将具有重复字段的字符串解组到json中

Question

Trying to unmarshal a string into json, but my struct definitions don't work. How can it be fixed?

package main

import "fmt"
import "encoding/json"

func main() {
    x := `{
    "Header": {
        "Encoding-Type": [
            "gzip"
        ],
        "Bytes": [
            "29"
        ]
    }
}`

    type HeaderStruct struct {
        A string
        B []string
    }
    type Foo struct {
        Header HeaderStruct
    }


    var f Foo 
    if e := json.Unmarshal([]byte(x), &f); e != nil {
        fmt.Println("Failed:", e)
    } else {
        fmt.Println("unmarshalled=", f)
    }

}

Answer 1

The names of your variables don't match the names of the json keys and both of them are []string. You can do

type HeaderStruct struct {
    A []string `json:"Encoding-Type"`
    B []string `json:"Bytes"
}