stringstream用法

 1 int main() {
 2     string s = "asdhj,sfkkjdsi,sdni";
 3     istringstream ss(s);
 4     string temp;
 5     while (getline(ss, temp, ‘,‘))
 6         cout << temp << endl;
 7     string t = "a5151,sf79dsi,sd120i";
 8     ss.clear();
 9     ss.str(t);
10     while (getline(ss, temp, ‘,‘))
11         cout << temp << endl;
12     system("pause");
13     return 0;
14 }

 1 int main() {
 2     string s = "123";
 3     istringstream iss(s);
 4     int i;
 5     iss >> i;
 6     cout << i << endl;
 7     s = "12.345";
 8     iss.clear();
 9     iss.str(s);
10     float f;
11     iss >> f;
12     cout << f << endl;
13     system("pause");
14     return 0;
15 }

 1 int main() {
 2     string s = "123.456";
 3     istringstream iss(s);
 4     int i;
 5     iss >> i;
 6     cout << i << endl;
 7     float f;
 8     iss >> f;
 9     cout << f << endl;
10     system("pause");
11     return 0;
12 }