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我最近开始使用vb.net的一个项目,我正在努力弄清楚如何获取Mid类中的几个项目的数据o,h,l, c转换为double并加载到数组中,最终对它们执行一些数学函数。以下是我希望使用的JSON数据的一小部分(1000个中的3个)样本。在VB.NET中反序列化嵌套的JSON进行转换
{
"instrument": "EUR_USD",
"granularity": "M1",
"candles": [
{
"complete": true,
"volume": 18,
"time": "2017-07-21T04:13:00.000000000Z",
"mid": {
"o": "1.16281",
"h": "1.16284",
"l": "1.16274",
"c": "1.16281"
}
},
{
"complete": true,
"volume": 96,
"time": "2017-07-21T20:58:00.000000000Z",
"mid": {
"o": "1.16640",
"h": "1.16642",
"l": "1.16628",
"c": "1.16628"
}
},
{
"complete": true,
"volume": 32,
"time": "2017-07-21T20:59:00.000000000Z",
"mid": {
"o": "1.16628",
"h": "1.16652",
"l": "1.16628",
"c": "1.16641"
}
}
]
}
下面是相关代码:
Imports Newtonsoft.Json
Public Class Rootobject
Public Property instrument As String
Public Property granularity As String
Public Property candles() As List(Of Candle)
End Class
Public Class Candle
Public Property complete As Boolean
Public Property volume As Integer
Public Property time As String
Public Property mid As Mid
End Class
Public Class Mid
Public Property o As String
Public Property h As String
Public Property l As String
Public Property c As String
End Class
... 'jsonstring loaded with data here
Dim obj = JsonConvert.DeserializeObject(Of Rootobject)(jsonstring)
我试图做类似下面的东西用一个循环只接收错误。
Dim obj2 = obj.candles(0).mid.o
我也试图找到使用JObject.Parse(jsonstring)没有任何成功的方法。那么,具体来说,将Mid类中的值加载到数组中以便进一步处理的最佳方法是什么?
在此先感谢。