CString类与std::string类相互赋值的方法

通过char*作为中介.

CString->std::string 例子&＃xff1a;
CString strMfc&＃61;“test“;
std::string strStl;
strStl&＃61;strMfc.GetBuffer(0);

std::string->CString   例子&＃xff1a;
CString strMfc&＃xff1b;
std::string strStl&＃61;“test“;
strMfc&＃61;strStl.c_str();