如何通过 httpresponse 读取以获得 return 值：

Question

我想我快要让它工作了，但我不确定如何获取内容以找出内容中返回的结果消息是什么，看看它是否是一个好的记录，我只是不知道不知道怎么办。我已经接近...可以在 Visual Studio 当地人中看到我的价值观，但无法接触到他们。

这些是我的数据classes:

public class PurchaseOrder
{
    private List<POHeader> _headers = new List<POHeader>();
    private List<PODetail> _details = new List<PODetail>();

    [JsonProperty("HeaderAttributes")]
    public List<POHeader> Header
    {
        get { return _headers; }
        set { _headers = value; }
    }

    [JsonProperty("LineAttributes")]
    public List<PODetail> Details
    {
        get { return _details; }
        set { _details = value; }
    }    
}

public class POHeader
{
    private string _poNumber;
    private int _resultCode;
    private string _resultMessage;

    [JsonProperty("po_number")]
    public string PONumber
    {
        get { return _poNumber; }
        set { _poNumber = value; }
    }

    [JsonProperty("result_code")]
    public int ResultCode
    {
        get { return _resultCode; }
        set { _resultCode = value; }
    }

    [JsonProperty("result_msg")]
    public string ResultMsg
    {
        get { return _resultMessage; }
        set { _resultMessage = value; }
    }    
}

这是在 APIClient class:

public async Task<HttpResponseMessage> PostStreamAsync(string requestUrl, CancellationToken cancellationToken, object content)
{
    addHeaders();

    using (var request = new HttpRequestMessage(HttpMethod.Post, requestUrl))
    using (var httpContent = CreateHttpContentForStream(content))
    {
        request.Content = httpContent;

        using (var response = await _httpClient
            .SendAsync(request, HttpCompletionOption.ResponseHeadersRead, cancellationToken)
            .ConfigureAwait(false))
        {
            response.EnsureSuccessStatusCode();
            return response;
        }
    }
}

这是我在 TransmitPO 中的任务 class:

public static async Task TransmitToService(List<PurchaseOrder> orders, CancellationToken cancellationToken, string path)
{
    ApiClient _client = new ApiClient(new Uri("myUrl"), "code");

    var results = await _client.PostStreamAsync(path, cancellationToken, orders);
    var deserializedResults = JsonConvert.DeserializeObject<List<PurchaseOrder>>(results);
}

这就是我通过流程代码运行调用它的方式：

await TransmitToService(poList, CancellationToken.None, poPath);

这是我创建 HttpClient 的地方...好、坏还是更糟？ public 部分 class ApiClient { 私有只读 HttpClient _httpClient；私人 Uri BaseEndpoint { 得到;放; }

    private string AuthToken { get; set; }

    public ApiClient(Uri baseEndpoint, string bToken)
    {
        BaseEndpoint = baseEndpoint;
        AuthToken = bToken;
        _httpClient = new HttpClient();
    }
}

Answer 1

您正在尝试反序列化（已处置）HttpResponseMessage，而不是其内容。

private static readonly HttpClient _httpClient = new HttpClient();

public async Task<T> PostStreamAsync<T>(string requestUrl, CancellationToken cancellationToken, object content)
{
    addHeaders();

    using (var request = new HttpRequestMessage(HttpMethod.Post, requestUrl))
    using (var httpContent = CreateHttpContentForStream(content))
    {
        request.Content = httpContent;

        using (var response = await _httpClient
            .SendAsync(request, HttpCompletionOption.ResponseHeadersRead, cancellationToken)
            .ConfigureAwait(false))
        {
            response.EnsureSuccessStatusCode();
            return JsonConvert.DeserializeObject<T>(await response.Content.ReadAsStringAsync().ConfigureAwait(false));
        }
    }
}

var deserializedResults = _client.PostStreamAsync<List<PurchaseOrder>>(path, cancellationToken, orders);

另外你应该确保你没有为每个请求创建新的 HttpClient，否则你会得到不稳定的 ApiClient 实现。

如何通过 httpresponse 读取以获得 return 值：

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