ASP.NET技巧:请求网址并解析返回的html
作者 佚名技术
来源 NET编程
浏览
发布时间 2012-04-11
目的,把远程服务器传回的Html,解析到类里面,为GridView等提供数据源 1 、向远程服务器Post数据 public int PostData(string url, string data, out string info){ info = ""; CookieContainer cc = new CookieContainer(); HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest; request.CookieContainer = cc; request.Method = "POST"; request.ContentType = "application/x-www-form-urlencoded"; Stream requestStream = request.GetRequestStream(); byte[] byteArray = Encoding.UTF8.GetBytes(data); requestStream.Write(byteArray, 0, byteArray.Length); requestStream.Close(); HttpWebResponse response = request.GetResponse() as HttpWebResponse; Uri responseUri = response.ResponseUri; Stream receiveStream = response.GetResponseStream(); Encoding encode = System.Text.Encoding.GetEncoding("utf-8"); StreamReader readStream = new StreamReader(receiveStream, encode); string result = readStream.ReadToEnd(); info = result; return 0; } 2、解析返回的html,有省略 public ClassInfo[] GetClass(string html) { ArrayList ar = new ArrayList(); ArrayList arr = new ArrayList(); string table = ""; Regex regtable = new Regex(@"(?<=).*?(?= )", RegexOptions.Singleline); |
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