RandomExRandomNumber 方法

public static string RandomNumber(
	int length = 18,
	bool firstcanbezero = true
)

Public Shared Function RandomNumber ( 
	Optional length As Integer = 18,
	Optional firstcanbezero As Boolean = true
) As String

static member RandomNumber : 
        ?length : int * 
        ?firstcanbezero : bool 
(* Defaults:
        let _length = defaultArg length 18
        let _firstcanbezero = defaultArg firstcanbezero true
*)
-> string