[pkg] net/http

• Package net @ golang
• Package http @ golang

type Response

type Response @ golang

http

// func Get(url string) (resp *Response, err error)
resp, err := http.Get("http://example.com/")

func Get

package main

import (
	"fmt"
	"net/http"
	"os"
)

func main() {

	resp, err := http.Get("https://pjchender.github.io")
	if err != nil {
		fmt.Printf("Error: %v", err)
		os.Exit(1)
	}

  // 下面四句可以簡寫成一句
  // io.Copy(os.Stdout, resp.Body)
	bs := make([]byte, 99999)
	n, err := resp.Body.Read(bs)
	fmt.Println(n)
	fmt.Println(string(bs))
}

Post request

post with form

func RevokeToken(clientID, clientSecret string, token *oauth2.Token) error {
	formData := url.Values{
		"token":           {token.AccessToken},
		"token_type_hint": {"access_token"},
	}
	payload := strings.NewReader(formData.Encode())

	client := &http.Client{}
	req, err := http.NewRequest(http.MethodPost, <url>, payload)
	if err != nil {
		return fmt.Errorf("[pkg/pcc] http.NewRequest failed: %v", err)
	}

	req.Header.Add("Content-Type", "application/x-www-form-urlencoded")

	res, err := client.Do(req)
	if err != nil {
		return fmt.Errorf("client.Do failed: %v", err)
	}
	defer res.Body.Close()

	if code := res.StatusCode; code < 200 || code > 299 {
		return fmt.Errorf("http.PostForm failed: %v", err)
	}

	return nil
}