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发表于 2020-6-29 09:43:00
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下面代码编译通过了，加了main函数- #include<iostream>
- #include<iomanip>
- #include<windows.h>
- #include<conio.h>
- #include<string>
- #include<fstream>
- using namespace std;
- const int Maxbor = 10;//每位读者最多借10本书
- class Reader { //读者类
- int tag;
- int num;
- char mima[6];
- char name[10];
- int borbook[Maxbor];
- public:
- int getnum();
- int gettag();
- char* getname();
- char* getmima();
- void setname(char na[]);
- void delreader();
- void addreader(int n, char* na, char* mi);
- void borrowbook(int bookid);
- int retbook(int bookid);
- void disp();
- };
- char* Reader::getname() { return name; }
- int Reader::gettag() { return tag; }//获取删除符号
- int Reader::getnum() { return num; }//获取读者编号
- char* Reader::getmima() { return mima; }//获取读者的密码
- void Reader::setname(char na[])//设置姓名
- {
- strcpy(name, na);
- }
- void Reader::delreader() { tag = 1; }//删除读者
- void Reader::addreader(int n, char* na, char* mi)//增加读者
- {
- tag = 0;
- num = n;
- strcpy(name, na);
- strcpy(mima, mi);
- for (int i = 0; i < Maxbor; i++) {
- borbook[i] = 0;
- }
- }
- void Reader::borrowbook(int bookid)//借书操作
- {
- for (int i = 0; i < Maxbor; i++)
- {
- if (borbook[i] == bookid)
- {
- borbook[i] = 0;
- return;
- }
- }
- }
- int Reader::retbook(int bookid)//还书操作
- {
- for (int i = 0; i < Maxbor; i++)
- {
- if (borbook[i] == bookid)
- {
- borbook[i] = 0;
- return 1;
- }
- }
- return 0;
- }
- void Reader::disp() {
- cout << endl;
- cout << setw(12) << num << "借书编号：[";
- for (int i = 0; i < Maxbor; i++)
- if (borbook[i] != 0)
- cout << borbook[i] << ';';
- cout << ']' << endl;
- }
- class Book //图书类
- {
- int tag;
- int num;
- char name[10];
- char writer[10];
- char concern[30];
- char Time[10];
- float price;
- int onshelf;
- public:
- char* getname();
- int getnum();
- int getonshelf();
- char* getwriter();
- char* gettime();
- char* getconcern();
- float getprice();
- int gettag();
- void getTime(char time[]);
- void setname(char na[]);
- void delbook();
- int borrowbook();//借书操作
- void retbook();//还书操作
- void disp();//输出图书
- void addbook(int n, char* na, char* wri, char* con, char* tm, float pr);
- };
- char* Book::getname() { return name; }//获取姓名
- int Book::getonshelf() { return onshelf; }
- int Book::getnum() { return num; }//获取图书编号
- char* Book::getwriter() { return writer; } //获取书籍作者
- char* Book::getconcern() { return concern; }//获取书籍出版社
- char* Book::gettime() { return Time; }
- float Book::getprice() { return price; }//获取书籍价格
- int Book::gettag() { return tag; } //获取删除标记
- void Book::setname(char na[]) //设置书名
- {
- strcpy(name, na);
- }
- void Book::getTime(char time[])
- {
- strcpy(Time, time);
- }
- void Book::delbook() { tag = 1; }//删除图书
- void Book::addbook(int n, char* na, char* wri, char* con, char* tm, float pr)//增加图书
- {
- tag = 0;
- num = n;
- strcpy(name, na);
- strcpy(writer, wri);
- strcpy(concern, con);
- strcpy(Time, tm);
- price = pr;
- onshelf = 1;
- }
- int Book::borrowbook()//借书操作
- {
- if (onshelf == 1)
- {
- onshelf = 0;
- return 1;
- }
- return 0;
- }
- void Book::retbook()//还书操作
- {
- onshelf = 1;
- }
- void Book::disp()//输出图书
- {
- cout << setw(6) << num << setw(12) << name << setw(15) << concern << setw(10) << writer << setw(12) << Time << setw(6) << (onshelf == 1 ? "在架" : "已借") << endl;
- }
- class BDatabase //图书库类
- {
- int top;
- Book book[Maxbor];
- public:
- BDatabase();
- void clear();
- int addbook(int n, char* na, char* wri, char* con, char* tm, float pr);
- Book* query(int bookid);
- int qname(char* nm);
- Book* Qname(char* nm);
- int qzuozhe(char* wr);
- Book* Qzuozhe(char* wr);
- int qchuban(char* cb);
- Book* Qchuban(char* cb);
- void bookdata();
- ~BDatabase();
- void disp();
- };
- BDatabase::BDatabase()//构造函数将book.txt读到book[]中
- {
- Book b;
- top = 1;
- fstream file("d:\\book.txt", ios::in);
- for (;;) {
- file.read((char*)& b, sizeof(b));
- if (!file) {
- break;
- }
- top++;
- book[top] = b;
- }
- file.close();
- }
- void BDatabase::clear()//全删
- {
- top = -1;
- }
- int BDatabase::addbook(int n, char* na, char* wri, char* con, char* tm, float pr)//增加图书
- {
- Book* p = query(n);
- if (p == NULL)
- {
- top++;
- book[top].addbook(n, na, wri, con, tm, pr);
- return 1;
- }
- return 0;
- }
- Book* BDatabase::query(int bookid)//查找图书
- {
- for (int i = 0; i <= top; i++) {
- if (book[i].getnum() == bookid && book[i].gettag() == 0) {
- return &book[i];
- }
- }
- return NULL;
- }
- int BDatabase::qname(char* nm)
- {
- int j = 0;
- for (int i = 0; i <= top; i++) {
- if ((strcmp(book[i].getname(),nm) == 0) && book[i].gettag() == 0) {
- j++;
- }
- }
- return j;
- }
- Book* BDatabase::Qname(char* nm)
- {
- int j = 0;
- Book* b = new Book[100];
- for (int i = 0; i <= top; i++) {
- if ((strcmp(book[i].getname(),nm) == 0) && book[i].gettag() == 0) {
- b[j++] = book[i];
- }
- }
- if (j) {
- return b;
- }
- else {
- delete[]b;
- return 0;
- }
- }
- int BDatabase::qzuozhe(char* wr)
- {
- int e = 0;
- for (int i = 0; i <= top; i++) {
- if ((strcmp(book[i].getwriter(),wr) == 0) && book[i].gettag() == 0) {
- e++;
- }
- }
- return e;
- }
- Book* BDatabase::Qzuozhe(char* wr)
- {
- int f = 0;
- Book b[100];
- for (int i = 0; i <= top; i++) {
- if ((strcmp(book[i].getwriter(),wr) == 0) && book[i].gettag() == 0) {
- b[f++] = book[i];
- }
- }
- if (f == 0)
- return NULL;
- else
- return b;
- }
- int BDatabase::qchuban(char* cb)
- {
- int g = 0;
- for (int i = 0; i <= top; i++) {
- if ((strcmp(book[i].getconcern(),cb) == 0) && book[i].gettag() == 0) {
- g++;
- }
- }
- return g;
- }
- Book* BDatabase::Qchuban(char* cb)
- {
- int h = 0;
- Book* b = new Book[100];
- for (int i = 0; i <= top; i++) {
- if ((strcmp(book[i].getconcern(),cb) == 0) && book[i].gettag() == 0) {
- b[h++] = book[i];
- }
- }
- if (h) {
- return b;
- }
- else {
- delete[]b;
- return 0;
- }
- }
- void BDatabase::bookdata()//图书库维护
- {
- int choice = 1;
- char bname[40];
- int bookid;
- char bwriter[15];
- char bconcern[15];
- char btime[15];
- float bprice;
- Book* b;
- int r = 0;
- while (choice)
- {
- cout << endl << endl << endl << endl;
- cout << " --------------------------------- " << endl;
- cout << " -- 图书维护 --" << endl;
- cout << " -- 1.新增 --" << endl;
- cout << " -- 2.删除 --" << endl;
- cout << " -- 3.查找 --" << endl;
- cout << " -- 4.显示 --" << endl;
- cout << " -- 5.全删 --" << endl;
- cout << " -- 0.退出 --" << endl;
- cout << " ----------------------------------" << endl;
- cout << "请选择您将进行的操作：";
- cin >> choice;
- switch (choice) {
- case 1:
- cout << "图书编号：";
- cin >> bookid;
- do
- {
- if (r != 0)
- {
- cout << "该编号错误，请重新输入：";
- cin >> bookid;
- }
- r++;
- if (r == 3)
- break;
- } while (query(bookid) != NULL);
- if (r == 3)
- {
- system("cls");
- break;
- }
- cout << "图书书名：";
- cin >> bname;
- cout << "图书作者：";
- cin >> bwriter;
- cout << "图书出版社：";
- cin >> bconcern;
- cout << "图书出版时间：";
- cin >> btime;
- cout << "图书价格";
- cin >> bprice;
- cout << "图书添加成功" << endl;
- Sleep(1000);
- system("cls");
- addbook(bookid, bname, bwriter, bconcern, btime, bprice);
- break;
- case 2:
- cout << "图书编号：";
- cin >> bookid;
- b = query(bookid);
- if (b == NULL)
- {
- cout << "该图书不在" << endl;
- Sleep(1000);
- system("cls");
- break;
- }
- cout << "已删除" << endl;
- Sleep(1000);
- system("cls");
- b->delbook();
- break;
- case 3:
- cout << "图书编号：";
- cin >> bookid;
- b = query(bookid);
- if (b == NULL)
- {
- cout << "该图书不在" << endl;
- Sleep(1000);
- system("cls");
- break;
- }
- system("cls");
- cout << "所查信息如下：" << endl;
- b->disp();
- break;
- case 4:
- system("cls");
- cout << "所有图书信息如下：" << endl;
- b->disp();
- break;
- case 5:
- clear();
- cout << "所有图书已删除" << endl;
- Sleep(1000);
- system("cls");
- break;
- }
- }
- system("cls");
- }
- void BDatabase::disp()
- {
- Book temp;
- for (int i = 0; i <= top && (book[i].gettag() == 0); i++)
- for (int j = i + 1; j <= top && (book[j].gettag() == 0); j++)
- if (strcmp(book[i].gettime(), book[j].gettime()) < 0)
- {
- temp = book[i];
- book[i] = book[j];
- book[j] = temp;
- }
- for (int x = 0; x <= top && (book[x].gettag() == 0); x++) {
- book[x].disp();
- }
- }
- BDatabase::~BDatabase()//析构函数，将book[]写入book .txt文件中
- {
- fstream file("d:\\book.txt", ios::out);
- for (int i = 0; i <= top; i++) {
- if (book[i].gettag() == 0) {
- file.write((char*)& book[i], sizeof(book[i]));
- }
- }
- file.close();
- }
- class Rdatebase //读者库类
- {
- int top;
- Reader read[Maxbor];//读者记录
- public:
- Rdatebase();
- void disp();
- void clear();
- void addreader(int n, char* na, char* mi);
- Reader* query(int readerid);
- ~Rdatebase();
- void readerdata();
- };
- Rdatebase::Rdatebase()//构造函数，将reader.txt读到read[]中
- {
- Reader s;
- top = -1;
- fstream file("d:\\reader.txt", ios::in);
- for (;;) {
- file.read((char*)& s, sizeof(s));
- if (!file) {
- break;
- }
- top++;
- read[top] = s;
- }
- file.close();
- }
- void Rdatebase::disp() {
- for (int i = 0; i <= top; i++) {
- if (read[i].gettag() == 0) {
- read[i].disp();
- }
- }
- }
- void Rdatebase::clear()
- {
- top = -1;
- }
- void Rdatebase::addreader(int n, char* na, char* mi)
- {
- top++;
- read[top].addreader(n, na, mi);
- }
- Reader* Rdatebase::query(int readerid)
- {
- for (int i = 0; i <= top; i++) {
- if (read[i].getnum() == readerid && read[i].gettag() == 0) {
- return &read[i];
- }
- }
- return NULL;
- }
- Rdatebase::~Rdatebase()//析构函数，将read[]写入read.txt文件中
- {
- fstream file("d:\\reader.txt", ios::out);
- for (int i = 0; i <= top; i++) {
- if (read[i].gettag() == 0) {
- file.write((char*)& read[i], sizeof(read[i]));
- }
- }
- file.close();
- }
- void Rdatebase::readerdata()//读者库维护
- {
- int choice;
- char rname[20];
- int readerid;
- char rmima[6];
- Reader* r;
- while (choice)
- {
- cout << "--------------------------------------" << endl;
- cout << "-- 读者维护 --" << endl;
- cout << "-- 1、新增 --" << endl;
- cout << "-- 2、更改 --" << endl;
- cout << "-- 3、删除 --" << endl;
- cout << "-- 4、查找 --" << endl;
- cout << "-- 5、显示 --" << endl;
- cout << "-- 6、全删 --" << endl;
- cout << "-- 0.退出 --" << endl;
- cout << "--------------------------------------" << endl;
- cout << "请选择" << endl;
- cin >> choice;
- int a = 0;
- int i = 0;
- switch (choice)
- {
- case 0:
- system("cls");
- break;
- case 1:
- cout << "读者编号：";
- cin >> readerid;
- do
- {
- if (a != 0)
- {
- cout << "已存在，请重新输入：";
- cin >> readerid;
- }
- a++;
- } while (query(readerid) != NULL);
- cout << "输入读者密码：";
- for (i; i < 6; i++)
- {
- rmima[i] = getch();
- putch('-');
- }
- cout << endl << "输入读者姓名：";
- cin >> rname;
- cout << "添加成功" << endl;
- addreader(readerid, rname, rmima);
- Sleep(1000);
- system("cls");
- break;
- case 2:
- cout << "读者编号：";
- cin >> readerid;
- r = query(readerid);
- if (r == NULL)
- {
- cout << "该读者不存在" << endl;
- Sleep(1000);
- system("cls");
- break;
- }
- cout << "输入新的读者姓名：";
- cin >> rname;
- cout << "读者更改成功" << endl;
- Sleep(1000);
- system("cls");
- r->setname(rname);
- break;
- case 3:
- cout << "读者编号：";
- cin >> readerid;
- r = query(readerid);
- if (r == NULL)
- {
- cout << "该读者不存在" << endl;
- Sleep(1000);
- system("cls");
- break;
- }
- cout << "读者删除成功" << endl;
- Sleep(1000);
- system("cls");
- r->delreader();
- break;
- case 4:
- cout << "读入读者编号：";
- cin >> readerid;
- r = query(readerid);
- if (r == NULL)
- {
- cout << "该读者不存在" << endl;
- Sleep(1000);
- system("cls");
- break;
- }
- system("cls");
- cout << "您所查找的读者信息如下" << endl;
- r->disp();
- break;
- case 5:
- system("cls");
- cout << "所有读者信息如下" << endl;
- disp();
- break;
- case 6:
- clear();
- cout << "所有读者已删除" << endl;
- Sleep(1000);
- system("cls");
- break;
- }
- }
- }
- int main()
- {
- return 0;
- }
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发表于 2020-6-27 22:35:38