cout << "==============================="
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<< endl << setw(30) << "欢迎使用小型书店进销存管理系统"
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<< endl << "==============================="
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<< endl << "注：该程序仅用于江西财经大学张老师《C++程序设计语言》课程之期末综合性实验报告，作者：刘燕、李溦、钟琳"
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<< endl << "-----------------------------------------------"
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<< endl << "预置账户列表：" << endl;
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ID_Switch();
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launch();
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}
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void launch()
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{
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Admin admin(ID_Value);
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int select = 1;
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while (select)
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{
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cout << setw(20) << "————————————————" << endl
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<< "当前用户：" << admin.getID() << endl
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<< "1.查看当前库存" << endl
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<< "2.增加书刊信息" << endl
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<< "3.修改书刊信息" << endl
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<< "4.删除书刊信息" << endl
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<< "5.增加书刊库存" << endl
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<< "6.书刊销售系统" << endl
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<< "7.当前财务统计" << endl
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<< "8.更改管理员ID" << endl
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<< "9.切换登录账户" << endl
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<< "10.将库存信息输出至文件" << endl
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<< "0.退出书店系统" << endl
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<< setw(20) << "————————————————" << endl;
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cout << "请输入操作序号：";
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cin >> select;
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if (select < 0 || select >10)
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{
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cerr << "非法值，请重新输入。" << endl;
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continue;
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}
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else
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{
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switch (select)
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{
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case 1: admin.printAll(); continue;
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case 2: admin.AddBook(); continue;
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case 3: admin.modify();continue;
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case 4: admin.DelBook(); continue;
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case 5: admin.inStock(); continue;
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case 6: admin.outStock(); continue;
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case 7: admin.statics(); continue;
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case 8:
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{
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string id;
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cout << "输入目标ID：";
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cin >> id;
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admin.changeID(id);
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ID[ID_flag - 1] = id;
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cout << "更改成功！当前ID为" << id << endl;
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ID_OUT();
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continue;
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}
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case 9: system("cls"); welcome(); break;
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case 10: fileOut(); continue;
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case 0: break;
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}
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}
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}
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}
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int main()
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{
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welcome();
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return 0;
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} |