c#后台获取asxh的返回数据,后台创建一个请求实例,获取请求实例的返回值
public string GetResponseByPost(string apiUrl, string queryString)
{
string responseString = string.Empty;
HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(apiUrl + queryString);
request.ContentType = "text/html";
request.Method = "POST";
request.ContentLength = queryString.Length;
request.Timeout = 20000;
byte[] bytes = Encoding.UTF8.GetBytes(queryString);
Stream os = null;
try
{ // send the Post
request.ContentLength = bytes.Length; //Count bytes to send
os = request.GetRequestStream();
os.Write(bytes, 0, bytes.Length); //Send it
}
catch (WebException ex)
{
throw ex;
}
finally
{
if (os != null)
{
os.Close();
}
} HttpWebResponse response = null;
try
{
response = (HttpWebResponse)request.GetResponse();
using (StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.UTF8))
{
responseString = reader.ReadToEnd();
}
}
catch (Exception ex2)
{
throw ex2;
}
finally
{
if (response != null)
response.Close();
}
return responseString;
}
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