csharp:using Newtonsoft.Json.Net2.0 in .net 2.0 webform
13297 단어 webform
/// <summary>
/// http://www.weather.com.cn/data/sk/101280601.html
/// {"weatherinfo":{"city":" ","cityid":"101280601","temp":"32","WD":" ","WS":"4 ","SD":"68%","WSE":"4","time":"16:40","isRadar":"1","Radar":"JC_RADAR_AZ9755_JB"}}
/// 20140531 Geovin Du
/// </summary>
public class WeatherInfo
{
//public string city;
//public string cityid;
//public string temp;
//public string WD;
//public string WS;
//public string SD;
//public string WSE;
//public string time;
//public string isRadar;
//public string Radar;
string _city;
string _cityid;
string _temp;
string _WD;
string _WS;
string _SD;
string _WSE;
string _time;
string _isRadar;
string _Radar;
/// <summary>
///
/// </summary>
public string city
{
get
{
return _city;
}
set
{
_city = value;
}
}
/// <summary>
///
/// </summary>
public string cityid
{
get
{
return _cityid;
}
set
{
_cityid = value;
}
//get;
//set;
}
/// <summary>
///
/// </summary>
public string temp
{
get
{
return _temp;
}
set
{
_temp = value;
}
}
/// <summary>
///
/// </summary>
public string WD
{
get
{
return _WD;
}
set
{
_WD = value;
}
}
/// <summary>
///
/// </summary>
public string WS
{
get
{
return _WS;
}
set
{
_WS = value;
}
}
/// <summary>
///
/// </summary>
public string SD
{
get
{
return _SD;
}
set
{
_SD = value;
}
}
/// <summary>
///
/// </summary>
public string WSE
{
get
{
return _WSE;
}
set
{
_WSE = value;
}
}
/// <summary>
///
/// </summary>
public string time
{
get
{
return _time;
}
set
{
_time = value;
}
}
/// <summary>
///
/// </summary>
public string isRadar
{
get
{
return _isRadar;
}
set
{
_isRadar = value;
}
}
/// <summary>
///
/// </summary>
public string Radar
{
get
{
return _Radar;
}
set
{
_Radar = value;
}
}
private Dictionary<string, object> _theRest = new Dictionary<string, object>();
public Dictionary<string, object> TheRest
{
get { return _theRest; }
}
// public Dictionary<string, decimal> Rates { get; set; }
}
/// <summary>
/// http://www.weather.com.cn/data/sk/101280601.html
/// 20140531 Geovin Du
/// </summary>
public class WeatherInfoConverter : CustomCreationConverter<WeatherInfo>
{
public override WeatherInfo Create(Type objectType)
{
return new WeatherInfo();
}
public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
{
WeatherInfo mappedObj = new WeatherInfo();
//get an array of the object's props so I can check if the JSON prop s/b mapped to it
PropertyInfo[] myPropertyInfo;
myPropertyInfo = objectType.GetProperties();
string objProps = string.Empty;
//for (int i = 0; i < myPropertyInfo.Length; i++)
//{
// objProps = objProps +" "+ myPropertyInfo[i].ToString();
//}
foreach (PropertyInfo pi in objectType.GetProperties())
{
object value1 = pi.GetValue(mappedObj, null);// pi.GetValue
objProps = objProps + " " + pi.Name;// ,
// , ,
//if(value1.GetType() == typeof(int))
//{
// //
//}
}
//objProps = myPropertyInfo[0].Name.ToLower().ToString(); //objectType.GetProperties().Select(p => p.Name.ToLower()).ToArray();
//loop through my JSON string
while (reader.Read())
{
//if I'm at a property...
if (reader.TokenType == JsonToken.PropertyName)
{
//convert the property to lower case
string readerValue = reader.Value.ToString().ToLower();
if (reader.Read()) //read in the prop value
{
//is this a mapped prop?
if (objProps.Contains(readerValue))
{
//get the property info and set the Mapped object's property value
PropertyInfo pi = mappedObj.GetType().GetProperty(readerValue, BindingFlags.IgnoreCase | BindingFlags.Public | BindingFlags.Instance);
object convertedValue = Convert.ChangeType(reader.Value, pi.PropertyType);
pi.SetValue(mappedObj, convertedValue, null);
}
else
{
//otherwise, stuff it into the Dictionary
mappedObj.TheRest.Add(readerValue, reader.Value);
}
}
}
}
return mappedObj;
}
}
/// <summary>
/// http://www.weather.com.cn/data/sk/101280601.html
/// http://www.weather.com.cn/data/cityinfo/101280601.html
/// http://geoip.weather.com.cn/g/
/// http://m.weather.com.cn/data/101190101.html
/// 20140531 Geovin Du
/// {"weatherinfo":{"city":" ","cityid":"101280601","temp":"32","WD":" ","WS":"4 ","SD":"68%","WSE":"4","time":"16:40","isRadar":"1","Radar":"JC_RADAR_AZ9755_JB"}}
/// </summary>
public partial class WebForm1 : System.Web.UI.Page
{
string json_data = string.Empty;
string url = string.Empty;
//WeatherInfo we = new WeatherInfo();
/// <summary>
/// http://social.msdn.microsoft.com/Forums/en-US/4392c97a-3c6e-45b9-99c9-12a979c64910/c-20-jsonnet
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void Page_Load(object sender, EventArgs e)
{
try
{
url = "http://www.weather.com.cn/data/sk/101280601.html";
WebClient wc = new WebClient();
wc.Encoding = System.Text.Encoding.UTF8;//
json_data = wc.DownloadString(url);
//JsonConvert.DeserializeObject<Table>(json_data);
//var ser = new JavaScriptSerializer();
//we = _download_serialized_json_data<WeatherInfo>(url);
JsonSerializerSettings settings = new JsonSerializerSettings();
WeatherInfo we = JsonConvert.DeserializeObject<WeatherInfo>(json_data, new WeatherInfoConverter());// JsonConvert.DeserializeObject(json_data, Type.GetType, we);
Response.Write(" ："+we.city);
Response.Write(" ：" + we.cityid);
Response.Write(" ：" + we.temp);
Response.Write(" ：" + we.time);
//Response.Write(we.TheRest[""].ToString());
Response.Write(" ：" + we.WD);
Response.Write(" ：" + we.SD);
Dictionary<string, object> dict = we.TheRest;
//Response.Write(we.TheRest["WD"].ToString());
//for (int i = 0; i < dict.Count; i++)
//{
// Response.Write(dict.Keys.ToString());
// Response.Write(dict.Values.ToString());
//}
foreach (KeyValuePair<string, object> kvp in dict)
{
//outputBlock.Text += String.Format("Key = {0}, Value = {1}", kvp.Key, kvp.Value) + "
";
string s = string.Format(" ：{0} ：{1}", kvp.Key.ToString(), (!object.Equals(kvp.Value, null) ? kvp.Value.ToString(): ""));
Response.Write(s);
}
//Hashtable dict = new Hashtable();
//foreach (DictionaryEntry i in dict)
//{
// string s = string.Format(" ：{0} ：{1}", i.Key.ToString(), i.Value.ToString());
// Response.Write(s);
//}
}
catch (JsonReaderException tu)
{
Response.Write(tu.Message.ToString());
}
}
//.net 4.0
//private static T _download_serialized_json_data<T>(string url) where T : new()
//{
// using (WebClient w = new WebClient())
// {
// string json_data = string.Empty;
// // attempt to download JSON data as a string
// try
// {
// json_data = w.DownloadString(url);
// }
// catch (Exception) { }
// // if string with JSON data is not empty, deserialize it to class and return its instance
// return !string.IsNullOrEmpty(json_data) ? JsonConvert.DeserializeObject<T>(json_data) : new T();
// }
//}
}
http://james.newtonking.com/json
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