stringstream相关使用

class COArchiveText : public COArchiveBase
{
public:
    COArchiveText(void);
    ~COArchiveText(void);

    template<typename Target>
    COArchiveText& operator & (Target& target);

    template<typename Target>
    COArchiveText& operator << (Target& target);
protected:
    std::stringstream m_stream;
};