public StockItem getStock(string Num)
{
try
{
StockItem stock = new StockItem();
//指定來源網頁
WebClient url = new WebClient();
//將網頁來源資料暫存到記憶體內
MemoryStream ms = new MemoryStream(url.DownloadData("https://tw.stock.yahoo.com/q/q?s=" + Num.ToString()));
//以GoogleFinance為範例
// 使用預設編碼讀入 HTML
HtmlDocument doc = new HtmlDocument();
HtmlNode tempNode;
List <HtmlNode> tdNode;
string Text1, Text2;
doc.Load(ms, Encoding.GetEncoding("big5"));
tempNode = doc.DocumentNode.SelectSingleNode(@"/html[1]/body[1]/center[1]/table[2]/tr[1]/td[1]/table[1]/tr[2]");
// 取得股價
stock.Name = tempNode.SelectSingleNode(@"td[1]").InnerText.ToString();
if (stock.Name.IndexOf("加") > 0)
{
stock.Name = stock.Name.Remove(stock.Name.IndexOf("加"));
}
stock.Time = tempNode.SelectSingleNode(@"td[2]").InnerText.ToString();
stock.Deal = Decimal.Parse(tempNode.SelectSingleNode(@"td[3]").InnerText.ToString());
if (tempNode.SelectSingleNode(@"td[4]").InnerText.ToString() == "－")
{
stock.Buy = Decimal.Parse(tempNode.SelectSingleNode(@"td[5]").InnerText.ToString());
}
else
{
stock.Buy = Decimal.Parse(tempNode.SelectSingleNode(@"td[4]").InnerText.ToString());
}
if (tempNode.SelectSingleNode(@"td[5]").InnerText.ToString() == "－")
{
stock.Sell = Decimal.Parse(tempNode.SelectSingleNode(@"td[4]").InnerText.ToString());
}
else
{
stock.Sell = Decimal.Parse(tempNode.SelectSingleNode(@"td[5]").InnerText.ToString());
}
tdNode = tempNode.CssSelect("td").ToList();
Text1 = tdNode[5].InnerText.ToString();
Text2 = tdNode[6].InnerText.ToString();
stock.Change = Text1.Remove(Text1.IndexOf(Text2)).Trim();
stock.Volume = int.Parse(tdNode[6].InnerText.ToString().Replace(",", "").Trim());
stock.lastDay = Decimal.Parse(tdNode[7].InnerText.ToString().Trim());
stock.Open = Decimal.Parse(tdNode[8].InnerText.ToString().Trim());
stock.High = Decimal.Parse(tdNode[9].InnerText.ToString().Trim());
stock.Low = Decimal.Parse(tdNode[10].InnerText.ToString().Trim());
//清除資料
doc = null;
url = null;
ms.Close();
return(stock);
}
catch (System.IO.IOException e)
{
logger.Error(LogUtility.GetExceptionDetails(e));
return(null);
}
}