Dim s As String = "{'status':'S','errMsg':null,'vouchers':[{'id':'MmZhQwSuT+SJHMi1jHph3yZS4B4\u003d','number':'收-0005'}]}"
Dim jsonData As Object = CType(JsonConvert.DeserializeObject(s), JObject)
Dim jobject As JObject = JsonConvert.DeserializeObject(s)
If jsonData("vouchers").count <> 0 Then
For i As Integer = jsonData("vouchers").count - 1 To 0 Step -1
Dim sFNum As String = jsonData("vouchers").item(i)("number").ToString()
Dim sEASFID As String = jsonData("vouchers").item(i)("id").ToString()
Next
End If