1 //强制类型转换 2 #include "stdafx.h" 3 #include 
     
       4 #include 
      
        5 #include 
       
         6  7 using namespace std; 8  9 int _tmain(int argc, _TCHAR* argv[])10 {11     string str_int="520";  12     string str_double="520.2314";13     const double d = 124.45;14     try15     {16         cout << boost::lexical_cast
        
         (str_int) << endl;17         cout << boost::lexical_cast
         
          (str_double) << endl;//默认精度为618         cout << boost::lexical_cast
          
           (d) << endl;19 }20 catch(boost::bad_lexical_cast& e)21 {22 cerr<<"Bad cast:"<
           
            <