解析JSON我有JSON:{'success':'1','return':[{'id':'32928888','datetime':'2014-03-25 02:49:21','price':'0.02800939','quantity':'0.26094649','total':'0.00730895','io':'Buy'},{'id':'32928884','datetime':'2014-03-25 02:49:18','price':'0.02800939','quantity':'0.09930853','total':'0.00278157','io':'Buy'},{'id':'32928850','datetime':'2014-03-25 02:48:49','price':'0.02800939','quantity':'0.00093585','total':'0.00002621','io':'Buy'},{'id':'32928848','datetime':'2014-03-25 02:48:48','price':'0.02800939','quantity':'0.23547262','total':'0.00659544','io':'Sell'},{'id':'32928698','datetime':'2014-03-25 02:47:42','price':'0.02800939','quantity':'0.25553470','total':'0.00715737','io':'Sell'},{'id':'32928540','datetime':'2014-03-25 02:47:05','price':'0.02800940','quantity':'0.00820048','total':'0.00022969','io':'Sell'}]}
如何在vb.net
我用代码:
Public Function parse_json(ByVal json As String) As Nullable
Try
Dim jResults As JObject = JObject.Parse(json)
Dim results As List(Of JToken) = jResults.Children().ToList()
For Each item As JProperty In results
item.CreateReader()
MsgBox(item.Value("id"))
MsgBox(item.Value("datetime"))
Next
Catch ex As Exception
MsgBox(ex.ToString)
End Try
End Function
,但我得到错误说信息:System.InvalidOperationException:无法访问Newtonsoft.Json孩子值.Linq.JValue。我究竟做错了什么?我需要获得所有ID,价格等。
错误\t \t 1 '的GetValue' 不是 'Newtonsoft.Json.Linq.JObject' 的成员。 – user1164545
它是一个成员:http://james.newtonking.com/json/help/index.html?topic=html/T_Newtonsoft_Json_Linq_JObject.htm – onof
为什么Visual Studio显示我那个错误? – user1164545