C++ 流

 1 #include <iostream>
 2 #include <vector>
 3 #include <string>
 4 #include <fstream>
 5 #include <iterator>
 6 #include <algorithm>
 7  using namespace std;
 8 
 9  int main() 
10 {
11     vector<string>vec;
12     vec.resize(10);      //考虑到效率，提前分配足够内存 
13       
14     fstream fin;
15     fin.open("D:\\1.txt");
16     istream_iterator<string> in(fin);    //输入迭代器
17     copy(in,istream_iterator <string>(),vec.begin());
18     copy(vec.begin(),vec.end(),ostream_iterator<string>(cout,"\n"));
19     
20     cout<<endl;
21     system("pause");
22     return 0; 
23 }