[英]How can I de-serialize this json with C#?
使用C#,我嘗試不反序列化此json內容:
{
"code":200,
"message":"OK",
"name":"The name",
"description":"The description",
"tags":{
"0.1.3":{
"date":"2015-03-11",
"author":"SOMEONE",
},
"0.1.2":{
"date":"2015-03-11",
"author":"SOMEONE",
}
}
}
您已經注意到,這里有一個“標簽”對象列表,但是我沒有表格。
目標課程的開始:
[DataContract]
public class Project
{
[DataMember]
public int code { get; set; }
[DataMember]
public string message { get; set; }
[DataMember]
public string name { get; set; }
[DataMember]
public string description { get; set; }
[DataMember]
**How can I handle tags entries ?**
}
[DataContract]
public class Tag
{
[DataMember]
public string date { get; set; }
[DataMember]
public string author { get; set; }
}
如果使用的是JSON.NET,則可以具有以下內容:
[DataContract]
public class Project
{
[DataMember]
public int code { get; set; }
[DataMember]
public string message { get; set; }
[DataMember]
public string name { get; set; }
[DataMember]
public string description { get; set; }
[DataMember]
public Dictionary<string, Tag> tags { get; set; }
}
[DataContract]
public class Tag
{
[DataMember]
public string date { get; set; }
[DataMember]
public string author { get; set; }
}
然后,您將使用以下方式(假設responseString
包含您的JSON):
Project project = JsonConvert.DeserializeObject<Project>(responseString);
foreach (KeyValuePair<string, Tag> tag in project.tags)
{
Debug.WriteLine("Version: {0}", tag.Key);
Debug.WriteLine("Date: {0}", tag.Value.date);
Debug.WriteLine("Author: {0}", tag.Value.author);
}
根據RFC 4627(JSON規范),JSON輸入有效。
嗯,我能夠反序列化:
Newtonsoft.Json.JsonConvert.DeserializeObject<Project>(json);
但是,這是我的類定義:
public class Project
{
public string code { get; set; }
public string message { get; set; }
public string name { get; set; }
public string description { get; set; }
public Dictionary<string,Tag> tags { get; set; }
}
public class Tag
{
public string date { get; set; }
public string author { get; set; }
}
感謝Arturo TorresSánchez。 要獲取“標簽”條目,聲明必須為:
[DataContract]
public class Project
{
[DataMember]
public int code { get; set; }
[DataMember]
public string message { get; set; }
[DataMember]
public string name { get; set; }
[DataMember]
public string description { get; set; }
[DataMember]
public Dictionary<string, Tag> tags { get; set; }
}
最重要的是,在創建DataContractJsonSerializer實例時,必須修改默認設置並使用新設置。
DataContractJsonSerializerSettings settings =
new DataContractJsonSerializerSettings();
settings.UseSimpleDictionaryFormat = true;
DataContractJsonSerializer serializer =
new DataContractJsonSerializer(typeof(Project), settings);
Project results = (Project)serializer.ReadObject(ms);
沒有設置。UseSimpleDictionaryFormat = true; 標簽的對象計數為0。
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