获取json中的key:getMemberNames()
Json::Value root;
Json::Reader reader;
Json::Value::Members members;
std::ifstream data_cam(usbCameraPath, std::ios::in);
if(!data_cam.is_open())
{
std::cout << "open usbCamPath false!!!" << std::endl;
return false;
}
if(!reader.parse(data_cam, root))
{
std::cout << "parse usbCam false!!!" << std::endl;
return false;
}
members = root.getMemberNames();
for(Json::Value::Members::iterator it = members.begin(); it != members.end(); it++)
{
string key = *it;
vector<vector<double>> tmp_vec;
for(int i = 0; i < root[key].size(); i++)
{
vector<double> tmp;
if(root[key][i].size() == 0)
tmp.push_back(root[key][i].asDouble());
else{
for(int j = 0; j < root[key][i].size(); j++)
tmp.push_back(root[key][i][j].asDouble());
}
tmp_vec.push_back(tmp);
}
g_camConfig[key] = tmp_vec;
}
data_cam.close();