golang通过http访问外部网址的操作方法

public function ceshi_return()
{
   $data = $this->request->param();
   $id = $data['id'];
   $res = Db::name('user')->field('id,status,price,name')->where(['id'=>$id])->find();
   $this->ajaxReturn($res);
}

package utils
func GetRequest(url string) string {
	client := &http.Client{Timeout: 5 * time.Second}
	resp, err := client.Get(url)
	if err != nil {
		panic(err)
	}
	defer resp.Body.Close()
	result, _ := ioutil.ReadAll(resp.Body)
	return string(result)
}

type GetData struct {
	Id     int    `json:"id"`
	Status int    `json:"status"`
	Price  int    `json:"price"`
	Name   string `json:"name"`
}
func GetUserData(c *gin.Context) {
	id := c.PostForm("id")
	url := "https://www.xxxx.com/admin/login/ceshi_return?id=" + id
	data := utils.GetRequest(url)
	d := []byte(data)
	var g GetData
	_ = json.Unmarshal(d, &g)
	c.JSON(http.StatusOK, gin.H{
		"code": 200,
		"msg":  "查询成功",
		"data": g,
	})
}

package utils
func PostRequest(url string, data interface{}) string {
	client := &http.Client{Timeout: 5 * time.Second}
	jsonStr, _ := json.Marshal(data)
	resp, err := client.Post(url, "application/json", bytes.NewBuffer(jsonStr))
	if err != nil {
		panic(err)
	}
	defer resp.Body.Close()
	result, _ := ioutil.ReadAll(resp.Body)
	return string(result)
}

//采用结构体的方式,来装要发送的数据
type PostData struct {
	Id int `json:"id"`
}
// 访问外部地址
func PostUserData(c *gin.Context) {
	id := c.PostForm("id")
	var p PostData
	p.Id, _ = strconv.Atoi(id)
	url := "https://www.xxxx.com/admin/login/ceshi_return"
	data := utils.PostRequest(url, p)
	fmt.Print(data)
	d := []byte(data)
	var g GetData
	_ = json.Unmarshal(d, &g)
	c.JSON(http.StatusOK, gin.H{
		"code": 200,
		"msg":  "查询成功",
		"data": g,
	})
}