cookie.go

func main() {
	data := url.Values{}
	data.Set("username", username)
	data.Set("password", password)
	client := &http.Client{}
	r, _ := http.NewRequest(http.MethodPost, loginURL, strings.NewReader(data.Encode()))
	r.Header.Add("Content-Type", "application/x-www-form-urlencoded")
	resp, _ := client.Do(r)
	cookie := resp.Cookies()
	fmt.Println(cookie)
	fmt.Println(resp.Status)

	req, err := http.NewRequest(http.MethodGet, jadwalURL, nil)
	if err != nil {
		panic(err)
	}

	req.AddCookie(&http.Cookie{
		Name:   cookie[0].Name,
		Value:  cookie[0].Value,
		Domain: domainURL,
		Path:   "/",
	})

	jadwalResp, err := http.DefaultClient.Do(req)
	if err != nil {
		panic(nil)
	}
	body, _ := ioutil.ReadAll(jadwalReq.Body)
	jadwalResp.Body.Close()
	fmt.Println(string(body))
}