结构体 字典 json 序列化 差异

 实践：

1、

import "encoding/json"

func mapVstruct2jsonMarshal() {
	t := struct {
		A string
		B int32
		C bool
	}{"a", 123, true}
	m := map[string]interface{}{
		"A": "a",
		"B": 123,
		"C": true,
	}

	b1, _ := json.Marshal(t)
	b2, _ := json.Marshal(m)

        t := map[string]interface{}{             "app_key":   app_key,             "version":   version,             "timestamp": timestamp_int,             "nonce_str": nonce_str,             "sign":      sign,         }         p, _ := json.Marshal(t)

https://mp.weixin.qq.com/s/dvLzS3t51Hq_fPK1FkumyQ