Retrofit 是否支持将 JSON 作为参数传递，而将其作为普通参数调用? [英] Does Retrofit support passing JSON as parameter, yet call it as normal parameters?

问题描述

在对服务器的某些 API 调用上，而不是接口的正常参数，如下所示:

On some API calls to the server, instead of the normal parameters to the interface, like this:

interface SomeInterface {
    @POST("first_launch") fun sendFirstLaunch(
        @Path("referral_code") referralCode: String?,
        @Path("referral_source") referralSource: String?): Call<BaseDCResponse>
}

我们实际上需要将这些参数作为正文中的 JSON 发送.

We actually need to send those parameters as a JSON in the body.

我不是改造专家，但根据我的发现(这里 为例)，我只能向接口传递一个Json String，意思是:

I'm not an expert in Retrofit, but according to what I've found (here for example), I can only pass a Json String to the interface, meaning:

interface SomeInterface {
    @POST("first_launch") fun sendFirstLaunch(@Body jsonString: String): Call<BaseDCResponse>
}

根据此处，我相信我也可以发送序列化对象.意思是这样的:

According to here, I believe I can also send a serialized object, instead. Meaning something like:

interface SomeInterface {
    class SendFirstLaunchRequest(@Path("referral_code") val referralCode: String?,
        @Path("referral_source") val referralSource: String?)

    @POST("first_launch") fun sendFirstLaunch(
        @Body body: SendFirstLaunchRequest): Call<BaseDCResponse>
}

这失去了访问函数的好方法，同时让我为我放在界面上的每个函数手动添加 Json 数据(或创建新类以传递那里).我想避免这种情况，并有一些类似于原始的东西.

This loses the nice way to reach the function, while making me add the Json data manually for each function I put on the interface (or create new classes to pass there). I want to avoid this, and have something similar to the original.

我试图越来越多地搜索有关此内容的信息，但似乎没有人要求这样做.

I tried to search more and more about this, but it doesn't seem like this was requested.

也许我看到了答案但没看懂.

Maybe I saw the answers but didn't understand them.

我认为即使是官方网站也显示了一些线索:

I think even the official website shows some clues about this:

https://square.github.io/retrofit/

看到我认为不可能，我也添加了一个请求这里.

Seeing that I don't think it's possible, I've also added a request for it here.

1. Retrofit 是否允许将我设置的参数发送给函数，将 Json 数据作为主体发送?

1. Does Retrofit allow to send the parameters I set to the function, to be a Json data as a body?

如果没有，有什么好的解决方法吗?我是否正确，我只能传递一个序列化的对象?如果是这样，正确的方法是什么?也许像这里?

If not, is there any nice workaround for this? Am I correct that I could only pass a serialized object instead? If so, what's the proper way to do it? Maybe like here?

推荐答案

似乎没有，并且有人请求提供一些东西来帮助处理这个问题:

Seems it doesn't, and that there is a request to offer something to help handling with this:

https://github.com/square/retrofit/issues/2890

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