JSON反序列化后对象与动态创建的对象之间的映射

JSON反序列化后对象与动态创建的对象之间的映射

问题描述:

如何通过实例化一个类创建的对象与由JSON反序列化(JsonConvert)创建的动态对象之间的映射考虑到我不知道动态对象的字段?换句话说,我想更新按名称匹配的动态对象字段。JSON反序列化后对象与动态创建的对象之间的映射

这是我的示例代码:

string json = {\"NDG\":7803, \"NumberOfNights\":2, \"Nome\":\"Ago\", \"Cognome\":\"Mar\", \"CognomeNome\":\"\"}; 
string djson = ?? //I don't know the structure coming from a call as parameter but I know there are some json string identical fields 

public class myVars 
{ 
    public string Userid { get; set; } 
    public string Nome { get; set; } 
    public string Cognome { get; set; } 
    public string CognomeNome { get; set; } 
} 

myVars object1 = JsonConvert.DeserializeObject<myVars>(json); 
dynamic object2 = JObject.Parse(djson); // object2 contains a field named "CognomeNome" 


myVars.CognomeNome = myVars.Cognome + myVarsNome; 
MapObjects(object1 , object2); 
string rjson = JsonConvert.SerializeObject(object2); //returns {"CognomeNome":""} 

public static object MapObjects(object source, object target) 
    { 
     foreach (PropertyInfo sourceProp in source.GetType().GetProperties()) 
     { 
      PropertyInfo targetProp = target.GetType().GetProperties().Where(p => p.Name == sourceProp.Name).FirstOrDefault(); 
      if (targetProp != null && targetProp.GetType().Name == sourceProp.GetType().Name) 
      { 
       targetProp.SetValue(target, sourceProp.GetValue(source)); 
      } 
     } 
     return target; 
    } 
+2

你到目前为止尝试过什么? –

+3

您需要为您的问题添加更多信息才能负责(例如,也许?)。看起来['AutoMapper'支持](https://github.com/AutoMapper/AutoMapper/wiki/Dynamic-and-ExpandoObject-Mapping)for'dynamic',所以这大概延伸到'JObject' – StuartLC

+0

可能的重复[如何从一个静态对象创建一个动态对象?](https://stackoverflow.com/questions/23156815/c-sharp-how-to-create-a-dynamic-object-from-a-static-object ) – derloopkat

最简单的方法是使用现有的automappers之一(Alternatives to AutoMapper

例如,这样的: https://github.com/agileobjects/AgileMapper/wiki/Performing-Updates听起来就像是你在问什么。