Go语言使用匿名结构体解析JSON数据

 1 package main
 2 
 3 import (
 4     "encoding/json"
 5     "fmt"
 6 )
 7 
 8 type Screen struct {
 9     Size       float32 //屏幕尺寸
10     ResX, ResY int     //水平和垂直分辨率
11 }
12 
13 type Battery struct {
14     Capacity int //电池容量
15 }
16 
17 func getJsonData() []byte {
18     raw := &struct {
19         Screen
20         Battery
21         HasTouchID bool
22     }{
23         Screen: Screen{
24             Size: 5.5,
25             ResX: 1920,
26             ResY: 1080,
27         },
28         Battery: Battery{
29             2910,
30         },
31         HasTouchID: true,
32     }
33     jsonData, _ := json.Marshal(raw)
34     return jsonData
35 }
36 func main() {
37     jsonData := getJsonData()
38     fmt.Printf(string(jsonData))
39 
40     screenAndTouch := struct {
41         Screen
42         HasTouchID bool
43     }{}
44 
45     json.Unmarshal(jsonData, &screenAndTouch)
46     fmt.Printf("%+v\n", screenAndTouch)
47 }