/// <summary>
/// 使用 POST 方式提交请求，需要调用方自行释放响应对象
/// </summary>
/// <param name="uri">请求路径</param>
/// <param name="configuration">HTTP 配置</param>
public static T Delete <T>(string uri, HttpConfiguration configuration)
{
if (configuration == null)
{
configuration = new HttpConfiguration <T>();
}
configuration.Method = HttpMethod.Delete;
var response = WebHelper.Send(uri, configuration);
return(WebHelper.ReadAsResult <T>(response, configuration));
}
// 从响应流中读取响应为实体
static async Task <T> ReadAsResultAsync <T>(HttpResponseMessage response, HttpConfiguration configuration)
{
Stream stream = null;
try
{
//Encoding encoding = null;
//var content = response.Content;
//if (content != null && content.Headers != null && content.Headers.ContentType != null && !string.IsNullOrEmpty(content.Headers.ContentType.CharSet))
// encoding = Encoding.GetEncoding(response.Content.Headers.ContentType.CharSet);
//stream = await response.Content.ReadAsStreamAsync();
//return WebHelper.ReadAsResult<T>(stream, encoding, deserializer);
var content = response.Content;
var conf = configuration as HttpConfiguration <T>;
var deserializer = conf != null ? conf.Deserializer : null;
Encoding encoding = configuration.Encoding;
if (encoding == null)
{
encoding = content != null && content.Headers != null && content.Headers.ContentType != null && !string.IsNullOrEmpty(content.Headers.ContentType.CharSet)
? Encoding.GetEncoding(content.Headers.ContentType.CharSet)
: null;
}
stream = await response.Content.ReadAsStreamAsync();
if (content.Headers != null && content.Headers.ContentEncoding != null && content.Headers.ContentEncoding.Contains("gzip"))
{
stream = new GZipStream(stream, CompressionMode.Decompress);
}
else if (content.Headers != null && content.Headers.ContentEncoding != null && content.Headers.ContentEncoding.Contains("deflate"))
{
stream = new DeflateStream(stream, CompressionMode.Decompress);
}
return(WebHelper.ReadAsResult <T>(stream, encoding, deserializer));
}
finally
{
if (stream != null)
{
stream.Close();
}
if (response != null)
{
response.Dispose();
}
}
}
// 从响应流中读取响应为实体
static T ReadAsResult <T>(HttpWebResponse response, HttpConfiguration configuration)
{
Stream stream = null;
try
{
var conf = configuration as HttpConfiguration <T>;
var deserializer = conf != null ? conf.Deserializer : null;
Encoding encoding = configuration.Encoding;
if (encoding == null)
{
encoding = !string.IsNullOrEmpty(response.CharacterSet)
? Encoding.GetEncoding(response.CharacterSet)
: null;
}
stream = response.GetResponseStream();
if (response.ContentEncoding == "gzip")
{
stream = new GZipStream(stream, CompressionMode.Decompress);
}
else if (response.ContentEncoding == "deflate")
{
stream = new DeflateStream(stream, CompressionMode.Decompress);
}
return(WebHelper.ReadAsResult <T>(stream, encoding, deserializer));
}
finally
{
if (stream != null)
{
stream.Close();
}
if (response != null)
{
response.Close();
}
}
}