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public string HttpGet(string url, string queryString)
{
string responseData = null;
if (!string.IsNullOrEmpty(queryString))
{
url += "?" + queryString;
}
HttpWebRequest webRequest = WebRequest.Create(url) as HttpWebRequest;
webRequest.Method = "GET";
webRequest.ServicePoint.Expect100Continue = false;
webRequest.Timeout = 20000;
StreamReader responseReader = null;
try
{
responseReader = new StreamReader(webRequest.GetResponse().GetResponseStream());
responseData = responseReader.ReadToEnd();
}
catch
{
}
finally
{
webRequest.GetResponse().GetResponseStream().Close();//在这报错了
responseReader.Close();
responseReader = null;
webRequest = null;
}
return responseData;
}