/// <summary>
/// 开始爬取高手操作数据
/// </summary>
/// <param name="pageNum"></param>
/// <param name="loopTime"></param>
public static Message Excute(int pageNum = 1, int loopTime = 0)
{
System.GC.Collect();
LogUtility.LogAction(string.Format(@"爬取第{0}页", pageNum));
isStopPoint = false;
string _refererUrl = "http://group.eastmoney.com/Master.html?type=GSCZ";
string url = "http://group.eastmoney.com/findmaster{0}.html";
IHttpProvider httpProvider = new HttpProvider();
url = string.Format(url, pageNum);
//Get请求方式
HttpResponseParameter responseParameter1 = httpProvider.Excute(new HttpRequestParameter
{
Url = url,
RefererUrl = _refererUrl,
IsPost = false,
Encoding = Encoding.UTF8
});
string htmlContent = responseParameter1.Body;
HtmlDocument htmlDoc = new HtmlDocument();
htmlDoc.LoadHtml(htmlContent);
string nodeName = "//tbody";
HtmlNode tbodyNode = htmlDoc.DocumentNode.SelectSingleNode(nodeName);
if (tbodyNode != null && !string.IsNullOrWhiteSpace(tbodyNode.InnerText.Trim()))
{
bool isSave = AnalysisHtml(htmlDoc, pageNum);
#region 入库失败，重试
if (!isSave && loopTime <= 3)
{
Thread.Sleep(5000);
LogUtility.LogAction(string.Format(@"入库失败，重新爬取第{0}次", loopTime + 1));
Excute(pageNum, loopTime + 1);
}
if (loopTime > 3)
{
LogUtility.LogAction(string.Format(@"已重新爬取{0}次,退出重试", loopTime + 1));
}
#endregion
if (!isStopPoint)
{
Excute(pageNum + 1);
}
}
else
{
LogUtility.LogAction("爬取到最后一页，从头开始爬取");
//加载停止点
EastMoneyMain.InitInfo();
//从第一页开始爬取
Excute();
}
return(new Message());
}
/// <summary>
/// 开始解析html，并入库
/// </summary>
/// <param name="htmlContent"></param>
/// <returns></returns>
private static bool AnalysisHtml(HtmlDocument htmlDoc, int pageNum)
{
List <EM_MasterOperation> masterOperation = new List <EM_MasterOperation>();
#region 解析
//获取所有节点为<tbody>的节点
string nodeName = "//tbody";
HtmlNode tbodyNode = htmlDoc.DocumentNode.SelectSingleNode(nodeName);
if (tbodyNode != null)
{
var trNodes = tbodyNode.SelectNodes("tr");
foreach (HtmlNode nodes in trNodes)
{
var nodeItems = nodes.SelectNodes("td");
if (nodeItems != null)
{
var master = new EM_MasterOperation()
{
OpreDate = Convert.ToDateTime(DateTime.Now.Year + "-" + nodeItems[0].InnerText),
GroupName = nodeItems[1].InnerText,
GroupNameUrl = "http://group.eastmoney.com/" + nodeItems[1].FirstChild.Attributes["href"].Value,
OpreType = nodeItems[2].InnerText,
ZhengQuanName = nodeItems[3].InnerText,
ZhengQuanNameUrl = nodeItems[3].FirstChild.Attributes["href"].Value,
MasterType = nodeItems[4].InnerText,
MasterRate = nodeItems[5].InnerText,
RiRate = nodeItems[6].InnerText,
DealWinCnt = nodeItems[7].InnerText,
WinCntRate = nodeItems[8].InnerText,
ManageName = nodeItems[9].InnerText,
ManageNameUrl = "http://group.eastmoney.com/" + nodeItems[9].FirstChild.Attributes["href"].Value
};
#region 判断停止点
if (StopPoint.MasterOperationSP != null && ((master.OpreDate == StopPoint.MasterOperationSP.OpreDate && master.GroupName == StopPoint.MasterOperationSP.GroupName &&
master.ZhengQuanName == StopPoint.MasterOperationSP.ZhengQuanName) || master.OpreDate < StopPoint.MasterOperationSP.OpreDate))
{
isStopPoint = true;
break;
}
#endregion
masterOperation.Add(master);
}
}
}
#endregion
//保存入库
bool isSave = eastMoneyImp.SaveFindMast(masterOperation);
if (isSave && isStopPoint && pageNum == 1 && masterOperation.Count > 0)
{
StopPoint.MasterOperationSP = masterOperation.First();
}
else if (isSave && isStopPoint && masterOperation.Count > 0)
{
EastMoneyMain.InitInfo();
}
return(isSave);
}
