在asp VB.NET怎么查找一維數(shù)組中特定字符串

先遍歷數(shù)組：

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for?i?=?0?to?Ubound(數(shù)組)

...

next

再把中間的...替換成：

if?數(shù)組(i)?=?特定的字符?then?msgbox?"找到鳥，當(dāng)前是：數(shù)組"??i

vb.net byte數(shù)組中怎樣搜索特定的byte值

Public?Class?Form1

Private?Sub?Button1_Click(ByVal?sender?As?System.Object,?ByVal?e?As?System.EventArgs)?Handles?Button1.Click

Dim?a()?As?Byte?=?System.IO.File.ReadAllBytes("record.db")

For?Index?As?Integer?=?a.GetLowerBound(0)?To?a.GetUpperBound(0)?-?3

If?a(Index)?=?56?AndAlso?a(Index?+?1)?=?57?AndAlso?a(Index?+?2)?=?58?AndAlso?a(Index?+?3)?=?59?Then

Debug.Print(Index.ToString)?'輸出byte串位置

End?If

Next

End?Sub

End?Class

剛學(xué)，不知道有沒有直接在數(shù)組中搜索一串元素的方法。

vb.net如何在數(shù)組中查找數(shù)組?

'''這個函數(shù)功能就是用來把數(shù)組轉(zhuǎn)為string的格式'''如byte()={1,2,3,4,5,6}轉(zhuǎn)化后變?yōu)?,1,2,3,4,5,6,"Function ByteArrayToString(bytes() As Byte) As String Dim s As String = "" For i As Integer = 0 To bytes.Length s = Convert.ToString(bytes(i)) "," Next Return “," sEnd Function Sub Search()Dim a as byte()={1,2,3,4,5,6}

Dim b as byte()={2,3,4}

Dim astr As String = ByteArrayToString(a)Dim bstr As String = ByteArrayToString(b)Dim index As Integer = astr.IndexOf(bstr) '這個index就是b數(shù)組在a數(shù)組的位置，下標(biāo)從0開始，不過記得處理下逗號，因?yàn)檫@時候是字符串。'''如果index小于0說明沒有匹配內(nèi)容End Sub 現(xiàn)在說明下ByteArrayToString為什么要在字符串開頭加個","，如果不加，可能出現(xiàn)a="1,23,4,5,6,", b="3,4,5,"，結(jié)果導(dǎo)致查詢位置錯誤，匹配了a的位置