// 从响应流中读取响应为实体
static async Task <T> ReadAsResultAsync <T>(HttpResponseMessage response, Func <string, T> deserializer = null)
{
Stream stream = null;
try
{
Encoding encoding = null;
if (response.Content != null && response.Content.Headers != null && response.Content.Headers.ContentType != null)
{
encoding = Encoding.GetEncoding(response.Content.Headers.ContentType.CharSet);
}
stream = await response.Content.ReadAsStreamAsync();
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();
return(WebHelper.ReadAsResult <T>(stream, encoding, deserializer));
}
finally
{
if (stream != null)
{
stream.Close();
}
if (response != null)
{
response.Close();
}
}
}
/// <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 conf = configuration as HttpConfiguration <T>;
var response = WebHelper.Send(uri, configuration);
return(WebHelper.ReadAsResult <T>(response, conf));
}
