调用http post方法时xml数据的序列化程序(Ktor lib)

import io.ktor.client.HttpClient
import io.ktor.client.features.HttpTimeout
import io.ktor.client.features.json.JsonFeature
import io.ktor.client.features.json.JsonSerializer
import io.ktor.client.features.json.defaultSerializer
import io.ktor.client.features.logging.LogLevel
import io.ktor.client.features.logging.Logging
import io.ktor.client.request.post
import io.ktor.http.ContentType
import io.ktor.http.HttpHeaders
import io.ktor.http.HttpMethod
import io.ktor.http.contentType

data class MyData(val name: String, val age: Int)

suspend fun postData(data: MyData) {
    val client = HttpClient {
        install(JsonFeature) {
            serializer = defaultSerializer()
        }
        install(Logging) {
            level = LogLevel.ALL
        }
        install(HttpTimeout)
    }

    val xmlData = buildString {
        append("<root>")
        append("<name>${data.name}</name>")
        append("<age>${data.age}</age>")
        append("</root>")
    }

    val response = client.post<String> {
        url("https://example.com/api")
        method = HttpMethod.Post
        contentType(ContentType.Application.Xml)
        body = xmlData
        header(HttpHeaders.Authorization, "Bearer token")
    }

    println(response)
}

fun main() {
    val data = MyData("John Doe", 25)
    postData(data)
}