Go: send the get request and parse the return JSON (go1.16.4)

One ,get The way of php Code and return :

Code ：

res.php

<?php
   $data = [
   'code'=>0,
   'msg'=>'success',
   'data'=>$_GET
   ];
   echo json_encode($data);
   exit;
?>

return :

explain ： Liu Hongdi's go The forest is a focus golang The blog of ,
           Address ：https://blog.csdn.net/weixin_43881017

explain ： author : Liu Hongdi mailbox : [email protected]

Two ,go Code :

testController.go

​// User information info
func (u *TestController) Get(c *gin.Context) {
    // obtain url, Initiate request 
    url := "http://127.0.0.1/res.php?username=laoliu"
    req, _ := http.NewRequest("GET", url, nil)
    res, _ := http.DefaultClient.Do(req)
    defer res.Body.Close()
    // Get the result back 
    body, _ := ioutil.ReadAll(res.Body)
    bodystr := string(body)
    // For returned json Analyze the data 
    var dataAttr map[string]interface{}
    var code string
    var username string
    if err := json.Unmarshal([]byte(bodystr), &dataAttr); err == nil {
        for idx, value := range dataAttr {
            fmt.Println(idx)
            fmt.Println(value)
            if (idx == "code") {
                code = fmt.Sprintf("%v", value)
            }
            if (idx == "data") {
                mapTmp := value.(map[string]interface{})
                username = mapTmp["username"].(string)
            }
        }
    } else {
        fmt.Println("json Parsing error :");
        fmt.Println(err.Error());
    }
    // return 
    m := map[string]interface{} {
        "resCode":code,
        "username":username,
    }
    resp := result.NewResult(c)
    resp.Success(m)
}
​

return :

3、 ... and , see go Version of :

[email protected]:~# go version
go version go1.16.4 linux/amd64