跟着bob学win10 ump 学习笔记： lesson57 Weather

  1 using System;
  2 using System.Collections.Generic;
  3 using System.Linq;
  4 using System.Text;
  5 using System.Threading.Tasks;
  6 using System.Net.Http;
  7 using System.Text.RegularExpressions;
  8 using Windows.UI.Xaml.Controls;
  9 
 10 namespace UMPWeather
 11 {
 12     public class WeatherManager
 13     {
 14 
 15         private static async Task<List<string>> getWeatherDataByBaiduAsync()
 16         {
 17 
 18             try
 19             {
 20                 List<string> weatherList = new List<string>();
 21                 var http = new HttpClient();
 22                 var responseString = await http.GetStringAsync("http://www.baidu.com/s?wd=本地天气");
 23                 const string regexWeatherString = @"op_weather4_twoicon_today([\s\S]+?)</a>";//匹配
 24                 MatchCollection myMatch = Regex.Matches(responseString, regexWeatherString);
 25                 //这个获取到3条数据   第二条是我们要的。
 26                 #region 获得的数据
 27 
 28                 /*op_weather4_twoicon_today OP_LOG_LINK" target="_blank" href=‘http://www.baidu.com/link?url=IIr1VEd89cnNmtp5DztMt2B_t3rXTE2tjBV8TXaqSThssbE0vKYCwiJiNjO2pfNj3R2FuLM13eV64pcgSQlZ8q‘ data-click=‘{"url":"http://www.weather.com.cn/weather/101200501.shtml"}‘ weath-bg=‘cloudy‘ weath-eff=‘[]‘>
 29                         <p class="op_weather4_twoicon_date">
 30 
 31 
 32                                                     周三 05月04日 农历三月廿八 (实时：27℃)
 33                                 </p>
 34 
 35                     <div class="op_weather4_twoicon_icon" style="background:url(http://s1.bdstatic.com/r/www/aladdin/img/new_weath/bigicon/3.png);*background:none;*filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src=http://s1.bdstatic.com/r/www/aladdin/img/new_weath/bigicon/3.png)"></div>
 36 
 37                     <p class="op_weather4_twoicon_temp">29 ~ 20<sup>℃</sup></p>
 38                     <p class="op_weather4_twoicon_weath"
 39                     title="">
 40 
 41                                                                 阴
 42 
 43                     </p>
 44                     <p class="op_weather4_twoicon_wind">微风</p>
 45 
 46                                                             <p class="op_weather4_twoicon_pm25">实时空气质量:
 47                                                 <em style="background:#afdb00"><b>75</b>&nbsp;良</em>
 48                                             </p>
 49                                 </a>*/
 50                 #endregion
 51                 string ResultString = myMatch[1].ToString();
 52                 //一共5个p  分别对应date,temp,weath,wind,pm25
 53                 const string regexPString = @"<p([\s\S]+?)</p>";//匹配全部的段落
 54                 myMatch = Regex.Matches(ResultString, regexPString);
 55 
 56                 foreach (var item in myMatch)
 57                 {
 58                     //去除文本中的全部空格
 59                     string a = item.ToString();
 60                     a.Replace(" ", "");
 61 
 62                     //将今天的天气数据放在天气清单里面
 63                     weatherList.Add(a);
 64                 }
 65                 return weatherList;
 66             }
 67             catch (Exception )
 68             {
 69 
 70                throw ;
 71 
 72             }
 73         }
 74         public static async Task<Weather> GetWeatherAsync(Weather weatherToday)
 75         {
 76             List<string> weatherList = await getWeatherDataByBaiduAsync();
 77 
 78             if (weatherList.Count == 5)
 79             {
 80                 weatherToday.Data = weatherList[0];
 81                 weatherToday.Temp = weatherList[1];
 82                 weatherToday.Weath = weatherList[2];
 83                 weatherToday.Wind = weatherList[3];
 84                 weatherToday.PM25 = weatherList[4];
 85                 
 86             }
 87             return weatherToday;
 88         }
 89         
 90     }
 91     public class Weather
 92     {
 93         public string Data { get; set; }
 94         public string Temp { get; set; }
 95         public string Weath  { get; set; }
 96         public string Wind { get; set; }
 97         public string PM25 { get; set; }
 98 
 99 
100     }
101 }

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices.WindowsRuntime;
using Windows.Foundation;
using Windows.Foundation.Collections;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Controls.Primitives;
using Windows.UI.Xaml.Data;
using Windows.UI.Xaml.Input;
using Windows.UI.Xaml.Media;
using Windows.UI.Xaml.Navigation;
using System.Text;
//“空白页”项模板在 http://go.microsoft.com/fwlink/?LinkId=402352&clcid=0x409 上有介绍

namespace UMPWeather
{
    /// <summary>
    /// 可用于自身或导航至 Frame 内部的空白页。
    /// </summary>
    public sealed partial class MainPage : Page
    {
    
        public MainPage()
        {
            this.InitializeComponent();
        }

        private async void GetWeatherButton_Click(object sender, RoutedEventArgs e)
        {
            var weatherToday = await WeatherManager.GetWeatherAsync(new Weather());
            WeatherListBox.Items.Add(weatherToday.Data);
            WeatherListBox.Items.Add(weatherToday.Temp);
            WeatherListBox.Items.Add(weatherToday.Weath);
            WeatherListBox.Items.Add(weatherToday.Wind);
            WeatherListBox.Items.Add(weatherToday.PM25);
        }
    }
}