Attribute VB_Name = "Module1"
Option Explicit
Public conn As New ADODB.Connection     '標記連接對象
Public select_menu As String            '標記所選擇的菜單
Public userID As String                 '標記當前用戶ID
Public userpow As String                '標記用戶權限
Public book_num As String              '要借的書的編號