#include<fstream>
#include<cstdio>
#include<iostream>
#include<algorithm>
#include<vector>
#include<map>
#include<cstring>
using namespace std;
class time
{
int year, month, day;
public:
time(int x, int y, int z){year = x;month = y;day = z;}
time() {};
void setyear(int x){year = x;}
void setmonth(int x){month = x;}
void setday(int x){day = x;}
int getyear(){return year;}
int getmonth(){return month;}
int getday(){return day;}
void display();
time operator +(int x);
bool operator <(time b);
friend istream & operator >>(istream & is, time &);
friend ostream & operator <<(ostream & os, time &);
time(const time & A)
{
year=A.year;
month=A.month;
day=A.day;
}
};
void time::display()
{
cout<<year<<"年"<<month<<"月 "<<day<<"日"<<endl;
}
time time::operator+(int x)
{
time temp;
for (int i = 1; i <= x; i++)
{
if (day<30)day+=1;
else
{
day=1;
if (month<12)month+=1;
else
{
year++;
month=1;
}
}
}
temp.year=year;
temp.day=day;
temp.month=month;
return temp;
}
bool time::operator < (time b)
{
if (year<b.year)return 1;
if (month<b.month)return 1;
if (day<b.day)return 1;
return 0;
}
istream & operator >>(istream & input,time & A)
{
input >> A.year >> A.month >> A.day;
return input;
}
ostream & operator <<(ostream & output,time & A)
{
output << A.year << "年" << A.month << "月" << A.day<<"日" ;
return output;
}
time t_now;
class record
{
int xuehao;
int no;
time t1;
time t2;
time t3;
int xj;
bool state;
public:
record(int x,time t,int y):xuehao(x),t1(t),no(y){t2=t1+60;xj=0;state=0;}
record(){xj=0;state=0;}
void setrecord(int x,time t,int y)
{
t1=t;
xuehao=x;
no=y;
t2=t1+60;
xj=0;
state=0;
}
int getxuehao(){return xuehao;}
int getno(){return no;}
time gett1(){return t1;}
time gett2(){return t2;}
time gett3(){return t2;}
bool getstate(){return state;}
bool getxujie(){return xj;}
void retbook(time t){state=1;t3=t;}
void xujie(){xj=1;t2=t2+60;}
void display()
{
cout<<xuehao<<"在"<<t1<<"借了书号为"<<no<<"的书。应在"<<t2<<"归还！ ";
if(xj==1)cout<<"续借过一次！ ";
else cout<<"没续借过 ";
if(state==0&&t2<t_now)cout<<" 超时且未归还图书！！ ";
else
if(state==0)cout<<"还未归还书！ ";
else
if(state==1&&t3<t2)cout<<" 已按时归还图书.在"<<t3;
else
cout<<" 超时归还！在"<<t3;
cout<<endl;
}
bool check() //如果有违规记录返回0；没有违规记录就返回1；
{
if(state==0&&t2<t_now) //现在的时间过了还书期限
return 0;
else
if(state==0&&t_now<t2)return 1; //现在的时间还没超过还书期限
else
if(state==1&&t3<t2) //书还了 按时还的。
return 1;
else
if(state==1&&t2<t3) //超时还书
return 0;
else
return 1;
}
friend istream & operator >>(istream & is,record & a)
{
is>>a.xuehao>>a.t1>>a.no>>a.t2>>a.xj>>a.state>>a.t3;
}
friend ostream &operator <<(ostream & os,record & r)
{
os<<r.xuehao<<"在"<<r.t1<<"借了书号为"<<r.no<<"的书。应在"<<r.t2<<"归还！ ";
if(r.xj==1)os<<"续借过一次！ ";
else os<<"没续借过 ";
if(r.state==0&&r.t2<t_now)os<<" 超时且未归还图书！！ ";
else
if(r.state==0)os<<"还未归还书！ ";
else
if(r.state==1&&r.t3<r.t2)os<<" 已按时归还图书.在"<<r.t3;
else
os<<" 超时归还！在"<<r.t3;
os<<endl;
}
};
class book
{
int no,price,state; //书号，价格，有多少本在架
string shuming,chubanshe,zuozheming;
time cbtime; //出版时间d
vector<record>r;
vector<record>::iterator it;
int flag;
public :
book(int x,string y,string z,string b,time t,int p,int s):no(x),shuming(y),chubanshe(z),zuozheming(b),cbtime(t),price(p),state(s) {flag=0;}
book() {flag=0;}
book(int x){no=x;}
void dele(){flag=1;}
void clear(){r.clear();}
void setno(int x){no=x;}
void setshuming(string x){x=shuming;}
void setchubanshe(string x){x=chubanshe;}
void setzuozheming(string x){x=zuozheming;}
void setcbtime(time t){cbtime=t;}
void setprice(int x){price=x;}
void setstate(int x){state=x;}
int getflag(){return flag;}
int getno(){return no;}
string getshuming(){return shuming;}
string getchubanshe(){return chubanshe;}
string getzuozheming(){return zuozheming;}
time getcbtime(){return cbtime;}
int getprice(){return price;}
int getstate(){return state;}
bool operator==(book a){if(a.no==no)return 1;return 0;}
void borrow();
void retbook(time t1);
friend istream & operator >>(istream & is,book &);
friend ostream & operator <<(ostream & os,book &);
void addrecord(int x,int y,time t)
{ record rr(x,t,y);
r.push_back(rr);
}
void addrecord(record rr)
{
r.push_back(rr);
}
void displaybyxuhao(int x);
int check();
void xujie(int x);
};
void book::xujie(int x)
{
int len=r.size();
for(int i=0;i<len;i++)
if(r[i].getxuehao()==x)
r[i].xujie();
}
int book::check()
{
int len=r.size();
for(int i=0;i<len;i++)
if(r[i].check())return 1;
else return 0;
}
void book::displaybyxuhao(int x)
{
for(it=r.begin();it!=r.end();it++)
if((*it).getxuehao()==x)(*it).display();
}
void book::borrow()
{
if(state>=1)state--;
else
cout<<"no book anymore!"<<endl;
}
void book::retbook(time t1)
{
state++;
int len2=r.size();
for(int i=0;i<len2;i++)
if(r[i].getno()==no)r[i].retbook(t1);
}
istream & operator >> (istream & is,book & A)
{
is>>A.no>>A.shuming>>A.zuozheming>>A.chubanshe>>A.cbtime>>A.price>>A.state;
return is;
}
ostream & operator << (ostream & os,book & A)
{
if(A.flag==0)
{
os<<A.no<<" "<<A.shuming<<" "<<A.zuozheming<<" "<<A.chubanshe<<" "<<A.cbtime<<" "<<A.price<<" "<<A.state<<endl;
int len=A.r.size();
os<<"record:"<<endl;
if(len==0)os<<"无记录！"<<endl<<endl;
for(int i=0;i<len;i++)
os<<A.r[i]<<endl;
return os;
}
}
class reader
{
int xuehao,num;
string name;
vector<book>a;
vector<book>::iterator it;
vector<record>r;
vector<record>::iterator it1;
bool flag;
public:
reader(int x,string y):xuehao(x),name(y) {flag=0;}
reader() {flag=0;}
void dele(){flag=1;}
void clear(){a.clear();r.clear();}
void setxuehao(int x){xuehao=x;}
void setname(string x){name=x;}
int getflag(){return flag;}
int getxuehao(){return xuehao;}
string getname(){return name;}
int getsize(){int len=r.size();return len;}
void borrow(book r);
void retbook(book r,time t1);
bool operator ==(reader a)
{
if(xuehao==a.xuehao)return 1;
else return 0;
}
friend istream & operator >>(istream & is,reader &);
friend ostream & operator <<(ostream & os,reader &);
void addrecord(int x,int y,time t)
{ record rr(x,t,y);
r.push_back(rr);
}
void addrecord(record rr)
{
r.push_back(rr);
}
void displaybyno(int x);
int check();
void xujie(int x);
};
void reader::xujie(int x)
{
int len=r.size();
for(int i=0;i<len;i++)
{
if(r[i].getno()==x)
r[i].xujie();
}
}
int reader::check()
{
int len=r.size();
for(int i=0;i<len;i++)
if(!r[i].check())return 0;
return 1;
}
void reader::displaybyno(int x)
{
for(it1=r.begin();it1!=r.end();it1++)
if((*it1).getno()==x)
(*it1).display();
}
istream & operator >>(istream & is,reader & a)
{
is>>a.xuehao>>a.name;
return is;
}
ostream & operator <<(ostream & os,reader & a)
{if(a.flag==0)
{
os<<a.xuehao<<" "<<a.name<<endl;
for(int i=0; i<a.a.size(); i++)
{
os<<"借的第"<<i+1<<"本书的书号："<<a.a[i].getno();
os<<endl;
}
os<<"record:"<<endl;
int len=a.r.size();
if(len==0)os<<"无记录！"<<endl<<endl;
for(int i=0;i<len;i++)
os<<a.r[i];
os<<endl;
return os;
}
}
void reader::borrow(book r)
{
int i=a.size();
if(i==3)cout<<"不能再借书了!"<<endl;
else
a.push_back(r);
}
void reader::retbook(book r1,time t1)
{
int len1=a.size();
int len2=r.size();
for(it=a.begin();it!=a.end();it++)
if((*it).getno()==r1.getno())
a.erase(it);
for(int i=0;i<len2;i++)
if(r[i].getno()==r1.getno())
r[i].retbook(t1);
}
class base
{
vector<book>b;
vector<book>::iterator it1;
vector<reader>r;
vector<reader>::iterator it2;
multimap<int,int>m1;
multimap<int,int>::iterator mit1; //按书号查找图书
multimap<int,int>m2;
multimap<int,int>::iterator mit2; //按学号查找读者
public:
base()
{
load1();
load2();
}
~base()
{
save1();
save2();
}
void delebook(int x); //删除一本图书
void delereader(int y); //删除一位读者
void addbook(book x){b.push_back(x);}
void addreader(reader x){r.push_back(x);}
void load1();
void load2();
void save1();
void save2();
void borrow(reader x,int y,time t1);
void retbook(int x,int y,time t1);
int querybook(int x);
int queryreader(int x);
void displaybyno(int x);
void displaybyxuehao(int x);
void changeno(int x,int y);
};
void base::changeno(int x,int y)
{
mit1=m1.find(x);
if(mit1!=m1.end())
b[mit1->second].setno(y);
else cout<<"change error:no this no!"<<endl;
}
void base::displaybyno(int x)
{
mit1=m1.find(x);
if(mit1!=m1.end())
cout<<b[mit1->second];
else cout<<"querry error:no this book!"<<endl;
}
void base::displaybyxuehao(int x)
{
mit2=m2.find(x);
if(mit2!=m2.end())
cout<<r[mit2->second];
else cout<<"querry error:no this reader!"<<endl;
}
int base::querybook(int x)
{
mit1=m1.find(x);
if(mit1!=m1.end())
return mit1->second;
else return -1;
}
int base::queryreader(int x)
{
mit2=m2.find(x);
if(mit2!=m2.end())
return mit2->second;
else
return -1;
}
void base::load1()
{
cout<<"请输入图书(1 普通物理学 曹学成 中国农业出版社 2014 2 1 32 5)："<<endl;
book b1;
while(cin>>b1&&b1.getno()!=-1)
{
b.push_back(b1);
int i=b.size();
m1.insert(make_pair(b1.getno(),i-1));
b1.clear();
}
}
void base::load2()
{
cout<<"请输入读者(20171746 虞启贤):"<<endl;
reader r1;
while(cin>>r1&&r1.getxuehao()!=-1)
{
r.push_back(r1);
int i=r.size();
m2.insert(make_pair(r1.getxuehao(),i-1));
r1.clear();
}
}
void base::save1()
{
ofstream outfile("20171746book.txt",ios::out);
int len=b.size();
for(int b1=0;b1<len;b1++)
{
if(b[b1].getflag()==0)
{time t=b[b1].getcbtime();
outfile<<b[b1].getno()<<" ";
outfile<<b[b1].getshuming()<<" ";
outfile<<b[b1].getzuozheming()<<" ";
outfile<<b[b1].getchubanshe()<<" ";
outfile<<t.getyear()<<" "<<t.getmonth()<<" "<<t.getday()<<" ";
outfile<<b[b1].getprice()<<" "<<b[b1].getstate()<<endl;
}
}
outfile.close();
}
void base::save2()
{
ofstream outfile("20171746stu.txt",ios::out);
if(!outfile)return ;
int len=r.size();
for(int r1=0;r1<len;r1++)
if(r[r1].getflag()==0)
outfile<<r[r1].getxuehao()<<" "<<r[r1].getname()<<endl;
outfile.close();
}
void base::delebook(int x)
{ int j=querybook(x);
if(b[j].getflag()==0)
{mit1=m1.find(x);
if(mit1!=m1.end())
b[mit1->second].dele();
else
cout<<"delebook error:no this book1!"<<endl;
}
else
cout<<"delebook error:no this book2!"<<endl;
}
void base::delereader(int x)
{ int i=queryreader(x);
if(r[i].getflag()==0)
{
mit2=m2.find(x);
if(mit2!=m2.end())
r[mit2->second].dele();
else
cout<<"delereader error:no this reader1!"<<endl;
}
else
cout<<"delereader error:no this reader2!"<<endl;
}
class Client //查书 借书 还书。
{
vector<book>b;
vector<book>::iterator it1;
vector<reader>r;
vector<reader>::iterator it2;
multimap<int,int>m1;
multimap<int,int>::iterator mit1;
int k;
public:
Client()
{
load1();
load2();
}
~Client()
{
save1();
save2();
}
void load1();
void load2();
void save1();
void save2();
void borrow(int x);
void retbook(int x);
void displaybook(int x);
int querrybook(int x);
void displayself();
void xujie(int x);
};
void Client::load1()
{
cout<<"请输入学号（20171746/20171754/20171828）：";
int x;
cin>>x;
cout<<endl;
reader rr;
ifstream infile;
infile.open("20171746stu.txt",ios::in);
while(infile>>rr)
{
if(rr.getxuehao()==x){ k=r.size();}
r.push_back(rr);
}
infile.close();
}
void Client::load2()
{
book b1;
ifstream infile("20171746book.txt",ios::in);
while(infile>>b1)
{
b.push_back(b1);
int i=b.size();
m1.insert(make_pair(b1.getno(),i-1));
b1.clear();
}
infile.close();
}
void Client::save1()
{
ofstream outfile("20171746bookout.txt",ios::out);
if(!outfile)return ;
for(it1=b.begin();it1!=b.end();it1++)
outfile<<(*it1);
outfile.close();
}
void Client::save2()
{
ofstream outfile("20171746stuout.txt",ios::out);
if(!outfile)return ;
for(it2=r.begin();it2!=r.end();it2++)
outfile<<(*it2);
outfile.close();
}
void Client::borrow(int x)
{
if(r[k].check()==1)
{
int i=querrybook(x);
if(i==-1)cout<<"borrow error:no this book"<<endl;
else
{
b[i].addrecord(r[k].getxuehao(),x,t_now);
r[k].addrecord(r[k].getxuehao(),x,t_now);
b[i].borrow();
r[k].borrow(b[i]);
}
}
else cout<<"有违规记录，无法借书!"<<endl;
}
int Client::querrybook(int x)
{
mit1=m1.find(x);
if(mit1!=m1.end())
return mit1->second;
else return -1;
}
void Client::displaybook(int x)
{
mit1=m1.find(x);
if(mit1!=m1.end())
cout<<b[mit1->second];
else cout<<"querry error::no this book!"<<endl;
}
void Client::retbook(int x)
{
int i=querrybook(x);
r[k].retbook(b[i],t_now);
b[i].retbook(t_now);
}
void Client::displayself()
{
cout<<r[k];
}
void Client::xujie(int x)
{
int i=querrybook(x);
b[i].xujie(r[k].getxuehao());
r[k].xujie(x);
}
int main()
{
/* cout<<"请输入现在的时间：";
cin>>t_now;
cout<<endl;
Client u;
u.borrow(2);
u.xujie(2);*/
/* base u;*/
/*cout<<"请输入现在的时间：";
cin>>t_now;
cout<<endl;
Client u;
u.displaybook(3);
u.borrow(2);
u.borrow(3);
u.retbook(2);
u.displayself();*/
/* base u;
u.displaybyno(1);
u.displaybyxuehao(20171746);
u.changeno(5,6);
u.delebook(4);
*/
/*base u;
time t(2011,6,1);
book b(6,"数据结构（c++版）","王红梅","清华大学出版社",t,29,10);
reader r(20171825,"李辉");
u.addbook(b);
u.addreader(r);*/
}
图书馆管理系统--STL
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转载自blog.csdn.net/qq_40893490/article/details/80785272
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