自己手动写的c++版本的重构例子。原书上是Java的。实测可行

#include“Customer.h“

string Customer::getName（）
{
	return _name;
}
void Customer::addRental（Rental *r）
{
	_rental.push_back（*r）;
}

double Customer::getTotalCharge（）
{
	double result = 0.0;
	vector::iterator it;
	it = _rental.begin（）;
	while （it != _rental.end（））
	{
		result += it->getCharge（）;
		//迭代器自加
		it++;
	}
	return result;
}

int Customer::getTotalFrequentRenterPoints（）
{
	int result = 0;
	vector::iterator it;
	it = _rental.begin（）;
	while （it != _rental.end（））
	{
		//积分+1/+2
		result += it->getFrequentRenterPoints（）;
		//迭代器自加
		it++;
	}
	return result;
}

string Customer::statement（）
{
	string result = “Rental Record for “ + getName（） + “\n“;
	vector::iterator it;
	it = _rental.begin（）;
	while （it != _rental.end（））
	{
		//输出Rental信息
		char temp[256];
		sprintf_s（temp “\t%s\t%.2f\n“ it->getMovie（）->gettitle（）.c_str（） it->getCharge（））;
		result.append（temp）;
		//迭代器自加
		it++;
	}
	char total[256];
	sprintf_s（total “Amout owed is %.2f\n You earned %d frequent renter points“ getTotalCharge（） getTotalFrequentRenterPoints（））;
	result.append（total）;
	return result;
}

string Customer::htmlStatement（）
{
	string result = “
Rental Record for“ + getName（） + “
\n“;
	vector::iterator it;
	it = _rental.begin（）;
	while （it != _rental.end（））
	{
		//输出Rental信息
		char temp[256];
		sprintf_s（temp “\t%s\t%.2f
\n“ it->getMovie（）->gettitle（）.c_str（） it->getCharge（））;
		result.append（temp）;
		//迭代器自加
		it++;
	}
	char total[256];
	sprintf_s（total “
Amout owed is %.2f \n You earned %d frequent renter points
“ getTotalCharge（） getTotalFrequentRenterPoints（））;
	result.append（total）;
	return result;
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

    ..A..H.     77312  2017-08-24 17:50  ConsoleApplicationRefactor\.vs\ConsoleApplicationRefactor\v14\.suo

     文件       7674  2017-08-24 09:50  ConsoleApplicationRefactor\ConsoleApplicationRefactor\ConsoleApplicationRefactor.vcxproj

     文件       1523  2017-08-24 09:50  ConsoleApplicationRefactor\ConsoleApplicationRefactor\ConsoleApplicationRefactor.vcxproj.filters

     文件       1813  2017-08-24 14:57  ConsoleApplicationRefactor\ConsoleApplicationRefactor\Customer.cpp

     文件        474  2017-08-24 14:50  ConsoleApplicationRefactor\ConsoleApplicationRefactor\Customer.h

     文件       3546  2017-08-24 17:43  ConsoleApplicationRefactor\ConsoleApplicationRefactor\Debug\ConsoleA.2BC4EE83.tlog\CL.command.1.tlog

     文件      64506  2017-08-24 17:43  ConsoleApplicationRefactor\ConsoleApplicationRefactor\Debug\ConsoleA.2BC4EE83.tlog\CL.read.1.tlog

     文件       7144  2017-08-24 17:43  ConsoleApplicationRefactor\ConsoleApplicationRefactor\Debug\ConsoleA.2BC4EE83.tlog\CL.write.1.tlog

     文件        237  2017-08-24 17:43  ConsoleApplicationRefactor\ConsoleApplicationRefactor\Debug\ConsoleA.2BC4EE83.tlog\ConsoleApplicationRefactor.lastbuildstate

     文件       2412  2017-08-24 17:43  ConsoleApplicationRefactor\ConsoleApplicationRefactor\Debug\ConsoleA.2BC4EE83.tlog\link.command.1.tlog

     文件       4908  2017-08-24 17:43  ConsoleApplicationRefactor\ConsoleApplicationRefactor\Debug\ConsoleA.2BC4EE83.tlog\link.read.1.tlog

     文件       1600  2017-08-24 17:43  ConsoleApplicationRefactor\ConsoleApplicationRefactor\Debug\ConsoleA.2BC4EE83.tlog\link.write.1.tlog

     文件        447  2017-08-24 17:43  ConsoleApplicationRefactor\ConsoleApplicationRefactor\Debug\ConsoleApplicationRefactor.log

     文件     274053  2017-08-24 17:43  ConsoleApplicationRefactor\ConsoleApplicationRefactor\Debug\Customer.obj

     文件     263335  2017-08-24 11:22  ConsoleApplicationRefactor\ConsoleApplicationRefactor\Debug\customer.obj.enc

     文件     154237  2017-08-24 17:43  ConsoleApplicationRefactor\ConsoleApplicationRefactor\Debug\Movie.obj

     文件     197561  2017-08-24 17:43  ConsoleApplicationRefactor\ConsoleApplicationRefactor\Debug\MovieRentalTest.obj

     文件      34168  2017-08-24 17:43  ConsoleApplicationRefactor\ConsoleApplicationRefactor\Debug\Rental.obj

     文件     494592  2017-08-24 17:43  ConsoleApplicationRefactor\ConsoleApplicationRefactor\Debug\vc140.idb

     文件     462848  2017-08-24 17:43  ConsoleApplicationRefactor\ConsoleApplicationRefactor\Debug\vc140.pdb

     文件       1364  2017-08-24 17:39  ConsoleApplicationRefactor\ConsoleApplicationRefactor\Movie.cpp

     文件       1144  2017-08-24 17:41  ConsoleApplicationRefactor\ConsoleApplicationRefactor\Movie.h

     文件        407  2017-08-24 17:50  ConsoleApplicationRefactor\ConsoleApplicationRefactor\MovieRentalTest.cpp

     文件        308  2017-08-24 15:36  ConsoleApplicationRefactor\ConsoleApplicationRefactor\Rental.cpp

     文件        357  2017-08-24 14:18  ConsoleApplicationRefactor\ConsoleApplicationRefactor\Rental.h

     文件       1360  2017-08-18 08:55  ConsoleApplicationRefactor\ConsoleApplicationRefactor.sln

     文件    8564736  2017-08-24 17:50  ConsoleApplicationRefactor\ConsoleApplicationRefactor.VC.db

     文件     104960  2017-08-24 17:43  ConsoleApplicationRefactor\Debug\ConsoleApplicationRefactor.exe

     文件     543864  2017-08-24 17:43  ConsoleApplicationRefactor\Debug\ConsoleApplicationRefactor.ilk

     文件    1650688  2017-08-24 17:43  ConsoleApplicationRefactor\Debug\ConsoleApplicationRefactor.pdb

............此处省略12个文件信息