public DataRespond login(User user, string lang) { DataRespond data = new DataRespond(); User us = getUser(user); if (us is null) { data.success = false; data.message = m_translate.loadJsonLogin(lang).usernotexist; return(data); } if (checkUser(user)) { data.success = true; data.data = new { token = genToken(us), user = us }; data.message = m_translate.loadJsonLogin(lang).loginsuccess; } else { data.success = false; data.message = m_translate.loadJsonLogin(lang).passwordnotcorrect; } return(data); }