void splitFile()
{
int filelinenum=FILELINE/MAX;
ifstream ifs("./test.txt");
string str;
int num=1;
int i=1;
for(i=1;i<=MAX;i++)
{
strstream aa;
aa<<(i-1);
string strCount;
aa>>strCount;
string filepath = "./test"+strCount+".txt";
ofstream ofs(filepath.c_str());
int start = filelinenum*(i-1)+1;
int end = filelinenum*i;
while((num!=(end+1))&&getline(ifs,str))
{
if(num>=start && num <=end){
ofs<<str<<endl;
num++;
}
else{
num++;
break;
}
}
}
}