csharp: using using System.Web.Script.Serialization read json

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70

using System; using System.Data; using System.Configuration; using System.Collections; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Web.UI.HtmlControls; //先在项目中添加System.Web.Extensions引用.net 3.5 using System.Web.Script.Serialization; using System.Collections.Specialized; using System.Collections.Generic; using System.Text; using System.Net;     namespace JSONFromCS {     public partial class WebForm3 : System.Web.UI.Page     {         /// <summary>         /// 将json数据反序列化为Dictionary<br>///<a href="http://www.weather.com.cn/static/html/legend.shtml" rel="noopener nofollow">http://www.weather.com.cn/static/html/legend.shtml</a> 天气图示         /// </summary>         /// <param name="jsonData">json数据</param>         /// <returns></returns>         private Dictionary<string, object> JsonToDictionary(string jsonData)         {             //实例化JavaScriptSerializer类的新实例             JavaScriptSerializer jss = new JavaScriptSerializer();             try             {                 //将指定的 JSON 字符串转换为 Dictionary<string, object> 类型的对象                 return jss.Deserialize<Dictionary<string, object>>(jsonData);             }             catch (Exception ex)             {                 throw new Exception(ex.Message);             }         }         /// <summary>         ///         /// </summary>         /// <param name="sender"></param>         /// <param name="e"></param>         protected void Page_Load(object sender, EventArgs e)         {             string  url = "http://www.weather.com.cn/data/cityinfo/101280601.html";             WebClient wc = new WebClient();             wc.Encoding = System.Text.Encoding.UTF8;//定义对象语言             string json = wc.DownloadString(url);             //string json = "{\"weatherinfo\":{\"city\":\"深圳\",\"cityid\":\"101280601\",\"temp\":\"32\",\"WD\":\"西南风\",\"WS\":\"4级\",\"SD\":\"68%\",\"WSE\":\"4\",\"time\":\"16:40\",\"isRadar\":\"1\",\"Radar\":\"JC_RADAR_AZ9755_JB\"}}";             StringBuilder strb = new StringBuilder();             Dictionary<string, object> dic = JsonToDictionary(json);//将Json数据转成dictionary格式             Dictionary<string, object> dataSet = (Dictionary<string, object>)dic["weatherinfo"];             //使用KeyValuePair遍历数据             foreach (KeyValuePair<string, object> item in dataSet)             {                   strb.Append(item.Key + ":" + item.Value + "<br/>");//显示到界面                                                                 }               Response.Write(strb.ToString());         }     } }