朱朱家园

问题：字符串内包括多个单号，组合之间的是非字母数字； Private Shared Sub GetBillNo(fps As List(Of String), dtt As String) dtt=dtt &" " Dim charstemp As New List(Of string) For Each chartemp As Char In dtt If Char.IsLetterOrDigit(chartemp)

Imports System.IOPublic Class Form1    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load        If Boo_DirExist("C:/Lob.cn/") Then           

Module Module1 Sub Main() Dim hu As New huyang hu.name = "mm" '开始装饰 Console.WriteLine("。。。开始装饰。。。。") '定义装饰的对象，以及被装饰的人 Dim dc As New DecoratorCool() Dim dc2 As New DecoratorCool2()

<br />单件模式（Singleton Pattern）这个模式的技术简单明了：<br />（1）隐藏默认类的构造函数<br />（2）添加一个共享的成员，以引用单独的、实例化的对象<br />（3）创建一个公有函数来创建或返回被引用的对象<br /> <br />Public Class Mysingleton<br />    Private Shared m_Instance As Mysingleton<br />    Private Shared m_TimeOfBirth As String