//根据Url地址得到网页的html源码
public static string GetWebContent(string Url)
{
string strResult = "";
try
{
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(Url);
//声明一个HttpWebRequest请求
request.Timeout = ;
//设置连接超时时间
request.Headers.Set("Pragma", "no-cache");
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
Stream streamReceive = response.GetResponseStream();
Encoding encoding = Encoding.GetEncoding("GB2312");
StreamReader streamReader = new StreamReader(streamReceive, encoding);
strResult = streamReader.ReadToEnd();
}
catch
{
Console.WriteLine("出错");
}
return strResult;
}
public string Search(string argAddress)
{
//要抓取的URL地址
StringBuilder sb = new StringBuilder();
//sb.Append("http://ditu.google.cn/maps");
//sb.Append("?");
//sb.Append("hl=zh-CN&newwindow=1&safe=strict");
//sb.Append("&q=");
//sb.Append(argAddress);
//sb.Append("&bav=on.2,or.&bvm=bv.44158598,d.dGI&biw=1440&bih=775&um=1&ie=UTF-8&sa=N&tab=wl");
sb.Append("http://query.customs.gov.cn/MNFTQ/MQuery.aspx");
//得到指定Url的源码
string strWebContent = GetWebContent(sb.ToString());
////生成HtmlDocument
//WebBrowser webb = new WebBrowser();
//webb.Navigate("about:blank");
//HtmlDocument htmldoc = webb.Document.OpenNew(true);
//htmldoc.Write(strWebContent);
//HtmlElementCollection htmlTR = htmldoc.GetElementsByTagName("TR");
//foreach (HtmlElement tr in htmlTR)
//{
// string address = string.Empty;
// try
// {
// string resultspanel = tr.Document.GetElementById("resultspanel").Document.GetElementById("panel_A_2").InnerText;
// string[] ContentLines = resultspanel.Split(new string[] { "\r\n" }, StringSplitOptions.None);//不忽略空行
// address = ContentLines[1];
// }
// catch { };
// //插入DataTable
// if (address != string.Empty)
// {
// return address;
// }
// else
// {
// continue;
// }
//}
return strWebContent;
}