发请求，接收接送，并解析
package main
import (
"fmt"
"net/http"
"io/ioutil"
"net/url"
"encoding/json"
"os"
)
type Student struct {
Name string
Age int
Guake bool
Classes []string
Price float32
}
func (s *Student) ShowStu() {
fmt.Println("show Student :")
fmt.Println("\tName\t:", s.Name)
fmt.Println("\tAge\t:", s.Age)
fmt.Println("\tGuake\t:", s.Guake)
fmt.Println("\tPrice\t:", s.Price)
fmt.Printf("\tClasses\t: ")
for _, a := range s.Classes {
fmt.Printf("%s ", a)
}
fmt.Println("")
}
type multitypeTest struct {
One string `json:"one"`
Two string `json:"two"`
}
func (s *multitypeTest) Showmul() {
fmt.Println("show Student :")
fmt.Println("\tName\t:", s.One)
fmt.Println("\tAge\t:", s.Two)
}
func IndexHandler(w http.ResponseWriter, r *http.Request) {
fmt.Fprintln(w, "hello world")
}
func main() {
//jsonTest()
httpGet()
}
func httpPostForm() {
resp, err := http.PostForm("",
url.Values{"key": {"Value"}, "id": {"123"}})
if err != nil {
// handle error
}
defer resp.Body.Close()
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
// handle error
}
fmt.Println(string(body))
}
func httpGet() {
resp, err := http.Get("https://X.rong360.com/XXX/XXX")
CheckError(err)
defer resp.Body.Close()
body, err := ioutil.ReadAll(resp.Body)
CheckError(err)
fmt.Println(string(body))
//f1 := &multitypeTest{
// One:"a",
// Two:"b",
// }
//f1.Showmul()
//fjson1, err := json.Marshal(f1)
//fmt.Println(string(fjson1))
CheckError(err)
f2 := &multitypeTest{}
err = json.Unmarshal([]byte(body), &f2)
CheckError(err)
f2.Showmul()
}
func jsonTest() {
//解析固定结构的json
st := &Student{
"Xiao Ming",
16,
true,
[]string{"Math", "English", "Chinese"},
9.99,
}
st1, err := json.Marshal(st)
fmt.Println(string(st1))
CheckError(err)
stb := &Student{}
err = json.Unmarshal([]byte(st1), &stb)
stb.ShowStu()
//
//b := []byte(`{1:"Wednesday",2:6,3:["Gomez","Morticia"]}`)
////解析未知结构的json
//var f interface{}
//err = json.Unmarshal(b, &f)
//CheckError(err)
//这是f里面存储的是一个键值对的map
//f = map[string]interface{}{
// "Name": "Wednesday",
// "Age": 6,
// "Parents": []interface{}{
// "Gomez",
// "Morticia",
// },
//}
//m := f.(map[interface{}]interface{})
//for k, v := range m {
// switch vv := v.(type) {
// case string:
// fmt.Println(k, "is string", vv)
// case int:
// fmt.Println(k, "is int", vv)
// case float64:
// fmt.Println(k, "is float64", vv)
// case []interface{}:
// fmt.Println(k, "is an array:")
// for i, u := range vv {
// fmt.Println(i, u)
// }
// default:
// fmt.Println(k, "is of a type I don‘t know how to handle")
// }
//}
}
func CheckError(err error) {
if err != nil {
fmt.Fprintf(os.Stderr, "Fatal error: %s", err.Error())
os.Exit(1)
}
}