borrows.cpp

图书馆程序设计

#include "borrow.h"
#include "borrows.h"
#include <fstream>
#include <vector>
using namespace std;

namespace jixia
{

	void Borrows::Open(char fname[])
	{ 
	  ifstream fin(fname);
      while( !fin.eof() )
	  { 
	    int x1,x2; Date d1,d2;double d;
	    fin>>x1>>x2;
    	fin>>d1;
		fin>>d2;
		fin>>d;
        Borrow b(x1,x2,d1,d2,d);
	    v.push_back(b);  
	  }
	}
  
	void Borrows::Save(char fname[])
	{
	   ofstream fout;fout.open(fname);
	   for(int i=0;i<v.size();i++)
		   fout<<v[i].Book_ID<<"  "<<v[i].Reader_ID<<"  "<<v[i].BorrowDay<<"  "<<v[i].ReturnDay<<endl;
	}

	ostream& operator<<(ostream &o,Borrows &ws)
	{
       for(int i=0;i<ws.v.size();i++)
	     o<<ws.v[i]<<endl;
	   return o;
	}

	void Borrows::Search(int Reader_ID)
	{ 
	  for(int i=0;i<v.size();i++)
		  if(v[i].Reader_ID=Reader_ID)
			   cout<<v[i];
		 
	}

}