梁和雋

1. #include<iostream>
   
2. #include<sstream>
   
3. #include<cstdlib>
   
4. using namespace std;
   
5. int main()
   
6. {
   
7.     stringstream ss;
   
8.     float q;
   
9.     string str="123.456";
   
10.     cout<<"字串 "<<str<<endl;
    
11.     ss<<str;
    
12.     ss>>q;
    
13.     cout<<"浮點數 "<<q<<endl;
    
14.     system("pause");     
    
15.     return 0;   
    
16. }

複製代碼