.net抓取页面内容保存到本地html文件

主要用到的是WebRequest和WebResponse

protected void ToHtml()
    {
        WebRequest request = WebRequest.Create("http://www.hao123.com");
        WebResponse response = request.GetResponse();
        StreamReader reader = new StreamReader(response.GetResponseStream(), System.Text.Encoding.UTF8);
        string content = reader.ReadToEnd();
        if (content.Length > 0)
        {
            string htmlFileName = DateTime.Now.ToString("yyyyMMdd-hhmmss") + ".html";
            StreamWriter writer = new StreamWriter(Server.MapPath("Html/") + htmlFileName, false, System.Text.Encoding.UTF8);
            try
            {
                writer.Write(content);
            }
            catch (Exception ee)
            {
                throw (ee);
            }
        }
    }