要根据结构一层一层的取数据
For i As Integer = 0 To ndList.count - 1
ssCode = ndList(i).item("body").item("returncode").InnerText
ssMsg = ndList(i).item("body").item("returnmsg").InnerText
If sscode = "0" Then
fphm = ndList(i).item("body").item("returndata").item("fphm").InnerText
fpdm = ndList(i).item("body").item("returndata").item("fpdm").InnerText
End If
Next