图书管理系统(客户端)
数据类:

基础类:读者最大借书量、最长借书时间(按天计算)。这两个都是类成员

日期类:包括年月日,重载输入运算符时,要进行数据的合法性检验;重载输出运算符时,按照“年/月/日”形式输出;重载+运算符;

借阅记录类:包括日期、书号、读者学号、类型(借出/还回/续借)、图书类型(基础/文学休闲/专业);

读者类:学号、姓名、专业、班级、已借图书数量;

图书类:书号、书名、作者、出版社、出版日期、图书类型(基础/文学休闲/专业)、馆藏总量、在馆数量;

操作类:

数据成员:图书向量、学生对象,当前日期

成员函数:带学生对象和当前日期的构造函数;
                  按书名、书号、出版社、出版日期查询图书;
                  按书名模糊查询图书;
                  按书名+作者、出版社+作者查询图书;
                  输入起止出版日期,查询指定时间段出版的图书;
                  按书号查询图书借阅情况;
                  按时间段/图书类型查询本人的借阅情况;                        
                  借书(输入书号,如果书库有这本书且本人借阅量不超限,办理借书手续(本人借书量加一、图书在库数量减一),对本人和书生成借阅记录);
                  续借(内容基本同上);
                  还书(内容类似);
                  显示本人的图书借阅信

图书借阅操作类:
数据成员:借阅记录向量
成员函数:
构造函数、读写文件函数、析构函数;
各种查询;
追加记录

#include<iostream>
#include<string>
#include<cstring>
#include<vector>
#include<fstream>
#include<map>
#include<algorithm>
//#include <bits/stdc++.h>using namespace std;//基础类:读者最大借书量、最长借书时间(按天计算)。这两个都是类成员
class Base
{
private:static int book_max;static int day_max;
public:Base(){};~Base();static int get_book_max(){return book_max;}static int get_day_max(){return day_max;}
};int Base::book_max = 20;
int Base::day_max = 60;//日前类:包括年月日,重载输入运算符时,要进行数据的合法性检验;重载输出运算符时,按照“年/月/日”形式输出;重载+运算符
class Date
{
private:int year;int month;int day;
public:friend ostream& operator<<(ostream& out, Date& d);friend istream& operator>>(istream& in, Date& d);Date operator+(int n);bool operator<(const Date& d) const;bool operator==(const Date& d) const;Date(int year, int month, int day = 1);Date();int get_year();int get_month();int get_day();
};int Date::get_year()
{return year;
}int Date::get_month()
{return month;
}
int Date::get_day()
{return day;
}
Date::Date()
{year = 2022;day = 1;month = 1;
}
Date::Date(int year, int month, int day)
{this->year = year;this->month = month;this->day = day;
}
Date Date::operator+(int n)
{int cal[13] = { 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };while (n){if ((year % 4 == 0 && year % 100 != 0) || year % 400 == 0)cal[2] = 29;day++;if (day > cal[month]){day = 1;month++;}if (month > 12){month = 1;year++;}n--;}return *this;
}bool Date::operator<(const Date& d) const
{if (year != d.year) return year <= d.year;else if (month != d.month) return month <= d.month;else return day <= d.day;
}bool Date::operator==(const Date& d) const
{if (year == d.year && month == d.month && day == d.day)return true;return false;
}ostream& operator<<(ostream& out, Date& d)
{out << d.year << "/" << d.month << "/" << d.day;return out;
}istream& operator>>(istream& in, Date& d)
{int cal[13] = { 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };int year, month, day;char op;in >> year >> op >> month >> op >> day;if ((year % 4 == 0 && year % 100 != 0 )|| year % 400 == 0)cal[2] = 29;if (month < 1 || month > 12){return in;}else if (day < 1 || day > cal[month]){return in;}else {d.year = year;d.month = month;d.day = day;}return in;
}//借阅记录类:包括日期、书号、读者学号、类型(借出/还回/续借)、图书类型(基础/文学休闲/专业)class Record
{
private:Date Record_date;string Book_id;string Reader_id;string Record_type;string Book_type;
public:Record(Date Record_date, string Book_id, string Reader_id, string Record_type, string Book_type);Record() {}void set_Record_date(Date Record_date);void set_Book_id(string Book_id);void set_Reader_id(string Reader_id);void set_Record_type(string Record_type);void set_Book_type(string Book_type);Date get_Record_date() { return Record_date; }string get_Book_id();string get_Reader_id();string get_Record_type();string get_Book_type();friend ostream& operator<<(ostream& out, Record& d);friend istream& operator>>(istream& in, Record& d);
};void Record::set_Record_date(Date Record_date)
{this->Record_date = Record_date;
}void Record::set_Book_id(string Book_id)
{this->Book_id = Book_id;
}void Record::set_Reader_id(string Reader_id)
{this->Reader_id = Reader_id;
}void Record::set_Record_type(string Record_type)
{this->Record_type = Record_type;
}void Record::set_Book_type(string Book_type)
{this->Book_type = Book_type;
}string Record::get_Book_id()
{return Book_id;
}string Record::get_Reader_id()
{return Reader_id;
}string Record::get_Record_type()
{return Record_type;
}string Record::get_Book_type()
{return Book_type;
}Record::Record(Date Record_date, string Book_id, string Reader_id, string Record_type, string Book_type)
{this->Record_date = Record_date;this->Book_id = Book_id;this->Reader_id = Reader_id;this->Record_type = Record_type;this->Book_type = Book_type;
}
ostream& operator<<(ostream& out, Record& d)
{out << d.Record_date << " " << d.Book_id << " " << d.Reader_id << " " << d.Record_type << " " << d.Book_type << endl;return out;
}
istream& operator>>(istream& in, Record& d)
{in >> d.Record_date >> d.Book_id >> d.Reader_id >> d.Record_type >> d.Book_type;return in;
}//读者类:学号、姓名、专业、班级、已借图书数量、借阅记录向量
class Reader
{
private:string Reader_id;string Reader_name;string Reader_major;string Reader_class;int Reader_book_num;
public:Reader(string Reader_id, string Reader_name, string Reader_major, string Reader_class, int Reader_book_num);Reader() {}void set_Reader_id(string Reader_id);void set_Reader_name(string Reader_name);void set_Reader_major(string Reader_major);void set_Reader_class(string Reader_class);void set_Reader_book_num(int Reader_book_num);string get_Reader_id();string get_Reader_name();string get_Reader_major();string get_Reader_class();int get_Reader_book_num();friend ostream& operator<<(ostream& out, Reader& r);friend istream& operator>>(istream& in, Reader& r);};Reader::Reader(string Reader_id, string Reader_name, string Reader_major, string Reader_class, int Reader_book_num)
{this->Reader_id = Reader_id;this->Reader_name = Reader_name;this->Reader_major = Reader_major;this->Reader_class = Reader_class;this->Reader_book_num = Reader_book_num;
}void Reader::set_Reader_id(string Reader_id)
{this->Reader_id = Reader_id;
}void Reader::set_Reader_name(string Reader_name)
{this->Reader_name = Reader_name;
}void Reader::set_Reader_major(string Reader_major)
{this->Reader_major = Reader_major;
}void Reader::set_Reader_class(string Reader_class)
{this->Reader_class = Reader_class;
}void Reader::set_Reader_book_num(int Reader_book_num)
{this->Reader_book_num = Reader_book_num;
}string Reader::get_Reader_id()
{return Reader_id;
}string Reader::get_Reader_name()
{return Reader_name;
}string Reader::get_Reader_major()
{return Reader_major;
}string Reader::get_Reader_class()
{return Reader_class;
}int Reader::get_Reader_book_num()
{return Reader_book_num;
}ostream& operator<<(ostream& out, Reader& r)
{out << r.Reader_id << " " << r.Reader_name << " " << r.Reader_major << " " << r.Reader_class << " " << r.Reader_book_num << endl;return out;
}istream& operator>>(istream& in, Reader& r)
{in >> r.Reader_id >> r.Reader_name >> r.Reader_major >> r.Reader_class >> r.Reader_book_num;return in;
}//图书类:书号、书名、作者、出版社、出版日期、图书类型(基础/文学休闲/专业)、馆藏总量、在馆数量
class Book
{
private:string Book_id;string Book_name;string Book_author;string Book_press;Date Book_date;string Book_type;int Book_Lib_sum;int Book_Lib_now;
public:Book() {}Book(string Book_id, string Book_name, string Book_author, string Book_press,Date Book_date, string Book_type, int Book_Lib_sum, int Book_Lib_now);string get_Book_id();string get_Book_name();string get_Book_author();string get_Book_press();Date get_Book_date();string get_Book_type();int get_Book_Lib_sum();int get_Book_Lib_now();void set_Book_id(string Book_id);void set_Book_name(string Book_name);void set_Book_author(string Book_author);void set_Book_press(string Book_press);void set_Book_date(Date Book_date);void set_Book_type(string Book_type);void set_Book_Lib_sum(int Book_Lib_sum);void set_Book_Lib_now(int Book_Lib_now);friend istream& operator >>(istream& in, Book& b);friend ostream& operator <<(ostream& out, Book& b);
};string Book::get_Book_id()
{return Book_id;
}string Book::get_Book_name()
{return Book_name;
}string Book::get_Book_author()
{return Book_author;
}string Book::get_Book_press()
{return Book_press;
}Date Book::get_Book_date()
{return Book_date;
}string Book::get_Book_type()
{return Book_type;
}int Book::get_Book_Lib_sum()
{return Book_Lib_sum;
}int Book::get_Book_Lib_now()
{return Book_Lib_now;
}void Book::set_Book_id(string Book_id)
{this->Book_id = Book_id;
}void Book::set_Book_name(string Book_name)
{this->Book_name = Book_name;
}void Book::set_Book_author(string Book_author)
{this->Book_author = Book_author;
}void Book::set_Book_press(string Book_press)
{this->Book_press = Book_press;
}void Book::set_Book_date(Date Book_date)
{this->Book_date = Book_date;
}void Book::set_Book_type(string Book_type)
{this->Book_type = Book_type;
}void Book::set_Book_Lib_sum(int Book_Lib_sum)
{this->Book_Lib_sum = Book_Lib_sum;
}void Book::set_Book_Lib_now(int Book_Lib_now)
{this->Book_Lib_now = Book_Lib_now;
}Book::Book(string Book_id, string Book_name, string Book_author, string Book_press, Date Book_date,string Book_type, int Book_Lib_sum, int Book_Lib_now)
{this->Book_id = Book_id;this->Book_name = Book_name;this->Book_author = Book_author;this->Book_press = Book_press;this->Book_date = Book_date;this->Book_type = Book_type;this->Book_Lib_sum = Book_Lib_sum;this->Book_Lib_now = Book_Lib_now;
}istream& operator>>(istream& in, Book& b)
{in >> b.Book_id >> b.Book_name >> b.Book_author >> b.Book_press >> b.Book_date >> b.Book_type >> b.Book_Lib_sum>> b.Book_Lib_now;return in;
}
ostream& operator<<(ostream& out, Book& b)
{out << b.Book_id << " " << b.Book_name << " " << b.Book_author << " " << b.Book_press << " " << b.Book_date<< " " << b.Book_type << " " << b.Book_Lib_sum << " " << b.Book_Lib_now << endl;return out;
}//借阅记录操作类
//借阅记录类:包括日期、书号、读者学号、类型(借出/还回/续借)、图书类型(基础/文学休闲/专业)
class Operate_record
{
private:vector<Record> record;multimap<string, int> record_book_id;multimap<string, int> record_reader_id;multimap<Date, int> record_date;
public:~Operate_record(){record_write();}Operate_record(){record_read();}Operate_record(Record r){record.push_back(r);record_read();}void record_read();void record_write();void record_add(Record& r);void selete_record_book_id(string n);void selete_record_reader_id(string n);void selete_record_date(Date& d);void selete_record_date_range(Date& d1, Date& d2);void record_show(Reader reader);};void Operate_record::record_read()
{Record record1;ifstream ifs("2020214380record.txt");if (!ifs)return;while (ifs >> record1){record.push_back(record1);record_book_id.insert(make_pair(record1.get_Book_id(), record.size() - 1));record_reader_id.insert(make_pair(record1.get_Reader_id(), record.size() - 1));record_date.insert(make_pair(record1.get_Record_date(), record.size() - 1));}ifs.close();
}void Operate_record::record_write()
{fstream ofs("2020214380record.txt", ios::out);vector<Record>::iterator it;for (it = record.begin(); it != record.end(); it++){ofs << *it;}ofs.close();
}void Operate_record::record_add(Record& r)
{record.push_back(r);record_book_id.insert(make_pair(r.get_Book_id(), record.size() - 1));record_reader_id.insert(make_pair(r.get_Reader_id(), record.size() - 1));record_date.insert(make_pair(r.get_Record_date(), record.size() - 1));
}void Operate_record::selete_record_book_id(string n)
{multimap<string, int>::iterator i;pair<multimap<string, int>::iterator, multimap<string, int>::iterator> range;range = record_book_id.equal_range(n);for (i = range.first; i != range.second; i++){cout << record[i->second] << endl;}
}void Operate_record::selete_record_reader_id(string n)
{multimap<string, int>::iterator i;pair<multimap<string, int>::iterator, multimap<string, int>::iterator> range;range = record_reader_id.equal_range(n);for (i = range.first; i != range.second; i++){cout << record[i->second] << endl;}
}void Operate_record::selete_record_date_range(Date& d1, Date& d2)
{multimap<Date, int>::iterator it1, it2, it;it1 = record_date.lower_bound(d1);it2 = record_date.upper_bound(d2);for (it = it1; it != it2; it++){cout << record[it->second];}
}void Operate_record::selete_record_date(Date& d)
{multimap<Date, int>::iterator it;pair<multimap<Date, int>::iterator, multimap<Date, int>::iterator> range;range = record_date.equal_range(d);if (range.first == record_date.end()) return;it = range.first;do {cout << record[it->second];} while (it++ != range.second);}void Operate_record::record_show(Reader reader)
{multimap<string, int>::iterator i;for (i = record_reader_id.begin(); i != record_reader_id.end(); i++){if(i->first == reader.get_Reader_id()){cout << record[i->second] << endl;}}
}class Operate_book
{
private:vector<Book> book;multimap<string, int> map_book_id;multimap<string, int> map_book_name;multimap<string, int> map_book_press;multimap<Date, int> map_book_date;multimap<string, int> map_book_author;
public:Operate_book(){book_read();}~Operate_book(){book_write();}Operate_book(Book b){book.push_back(b);book_read();}void book_read();void book_write();int selete_book_id(string n);//书号void selete_book_name(string n);//书名void selete_book_press(string n);//出版社void selete_book_date(Date d);//日期void selete_book_date_range(Date d1, Date d2);void selete_book_name_vague(string n);//按书名模糊查询void selete_book_name_author(string book_name, string author_name);void selete_book_press_author(string book_press, string author_name);void borrow_book(string n, Reader reader, Date date_now);void book_renew(string n, Reader reader, Date date_now);void book_return(string n, Reader reader, Date date_now);};void Operate_book::book_read()
{Book book1;ifstream ifs("2020214380book.txt");if (!ifs)return;while (ifs >> book1){book.push_back(book1);map_book_id.insert(make_pair(book1.get_Book_id(), book.size() - 1));map_book_name.insert(make_pair(book1.get_Book_name(), book.size() - 1));map_book_press.insert(make_pair(book1.get_Book_press(), book.size() - 1));map_book_author.insert(make_pair(book1.get_Book_author(), book.size() - 1));map_book_date.insert(make_pair(book1.get_Book_date(), book.size() - 1));}ifs.close();
}void Operate_book::book_write()
{fstream ofs("2020214380book.txt");vector<Book>::iterator it;for (it = book.begin(); it != book.end(); it++){ofs << *it;}ofs.close();
}int Operate_book::selete_book_id(string n)
{multimap<string, int>::iterator it;it = map_book_id.find(n);if (it == map_book_id.end()){return -1;}else{cout << book[it->second] << endl;return it->second;}
}void Operate_book::selete_book_name(string n)
{multimap<string, int>::iterator i;for (i = map_book_name.begin(); i != map_book_name.end(); i++){if(i->first == n){cout << book[i->second] << endl;}}
}void Operate_book::selete_book_press(string n)
{multimap<string, int>::iterator i;for (i = map_book_press.begin(); i != map_book_press.end(); i++){if(i->first == n){cout << book[i->second] << endl;}}
}void Operate_book::selete_book_date(Date d)
{multimap<Date, int>::iterator i;for (i = map_book_date.begin(); i != map_book_date.end(); i++){if(i->first == d){cout << book[i->second] << endl;}}}void Operate_book::selete_book_name_author(string book_name, string author_name)
{vector<int> book1;vector<int> book2;vector<int> v;multimap<string, int>::iterator it1, it2;for(it1 = map_book_name.begin(); it1 != map_book_name.end(); it1 ++){if(it1->first==book_name){book1.push_back(it1->second);}}for(it2 = map_book_author.begin(); it2 != map_book_author.end(); it2 ++){if(it2->first==author_name){book2.push_back(it2->second);}}set_intersection(book1.begin(), book1.end(), book2.begin(), book2.end(), insert_iterator<vector<int>>(v, v.begin()));vector<int>::iterator it;for(it=v.begin(); it!=v.end(); it++){cout<<book[*it] <<endl;}
}void Operate_book::selete_book_press_author(string book_press, string author_name)
{vector<int> book1;vector<int> book2;vector<int> v;multimap<string, int>::iterator it1, it2;for(it1 = map_book_press.begin(); it1 != map_book_press.end(); it1 ++){if(it1->first==book_press){book1.push_back(it1->second);}}for(it2 = map_book_author.begin(); it2 != map_book_author.end(); it2 ++){if(it2->first==author_name){book2.push_back(it2->second);}}set_intersection(book1.begin(), book1.end(), book2.begin(), book2.end(), insert_iterator<vector<int>>(v, v.begin()));vector<int>::iterator it;for(it=v.begin(); it!=v.end(); it++){cout<<book[*it] <<endl;}
}void Operate_book::borrow_book(string n, Reader reader, Date date_now)
{Operate_record op_record;multimap<string, int>::iterator it;it = map_book_id.find(n);if (it == map_book_id.end())return;else{if(book[it->second].get_Book_Lib_now() > 0 && reader.get_Reader_book_num() < Base::get_book_max()){reader.set_Reader_book_num(reader.get_Reader_book_num() + 1);book[it->second].set_Book_Lib_now(book[it->second].get_Book_Lib_now() - 1);//Date d = date_now + Base::get_day_max();Record r1(date_now, n, reader.get_Reader_id(), "借出", book[it->second].get_Book_type());op_record.record_add(r1);}}
}void Operate_book::book_renew(string n, Reader reader, Date date_now)
{Operate_record op_record;multimap<string, int>::iterator it;it = map_book_id.find(n);if (it == map_book_id.end())return;else{if(book[it->second].get_Book_Lib_now() > 0 && reader.get_Reader_book_num() < Base::get_book_max()){Record r1(date_now, n, reader.get_Reader_id(), "续借", book[it->second].get_Book_type());op_record.record_add(r1);}}
}void Operate_book::book_return(string n, Reader reader, Date date_now)
{Operate_record op_record;multimap<string, int>::iterator it;it = map_book_id.find(n);if (it == map_book_id.end())return;else{reader.set_Reader_book_num(reader.get_Reader_book_num() - 1);book[it->second].set_Book_Lib_now(book[it->second].get_Book_Lib_now() + 1);//Date d = date_now + Base::get_book_max();Record r1(date_now, n, reader.get_Reader_id(), "已还", book[it->second].get_Book_type());op_record.record_add(r1);}
}void Operate_book::selete_book_name_vague(string n)
{vector<Book>::iterator it;for (it = book.begin(); it != book.end(); it ++){if (it->get_Book_name().find(n) != string::npos){cout << *it << endl;}}
}void Operate_book::selete_book_date_range(Date d1, Date d2)
{multimap<Date, int>::iterator itbegin = map_book_date.upper_bound(d1);multimap<Date, int>::iterator itend = map_book_date.lower_bound(d2);if (itbegin == itend){cout << "没找到" << endl;}else{for (multimap<Date, int>::iterator it = itbegin; it != itend; it++){cout <<book[it->second];}}}class Operate
{
private:Reader reader;Date date_now;
public:Operate();~Operate(){}Operate(Reader reader, Date date_now);
};Operate::Operate(Reader reader, Date date_now)
{this->reader = reader;this->date_now = date_now;
}void testDate()
{/*测试日前类:包括年月日,重载输入运算符时,要进行数据的合法性检验;重载输出运算符时,按照“年/月/日”形式输出;重载+运算符;*/Date test1(2007, 4, 29);cout << test1 << endl;test1 = test1 + 365;cout << test1 << endl;cout << endl;
}void testBook()
{// 测试图书类:书号、书名、作者、出版社、出版日期、图书类型(基础/文学休闲/专业)、馆藏总量、在馆数量、借阅记录向量;Book test4;Date test1(2022, 4, 29);Book b1("ISBN 978-5-455-5644-1-65", "数据结构", "严蔚敏", "清华大学出版社", test1, "专业", 10, 1);test4.set_Book_id("87692");test4.set_Book_name("老人与海");test4.set_Book_author("海明威");test4.set_Book_press("吉林出版社");test4.set_Book_date(test1);test4.set_Book_type("文学休闲");test4.set_Book_Lib_sum(10);test4.set_Book_Lib_now(5);cout << b1 << endl;cout << test4 << endl;
}void testRecords()
{// 测试借阅记录类:包括日期、书号、读者学号、类型(借出/还回/续借)、图书类型(基础/文学休闲/专业);Date test1(2022, 4, 29);Record test2;test2.set_Book_id("ISBN 978-7-115-56-033-5");test2.set_Book_type("文学休闲");test2.set_Record_date(test1);test2.set_Reader_id("2019232342");test2.set_Record_type("续借");cout << test2 << endl;
}void testReader()
{//测试 读者类:学号、姓名、专业、班级、已借图书数量、借阅记录向量Reader test1;test1.set_Reader_id("2020214380");test1.set_Reader_name("杨佳辉");test1.set_Reader_major("计算机科学与技术");test1.set_Reader_class("计算机2004");test1.set_Reader_book_num(6);cout << test1 << endl;Reader test2("2020214333", "王明军", "计算机科学与技术", "计算机2004", 5);cout << test2 << endl;}void testRecords_operate()
{Date test01(2018, 8, 1);Date test02(2020, 1, 3);Date test03(2021, 7, 2);Date test04(2021, 3, 4);Record test1(test01, "ISBN-978-7-115-56050-6-1", "2021214096", "续借", "专业");Record test2(test02, "ISBN-978-7-109-24290-6-1", "2021213057", "借出", "专业");Record test3(test03, "ISBN-978-7-109-28070-0-1", "2021213456", "已还", "专业");Record test4(test04, "ISBN-978-986-479-477-5-2", "2021214096", "借出", "专业");Record test5(test04, "ISBN-978-7-115-56050-6-1", "2021214000", "续借", "专业");Operate_record op_record1;op_record1.record_add(test1);op_record1.record_add(test2);op_record1.record_add(test3);op_record1.record_add(test4);op_record1.record_add(test5);op_record1.selete_record_date(test04);//op_record1.record_write();
}void testWork()
{Reader reader1("2020214380", "杨佳辉", "计算机", "2004", 6);Date date1(2022,1,1);Date date2(2018,8,1);Operate op1(reader1, date1);Operate_book op_book;op_book.selete_book_id("ISBN-978-7-169-24290-6");op_book.selete_book_name("骆驼祥子");op_book.selete_book_press("清华大学出版社");op_book.selete_book_date(date2);//op_book.selete_book_name_vague("骆驼");//op_book.selete_book_date_range(date2, date1);//op_book.selete_book_name_author("设计模式", "程杰");//op_book.selete_book_press_author("清华大学出版社", "程杰");op_book.borrow_book("ISBN-978-7-169-24290-6", reader1, date1);op_book.book_return("ISBN-978-6-105-23297-7", reader1, date1);op_book.book_renew("ISBN-976-986-47-437-5", reader1, date1);Operate_record op_record;//op_record.record_show(reader1);}int main()
{//testDate();//testReader();//testBook();//testRecords();//testRecords_operate();testWork();
}

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