public static int GetMaxPageNo(HtmlNode pagesNode)
{
int maxPageNo = 1;
try
{
if (pagesNode != null)
{
var nodeList = pagesNode.Descendants().Where(n => n.Name.Equals("a") || n.Name.Equals("strong")).ToList();
nodeList.RemoveAll(n => n.InnerText.Equals("下一页"));
string lastPageNodeValue = nodeList.Last().InnerText.Replace("... ", string.Empty);
maxPageNo = Convert.ToInt32(lastPageNodeValue);
}
}
catch (Exception e)
{
string errorDetails = string.Format("{0}", e.Message);
CommonService.PostErrorEmailToDeveloper("页码数据解析出现异常", errorDetails);
}
return(maxPageNo);
}
public static void GetPromptData(HtmlNode promptContentNode)
{
try
{
if (promptContentNode != null)
{
var promtpViewModel = MainPageViewModel.GetInstance();
var ulNode = promptContentNode.ChildNodes[1];
promtpViewModel.PromptPm = Convert.ToInt32(ulNode.ChildNodes[0].InnerText.Trim().Substring("私人消息 (".Length).Replace(")", string.Empty));
promtpViewModel.PromptAnnouncePm = Convert.ToInt32(ulNode.ChildNodes[1].InnerText.Trim().Substring("公共消息 (".Length).Replace(")", string.Empty));
promtpViewModel.PromptSystemPm = Convert.ToInt32(ulNode.ChildNodes[2].InnerText.Trim().Substring("系统消息 (".Length).Replace(")", string.Empty));
promtpViewModel.PromptFriend = Convert.ToInt32(ulNode.ChildNodes[3].InnerText.Trim().Substring("好友消息 (".Length).Replace(")", string.Empty));
promtpViewModel.PromptThreads = Convert.ToInt32(ulNode.ChildNodes[4].InnerText.Trim().Substring("帖子消息 (".Length).Replace(")", string.Empty));
promtpViewModel.PromptNoticeCountInToastTempData = ToastService.GetNoticeCountFromNoticeToastTempData();
ToastService.UpdateBadge(promtpViewModel.PromptAllWithoutPromptPm + promtpViewModel.PromptPm);
}
}
catch (Exception e)
{
string errorDetails = string.Format("{0}", e.Message);
CommonService.PostErrorEmailToDeveloper("提醒数据解析出现异常", errorDetails);
}
}
async Task LoadThreadDataForSearchFullTextAsync(string searchKeyword, string searchAuthor, int searchTimeSpan, int searchForumSpan, int pageNo, CancellationTokenSource cts)
{
int count = _threadDataForSearchFullText.Count(t => t.PageNo == pageNo);
if (count == _pageSize)
{
return;
}
else
{
_threadDataForSearchFullText.RemoveAll(t => t.PageNo == pageNo);
}
// 读取数据
string searchTimeSpanStr = string.Empty;
switch (searchTimeSpan)
{
case 1:
searchTimeSpanStr = "604800"; // 一周
break;
case 2:
searchTimeSpanStr = "2592000"; // 一个月
break;
case 3:
searchTimeSpanStr = "7776000"; // 三个月
break;
case 4:
searchTimeSpanStr = "31536000"; // 一年
break;
default:
searchTimeSpanStr = "0"; // 全部时间
break;
}
string searchForumSpanStr = searchForumSpan == -1 ? "all" : searchForumSpan.ToString();
string url = string.Format("http://www.hi-pda.com/forum/search.php?srchtype={2}&srchtxt={0}&searchsubmit=%CB%D1%CB%F7&st=on&srchuname={1}&srchfilter=all&srchfrom={3}&before=&orderby={5}&ascdesc=desc&srchfid%5B0%5D={4}&page={6}&_={7}",
_httpClient.GetEncoding(searchKeyword), _httpClient.GetEncoding(searchAuthor), "fulltext", searchTimeSpanStr, searchForumSpanStr, "lastpost", pageNo, DateTime.Now.Ticks.ToString("x"));
string htmlContent = await _httpClient.GetAsync(url, cts);
// 实例化 HtmlAgilityPack.HtmlDocument 对象
HtmlDocument doc = new HtmlDocument();
// 载入HTML
doc.LoadHtml(htmlContent);
// 最先读取提醒数据
var promptContentNode = doc.DocumentNode.Descendants().FirstOrDefault(n => n.Name.Equals("div") && n.GetAttributeValue("class", "").Equals("promptcontent"));
PromptService.GetPromptData(promptContentNode);
// 读取主内容
var dataTable = doc.DocumentNode.Descendants().FirstOrDefault(n => n.GetAttributeValue("class", "").Equals("datatable"));
if (dataTable == null || dataTable.InnerText.Trim().Equals("对不起，没有找到匹配结果。"))
{
return;
}
// 读取最大页码
var pagesNode = doc.DocumentNode.Descendants().FirstOrDefault(n => n.GetAttributeValue("class", "").Equals("pages"));
_threadMaxPageNoForSearchFullText = CommonService.GetMaxPageNo(pagesNode);
if (pageNo > _threadMaxPageNoForSearchFullText)
{
return;
}
var rows = dataTable.Descendants().Where(n => n.Name.Equals("tr"));
if (rows == null)
{
return;
}
int i = _threadDataForSearchFullText.Count;
foreach (var r in rows)
{
string titleHtml = string.Empty;
int postId = 0;
string summaryHtml = string.Empty;
string forumName = string.Empty;
string replyCount = string.Empty;
string viewCount = string.Empty;
string authorUsername = string.Empty;
int authorUserId = 0;
string lastReplyTime = string.Empty;
try
{
var div = r.ChildNodes[0].ChildNodes[0];
var div1 = div.ChildNodes[1];
var div2 = div.ChildNodes[3];
var div3 = div.ChildNodes[5];
var titleNode = div1.ChildNodes[2];
string postIdStr = titleNode.Attributes[0].Value.Substring("gotopost.php?pid=".Length).Split('&')[0];
if (!string.IsNullOrEmpty(postIdStr))
{
postId = Convert.ToInt32(postIdStr);
titleHtml = WebUtility.HtmlDecode(titleNode.InnerHtml);
summaryHtml = WebUtility.HtmlDecode(div2.InnerHtml);
forumName = div3.ChildNodes[1].ChildNodes[1].InnerText.Trim();
var authorNode = div3.ChildNodes[3];
authorUsername = authorNode.InnerText.Replace("作者: ", string.Empty).Trim();
authorUserId = Convert.ToInt32(authorNode.ChildNodes[1].Attributes[0].Value.Substring("space.php?uid=".Length).Split('&')[0]);
viewCount = div3.ChildNodes[5].InnerText.Trim().Replace("查看: ", string.Empty).Trim();
replyCount = div3.ChildNodes[7].InnerText.Trim().Replace("回复: ", string.Empty).Trim();
lastReplyTime = div3.ChildNodes[9].InnerText.Trim().Replace("最后发表: ", string.Empty).Trim();
}
var threadItem = new ThreadItemForSearchFullTextModel(i, postId, summaryHtml, forumName, pageNo, titleHtml, replyCount, viewCount, authorUsername, authorUserId, lastReplyTime);
_threadDataForSearchFullText.Add(threadItem);
i++;
}
catch (Exception ex)
{
string errorDetails = "k: {0};p: {1};i: {2};t: {3};d: {4}";
errorDetails = string.Format(errorDetails, searchKeyword, pageNo, i, titleHtml, ex.Message);
CommonService.PostErrorEmailToDeveloper("全文搜索解析出现异常", errorDetails);
}
}
}