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我有这个 vb.net 代码,它连接到我们的 U2 数据库并使用子程序获取数据,当我显示数据时,它只是一个由“|”分隔的长字符串。我正在尝试获取每个值并为其分配变量,以便我可以将它们放在文本框中,但每次我尝试 split() 或使用 for 循环语句时,我要么得到“string() 不能转换为字符串”,要么只是整个字符串中的最后一个字母。

这是我尝试拉绳子以查看拆分是否更容易的第一种方法:

Dim args As String = PKG_FUNCTION + "|" + PKG_SERVICE + "|" + PKG_NUMBER
        Dim Subr As UniSubroutine
        Dim value As String

        Subr = Sess.CreateUniSubroutine("SHIP_INFO_FROM_MACH", 5)
        With Subr
            .SetArg(0, args)
            .Call()

            value = (.GetArg(3))
            txtOutput.Text = value

        End With
        txtOutput.Text = value

    End Sub

这是我尝试使用 UniDynArray 的原始方式:

Dim args As String = PKG_FUNCTION + "|" + PKG_SERVICE + "|" + PKG_NUMBER
        Dim Subr As UniSubroutine
        Dim outArray As UniDynArray
        Dim inArray As UniDynArray
        Dim errorArray As UniDynArray

        Subr = Sess.CreateUniSubroutine("SHIP_INFO_FROM_MACH", 5)
        Subr.SetArg(0, args)

        Try
            Subr.Call()
        Catch Ex As Exception
            MsgBox("Error")
        End Try

        inArray = Subr.GetArgDynArray(0) 'Mach Input
        txtInput.Text = inArray.ToString()

        outArray = Subr.GetArgDynArray(3) 'Mach Output
        txtOutput.Text = outArray.ToString()

        errorArray = Subr.GetArgDynArray(4) 'Mach Error Output
        txtError.Text = errorArray.ToString()
        txtPackageID.SelectAll()

这是我尝试的每个返回“字符串不能转换为字符串()”或“字符()不能转换为整数”的函数

Subr = Sess.CreateUniSubroutine("SHIP_INFO_FROM_MACH", 5)
        With Subr
            .SetArg(0, args)
            .Call()

            value = (.GetArg(3))
            Dim test As String() = value.Split(New Char)({"|"c})
            Dim word As String
            For Each word In test
                txtOutput.Text = word
            Next

        End With
        txtOutput.Text = value

    End Sub

有了这个,我可以通过选择它的空格从字符串中提取任何字母,例如: value(20) 提取第 20 个字母,但我仍然不知道如何用它的分隔符分隔并提取每个元素。

Subr = Sess.CreateUniSubroutine("SHIP_INFO_FROM_MACH", 5)
With Subr
    .SetArg(0, args)
    .Call()

    value = (.GetArg(3))
    Dim first As New List(Of String) From {value(20)}
    For Each item As String In first
        txtOutput.Text = UCase(item)
    Next

End With
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1 回答 1

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用 i = 字符串中的目标值拆分

    outArray = Subr.GetArgDynArray(3)
    value = outArray.ToString()
    dim strSplit as String() = value.split("|")
    txtOutput.text = split(i).Trim()
于 2015-08-10T16:58:32.350 回答