httpclient测试效果

httpclient在调用的时候，代码：

public class ClientTest

{

  private HttpClient client = new HttpClient();

 

//方法一。

private  async Task Test1(){

 

//这一句不能省略，生路就报500，设置UserAgent

 client.DefaultRequestHeaders.Add("UserAgent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");

 var responseMessage = await client.GetAsync("url").ConfigureAwait(false);

if (responseMessage.IsSuccessStatusCode)
{
string redd = await responseMessage.Content.ReadAsStringAsync().ConfigureAwait(false);
}

 }

 

 

//方法二
public string TestAsync2()
{
string result = String.Empty;
StreamReader reader = null;
try
{
 
string urlNameString = "url";
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(urlNameString);
request.Method = "GET";
// request.ContentType = "text/html;charset=UTF-8";
// request.Accept = "*/*";
request.UserAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)";

HttpWebResponse response = (HttpWebResponse)request.GetResponse();
Stream responseStream = response.GetResponseStream();
reader = new StreamReader(responseStream, Encoding.GetEncoding("utf-8"));
result = reader.ReadToEnd();

reader.Close();
responseStream.Close();
response.Close();
reader = null;
responseStream = null;
response = null;
}
catch (Exception ex)
{
Console.WriteLine("发送GET请求出现异常：" + ex.Message);
}
finally
{
if (reader != null)
{
reader.Close();
}
}
return result;
}