?

思路描述：主要使用正則表達式解析。

返回一個跟蹤步驟列表。

public class TrackingData

????{

????????public string time { get; set; }

????????public string context { get; set; }

????}

????public class DHLExpressTrackingHelper

????{

????????private static string urlFormat = "http://webtrack.dhlglobalmail.com/?trackingnumber={0}";

????????public static List<TrackingData> GetTrackingData(string trackCode)

????????{

????????????//trackCode = "A150529020091";

????????????WebMocker dhlMocker = new WebMocker();

????????????var url = string.Format(urlFormat, trackCode);

????????????var html = dhlMocker.Get(url);

????????????//1

????????????var patternOLTag = "<ol.*?>(?<olvalue>.*?)</ol>";

????????????var match = Regex.Match(html, patternOLTag, RegexOptions.Multiline | RegexOptions.Singleline);

????????????if (match.Success)

????????????{

????????????????var olValue = match.Groups["olvalue"].Value;

????????????????return ParseTrackingData(olValue);

????????????}

????????????return new List<TrackingData>();

????????}

????????private static List<TrackingData> ParseTrackingData(string olValue)

????????{

????????????var patternLITag = "<li.*? class=\"(?<className>.*?)\".*?>(?<content>.*?)</li>";

????????????var list = new List<TrackingData>();

????????????string datePrefix = null;

????????????foreach (Match item in Regex.Matches(olValue, patternLITag, RegexOptions.Singleline | RegexOptions.Multiline | RegexOptions.IgnoreCase))

????????????{

????????????????var className = item.Groups["className"].Value;

????????????????var content = item.Groups["content"].Value;

????????????????if (className == "timeline-date")

????????????????{

????????????????????datePrefix = content;

????????????????}

????????????????else if (className.Contains("timeline-event"))

????????????????{

????????????????????var pp = "<div.*?class=\"(?<divClassName>.*?)\".*?>(?<divContent>.*?)</div>";

????????????????????TrackingData trackingData = null;

????????????????????foreach (Match subItem in Regex.Matches(content, pp, RegexOptions.Singleline | RegexOptions.Multiline | RegexOptions.IgnoreCase))

????????????????????{

????????????????????????var divClassName = subItem.Groups["divClassName"].Value.Trim();

????????????????????????var subContent = subItem.Groups["divContent"].Value.Trim();

????????????????????????if (divClassName == "timeline-time")

????????????????????????{

????????????????????????????subContent = Regex.Replace(subContent, "<[^<]*>", "");

????????????????????????????trackingData = new TrackingData();

????????????????????????????trackingData.time = datePrefix + " " + subContent;

????????????????????????}

????????????????????????else if (divClassName == "timeline-location")

????????????????????????{

????????????????????????????trackingData.context += subContent + " ";

????????????????????????}

????????????????????????else if (divClassName == "timeline-description")

????????????????????????{

????????????????????????????trackingData.context += subContent + " ";

????????????????????????}

????????????????????????//else if (divClassName == "timeline-location timeline-location-responsive")

????????????????????????//{

????????????????????????// trackingData.Description += subContent;

????????????????????????//}

????????????????????}

????????????????????list.Add(trackingData);

????????????????}

????????????}

????????????//foreach (var item in list)

????????????//{

????????????// Console.WriteLine(item.DateString + "--" + item.Description);

????????????//}

????????????return list;

????????}

????}

轉載于:https://www.cnblogs.com/pengzhen/p/4832787.html

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