server
- func main() {
-     // http://127.0.0.1/add?a=1&b=2
-     http.HandleFunc("/add", func(w http.ResponseWriter, req *http.Request) {
-         // 1.获取参数
-         _ = req.ParseForm()
-         fmt.Println("path: ", req.URL.Path)
-         // 2.反序列化
-         a, _ := strconv.Atoi(req.Form["a"][0])
-         b, _ := strconv.Atoi(req.Form["b"][0])
-         w.Header().Set("Content-Type", "application/json")
-         jData, _ := json.Marshal(map[string]int{
-             "data": a + b,
-         })
-         _, _ = w.Write(jData)
-     })
-     http.ListenAndServe(":8080", nil)
- }
client
- func main() {
-     // http包
-     client := http.Client{}
-     res, _ := client.Get("http://localhost:8080/add?a=10&b=6")
-     ct := res.Header.Get("Content-Type")
-     date := res.Header.Get("Date")
-     fmt.Println("ct: ", ct)
-     fmt.Println("date: ", date)
-     url := res.Request.URL
-     code := res.StatusCode
-     status := res.Status
-     fmt.Println("url: ", url)
-     fmt.Println("code: ", code)
-     fmt.Println("status: ", status)
-     body := res.Body
-     readBodyStr, _ := ioutil.ReadAll(body)
-     fmt.Println("readBodyStr: ", string(readBodyStr))
- }