实例介绍
【实例简介】
【实例截图】
【核心代码】
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.IO; using System.Net; using System.Text.RegularExpressions; namespace Weather { class WeatherDetail { public PlaceModel province; public PlaceModel city; public PlaceModel district; public WeatherDetail(PlaceModel province,PlaceModel city,PlaceModel district) { this.province = province; this.city = city; this.district = district; } public string[] Day_1To7 { private set; get; } public string[] Day_7To15 { private set; get; } public string[] Info_1To7 { private set; get; } public string[] Info_7To15 { private set; get; } public string[] Temperature_1To7 { private set; get; } public string[] Temperature_7To15 { private set; get; } public string [] Wind_1To7 { private set; get; } public string [] Wind1_7To15 { private set; get; } public string[] Wind2_7To15 { private set; get; } public WeatherStatus[] WeatherStatus_1To7 { private set; get; } public WeatherStatus[] WeatherStatus_7To15 { private set; get; } public void HandleWeather() { using (WebClient webClient = new WebClient() { Encoding = Encoding.UTF8}) { string url = $"http://www.weather.com.cn/weather/"; if (city.ID == "00") { url = $"{province.ID}{district.ID}{city.ID}.shtml"; } else if (district.ID.Length >2) { url = $"{district.ID}.shtml"; } else { url = $"{province.ID}{city.ID}{district.ID}.shtml"; } byte [] contentBytes = webClient.DownloadData(url); using (MemoryStream stream = new MemoryStream(contentBytes)) using(StreamReader reader = new StreamReader(stream)) { string content = reader.ReadToEnd(); MatchCollection matches = Regex.Matches(content, "<ul class=\"t clearfix\">.*?</ul>", RegexOptions.Singleline); if(matches.Count > 0) { matches = Regex.Matches(matches[0].Value, "<li class=\"sky skyid.*?</li>",RegexOptions.Singleline); if(matches.Count == 7) { List<string> dayList = new List<string>(); List<string> infoList = new List<string>(); List<string> tempList = new List<string>(); List<string> windList = new List<string>(); List<WeatherStatus> statusList = new List<WeatherStatus>(); MatchCollection matches_temp; foreach (Match match in matches) { //日期:31日(今日) matches_temp = Regex.Matches(match.Value, "<h1>.*?</h1>"); if (matches_temp.Count > 0) dayList.Add(RemoveAngleBrackets(matches_temp[0].Value)); else dayList.Add(""); //天气信息:晴 matches_temp = Regex.Matches(match.Value, "<p.*class=\"wea\".*?</p>"); if (matches_temp.Count > 0) { infoList.Add(RemoveAngleBrackets(matches_temp[0].Value)); WeatherStatus status = GetWeatherStatus(RemoveAngleBrackets(matches_temp[0].Value)); if(status == WeatherStatus.Weizhi) { status = GetUnkownWeatherStatus(RemoveAngleBrackets(matches_temp[0].Value)); } statusList.Add(status); } else { dayList.Add(""); statusList.Add(WeatherStatus.Weizhi); } //温度信息:4/-1℃ //风力信息:3-4级转3级 matches_temp = Regex.Matches(match.Value, "<span>.*?</span>"); string temperature = ""; string wind = ""; if (matches_temp.Count > 0) { temperature = RemoveAngleBrackets(matches_temp[0].Value) "℃"; } matches_temp = Regex.Matches(match.Value, "<i>.*?</i>"); if (matches_temp.Count >= 1) { temperature = string.IsNullOrEmpty(temperature) ? RemoveAngleBrackets(matches_temp[0].Value) : $"{temperature}/{RemoveAngleBrackets(matches_temp[0].Value)}"; } if(matches_temp.Count >= 2) { wind = RemoveAngleBrackets(matches_temp[1].Value); } tempList.Add(temperature); windList.Add(wind); } this.Day_1To7 = dayList.ToArray(); this.Info_1To7 = infoList.ToArray(); this.Temperature_1To7 = tempList.ToArray(); this.Wind_1To7 = windList.ToArray(); this.WeatherStatus_1To7 = statusList.ToArray(); } } } //More url = $"http://www.weather.com.cn/weather15d/"; if (city.ID == "00") { url = $"{province.ID}{district.ID}{city.ID}.shtml"; } else if (district.ID.Length > 2) { url = $"{district.ID}.shtml"; } else { url = $"{province.ID}{city.ID}{district.ID}.shtml"; } contentBytes = webClient.DownloadData(url); using (MemoryStream stream = new MemoryStream(contentBytes)) using (StreamReader reader = new StreamReader(stream)) //---- { string content = reader.ReadToEnd(); MatchCollection matches = Regex.Matches(content, "<ul class=\"t clearfix\">.*?</ul>", RegexOptions.Singleline); if (matches.Count > 0) { matches = Regex.Matches(matches[0].Value, "<li.*?</li>", RegexOptions.Singleline); if (matches.Count == 8) { List<string> dayList = new List<string>(); List<string> infoList = new List<string>(); List<string> tempList = new List<string>(); List<string> wind1List = new List<string>(); List<string> wind2List = new List<string>(); List<WeatherStatus> statusList = new List<WeatherStatus>(); MatchCollection matches_temp; foreach (Match match in matches) { //日期:31日(今日) matches_temp = Regex.Matches(match.Value, "<span class=\"time\">.*?</span>"); if (matches_temp.Count > 0) dayList.Add(RemoveAngleBrackets(matches_temp[0].Value)); else dayList.Add(""); //天气信息:晴 matches_temp = Regex.Matches(match.Value, "<span class=\"wea\">.*?</span>"); if (matches_temp.Count > 0) { infoList.Add(RemoveAngleBrackets(matches_temp[0].Value)); WeatherStatus status = GetWeatherStatus(RemoveAngleBrackets(matches_temp[0].Value)); if (status == WeatherStatus.Weizhi) { status = GetUnkownWeatherStatus(RemoveAngleBrackets(matches_temp[0].Value)); } statusList.Add(status); } else { dayList.Add(""); statusList.Add(WeatherStatus.Weizhi); } //温度信息:4/-1℃ //风力信息:3-4级转3级 matches_temp = Regex.Matches(match.Value, "<span class=\"tem\".*?</span>"); if (matches_temp.Count > 0) tempList.Add(RemoveAngleBrackets(RemoveAngleBrackets(matches_temp[0].Value))); else tempList.Add(""); matches_temp = Regex.Matches(match.Value, "<span class=\"wind\">.*?</span>"); if (matches_temp.Count > 0) wind1List.Add(RemoveAngleBrackets(matches_temp[0].Value)); else wind1List.Add(""); matches_temp = Regex.Matches(match.Value, "<span class=\"wind1\">.*?</span>"); if (matches_temp.Count > 0) wind2List.Add(RemoveAngleBrackets(matches_temp[0].Value)); else wind2List.Add(""); } this.Day_7To15 = dayList.ToArray(); this.Info_7To15 = infoList.ToArray(); this.Temperature_7To15 = tempList.ToArray(); this.Wind1_7To15 = wind1List.ToArray(); this.Wind2_7To15 = wind2List.ToArray(); this.WeatherStatus_7To15 = statusList.ToArray(); } } } //---- } } private string RemoveAngleBrackets(string input) { int firstStartIndex = input.IndexOf('<'); int firstEndIndex = input.IndexOf('>'); string result = input.Remove(firstStartIndex, firstEndIndex- firstStartIndex 1); firstStartIndex = result.LastIndexOf('<'); firstEndIndex = result.LastIndexOf('>'); result = result.Remove(firstStartIndex, firstEndIndex- firstStartIndex 1); return result; } private WeatherStatus GetWeatherStatus(string weatherInfo) { switch(weatherInfo) { case "晴": return WeatherStatus.Qing; case "多云": return WeatherStatus.Duoyun; case "阴": return WeatherStatus.Yin; case "阵雨": return WeatherStatus.Zhenyu; case "雷阵雨": return WeatherStatus.Leizhenyu; case "雷阵雨并伴有冰雹": return WeatherStatus.LeizhenyuBingpao; case "雨夹雪": return WeatherStatus.Yujiaxue; case "小雨": return WeatherStatus.Xiaoyu; case "中雨": return WeatherStatus.Zhongyu; case "大雨": return WeatherStatus.Dayu; case "暴雨": return WeatherStatus.Baoyu; case "大暴雨": return WeatherStatus.Dabaoyu; case "特大暴雨": return WeatherStatus.Tedabaoyu; case "阵雪": return WeatherStatus.Zhenxue; case "小雪": return WeatherStatus.Xiaoyu; case "中雪": return WeatherStatus.Zhongxue; case "大雪": return WeatherStatus.Daxue; case "暴雪": return WeatherStatus.Baoxue; case "雾": return WeatherStatus.Wu; case "冻雨": return WeatherStatus.Dongyu; case "沙尘暴": return WeatherStatus.Shachenbao; case "小雨转中雨": return WeatherStatus.XiaoyuZhuangZhongyu; case "中雨转大雨": return WeatherStatus.ZhongyuZhuangDayu; case "大雨转暴雨": return WeatherStatus.DayuZhuangBaoyu; case "暴雨转大暴雨": return WeatherStatus.BaoyuZhuangDabaoyu; case "大暴雨转特大暴雨": return WeatherStatus.DabaoyuZhuangTedabaoyu; case "小雪转中雪": return WeatherStatus.XiaoxueZhuangZhongxue; case "中雪转大雪": return WeatherStatus.ZhongxueZhuangDaxue; case "大雪转暴雪": return WeatherStatus.DaxueZhuangBaoxue; case "浮尘": return WeatherStatus.Fuchen; case "扬沙": return WeatherStatus.Yasha; case "强沙尘暴": return WeatherStatus.Qiangshachenbao; case "小到中雨": return WeatherStatus.Xiaodaozhongyu; case "中到大雨": return WeatherStatus.Zhongdaodayu; case "大到暴雨": return WeatherStatus.Dadaobaoyu; case "小到中雪": return WeatherStatus.Xiaodaozhongxue; case "中到大雪": return WeatherStatus.Zhongdaodaxue; case "大到暴雪": return WeatherStatus.Dadaobaoxue; case "小阵雨": return WeatherStatus.Xiaozhenyu; case "阴天": return WeatherStatus.Yintian; case "霾": return WeatherStatus.Mai; case "雾霾": return WeatherStatus.Wumai; default:return WeatherStatus.Weizhi; } } private WeatherStatus GetUnkownWeatherStatus(string weatherInfo) { string result = weatherInfo; int index = 0; if (result.Contains("间")) { index = result.IndexOf("间"); result = result.Remove(index, result.Length - index); } if(result.Contains("转")) { index = result.IndexOf("转"); result = result.Remove(index, result.Length - index); } if (result.Contains("雨")) return WeatherStatus.Xiaoyu; if (result.Contains("雪")) return WeatherStatus.Xiaoxue; if (result.Contains("雾")) return WeatherStatus.Wu; if (result.Contains("霾")) return WeatherStatus.Mai; return GetWeatherStatus(result); } } }
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