如何为 Retrofit @Query 参数使用自定义类型?

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给定以下 Retrofit 接口:

@GET("offices") fun getOffices(@Query("uid") uid: String, @Query("lat") latitude: Double, @Query("lon") longitude: Double ): Call<List<Office>>

如何用更友好的GeoLocation 类型替换位置参数...

How can I replace the location parameters with a more user friendly GeoLocation type ...

data class GeoLocation( val latitude: Double, val longitude: Double )

... 在请求时自动转换为 lat 和 lon 如:

... which is automatically converted to lat and lon at request time such as:

@GET("offices") fun getOffices(@Query("uid") uid: String, @Query("location") location: GeoLocation ): Call<List<Office>>

这是改造设置:

fun createRetrofit(baseUrl: String, okHttpClient: OkHttpClient): Retrofit { val moshi = Moshi.Builder() .build() return Retrofit.Builder() .baseUrl(baseUrl) .addConverterFactory(MoshiConverterFactory.create(moshi)) .client(okHttpClient) .build() }

推荐答案

如果您关心用户友好的访问，您可以创建一个包装函数.这样你就不必搞乱你的 Retrofit 配置

If userfriendly access is your concern, you could just create a wrapper function. This way you don't have to mess with your Retrofit configuration at all

fun getOffices(uid: String, location: GeoLocation): Call<List<Office>> { return getOfficesIf(uid, location.lat, location.lon) } @GET("offices") fun getOfficesIf(@Query("uid") uid: String, @Query("lat") latitude: Double, @Query("lon") longitude: Double ): Call<List<Office>>