C#手动创建HttpRequest

来源：互联网发布：淘宝开店要收一千吗编辑：程序博客网时间：2024/06/11 20:11

        public string WebRequest(Method method, string url, string postData)
        {
            HttpWebRequest webRequest = null;
            StreamWriter requestWriter = null;
            string responseData = "";

            webRequest = System.Net.WebRequest.Create(url) as HttpWebRequest;
            webRequest.Method = method.ToString();
            webRequest.ServicePoint.Expect100Continue = false;
            //webRequest.UserAgent = "Identify your application please.";
            //webRequest.Timeout = 20000;

            if (method == Method.POST || method == Method.PUT)
            {
                if (method == Method.PUT)
                {
                    webRequest.ContentType = "text/xml";
                    webRequest.Method = "PUT";
                }
                else
                    webRequest.ContentType = "application/x-www-form-urlencoded";
                //webRequest.ContentType = "multipart/form-data";

                //POST the data.
                requestWriter = new StreamWriter(webRequest.GetRequestStream());
                try
                {
                    requestWriter.Write(postData);
                }
                catch
                {
                    throw;
                }
                finally
                {
                    requestWriter.Close();
                    requestWriter = null;
                }
            }

responseData = WebResponseGet(webRequest);

webRequest = null;

return responseData;

}

        public string WebResponseGet(HttpWebRequest webRequest)
        {
            StreamReader responseReader = null;
            string responseData = "";

            try
            {
                responseReader = new StreamReader(webRequest.GetResponse().GetResponseStream());
                responseData = responseReader.ReadToEnd();
            }
            catch
            {
                throw;
            }
            finally
            {
                webRequest.GetResponse().GetResponseStream().Close();
                responseReader.Close();
                responseReader = null;
            }

return responseData;
}