std::stringstream ss1;ss1.precision(2);ss1.setf(std::ios::fixed);ss1 << _angle;std::string str = ss1.str();char text[50] = {};strcat(text, str.c_str());
std::stringstream ss1;ss1.precision(2);ss1.setf(std::ios::fixed);ss1 << _angle;std::string str = ss1.str();char text[50] = {};strcat(text, str.c_str());