我正在尝试将从Web服务器收到的json数据服务反序列化为对象.到目前为止,我刚刚建立了一个httpwebrequest,它从服务器获取json fromatted数据.
public void DoHttpWebRequest(string url) { HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url); request.Method = "GET"; request.BeginGetResponse(new AsyncCallback(onGetResponse),request); } public void onGetResponse (IAsyncResult asyncResult) { HttpWebRequest myRequest = (HttpWebRequest)asyncResult.AsyncState; HttpWebResponse myResponse = (HttpWebResponse)myRequest.EndGetResponse(asyncResult); using (StreamReader httpwebStreamReader = new StreamReader(myResponse.GetResponseStream())) { string results = httpwebStreamReader.ReadToEnd(); Dispatcher.BeginInvoke(() => textBlock5.Text = results); } myResponse.Close(); }
这将返回以下数据.
{"BodyStyle":"Sports","ChassisNumber":19316,"Colour":"Ivory","Condition":"Showroom","Model":"Silver Wraith","Owners":[{"DateBought":"\/Date(-207269643940+0100)\/","DateSold":"\/Date(-113297981580+0100)\/","ID":651,"Owner":{"Address":null,"Decorations":null,"Email":"jvcuejnj.ldmfkiftvh@wx-sts.net","Forename":"Ismael","ID":637,"Mobile":"008547-4461","Surname":"Anderson","Telephone":"366892-9004","Title":"Mr"}}],"RegistrationNumber":"RB4107 ","Year":1909}
如何使用DataContractJsonSerializer将数据解析为具有以下类的对象?
public class CarOwnershipRecord { public int? ID{ get; set; } public DateTime? DateBought{ get; set; } public DateTime? DateSold{ get; set; } public Person Owner{ get; set; } } public class Car { public string BodyStyle{ get; set; } public short? ChassisNumber{ get; set; } public string Colour{ get; set; } public string Condition{ get; set; } public string Model{ get; set; } public List<CarOwnershipRecord> Owners{ get; set; } public string RegistrationNumber{ get; set; } public short Year{ get; set; } } public class CarPhoto { public string RegistrationNumber{ get; set; } public byte[] Photo{ get; set; } // The Photo field contains the binary contents of an image file }
解决方法
这样的事情会给你正确的结果:
byte[] data = Encoding.UTF8.GetBytes(jsonString); MemoryStream memStream = new MemoryStream(data); DataContractJsonSerializer serializer = new DataContractJsonSerializer(typeof(Car)); Car car = (Car) serializer.ReadObject(memStream);
虽然如果要跳过MemoryStream部分,可以直接从响应流反序列化