将Java 9 HttpClient代码升级到Java 11:BodyProcessor和asString（）

它显然可以在Java9下工作，但不能在Java11下编译。它使用jdk.incubator.httpclient API，并根据answer更改模块信息，这在很大程度上起作用，但超过了包的更改

我仍然无法修复的代码如下：

private static JSONObject sendRequest(JSONObject json) throws Exception {
    HttpClient client = HttpClient.newHttpClient();
    HttpRequest httpRequest = HttpRequest.newBuilder(new URI(BASE_URL))
            .header("Accept", "application/json")
            .header("Content-Type", "application/json")
            .timeout(TIMEOUT_DURATION)
            .POST(HttpRequest.BodyProcessor.fromString(json.toString()))
            .build();

    HttpResponse<String> httpResponse = client.send(httpRequest, HttpResponse.BodyHandler.asString());
    String jsonResponse = httpResponse.body();

    return new JSONObject(jsonResponse);
}

如何将代码转换为等效的Java 11版本？

看起来您需要替换HttpResponse.BodyHandler.asString和HttpRequest.BodyProcessor.fromStringString。旧的Java9文档

您的代码将如下所示

private static JSONObject sendRequest(JSONObject json) throws Exception {
    HttpClient client = HttpClient.newHttpClient();
    HttpRequest httpRequest = HttpRequest.newBuilder(new URI(BASE_URL))
            .header("Accept", "application/json")
            .header("Content-Type", "application/json")
            .timeout(TIMEOUT_DURATION)
            .POST(HttpRequest.BodyPublishers.ofString(json.toString()))
            .build();

    HttpResponse<String> httpResponse = client.send(httpRequest, HttpResponse.BodyHandlers.ofString());
    String jsonResponse = httpResponse.body();

    return new JSONObject(jsonResponse);
}

private static JSONObject sendRequest(JSONObject json) throws Exception {
    HttpClient client = HttpClient.newHttpClient();
    HttpRequest httpRequest = HttpRequest.newBuilder(new URI(BASE_URL))
            .header("Accept", "application/json")
            .header("Content-Type", "application/json")
            .timeout(TIMEOUT_DURATION)
            .POST(HttpRequest.BodyPublishers.ofString(json.toString()))
            .build();

    HttpResponse<String> httpResponse = client.send(httpRequest, HttpResponse.BodyHandlers.ofString());
    String jsonResponse = httpResponse.body();

    return new JSONObject(jsonResponse);
}