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  • VB 老旧版本维护系列---迷之集合- ArrayList

    迷之集合- ArrayList

    ‘定义一个字符串

    Dim dataType_ImageStr As String = "2023,2091,2092,2096,2212"

    ‘将字符串转化为数组

    Dim dataType_Image() As String = dataType_ImageStr.Split(",")

    ‘将数组转化为数组集合

    Dim DataType_ImageList As ArrayList = ArrayList.Adapter(dataType_Image)

    ‘对数组集合的item做操作

    If DataType_ImageList.Contains(TypeName) Then

             Msg = "此类型存在集合中"

    Else

             Msg = "不存在此项"

    End If

    具体方法:

    引入集合dll Imports System.Collections.Generic

    Function GetDataItemType(ByVal TypeName As String) As String

           Dim dataType_ImageStr As String = "2023,2091,2092,2096,2212"

      Dim dataType_Image() As String = dataType_ImageStr.Split(",")

      Dim DataType_ImageList As ArrayList = ArrayList.Adapter(dataType_Image)

        Dim Msg As String = ""

           If DataType_ImageList.Contains(TypeName) Then

              Msg = "此类型存在集合中"

        Else

              Msg = "不存在此项"

        End If

        Return Msg

    End Function

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  • 原文地址:https://www.cnblogs.com/bingshao/p/11993591.html
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