private void OnFirstPageParseDone(ListPage firstPage)
{
if (FirstPageParseDone != null)
{
FirstPageParseDone(firstPage);
}
}
private void OnCategoryParseDone(ListPage listPage)
{
if (CategoryParseDone != null)
{
CategoryParseDone(listPage);
}
}
private void OnListPageParseDone(ListPage listPage)
{
if (ListPageParseDone != null)
{
ListPageParseDone(listPage);
}
}
/// <summary>
/// 采集
/// </summary>
/// <returns></returns>
public override bool Sniffer()
{
bool bool1 = InlineSniffer();
//return bool1;
if (!bool1)
{
return(false);
}
//这里开始内容页的翻页
if (string.IsNullOrEmpty(this.DetailPageConfiguration.PageQuery))
{
return(bool1);
}
DetailPage rootDetailPage = this;
ListPage listPage = rootDetailPage.Parent as ListPage;
while (listPage == null)
{
rootDetailPage = rootDetailPage.Parent as DetailPage;
listPage = rootDetailPage.Parent as ListPage;
}
DetailPage detailPage = new DetailPage(rootDetailPage, (DetailPageConfiguration)listPage.ListPageConfiguration.SubPageConfiguration);
detailPage.PageName = this.PageName;
detailPage.PageUrl = this.PageUrl;
int pageIndex = this.PageIndex + this.DetailPageConfiguration.PageIndexStep;
ReplacePageIndex(detailPage, pageIndex);
//如果内容一样，则表示已经结束了啦
if (detailPage.PageBody == this.PageBody)
{
return(bool1);
}
else
{
//否则要看看，识别项的正则结果是否一样
if (!string.IsNullOrEmpty(this.Configuration.EndPageDetermineRegex))
{
Match match1 = Regex.Match(this.PageBody, this.Configuration.EndPageDetermineRegex, (RegexOptions)25);
Match match2 = Regex.Match(detailPage.PageBody, detailPage.Configuration.EndPageDetermineRegex, (RegexOptions)25);
if (match1.Value == match2.Value)
{
return(bool1);
}
}
}
detailPage.Sniffer();
return(bool1);
}
/// <summary>
/// 采集详细页
/// </summary>
/// <param name="listPage"></param>
public void ParseDetailPage(ListPage listPage)
{
ListPage backListPage = null;
bool isNotPage = false;
int pageIndex = this.SnifferContext.GetStartPageIndex(listPage);
int snifferContextCount = SnifferContext.GetSnifferPageCount(listPage);
int donePageCount = 0;
while (!isNotPage)
{
listPage.Sniffer();
//如果不成功，或者大于要采集的页数，则表示没有数据了，完成了分类
if (!listPage.Succeed || donePageCount == snifferContextCount || (backListPage != null && backListPage.PageBody == listPage.PageBody))
{
break;
}
OnPageIndexChange(listPage.PageUrl);
foreach (UrlItem urlItem in listPage.SubPageUrlResults)
{
DetailPageConfiguration detailPageConf = (DetailPageConfiguration)listPage.ListPageConfiguration.SubPageConfiguration;
DetailPage detailPage = new DetailPage(listPage, detailPageConf);
detailPage.PageIndex = detailPageConf.PageStartIndex;
detailPage.PageName = urlItem.Title;
detailPage.PageUrl = urlItem.Url;
detailPage.Sniffer();
OnDetailPageParseDone(detailPage);
}
pageIndex = pageIndex + (listPage.ListPageConfiguration.PageIndexStep - 1);
donePageCount++;
ListPage newListPage = new ListPage(listPage.Parent, listPage.ListPageConfiguration);
newListPage.PageName = listPage.PageName;
newListPage.PageUrl = listPage.PageUrl;
if (listPage.ListPageConfiguration.PageMethod == PageMethod.Get)
{
ReplacePageIndex(newListPage, pageIndex);
}
else
{
newListPage.PageQuery = string.Format(newListPage.PageQuery, pageIndex);
}
backListPage = listPage;
listPage = newListPage;
}
}
private void _start()
{
try
{
ListPage firstPage = null;
lock (SnifferContext.FirstPages)
{
if (SnifferContext.FirstPages.Count > 0)
{
firstPage = SnifferContext.FirstPages[0];
SnifferContext.FirstPages.Remove(firstPage);
}
else
{
return;
}
}
if (firstPage.ListPageConfiguration.SubPageConfiguration.PageType == PageType.DetailPage && this.SnifferContext.GetStartPageIndex(firstPage) > 1)
{
if (firstPage.ListPageConfiguration.PageMethod == PageMethod.Get)
{
ReplacePageIndex(firstPage, this.SnifferContext.GetStartPageIndex(firstPage));
}
else
{
firstPage.PageQuery = string.Format(firstPage.PageQuery, this.SnifferContext.GetStartPageIndex(firstPage));
}
}
firstPage.Sniffer();
if (firstPage.SubPageUrlResults.Count > 0 && firstPage.ListPageConfiguration.SubPageConfiguration.PageType == PageType.DetailPage)
{
ParseDetailPage(firstPage);
OnListPageParseDone(firstPage);
}
else
{
ParseListPage(firstPage);
}
OnFirstPageParseDone(firstPage);
_start();
}
catch (System.Exception e)
{
InfoSniffer.LogManager.WriteLog(string.Format("<error><thread>{0}</thread><message>{1}</message></error>", this.ThreadIndex, e.Message));
}
}
/// <summary>
/// 读取详细页重载
/// </summary>
/// <returns></returns>
public static DetailPage GetDetailPage(string fileName, string rootPageName, int firstIndex, int pageIndex, int urlIndex)
{
ListPage firstPage = GetListPage(fileName, rootPageName, firstIndex, pageIndex);
UrlItem urlItem = firstPage.SubPageUrlResults[urlIndex];
DetailPageConfiguration detailPageConf = (DetailPageConfiguration)firstPage.ListPageConfiguration.SubPageConfiguration;
DetailPage detailPage = new DetailPage(firstPage, detailPageConf);
detailPage.PageIndex = detailPageConf.PageStartIndex;
detailPage.PageName = urlItem.Title;
detailPage.PageUrl = urlItem.Url;
detailPage.Sniffer();
return(detailPage);
}
private void ReplacePageIndex(ListPage listPage, int pageIndex)
{
string stringPageIndex;
if (!string.IsNullOrEmpty(listPage.ListPageConfiguration.PageIndexFormat))
{
stringPageIndex = pageIndex.ToString(listPage.ListPageConfiguration.PageIndexFormat);
}
else
{
stringPageIndex = pageIndex.ToString();
}
string pageQuery = string.Format(listPage.ListPageConfiguration.ReplacePageQuery, stringPageIndex);
listPage.PageUrl = Regex.Replace(listPage.PageUrl, listPage.ListPageConfiguration.PageQuery, pageQuery);
}
/// <summary>
/// 一个列表页采集完成
/// </summary>
/// <param name="listPage"></param>
void SnifferThread_ListPageParseDone(ListPage listPage)
{
string dir = listPage.SavePath;
if (!Directory.Exists(dir))
{
Directory.CreateDirectory(dir);
}
string dirAndFileName = listPage.SavePathAndFileName;
//导出到Xml文件
Data.WriteXml(dirAndFileName);
//如果有插件则调用插件
RootPageConfiguration rootPageConf = null;
PageConfiguration parentPageConf = listPage.Configuration.Parent;
while (parentPageConf != null)
{
if (parentPageConf is RootPageConfiguration)
{
rootPageConf = (RootPageConfiguration)parentPageConf;
break;
}
else
{
parentPageConf = parentPageConf.Parent;
}
}
if (rootPageConf != null && rootPageConf.Plugin != null)
{
rootPageConf.Plugin.Receive(Data, dirAndFileName);
}
//清空数据
if (Data.Tables.Count > 0)
{
Data.Tables.Clear();
}
InfoSniffer.LogManager.WriteLog(string.Format("<donepage><thread>{0}</thread><page>{1}</page><donetime>{2}</donetime></donepage>", this.ThreadIndex, listPage.PageUrl.Replace("&", "&"), DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.fff")));
}
/// <summary>
/// 读取根页重载
/// </summary>
/// <param name="fileName"></param>
/// <param name="rootPageName"></param>
/// <returns></returns>
public static List <ListPage> GetAllFirstPages(string fileName, string rootPageName)
{
SnifferConfig.OpenSnfFile(string.Format(AppDataPath + "{0}.xml", fileName));
RootPageConfiguration rootPageConf = SnifferConfig.GetRootPageConfiguration(rootPageName);
if (rootPageConf == null)
{
return(null);
}
ListPage rootPage = new ListPage((ListPageConfiguration)rootPageConf);
List <ListPage> allFirstPages = new List <ListPage>();
if (rootPageConf.IsSniffer)
{
rootPage.Sniffer();
if (!rootPage.Done || rootPage.SubPageUrlResults.Count == 0)
{
//采集不到
}
foreach (UrlItem urlItem in rootPage.SubPageUrlResults)
{
ListPage page = new ListPage(rootPage, (ListPageConfiguration)rootPage.ListPageConfiguration.SubPageConfiguration);
page.PageName = urlItem.Title;
page.PageUrl = urlItem.Url;
allFirstPages.Add(page);
}
}
else
{
foreach (ListPageConfiguration firstPageConfi in rootPageConf.SubPageConfigurations)
{
allFirstPages.Add(new ListPage(rootPage, firstPageConfi));
}
}
return(allFirstPages);
}
/// <summary>
/// 读取列表页重载
/// </summary>
public static ListPage GetListPage(string fileName, string rootPageName, int firstIndex, int pageIndex)
{
List <ListPage> allFirstPages = GetAllFirstPages(fileName, rootPageName);
ListPage firstPage = allFirstPages[firstIndex];
//列表页的页码大于1，则要替换页码
if (firstPage.ListPageConfiguration.SubPageConfiguration.PageType == PageType.DetailPage && pageIndex > 1)
{
if (firstPage.ListPageConfiguration.PageMethod == PageMethod.Get)
{
ReplacePageIndex(firstPage, pageIndex);
}
else
{
firstPage.PageQuery = string.Format(firstPage.PageQuery, pageIndex);
}
}
firstPage.Sniffer();
return(firstPage);
}
/// <summary>
/// 一个根页采集完成
/// </summary>
/// <param name="firstPage"></param>
void SnifferThread_FirstPageParseDone(ListPage firstPage)
{
////PagePath = firstPage.Parent.PageName + "\\" + firstPage.PageName + "\\" + PagePath;
//PagePath = firstPage.Parent.PageName.Trim() + "\\" + PagePath;
//int int1 = PagePath.LastIndexOf("\\");
//string dir = string.Format("{0}\\Data\\{1}\\{2}", Application.StartupPath, DateTime.Now.ToShortDateString(), PagePath.Substring(0, int1));
//string fileName = PagePath.Substring(int1 + 1);
//if (!Directory.Exists(dir))
// Directory.CreateDirectory(dir);
//string dirAndFileName = string.Format("{0}\\{1}.xml", dir, fileName);
////导出到Xml文件
//Data.WriteXml(dirAndFileName);
////如果是要导出到Excel格式，则转换格式
////if (SnifferContext.DocumentFormat == DocumentFormat.Xls)
////{
//// FileUtil.XmlFileToExcelFile(dirAndFileName);
//// //删除XML文件
//// if (File.Exists(dirAndFileName))
//// File.Delete(dirAndFileName);
////}
////清除PagePath
//PagePath = string.Empty;
////清空数据
//if (Data.Tables.Count > 0)
// Data.Tables.Clear();
////清空显示结果
//SnifferContext.ClearState(this.ThreadIndex);
}
/// <summary>
/// 采集列表页
/// </summary>
/// <param name="listPage"></param>
public void ParseListPage(ListPage listPage)
{
listPage.Sniffer();
if (listPage.SubPageUrlResults.Count > 0)
{
foreach (UrlItem urlItem in listPage.SubPageUrlResults)
{
ListPage subListPage = new ListPage(listPage, (ListPageConfiguration)listPage.ListPageConfiguration.SubPageConfiguration);
subListPage.PageName = urlItem.Title;
subListPage.PageUrl = urlItem.Url;
subListPage.Sniffer();
if (subListPage.SubPageUrlResults.Count > 0)
{
if (subListPage.ListPageConfiguration.SubPageConfiguration.PageType == PageType.DetailPage)
{
string pageName = subListPage.PageName;
ParseDetailPage(subListPage);
OnListPageParseDone(subListPage);
}
else
{
ParseListPage(subListPage);
}
}
else if (listPage.ListPageConfiguration.For && !string.IsNullOrEmpty(listPage.PageBody))
{
subListPage = new ListPage(listPage, (ListPageConfiguration)listPage.ListPageConfiguration);
subListPage.PageName = urlItem.Title;
subListPage.PageUrl = urlItem.Url;
ParseListPage(subListPage);
}
}
}
}
/// <summary>
/// 保存图片
/// </summary>
/// <param name="value"></param>
public void SaveImages(SnifferItem item, ref string value)
{
value = value.Replace("wallpaper:", "http:");
MatchCollection imgMatchs;
if (item.IsUrl)
{
imgMatchs = Regex.Matches(value, "^.*$", (RegexOptions)25);
}
else
{
imgMatchs = Regex.Matches(value, "(?<=<img[^>]*?src=[\"']?)(\\.|/|http)[^\"' >]*", (RegexOptions)25);
}
ListPage parentPage = this.Parent as ListPage;
if (parentPage == null)
{
parentPage = this.Parent.Parent as ListPage;
}
string saveImagesPath = string.Empty;
string dtPath = DateTime.Now.ToString("yyyy\\\\MM");
if (!string.IsNullOrEmpty(item.SaveImagesPath))
{
saveImagesPath = string.Format(item.SaveImagesPath, dtPath);
}
else
{
saveImagesPath = parentPage.SavePathAndFileName.Substring(0, parentPage.SavePathAndFileName.LastIndexOf(".")) + "\\";
}
if (!saveImagesPath.EndsWith("\\"))
{
saveImagesPath += "\\";
}
if (!Directory.Exists(saveImagesPath))
{
Directory.CreateDirectory(saveImagesPath);
}
foreach (Match match in imgMatchs)
{
int lastIndex = match.Value.LastIndexOf("/") + 1;
string fileName;
if (lastIndex >= 0)
{
fileName = match.Value.Substring(lastIndex);
}
else
{
fileName = match.Value;
}
if (fileName.Contains("?"))
{
fileName = fileName.Substring(0, fileName.IndexOf("?"));
}
fileName = HttpUtility.UrlDecode(fileName);
try
{
string absUrl = FileUtil.GetAbsUrl(match.Value, this.SubPageBaseUrl);
Stream stream = FileUtil.GetPageStream(absUrl, this.SubPageBaseUrl);
if (stream != null)
{
if (this.Upload)
{
Thread thread = new Thread(new ParameterizedThreadStart(UploadFile));
thread.Start(new object[] { stream, saveImagesPath, fileName, "image/jpeg" });
}
else
{
FileUtil.StreamSaveToFile(stream, saveImagesPath + fileName);
}
}
string text1 = string.Empty;
if (!string.IsNullOrEmpty(item.ImageUrlPath))
{
string imageUrlPath = string.Format(item.ImageUrlPath, dtPath.Replace("\\", "/"));
if (!imageUrlPath.EndsWith("/"))
{
imageUrlPath += "/";
}
text1 = value.Replace(match.Value, imageUrlPath + fileName);
}
else
{
text1 = value.Replace(match.Value, saveImagesPath + fileName);
}
value = text1;
}
catch (System.Exception e)
{
LogManager.WriteLog(string.Format("<saveimgerr><img>{0}</img><error>{1}</error></saveimgerr>", match.Value, e.Message));
//throw e;
};
}
}
public int GetSnifferPageCount(ListPage listPage)
{
return(this.SnifferPageCount);
}
public int GetStartPageIndex(ListPage listPage)
{
return(this.StartPageIndex);
}
/// <summary>
/// 分类列表搜索完成，要在这里保存
/// </summary>
/// <param name="listPage"></param>
void SnifferThread_CategoryParseDone(ListPage listPage)
{
}
