c++ String类 字符串分割

#include <vector>
#include <string>
#include <iostream>
using namespace std;
 
void SplitString(const string& s, vector<string>& v, const string& c)
{
    string::size_type pos1, pos2;
    pos2 = s.find(c);
    pos1 = 0;
    while(string::npos != pos2)
    {
        v.push_back(s.substr(pos1, pos2-pos1));
         
        pos1 = pos2 + c.size();
        pos2 = s.find(c, pos1);
    }
    if(pos1 != s.length())
        v.push_back(s.substr(pos1));
}
 
int main(){
    string s = "a,b,c,d,e,f";
    vector<string> v;
    SplitString(s, v,","); //可按多个字符来分隔;
    for(vector<string>::size_type i = 0; i != v.size(); ++i)
        cout << v[i] << " ";
    cout << endl;
    //输出: a b c d e f
}