如何在elm中将dict转换为JSON？或者有没有什么方法可以像我们在JS中所做的那样对dict进行字符串化？

如何将上述声明的字典值转换为JSON或字符串？

假设

Dict

实际上指的是

内部记录，则应使用以下代码将其编码为JSON对象：

您的代码中没有
Dict
s。你是说唱片类型吗？
    = Sku Internals


type alias Internals =
    { id : String --                    READONLY
    , name : String --                  READ/WRITE
    , imgExtras : ( List ImgExtra, String ) --      READ/WRITE
    , availableSizes : List String --   READ/WRITE
  }

import Json.Encode as Encode

encodeInternals : Internals -> Encode.Value
encodeInternals internals =
    Encode.object
        [ ( "id", Encode.string internals.string )
        , ( "name", Encode.string internals.name )
        , ( "imgExtras", encodeImgExtras internals.imgExtras )
        , ( "availableSizes", encodeAvailableSizes internals.availableSizes )
        ]

encodeImgExtras : (List ImgExtra, String) -> Encode.Value
encodeImgExtras (imgExtras, string) =
    -- There's no equivalent of a tuple in JSON, so we encode it as an array. But you can of course choose any representation you'd like.
    Encode.list
        [ Encode.list encodeImgExtra imgExtras
        , Encode.string string
        ]

encodeImgExtra : ImgExtra -> Encode.Value
encodeImgExtra imgExtra =
    -- You'll need to implement this one yourself, as you haven't provided its definition.
    ...

encodeAvailableSizes : List String -> Encode.Value
encodeAvailableSizes availableSizes =
    Encode.list Encode.string availableSizes