ifstream fRoad(szFile.c_str());
 
if (!fRoad)
throw e_open_file_fail;
 
entities.clear();
 
char buffer[0xFF] = {0};
 
while (!fRoad.eof())
{
fRoad.getline(buffer, sizeof(buffer));
string szLine=buffer;
replace_if(szLine.begin(),szLine.end(), //range
bind2nd(equal_to<char>(),','), ' ');
istringstream ssLine(szLine);
road_entity entity;
 
ssLine >> entity;
.....
 
istringstream& operator>>(istringstream& ss, road_entity& e)
{
string szStation;
ss >> szStation;//
ss >> e.m_sName;
ss >> e.m_bCode;
ss >> e.m_bStartLine;
ss >> e.m_bEndLine;
 
UINT bUp, bDown;
ss >> bUp >> bDown;
 
e.m_UpDown=(RoadUpDown)bDown;
UINT bIn, bOut;
ss >> bIn >> bOut;
e.m_InOut=(RoadInOut)bOut;
return ss;
}