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# Join Function

從字串陣列中的多個子字串中傳回一個字串。

## 語法：

    Join (Text As String Array, delimiter)

## 傳回值類型：

字串型

## 參數：

Text：字串陣列。

delimiter (可選)：用於將傳回的字串中的子字串分隔開的一個字串字元。標準的分割元為空格字元。如果分隔字元是一個零長度字串 ""，則子字串將緊密相接，相互間無分隔符。

## 示例：

    Dim a(3)

    Sub main()

        a(0) = "ABCDE"

        a(1) = 42

        a(2) = "MN"

        a(3) = "X Y Z"

        JStr = Join1()

        Call Show(JStr, Split1(JStr))

        JStr = Join2()

        Call Show(JStr, Split1(JStr))

        JStr = Join3()

        Call Show(JStr, Split1(JStr))

    End Sub

    Function Join1()

        Join1 = Join(a(), "abc")

    End Function

    Function Join2()

        Join2 = Join(a(), ",")

    End Function

    Function Join3()

        Join3 = Join(a())

    End Function

    Function Split1(aStr)

        Split1 = Split(aStr, "D")

    End Function

    Sub Show(JoinStr, TheArray)

        l = LBound(TheArray)

        u = UBound(TheArray)

        total$ = "=============================" + Chr$(13) + JoinStr + Chr$(13) + Chr$(13)

        For i = l To u

            total$ = total$ + TheArray(i) + Str(Len(TheArray(i))) + Chr$(13)

        Next i

        MsgBox total$

    End Sub