C++基础教程第11章程序/debug了

本程序通过读取销售人员的季度销售数据,计算每位销售人员的年度总销售额,并统计各季度的总销售额。程序还能够找出销售额最高的销售人员及其金额,以及销售额最高的季度。

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#include<iostream>
#include<fstream>
#include<iomanip>
#include<string>
using namespace std;
const int noOfSalesPerson=6;
struct salesPersonRec//定义结构体
{
	string ID;
	double saleByQuarter[4];
	double totalSale;
};
void initialize(ifstream& indata,salesPersonRec list[],int listSize);
void getData(ifstream& infile,salesPersonRec list[],int listSize);
void saleByQuarter(salesPersonRec list[],int listSize,double totalByQuarter[]);
void totalSaleByPerson(salesPersonRec list[],int listSize);
void printReport(ofstream& outfile,salesPersonRec list[],int listSize,double saleByQuarter[]);
void maxSaleByPerson(ofstream& outData,salesPersonRec list[],int listSize);
void maxSaleByQuarter(ofstream& outData,double saleByQuarter[]);
int main()
{
	ifstream infile;//申明变量
	ofstream outfile;
	string inputFile;
	string outputFile;
	double totalSaleByQuarter[4];
	salesPersonRec salesPersonList[noOfSalesPerson];//申明结构体变量salesPersonList
	cout<<"Enter the salesperson ID file name:";
	cin>>inputFile;//读入输入文件名
	cout<<endl;
	infile.open(inputFile.c_str());//打开输入文件
	if(!infile)
	{
		cout<<"Cannot open the input file."<<endl;
		return 1;
	}
	initialize(infile,salesPersonList,noOfSalesPerson);//调用函数初始化数据
	infile.close();
	infile.clear();
	cout<<"Enter the sales data file name:";
	cin>>inputFile;
	cout<<endl;
	infile.open(inputFile.c_str());//打开输入文件
	if(!infile)
	{
		cout<<"Cannot open the input file."<<endl;
		return 1;
	}
	cout<<"Enter the output file name:";
	cin>>outputFile;
	cout<<endl;
	outfile.open(outputFile.c_str());
	outfile<<fixed<<showpoint<<setprecision(2);
	getData(infile,salesPersonList,noOfSalesPerson);//处理销售数据
	saleByQuarter(salesPersonList,noOfSalesPerson,totalSaleByQuarter);//计算季度销售额
	totalSaleByPerson(salesPersonList,noOfSalesPerson);//计算每个销售员的总销售额
	printReport(outfile,salesPersonList,noOfSalesPerson,totalSaleByQuarter);//按表格打印结果
	maxSaleByPerson(outfile,salesPersonList,noOfSalesPerson);//最大销售额员工
	maxSaleByQuarter(outfile,totalSaleByQuarter);//最大销售季度
	infile.close();
	outfile.close();
	return 0;
}
void initialize(ifstream& indata,salesPersonRec list[],int listSize)
{
	int index;
	int quarter;
	for (index=0;index<listSize;index++)
	{
		indata>>list[index].ID;
		for(quarter=0;quarter<4;quarter++)
			list[index].saleByQuarter[quarter]=0.0;
		list[index].totalSale=0.0;
	}
}
void getData(ifstream& infile,salesPersonRec list[],int listSize)
{
	int index;
	int quarter;
	string sID;
	int month;
	double amount;
	infile>>sID;
	while(infile)
	{
		infile>>month>>amount;
		for(index=0;index<listSize;index++)
			if(sID==list[index].ID)
				break;
			if(1<=month&&month<=3)
				quarter=0;
			else if(4<=month&&month<=6)
				quarter=1;
			else if(7<=month&&month<=9)
				quarter=2;
			else
				quarter=3;
			if(index<listSize)
				list[index].saleByQuarter[quarter]+=amount;
			else
				cout<<"Invalid salesperson's ID."<<endl;
			infile>>sID;
	}
}
void saleByQuarter(salesPersonRec list[],int listSize,double totalByQuarter[])
{
	int quarter;
	int index;
	for (quarter=0;quarter<4;quarter++)
		totalByQuarter[quarter]=0.0;
	for(quarter=0;quarter<4;quarter++)
		for(index=0;index<listSize;index++)
			totalByQuarter[quarter]+=list[index].saleByQuarter[quarter];
}
void totalSaleByPerson(salesPersonRec list[],int listSize)
{
	int index;
	int quarter;
	for(index=0;index<listSize;index++)
		for(quarter=0;quarter<4;quarter++)
			list[index].totalSale+=list[index].saleByQuarter[quarter];
}
void printReport(ofstream& outfile,salesPersonRec list[],int listSize,double saleByQuarter[])
{
	int index;
	int quarter;
	outfile<<"--------Annual Sales Report------------"<<endl;
	outfile<<endl;
	outfile<<"ID       QT1        QT2      QT3     QT4      Total"<<endl;
	outfile<<"____________________________________________________"<<endl;
	for(index=0;index<listSize;index++)
	{
		outfile<<list[index].ID<<" ";
		for(quarter=0;quarter<4;quarter++)
			outfile<<setw(10)<<list[index].saleByQuarter[quarter];
		outfile<<setw(10)<<list[index].totalSale<<endl;
	}
	outfile<<"Total   ";
	for(quarter=0;quarter<4;quarter++)
		outfile<<setw(10)<<saleByQuarter[quarter];
	outfile<<endl<<endl;
}
void maxSaleByPerson(ofstream& outData,salesPersonRec list[],int listSize)
{
	int maxIndex=0;
	int index;
	for(index=1;index<listSize;index++)
		if(list[maxIndex].totalSale<list[index].totalSale)
			maxIndex=index;
		outData<<"Max sale by salesperson:ID="<<list[maxIndex].ID<<",Amount=$"<<list[maxIndex].totalSale<<endl;
}
void maxSaleByQuarter(ofstream& outData,double saleByQuarter[])
{
	int quarter;
	int maxIndex=0;
	for(quarter=0;quarter<4;quarter++)
		if(saleByQuarter[maxIndex]<saleByQuarter[quarter])
			maxIndex=quarter;
		outData<<"Max sale by quarter:quarter="<<maxIndex+1<<",Amount=$"<<saleByQuarter[maxIndex]<<endl;
}



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