code: func (G *global_data) SetCookies(cookies map[string]string) *global_data {
  	if G.Req.Cookies == nil {
  		G.Req.Cookies = make(map[string]string)
  	}
  	for key, value := range cookies {
  		G.Req.Cookies[key] = value
  	}
  	return G
  }
docs: // Set several Cookie values for the coming request