基本信息
源码名称：获取全国各地 近7天天气预报 示例源码
源码大小：0.15M
文件格式：.zip
开发语言：C#
更新时间：2018-04-30
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源码介绍
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);
}
}
}