示例#1
0
        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);
            }
        }