本文整理汇总了C#中HtmlAgilityPack.HtmlDocument.GetElementById方法的典型用法代码示例。如果您正苦于以下问题：C# HtmlDocument.GetElementById方法的具体用法？C# HtmlDocument.GetElementById怎么用？C# HtmlDocument.GetElementById使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类HtmlAgilityPack.HtmlDocument的用法示例。
在下文中一共展示了HtmlDocument.GetElementById方法的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: GetRentals
public async Task<Rental[]> GetRentals (int page)
{
bool needsAuth = false;
var rentalsUrl = ProntoRentalsUrl;
if (page > 0)
rentalsUrl += "/" + (page * 20);
for (int i = 0; i < 4; i++) {
try {
if (needsAuth) {
var content = new FormUrlEncodedContent (new Dictionary<string, string> {
{ "username", credentials.Username },
{ "password", credentials.Password }
});
var login = await Client.PostAsync (ProntoLoginUrl, content).ConfigureAwait (false);
if (login.StatusCode == HttpStatusCode.Found || login.StatusCode == HttpStatusCode.OK)
needsAuth = false;
else
continue;
}
var answer = await Client.GetStringAsync (rentalsUrl).ConfigureAwait (false);
var doc = new HtmlDocument ();
doc.LoadHtml (answer);
var div = doc.GetElementById ("content");
var table = div.Element ("table");
return table.Element ("tbody").Elements ("tr").Select (row => {
var items = row.Elements ("td").ToArray ();
return new Rental {
Id = long.Parse (items[0].InnerText.Trim ()),
FromStationName = items [1].InnerText.Trim (),
ToStationName = items [3].InnerText.Trim (),
Duration = ParseRentalDuration (items [5].InnerText.Trim ()),
Price = ParseRentalPrice (items [6].InnerText.Trim ()),
DepartureTime = DateTime.Parse(items[2].InnerText,
System.Globalization.CultureInfo.InvariantCulture),
ArrivalTime = DateTime.Parse(items[4].InnerText,
System.Globalization.CultureInfo.InvariantCulture)
};
}).ToArray ();
} catch (HttpRequestException htmlException) {
// Super hacky but oh well
if (!needsAuth)
needsAuth = htmlException.Message.Contains ("302");
continue;
} catch (Exception e) {
e.Data ["method"] = "GetRentals";
Xamarin.Insights.Report (e);
Log.Error ("RentalsGenericError", e.ToString ());
break;
}
}
return null;
}示例2: OpenHtmlPageAsync
public static async Task<HtmlDocument> OpenHtmlPageAsync(string url, PortableWebClient client)
{
var doc = new HtmlDocument();
LOAD_PAGE:
doc.LoadHtml(await client.DownloadStringAsync(url));
string title = GetTitle(doc);
// 处理重定向。
if (title.ToLowerInvariant().Contains("object moved"))
{
var nextUrl = doc.DocumentNode.Descendants("a").FirstOrDefault()?.GetAttributeValue("href", "");
if (!string.IsNullOrEmpty(nextUrl))
{
url = nextUrl;
goto LOAD_PAGE;
}
throw new UnexpectedHtmlException(url, "无法解析重定向目标。");
}
// 有时 CAS 中间会多一步。
if (title.Contains("统一身份认证网关"))
{
var loginForm = doc.GetElementById("fm1");
if (loginForm?.Name != "form") loginForm = null;
if (loginForm == null)
{
/*
<div id="content" class="fl-screenNavigator-scroll-container" >
<div class="info"><p>单击 <a href="http://my.xjtu.edu.cn/Login?ticket=....">这里</a> ，便能够访问到目标应用。</p></div>
</div>
*/
var node = doc.GetElementById("content");
var nextUrl = node?.Descendants("a").FirstOrDefault()?.GetAttributeValue("href", "");
if (!string.IsNullOrEmpty(nextUrl))
{
url = nextUrl;
goto LOAD_PAGE;
}
throw new UnexpectedHtmlException(url, "无法解析重定向目标。");
}
}
return doc;
}示例3: RutorSearch
//private static readonly Regex TableRegex = new Regex("<table.?*</table>", RegexOptions.Singleline);
private static List<TrackerTopic> RutorSearch(Film film)
{
Uri uri = new Uri("http://rutor.org/search/0/0/300/2/" + film.InfoTable["name"][0] + " BDRemux");
var htmlCode = Tools.GetURIContent(uri);
var htmlDoc = new HtmlDocument();
htmlDoc.LoadHtml(htmlCode);
var results = htmlDoc.GetElementById("index");
if (results.InnerText.IndexOf("Результатов поиска") == -1) return null;
Regex searchResCount = new Regex(@"Результатов поиска \d+");
var ResCount = searchResCount.Match(results.InnerText);
if (!ResCount.Success) return null;
int resultsCount = Convert.ToInt32(ResCount.Value.Substring(ResCount.Value.IndexOf("а ") + 2));
if (resultsCount == 0)
return new List<TrackerTopic>();
//main part
var magnet_tmp = "";
var scr_tmp = "";
var tor_file = "";
var name_tmp = "";
var size_tmp = "";
int found = 0;
var row = 1;
List<TrackerTopic> TorFound = new List<TrackerTopic>();
var table = results.Element("table");
List<HtmlNode> x = table.Elements("tr").ToList();
foreach (HtmlNode node in x)
{
if (node.Attributes.Contains("class") && node.Attributes["class"].Value == "backgr" ||
row == 5)
continue;
List<HtmlNode> s = node.Elements("td").ToList();
foreach (HtmlNode item in s)
{
switch (row)
{
case 2:
{
var hrefs = item.Descendants("a").Where(t => t.Attributes.Contains("href")).ToList();
magnet_tmp = hrefs[0].Attributes["href"].Value;
scr_tmp = "http://rutor.org" + hrefs[1].Attributes["href"].Value;
name_tmp = item.InnerText.Replace(" ", " ").Trim();
break;
}
case 4:
case 3: //if there is no comments
{
Match szMatch = sz.Match(item.InnerText.Replace(" ", " "));
if (szMatch.Success)
size_tmp = item.InnerText.Replace(" ", " ");
break;
}
}
Console.WriteLine(item.InnerText.Replace(" ", " ")); //DEBUG
row++;
}
if (IsCorrectFilmTorrent(name_tmp, film))
{
Regex rutogFilmIdRegex = new Regex(@"/torrent/[\d]+/");
var rutorFilmIdMatch = rutogFilmIdRegex.Match(scr_tmp);
var rutorFilmId = "";
if (rutorFilmIdMatch.Success)
{
rutorFilmId = rutorFilmIdMatch.Value.Substring("/torrent/".Length,
rutorFilmIdMatch.Value.Length - "/torrent/".Length - 1);
tor_file = "http://d.rutor.org/download/" + rutorFilmId;
TorFound.Add(new TrackerTopic(name_tmp, scr_tmp, tor_file, size_tmp, magnet_tmp));
found++;
scr_tmp = name_tmp = size_tmp = tor_file = magnet_tmp = "";
}
}
row = 1;
if (found >= Settings.MAX_SEARCH_RESULT)
break;
Console.WriteLine("-------"); //DEBUG
}
return TorFound;
}示例4: LoginAttemptAsync
private async Task LoginAttemptAsync(string userName, string password)
{
/*
username:.....
password:.....
code:
lt:LT-.....
execution:e3s1
_eventId:submit
submit:登录
*/
if (casAuthenticationDictBuffer == null) await UpdateCoreAsync();
var dict = casAuthenticationDictBuffer;
casAuthenticationDictBuffer = null;
Debug.Assert(dict != null);
dict["username"] = userName;
dict["password"] = password;
var doc = new HtmlDocument();
using (var resp = await Client.UploadAsync(casAuthenticationUrl, dict))
doc.LoadHtml(await resp.Content.ReadAsStringAsync());
var node = doc.GetElementById("msg");
if (node != null) throw new OperationFailedException(HtmlEntity.DeEntitize(node.InnerText));
await UpdateCoreAsync();
}示例5: ParseInfoTable
private static void ParseInfoTable(string htmlCode, Film film)
{
var htmlDoc = new HtmlDocument();
htmlDoc.LoadHtml(htmlCode);
var names = htmlDoc.GetElementById("headerFilm");
if (names == null) return;
var _names = names.Descendants()
.Where(t => t.Attributes.Contains("itemprop")).ToArray();
film.InfoTable.Add("name",
new List<string>()
{
MakeValueClear(_names[0].InnerText),
MakeValueClear(_names[1].InnerText)
});
SetPosterInfo(film);
var table = htmlDoc.GetElementById("infoTable");
ClearHTMLCode(table);
table = table.Element("table");
string tmp = "";
bool key = true;
string cur_key = "";
List<HtmlNode> x = table.Elements("tr").ToList();
foreach (HtmlNode node in x)
{
List<HtmlNode> s = node.Elements("td").ToList();
foreach (HtmlNode item in s)
{
tmp = MakeValueClear(item.InnerText);
if (!String.IsNullOrWhiteSpace(tmp))
{
if (key && Constants.KeyWords.ContainsKey(tmp))
{
film.InfoTable.Add(Constants.KeyWords[tmp], new List<string>());
cur_key = tmp;
key = false;
}
else
{
if (!key)
{
if (cur_key != "слоган")
{
var Arr_tmp = tmp.Split(',');
foreach (var i in Arr_tmp)
{
film.InfoTable[Constants.KeyWords[cur_key]].Add(i.Trim());
}
}
else
film.InfoTable[Constants.KeyWords[cur_key]].Add(tmp);
}
}
}
Console.WriteLine(tmp); //DEBUG
}
Console.WriteLine("-------"); //DEBUG
key = true;
}
//Console.ReadKey();
}