c#获取网页html源码_c#根据链接地址获取网页源码

/// <summary>
/// 获取网页html源码
/// </summary>
/// <param name="url">链接 eg:http://www.dgjs123.com/ </param>
/// <param name="charset">编码 eg:Encoding.UTF8</param>
/// <returns>html源码</returns>
public static string GetHtmlSource(string url, Encoding charset)
{
string _html = string.Empty;
try
{
 HttpWebRequest _request = (HttpWebRequest)WebRequest.Create(url);
 HttpWebResponse _response = (HttpWebResponse)_request.GetResponse();
 using (Stream _stream = _response.GetResponseStream())
 {
using (StreamReader _reader = new StreamReader(_stream, charset))
{
  _html = _reader.ReadToEnd();
}
 }
}
catch (WebException ex)
{
 using (StreamReader sr = new StreamReader(ex.Response.GetResponseStream()))
 {
_html = sr.ReadToEnd();
 }
}
catch (Exception ex)
{
 _html = ex.Message;
}
return _html;
}

public static void GetHtmlSourceTest()
{
string _url = "http://www.dgjs123.com/";
string _htmlSource = HttpWebRequestUtilsV2.GetHtmlSource(_url, Encoding.UTF8);
Console.WriteLine(_htmlSource);
}