private Object doLogin(User user) {
        StpUtil.login(user.getId());
        return SaHolder.getStorage().get(SaTokenConsts.JUST_CREATED_NOT_PREFIX);
    }
Login with username and password

@param request
@return
chat2db-server/chat2db-server-web-start/src/main/java/ai/chat2db/server/web/start/controller/oauth/OauthController.java