ProductManager

/*
*File:Product.h
*Author:88250
*
*CreatedonMay2,2008,5:51PM
*/

#ifndef_PRODUCT_H
#define_PRODUCT_H

#include < string >

class Product{
public :

Product(std::stringproductName){
name = productName;
}

std::stringname;
};

#endif /* _PRODUCT_H */

/*
*File:RecordRow.h
*Author:88250
*
*CreatedonMay2,2008,5:54PM
*/


#ifndef_RECORDROW_H
#define _RECORDROW_H

#include < string >

class RecordRow{
public :

RecordRow(std:: string n,std:: string dir, int am, float p, int m, int d){
name = n;
direction = dir;
amount = am;
price = p;
month = m;
day = d;
}

std:: string name;
std:: string direction;
int amount;
float price;
int month;
int day;
};


#endif /*_RECORDROW_H*/

/**/ /*
*File:ProductManager.h
*Author:88250
*
*CreatedonMay2,2008,5:57PM
*/

#ifndef_PRODUCTMANAGER_H
#define _PRODUCTMANAGER_H

#include < vector >

#include " Product.h "
#include " RecordRow.h "

using namespace std;

class ProductManager ... {
public:
voidinit();
voidsaveProduct(std::vector<Product>products);
voidreadProduct(std::vector<Product>&products);
voidsaveRecord(std::vector<RecordRow>records);
voidreadRecord(std::vector<RecordRow>&records);
voidnewProduct(stringname);
voidnewRecord(RecordRowrr);
voiddisplayName(void);
voiddisplayRecords(void);
voiddisplayStat(intproductNum,intstartM,intendM,intstartD,intendD);
voiddisplayAllStat(intstartM,intendM,intstartD,intendD);
vector<Product>productVector;
vector<RecordRow>recordVector;
private:
vector<RecordRow>getRRByName(stringname,vector<RecordRow>rrs);
vector<string>getNames(vector<RecordRow>rrs);
boolcontainsName(vector<string>names,stringname);
voiddisplayAProduct(vector<RecordRow>rr,float&mao,float&chun);
} ;

#endif /*_PRODUCTMANAGER_H*/

/*
*File:ProductManager.cpp
*Author:88250
*
*CreatedonMay2,2008,7:7PM
*/

#include " ProductManager.h "

#include < vector >
#include < string >
#include < fstream >
#include < iostream >

using namespace std;

void ProductManager::displayAllStat( int startM, int endM, int starD, int endD){
vector < RecordRow > rrs;
for ( int i = 0 ;i < recordVector.size();i ++ ){
RecordRowrr = recordVector[i];
if (rr.month > startM && rr.month < endM){
rrs.push_back(rr);
continue ;
}
if (rr.month == startM || rr.month == endM){
if (rr.day >= starD && rr.day <= endD){
rrs.push_back(rr);
}
}
}

vector < string > names = getNames(rrs);
vector < vector < RecordRow > > rrss;
for ( int i = 0 ;i < names.size();i ++ ){
rrss.push_back(getRRByName(names[i],rrs));
}
cout << " 品种 " << " 进总数 " << " 出总数 " << " 进总价 "
<< " 出总价 " << " 阶段利润 " << " 总金额流量 " << endl;
float mao = 0.0 ; // 毛利
float chun = 0.0 ; // 纯利

for ( int i = 0 ;i < rrss.size();i ++ ){
displayAProduct(rrss[i],mao,chun);
}

cout << " 当前的总毛收入： " << mao << endl;
cout << " 当前的总纯收入： " << chun << endl;
cout << endl;

}

void ProductManager::displayStat( int productNum,
int startM, int endM, int starD, int endD){
vector < RecordRow > rrs;
for ( int i = 0 ;i < recordVector.size();i ++ ){
RecordRowrr = recordVector[i];
if (rr.name == productVector[productNum].name){
if (rr.month > startM && rr.month < endM){
rrs.push_back(rr);
continue ;
}
if (rr.month == startM || rr.month == endM){
if (rr.day >= starD && rr.day <= endD){
rrs.push_back(rr);
}
}
}
}

cout << " 品种 " << " 进总数 " << " 出总数 " << " 进总价 "
<< " 出总价 " << " 阶段利润 " << " 总金额流量 " << endl;

float mao = 0.0 ;
float chun = 0.0 ;
displayAProduct(rrs,mao,chun);

cout << " 当前的总毛收入： " << mao << endl;
cout << " 当前的总纯收入： " << chun << endl;
cout << endl;
}

void ProductManager::displayAProduct(vector < RecordRow > rr,
float & mao, float & chun){
int iam = 0 ;
int oam = 0 ;
float ip = 0.0 ;
float op = 0.0 ;
float pro = 0.0 ;
float ppro = 0.0 ;
float iavg = 0.0 ;
int inum = 0 ;
if (rr[ 0 ].name.length() >= 8 ){
cout << rr[ 0 ].name << " " ;
} else {
cout << rr[ 0 ].name << " " ;
}

for ( int i = 0 ;i < rr.size();i ++ ){
if (rr[i].direction == " 进 " ){
iam += rr[i].amount;
iavg += rr[i].price;
ip += rr[i].amount * rr[i].price;
inum ++ ;
} else {
oam += rr[i].amount;
op += rr[i].amount * rr[i].price;
}
}
iavg = iavg / inum;
pro = op - ip;
ppro = op - oam * iavg;
cout << iam << " " << oam << " " << ip << " " << op << " "
<< ppro << " " << pro << " " << endl;

chun += ppro;
mao += op;
}

vector < RecordRow > ProductManager::getRRByName( string name,
vector < RecordRow > rrs){
vector < RecordRow > ret;
for ( int i = 0 ;i < rrs.size();i ++ ){
if (rrs[i].name == name){
ret.push_back(rrs[i]);
}
}
return ret;
}

vector < string > ProductManager::getNames(vector < RecordRow > rrs){
vector < string > ret;

for ( int i = 0 ;i < rrs.size();i ++ ){
if ( ! containsName(ret,rrs[i].name)){
ret.push_back(rrs[i].name);
}
}
return ret;
}

bool ProductManager::containsName(vector < string > names, string name){
for ( int i = 0 ;i < names.size();i ++ ){
if (names[i] == name){
return true ;
}
}
return false ;
}

void ProductManager::init(){
std::vector < Product > products;
readProduct(products);
productVector = products;

std::vector < RecordRow > rrs;
readRecord(rrs);
recordVector = rrs;
}

void ProductManager::newProduct( string name){
vector < Product > ::iteratori;
bool isExisted = false ;
for (i = productVector.begin();i != productVector.end();i ++ ){
if (( * i).name == name){
isExisted = true ;
}
}
if ( ! isExisted){
productVector.push_back(Product(name));
}
saveProduct(productVector);
}

void ProductManager::newRecord(RecordRowrr){
recordVector.push_back(rr);
saveRecord(recordVector);
}

void ProductManager::displayName( void ){
for ( int i = 0 ;i < productVector.size();i ++ ){
cout << i << " . " << productVector[i].name << endl;
}
cout << endl;
}

void ProductManager::displayRecords( void ){
if ( ! recordVector.empty()){
cout << " 品种 " << " 流向 " << " 数量 " << " 单价 " << " 日期 " << endl;
for ( int i = 0 ;i < recordVector.size();i ++ ){
if (recordVector[i].name.length() >= 8 ){
cout << recordVector[i].name << " " << recordVector[i].direction << " "
<< recordVector[i].amount << " " << recordVector[i].price
<< " " << recordVector[i].month << " - " << recordVector[i].day
<< endl;
} else {
cout << recordVector[i].name << " " << recordVector[i].direction << " "
<< recordVector[i].amount << " " << recordVector[i].price
<< " " << recordVector[i].month << " - " << recordVector[i].day
<< endl;
}
}
cout << endl;
}
}

void ProductManager::saveProduct(std::vector < Product > products){
ofstreamfout( " name " );

if ( ! fout){
cout << " Cannotopenoutputfile! " ;
return ;
}

for ( int i = 0 ;i < products.size();i ++ ){
fout << products[i].name << endl;
}

fout.close();
}

void ProductManager::saveRecord(std::vector < RecordRow > records){
ofstreamfout( " data " );

if ( ! fout){
cout << " Cannotopenoutputfile! " ;
return ;
}

for ( int i = 0 ;i < records.size();i ++ ){
fout << " Record " << endl
<< records[i].name << endl
<< records[i].direction << endl
<< records[i].amount << endl
<< records[i].price << endl
<< records[i].month << endl
<< records[i].day << endl;
}

fout.close();
}

void ProductManager::readProduct(std::vector < Product > & products){
ifstreamfin( " name " );

if ( ! fin){
cout << " Cannotopeninputfile! " ;
return ;
}

string aLine;
while (getline(fin,aLine)){
products.push_back(Product(aLine));
}

fin.close();
}

void ProductManager::readRecord(std::vector < RecordRow > & records){
ifstreamfin( " data " );

if ( ! fin){
cout << " Cannotopeninputfile! " ;
return ;
}

string aLine;
while (getline(fin,aLine)){
string n,dir;
int am,m,d;
float pr;

if (aLine.at( 0 ) == ' R ' ){
getline(fin,aLine);
n = aLine;
getline(fin,aLine);
dir = aLine;
getline(fin,aLine);
am = atoi(aLine.c_str());
getline(fin,aLine);
pr = atof(aLine.c_str());
getline(fin,aLine);
m = atoi(aLine.c_str());
getline(fin,aLine);
d = atoi(aLine.c_str());
records.push_back(RecordRow(n,dir,am,pr,m,d));
}
}

fin.close();
}

/*
*File:Main.cpp
*Author:88250
*
*CreatedonMay2,2008,9:36PM
*/

#include " ProductManager.h "

#include < iostream >

using namespace std;

int main( int argc, char ** argv){
ProductManagerpm;
pm.init();

int input;
int num = 0 ;
string name;
int amount = 0 ;
float price = 0.0 ;
int month = 1 ;
int day = 1 ;
int dir = 1 ;
int sm = 1 ;
int sd = 1 ;
int em = 2 ;
int ed = 1 ;
int pn = 0 ;
string d;
char confirm = ' n ' ;
while ( true ){
cout << " 1.查看现有品种 " << endl;
cout << " 2.增加新品种 " << endl;
cout << " 3.添加销售记录 " << endl;
cout << " 4.查看所有销售记录 " << endl;
cout << " 5.统计帐目 " << endl;

cout << " 请选择： " << " " ;
cin >> input;

switch (input){
case 1 :
pm.displayName();
break ;
case 2 :
cout << " 请输入品种名称（111返回）： " << " " ;
cin >> name;
if (name == " 111 " ){
break ;
}
pm.newProduct(name);
cout << " 新建品种成功！ " << endl;
break ;
case 3 :
pm.displayName();

cout << " 请输入产品编号（111返回）： " ;
cin >> num;
if (num == 111 ){
break ;
}
if (num >= 0 && num <= pm.productVector.size()){
name = pm.productVector[num].name;
} else {
cout << " 输入有误！ " ;
break ;
}
cout << " 请选择流向（1.进；2.出）： " ;
cin >> dir;
if (dir == 1 ){
d = " 进 " ;
cout << " 请输入进货数量： " ;
cin >> amount;
cout << " 请输入进货单价： " ;
cin >> price;

cout << " 请输入进货月： " ;
cin >> month;

cout << " 请输入进货日： " ;
cin >> day;
} else if (dir == 2 ){
d = " 出 " ;
cout << " 请输入卖出数量： " ;
cin >> amount;

cout << " 请输入卖出单价： " ;
cin >> price;

cout << " 请输入销售月： " ;
cin >> month;

cout << " 请输入销售日： " ;
cin >> day;
} else {
cout << " 输入有误！ " ;
break ;
}

cout << " 确定？（y.确定n.放弃） " << endl;
cin >> confirm;
if (confirm == ' y ' ){
pm.newRecord(RecordRow(name,d,amount,price,month,day));
}
break ;
case 4 :
pm.displayRecords();
break ;
case 5 :
cout << " 开始月（111返回）： " ;
cin >> sm;
if (sm == 111 ){
break ;
}

cout << " 开始日： " ;
cin >> sd;

cout << " 结束月： " ;
cin >> em;

cout << " 结束日： " ;
cin >> ed;

cout << " 请选择统计方式（1.单项品种2.所有品种）： " ;
cin >> num;
if (num == 1 ){
pm.displayName();
cout << " 请输入产品编号： " ;
cin >> pn;
pm.displayStat(pn,sm,em,sd,ed);
} else if (num == 2 ){
pm.displayAllStat(sm,em,sd,ed);
} else {
cout << " 选择有误，返回！ " << endl;
}
break ;
default :
cout << " 选择有误！ " << endl;
}


}

return (EXIT_SUCCESS);
}