STL练习程序（String...）

#include <string>
#include <iostream>
#include <algorithm>
#include <vector>
#include <fstream>
using namespace std;

int main()
{
    ifstream in("data.txt");
    string strtmp;
    vector<string> vect;
    while (getline(in,strtmp,'\n'))
        vect.push_back(strtmp);

    copy(vect.begin(),vect.end(),ostream_iterator<string>(cout,"\n"));
    cout<<endl;

    string strset="|, ";
    vector<string> v[3]; 
    vector<string>::iterator it;
    int i=0;

    for (it=vect.begin();it!=vect.end();it++,i++)
    {
        int first1=it->find_first_of(strset);
        int first2=it->substr(first1).find_first_not_of(strset)+first1;    
        int last1=it->find_last_of(strset);
        int last2=it->substr(0,last1).find_last_not_of(strset);    

        v[i].push_back(it->substr(0,first1));
        v[i].push_back(it->substr(first2,last2-first2+1));
        v[i].push_back(it->substr(last1+1));
    }
    
    for (i=0;i<3;i++)
    {
        copy(v[i].begin(),v[i].end(),ostream_iterator<string>(cout," "));
    
        cout<<endl;
    }

    return 0;
}