我需要从API获取完整的响应,但我总是只得到65536字节,内容长度显示为176579。我尝试不停地读取,但仍然只得到65536字节。使用Postman可以获取完整答案,那么从WebResponse中读取的正确方法是什么?以下是我的代码:
string json = Request.ToJson(data);
string method = "POST";
string ContentType = "application/json; charset=utf-8";
HttpWebRequest client = (HttpWebRequest)WebRequest.Create(uri);
client.Method = method;
client.KeepAlive = true;
client.Timeout = 3000;
client.ReadWriteTimeout = 50000;
client.AllowWriteStreamBuffering = true;
client.ContentType = ContentType;
using (var streamWriter = new StreamWriter(client.GetRequestStream()))
{
streamWriter.Write(json);
streamWriter.Flush();
streamWriter.Close();
}
var errorResponse = client.GetResponse();
byte[] dt = ReadFully(errorResponse.GetResponseStream(), errorResponse.ContentLength);
var str = System.Text.Encoding.Default.GetString(dt);
这里是ReadFully
方法(从另一个答案复制):
private byte[] ReadFully(Stream stream, long initialLength)
{
// If we've been passed an unhelpful initial length, just
// use 32K.
byte[] bytes;
using (MemoryStream buffer = new MemoryStream((int)initialLength))
{
byte[] chunk = new byte[initialLength];
int bytesRead;
while ((bytesRead = stream.Read(chunk, 0, chunk.Length)) > 0)
{
buffer.Write(chunk, 0, bytesRead);
}
bytes = buffer.ToArray();
}
return bytes;
}
errorResponse
变量来自WebException.Response属性?因为如果您尝试读取WebException的Response属性,它将被限制为65536字节(您可以通过设置HttpWebRequest.DefaultMaximumErrorResponseLength
来增加)。 - Darin Dimitrov