问使用更改JSON属性解除封送

EN

package main

import (
    "encoding/json"
    "fmt"
)

const json1 = `{"name": "foo", "details":[1, 2, 3]}`
const json2 = `{"name": "foo", "details":{"a": [1, 2, 3]}}`

type data struct {
    Name    string          `json:"name"`
    Details json.RawMessage `json:"details"`
}

type detailsone []int

type detailstwo struct {
    A []int `json:"a"`
}

func main() {
    var d1, d2 data
    json.Unmarshal([]byte(json1), &d1)
    json.Unmarshal([]byte(json2), &d2)

    fmt.Printf("%+v\n", d1)
    fmt.Printf("%+v\n", d2)

    var err error
    var b1 detailsone
    var b2 detailstwo

    // json1
    err = json.Unmarshal([]byte(d1.Details), &b1)
    if err == nil {
        fmt.Printf("d1 is an []int: %+v\n", b1)
    }
    err = json.Unmarshal([]byte(d1.Details), &b2)
    if err == nil {
        fmt.Printf("d1 is an detailstwo struct: %+v\n", b2)
    }

    // json2
    err = json.Unmarshal([]byte(d2.Details), &b1)
    if err == nil {
        fmt.Printf("d2 is an []int: %+v\n", b1)
    }
    err = json.Unmarshal([]byte(d2.Details), &b2)
    if err == nil {
        fmt.Printf("d2 is an detailstwo struct: %+v\n", b2)
    }
}

type Base struct {
    Data map[string]interface{}

    Details struct {
        *D1
        *D2
    } `json:"details"
}

type D1 struct {
    Detail1 string
    Detail2 string
}

type D2 struct {
    AnotherDetail1 string
    AnotherDetail2 string
}