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/// <summary>

/// 獲取網頁html源文件

/// </summary>

/// <param name="url">網頁地址</param>

/// <param name="encodingStr">網頁文件編碼字符串</param>

/// <returns>html源文件</returns>

#region GetPageSource

public static string GetPageSource(string url, string encodingStr)

{

HttpWebResponse res = null;

string strResult = "";

try

{

HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url);

//req.Method = "POST";

req.KeepAlive = true;

req.ContentType = "application/x-www-form-urlencoded";

req.Accept = "text/Html,application/xhtml+XML,application/xml;q=0.9,*/*;q=0.8";

req.UserAgent = "Mozilla/5.0 (Windows; U; Windows NT 5.2; zh-CN; rv:1.9.2.8) Gecko/20100722 Firefox/3.6.8";

res = (HttpWebResponse)req.GetResponse();

StreamReader reader = new StreamReader(res.GetResponseStream(), Encoding.GetEncoding(encodingStr));

strResult = reader.ReadToEnd();

reader.Close();

}

catch

{

}

finally

{

if (res != null)

{

res.Close();

}

}

return strResult;

}

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