获取HTML页面源代码

获取HTTP响应内容

原创于 2014-08-07 14:25:42 发布 · 2.1k 阅读

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        protected string GetHTTPReponse(string url, string webcode)
        {
            try
            {
                HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
                HttpWebResponse response = (HttpWebResponse)request.GetResponse();
                StreamReader reader = null;
                if (webcode.ToLower() == "gb2312")
                {
                    reader = new StreamReader(response.GetResponseStream(), Encoding.GetEncoding("gb2312"));
                }
                else if (webcode.ToLower() == "utf-8")
                {
                    reader = new StreamReader(response.GetResponseStream(), Encoding.UTF8);
                }
                else
                {
                    reader = new StreamReader(response.GetResponseStream(), Encoding.Default);
                }

                StringBuilder builder = new StringBuilder();
                builder.Append(reader.ReadToEnd());
                reader.Close();
                return builder.ToString();
            }
            catch (Exception err)
            {
                return string.Empty;
            }
        }