[tip]convert string to digit (int, double)
2011-06-01 16:02
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We are used to convert string to int/double by CRT provided functions, 数值和字符串相互转换（C++ 数据类型转换技巧）
Actually STL provides more graceful way to do this kind of conversion by istringstream / wistringstream:
#include<sstream>
using namespace std;
double dVal = 0;
wistringstream wstrStream(str);
wstrStream >> dVal;
Actually STL provides more graceful way to do this kind of conversion by istringstream / wistringstream:
#include<sstream>
using namespace std;
double dVal = 0;
wistringstream wstrStream(str);
wstrStream >> dVal;
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