C++图书管理系统源文件.rar

#include "process.h" #include <iostream> #include <exception> #include <Windows.h> #include <algorithm> //默认构造函数--初始化 Process::Process() { fineBase = 0; maxLendDays = 7; maxLendNumStu = 5; maxLendNumTea = 10; valid = false; } //是否有效 bool Process::getValid() { return valid; } //读取所有文件 void Process::readAllFiles() { readBookFile(); readPeopleFile(); readBorrowFile(); readParameterFile(); } //所有操作 void Process::allMenu() { system("cls"); cout << endl << "---------------图书信息管理系统---------------" << endl; cout << "1. 图书管理" << endl; cout << "2. 借阅管理" << endl; cout << "3. 读者管理" << endl; cout << "4. 统计分析" << endl; cout << "5. 系统参数" << endl; cout << "6. 关于我们" << endl; cout << "7. 退出系统" << endl; cout << "----------------------------------------------" << endl; cout << "请选择功能："; char choice; cin >> choice; switch (choice) { case '1': if (!input()) { cout << "密码错误！" << endl; system("pause"); return allMenu(); } manageBooks(); break; case '2': manageBorrows(); break; case '3': if (!input()) { cout << "密码错误！" << endl; system("pause"); return allMenu(); } managePeople(); break; case '4': analysis(); break; case '5': if (!input()) { cout << "密码错误！" << endl; system("pause"); return allMenu(); } setParameters(); break; case '6': about(); break; case '7': exit(0); default: cout << "输入错误！" << endl; char buf[1024]; fgets(buf, 1024, stdin); system("pause"); return allMenu(); } cout << endl; system("pause"); allMenu(); } //图书信息管理 void Process::manageBooks() { char buf[1024]; //fgets(buf, 1024, stdin); system("cls"); cout << endl << "---------------图书管理---------------" << endl; cout << "1. 添加图书" << endl; cout << "2. 删除图书" << endl; cout << "3. 修改图书" << endl; cout << "4. 查询图书" << endl; cout << "5. 返回上层菜单" << endl; cout << "------------------------------------------" << endl; cout << "请选择功能："; char choice; cin >> choice; switch (choice) { case '1': if (!addBook()) { cout << endl << "已成功添加。" << endl; } else { cout << endl << "已取消添加。" << endl; } break; case '2': deleteBook(); break; case '3': reviseBook(); break; case '4': searchBook(); break; case '5': return allMenu(); default: cout << endl << "输入有误！" << endl; fgets(buf, 1024, stdin); break; } cout << endl; system("pause"); manageBooks(); } //借阅管理 void Process::manageBorrows() { system("cls"); cout << endl << "---------------图书管理---------------" << endl; cout << "1. 借书" << endl; cout << "2. 还书" << endl; cout << "3. 续借" << endl; cout << "4. 返回上层" << endl; cout << "------------------------------------------" << endl; cout << "请选择功能："; char choice; cin >> choice; switch (choice) { case '1': addBorrow(); break; case '2': deleteBorrow(); break; case '3': renewBorrow(); break; case '4': return allMenu(); default: cout << endl << "输入有误！" << endl; char buf[1024]; fgets(buf, 1024, stdin); break; } cout << endl; system("pause"); manageBorrows(); } //读者管理 void Process::managePeople() { system("cls"); cout << endl << "-----------------读者管理-----------------" << endl; cout << "1. 读者录入" << endl; cout << "2. 读者挂失" << endl; cout << "3. 读者注销" << endl; cout << "4. 读者查询" << endl; cout << "5. 设定教师的可借书数量" << endl; cout << "6. 设定学生的可借书数量" << endl; cout << "7. 返回上层菜单" << endl; cout << "------------------------------------------" << endl; cout << "请选择功能："; char choice; cin >> choice; switch (choice) { case '1': addPeople(); break; case '2': losePeople(); break; case '3': deletePeople(); break; case '4': searchPeople(); break; case '5': setMaxLendNumTea(); break; case '6': setMaxLendNumStu(); break; case '7': return allMenu(); default: cout << endl << "输入有误！" << endl; char buf[1024]; fgets(buf, 1024, stdin); break; } cout << endl; system("pause"); fflush(stdin); managePeople(); } //统计分析 void Process::analysis() { system("cls"); cout << endl << "-----------------统计分析-----------------" << endl; cout << "1. 借阅排行榜" << endl; cout << "2. 图书统计" << endl; cout << "3. 到期未还书信息" << endl; cout << "4. 返回上层菜单" << endl; cout << "------------------------------------------" << endl; cout << "请选择功能："; char choice; cin >> choice; switch (choice) { case '1': rankBoard(); break; case '2': statusAnalysis(); break; case '3': allNotReturning(); break; case '4': return allMenu(); default: cout << endl << "输入有误！" << endl; char buf[1024]; fgets(buf, 1024, stdin); break; } cout << endl; system("pause"); analysis(); } //系统参数设置 void Process::setParameters() { system("cls"); cout << endl << "---------------系统参数设置---------------" << endl; cout << "1. 设置罚款金额基数" << endl; cout << "2. 设置最多借阅天数" << endl; cout << "3. 返回上层菜单" << endl; cout << "------------------------------------------" << endl; cout << "请选择功能："; char choice; cin >> choice; switch (choice) { case '1': setFineBase(); break; case '2': setMaxLendDays(); break; case '3': return allMenu(); default: cout << endl << "输入有误！" << endl; char buf[1024]; fgets(buf, 1024, stdin); break; } cout << endl; system("pause"); setParameters(); } //关于 void Process::about() { system("cls"); cout << endl << "---------------关于---------------" << endl; cout << "程序名称：南昌大学图书信息管理系统" << endl; cout << "版本：1.1.2" << endl; cout << "完成时间：2019年6月13日" << endl; cout << "姓名：简程涛" << endl; cout << "班级：软件工程1808班" << endl; cout << "学号：8002118220" << endl; cout << "----------------------------------" << endl; system("pause"); allMenu(); } //日期是否有效 bool Process::isValidDate(string str) const { //年月日之间没有'-'，不合法 if (str.size() != 10 || str[4] != '-' || str[7] != '-') { return false; } int year = getYear(str); //年份在2019以后，不合法 if (year > 2019) { return false; } int month = getMonth(str); //月份不合法 if (month < 1 || month > 12) { return false; } int day = getDay(str); //日不合法 if (day < 1 || day > 31) { return false; } //1,3,5,7,8,10,12不是31天，不合法 if (day == 31) { if (month != 1 && month != 3 && month != 5 && month != 7 && month != 8 && month != 10 && month != 12) { return false; } } //2月有30天不合法 else if (day == 30) { if (month == 2) { return false; } } //非闰年2月29天，不合法 else if (day == 29 && month == 2) { if (!isLeap(year)) { return false; } } return true; } //判断闰年 bool Process::isLeap(int year) const { //闰年判断条件 if ((year % 4 == 0 && year % 100 != 0) || year % 400 == 0) { return true; } else { return false; } } //获得年 int Process::getYear(string str) const { if (str.size() != 10 || str[4] != '-' || str[7] != '-') { return 0; } int year = 0; for (int i = 0; i <= 3; i++) { if (str[i] >= '0' && str[i] <= '9') { year = year * 10 + str[i] - '0'; } else { return 0; } } return year; } //获得月 int Process::getMonth(string str) const { if (str.size() != 10 || str[4] != '-' || str[7] != '-') { return 0; } int month = 0; for (int i = 5; i <= 6; i++) { if (str[i] >= '0' && str[i] <= '9') { month = month * 10 + str[i] - '0'; } else { return 0; } }