[英]c# Deserialize Nested json
我是使用json的新手-我正在使用現有的json數據結構並嘗試輸出數據,但是現有數據結構的一部分讓我感到困惑。
以下是我的json數據:
{"supplier":
{
"supplierid":3590,
"code":"ENCLES",
"name":"Les Miserables",
"analyses":[],
"amenities":[],
"info":
"{\"Supplier\":
{
\"Name\":\"Les Miserables\",
\"LastUpdate\":\"2011-11-01T22:16:06Z\",
\"Address3\":\"London\",
\"Address2\":\"51 Shaftesbury Avenue\",
\"PostCode\":\"W1D 6BA\",
\"Address1\":\"Queen's Theatre\",
\"Address4\":\"\",
\"Address5\":\"\",
\"SupplierId\":3590,
\"SupplierCode\":\"ENCLES\"
}
}",
...
}
讓我感到難過的是信息數據-這是另一個嵌套的json字符串。
我的課是:
public class TheatreListing
{
public supplier supplier;
}
public class supplier
{
public int? supplierid { get; set; }
public string code { get; set; }
public string name { get; set; }
public listingInfo info { get; set; }
}
public class listingInfo
{
public Address Supplier { get; set; }
}
public class Address
{
public string Address1 { get; set; }
public string Address2 { get; set; }
public string Address3 { get; set; }
public string Address4 { get; set; }
public string Address5 { get; set; }
public string PostCode { get; set; }
}
我嘗試訪問數據的代碼是:
TheatreListing tl = Json.Decode<TheatreListing>(json);
StringBuilder sbb = new StringBuilder();
sbb.Append("Name = " + tl.supplier.name.ToString());
sbb.Append("<br />Supplier ID = " + tl.supplier.supplierid.ToString());
sbb.Append("<br />Code = " + tl.supplier.code.ToString());
sbb.Append("<br />Address = " + tl.supplier.info.Supplier.Address2.ToString());
litOutput.Text += sbb.ToString();
我收到的錯誤消息是:
Cannot convert object of type 'System.String' to type 'listingInfo'
有人可以指導我這里的錯誤嗎?
干杯
奈傑爾
問題出在線內
TheatreListing tl = Json.Decode<TheatreListing>(json);
我認為您當前的json轉換為TheatreListing失敗。
您為什么不嘗試使用JavascriptSerializer,看看它是否有效。
JavaScriptSerializer js = new JavaScriptSerializer();
TheatreListing tree = js.Deserialize <TheatreListing>(json);
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