C + + read CSV file, processing data

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#include "global.h"
#include <iostream>
#include <fstream>//function of reading file data fin header file
#include <sstream>//istringstream must contain this header file

using namespace Std;
Using Std::ofstream;
Vector<aqivalue> allsites;
Vector<wenduvalue> ALLWD;


Template functions: Converting a string variable to a common numeric type (this method is universally applicable)
Template <class type>
Type stringtonum (const string str) {
Istringstream ISS (str);
Type num;
ISS >> num;
return num;
}

int Readwendu (const string sitefile)
{
String value;
Ifstream fin;
Fin.open (Sitefile, ios::in);
if (!fin.is_open ())
{
cout << "read file error:" << sitefile << Endl;
}

Getline (Fin, value); Read a line of files

int cnt = 0;

while (Fin.good ())//Determine if the file is open
{
cnt++;
String anum,aname,acity,ajindu,aweidu,wendu1, SHIDU1, FENGSU1, WENDU2, SHIDU2, FENGSU2, WENDU3, SHIDU3, FENGSU3, WENDU4, SHIDU4, FENGSU4;
String WENDU1, WENDU2, WENDU3, WENDU4, SHIDU1, SHIDU2, SHIDU3, SHIDU4, FENGSU1, FENGSU2, FENGSU3, FENGSU4;
Wenduvalue B_site;

Getline (Fin, Anum, ', ');
B_site. Anum = Anum;
Getline (Fin, Aname, ', ');
B_site. Aname = Aname;
Getline (Fin, acity, ', ');
B_site. acity = acity;
Getline (Fin, Ajindu, ', ');
B_site. Ajindu = stringtonum<float> (Ajindu);
Getline (Fin, Aweidu, ', ');
B_site. Aweidu = stringtonum<float> (Aweidu);

Getline (Fin, WENDU1, ', ');
B_SITE.WENDU3 = stringtonum<float> (WENDU1);
Getline (Fin, WENDU2, ', ');
B_SITE.SHIDU3 = stringtonum<float> (WENDU2);
Getline (Fin, WENDU3, ', ');
B_SITE.FENGSU3 = stringtonum<float> (WENDU3);

Getline (Fin, SHIDU1, ', ');
B_site.wendu4 = stringtonum<float> (SHIDU1);
Getline (Fin, SHIDU2, ', ');
B_site.shidu4 = stringtonum<float> (SHIDU2);
Getline (Fin, SHIDU3, ' \ n ');
B_site.fengsu4 = stringtonum<float> (SHIDU3);
Allwd.push_back (B_site);
}
Fin.close ();
Fin.clear ();
return 0;
}

int Readaqi (const string sitefile)
{

String value;
Ifstream fin;

Fin.open (Sitefile, ios::in);
if (!fin.is_open ())
{
cout << "read file error:" << sitefile << Endl;
}

Getline (Fin, value); Read a line of files

int cnt = 0;

while (Fin.good ())//Determine if the file is open
{
cnt++;
cout << "Cntaqi:" << cnt << endl;//Total number
System ("pause");
String v1, V2, v3, v4,v5,v6;
Aqivalue A_site;

Getline (Fin, V1, ', ');
A_site.value1 = stringtonum<float> (v1);
Getline (FIN, V2, ', ');
A_site.value2 = stringtonum<float> (v2);
Getline (FIN, v3, ', ');
A_site.value3 = stringtonum<float> (v3);
Getline (FIN, v4, ', ');
A_site.value4 = stringtonum<float> (v4);
Getline (Fin, V5, ', ');
A_site.value5 = stringtonum<float> (v5);
Getline (FIN, V6, ' \ n ');
A_site.value6 = stringtonum<float> (V6);

Allsites.push_back (A_site);
}
Fin.close ();
Fin.clear ();

return 0;
}

int main (int argc, char* argv[])
{
cout << "Fuck";
Readwendu ("Site_temperature_spehumidity_2015_1_1_6.csv");
int biaoji[1500];
float outdata[2000][2000];
for (int i = 0; i < 1497; i++)
{
Biaoji[i] = 0; Distance between access cities
}

for (int i = 0; i < 1497; i++)
{
for (int j = 0; J < 1497; J + +)
{
OUTDATA[I][J] = Sqrtf ((Allwd[i]. AJINDU-ALLWD[J]. Ajindu) * (Allwd[i]. AJINDU-ALLWD[J]. Ajindu) + (Allwd[i]. AWEIDU-ALLWD[J]. Aweidu) * (Allwd[i]. AWEIDU-ALLWD[J].        Aweidu)); Distance between access cities
}
}


Ofstream OutFile;
Outfile.open (data, ios::out);
for (int i = 0; i < wholenum; i++)
//{
for (int j = 1; j < 6; J + +)
//    {
OutFile << Data[i][j] << ', ';
//    }
OutFile << data[i][6] << Endl;
//}
Outfile.close ();
Allwd.clear ();
Allsites.clear ();
return 0;
}

C + + read CSV file, processing data