public static async Task<string> GetData(string url, string data)
{
    UriBuilder fullUri = new UriBuilder(url);

    if (!string.IsNullOrEmpty(data))
        fullUri.Query = data;

    HttpClient client = new HttpClient();

    HttpResponseMessage response = await client.PostAsync(new Uri(url), /*expects HttpContent*/);

    response.Content.Headers.ContentType = new MediaTypeHeaderValue("application/json");
    response.EnsureSuccessStatusCode();
    string responseBody = await response.Content.ReadAsStringAsync();

    return responseBody;
}
PostAsync采用另一个参数,该参数需要为HttpContent

如何设置HttpContent?在任何地方都没有适用于Windows Phone 8的文档。

如果我执行GetAsync,那么效果很好!但是它必须是POST,其内容为key =“bla”,something =“yay”

//编辑

非常感谢您的回答...效果很好,但是在这里仍然不确定:
    public static async Task<string> GetData(string url, string data)
    {
        data = "test=something";

        HttpClient client = new HttpClient();
        StringContent queryString = new StringContent(data);

        HttpResponseMessage response = await client.PostAsync(new Uri(url), queryString );

        //response.Content.Headers.ContentType = new MediaTypeHeaderValue("application/json");
        response.EnsureSuccessStatusCode();
        string responseBody = await response.Content.ReadAsStringAsync();

        return responseBody;
    }

我假定的数据“test = something”将在api方面作为发布数据“test”获得,显然不是。另一方面,我可能需要通过发布数据来发布整个对象/数组,因此我认为json将是最好的选择。关于如何获取帖子数据的任何想法?

也许像这样:
class SomeSubData
{
    public string line1 { get; set; }
    public string line2 { get; set; }
}

class PostData
{
    public string test { get; set; }
    public SomeSubData lines { get; set; }
}

PostData data = new PostData {
    test = "something",
    lines = new SomeSubData {
        line1 = "a line",
        line2 = "a second line"
    }
}
StringContent queryString = new StringContent(data); // But obviously that won't work

最佳答案

Can't find how to use HttpContent以及此blog post的某些答案中都可以得到回答。

总而言之,您不能直接设置HttpContent的实例,因为它是一个抽象类。您需要根据需要使用从其派生的类之一。最有可能的StringContent,它使您可以在构造函数中设置响应的字符串值,编码和媒体类型。另请:http://msdn.microsoft.com/en-us/library/system.net.http.stringcontent.aspx

关于c# - 如何为HttpClient PostAsync第二个参数设置HttpContent?,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/18971510/

10-11 22:26