map接收json unmarshal出来的数据时注意

data := map[string]interface{}{}

jsonStrs := []string{
  `{"k1":"v1","k2":"v2"}`,
  `{"k3":"v3","k2":2}`,
  `{"k4":"v4","k5":"v5"}`,
}
for _, s := range jsonStrs {
  json.Unmarshal([]byte(s), &data)
}

for循环结束后data中会包含k1,k2,k3,k4,k5五个元素