假设我从Excel表格中复制了一些数据到剪贴板中,比如是这样一些信息:
Allen 12
Anderson 13
Douglas 12
Ohio 49
我怎样才能把这些名字和数字读进一个数组或者一个Grid框中呢?用Clipboard.GetText(vbCFText)只能一下子读入所有数据,而我希望一个一个地读。
回答:
新建一个项目,在窗体上放两个label和一个command。以下是代码:
Private Sub Command1_Click()
Dim vTekst$
vTekst$ = "Allen 12 "
vTekst$ = vTekst$ & "Anderson 13 "
vTekst$ = vTekst$ & "Bernard 14 "
vTekst$ = vTekst$ & "Constance 15 "
Label1.Caption = vTekst$
Select Case Command1.Caption
Case "Copy Clipboard"
Clipboard.Clear
Clipboard.SetText Label1.Caption
Command1.Caption = "Put into Label"
Case "Put into Label"
Label2.Caption = GetPartofString(Clipboard.GetText, 1)
Command1.Caption = "Copy Clipboard"
'read in array
Dim vText(7) As String
Dim c%
For c% = 0 To 7
vText(c%) = GetPartofString(Clipboard.GetText, c% + 1)
Next c%
'show result
For c% = 0 To 7
MsgBox vText(c%)
Next c%
End Sub
Private Function GetPartofString(source$, part%) As String
Dim p%, c%, tmp$
tmp$ = source$
c% = 0
Do
p% = InStr(tmp, Chr(32))
If p% <> 0 Then
GetPartofString = Left(tmp, p% - 1)
c% = c% + 1
tmp = Right(tmp, Len(tmp) - p%)
End If
Loop While c% <> part%
End Function
--1-------------------------------------------------------------
提问:
我如何才能数出一个字符串中的字母数?举例来说:我想在用户按下OK时计算在Text1.Text中的字母数。
回答:
使用LEN(Text1.text)命令如何?你就可以得到长度……包括空格和其它非字母的字符。所以如果你希望去掉它们的话,必须要一个小函数来检查Text1.Text中的字符是否为真正的字母:
Public Function CountCharacters(source$) As Integer
Dim counter%, t%
Const Characters$ = "abcdefghijklmnopqrstuvwxyz"
For t% = 1 To Len(source$)
If InStr(Characters, LCase$(Mid$(source$, t%, 1))) <> 0 Then
counter% = counter% + 1
End If
Next t%
CountCharacters = counter%
End Function
使用时就象这样:
vString$ = "Testing .... about what?"
MsgBox CountCharacters(vString$)
--2-------------------------------------------------------------
提问:
有没有人知道怎样来做这样一个特殊的循环?我需要把一个字符串,比如“Hey how are you”,中的每个字母放到不同的变量中。例如对上面这句话,H放在A1中,e放在A2中,以此类推。谢谢你的帮助。
回答:
Dim vChar() as String
Sub PlaceInArray(source$)
Dim p%
For p% = 1 To Len(source$)
Redim Preserve vChar(p%)
vChar(p%) = Mid$(source$,p%,1)
Next p%
End Sub
在数组vChar的每一项中就分别是给出字符串的所有字母。
--3-------------------------------------------------------------
提问:
你怎样把一个文本文件中的单词一个一个读入字符串变量中?文件中每个单词都被空格分隔。
回答:
Dim vWords() as String
Sub SplitStringintoWords(bron$)
Dim c%, p%, t%, vCheck%
Dim TempBron$, tmp$
'把一行输入分成单词
t% = 0
TempBron$ = bron$
For c% = 1 To Len(bron$)
p% = InStr(TempBron$, Chr(32))
If p% <> 0 Then
ReDim Preserve vWords(t%)
tmp = Left$(TempBron$, p% - 1)
vWords(t%) = StripString(tmp)
TempBron$ = Right$(TempBron$, Len(TempBron$) - p)
t% = t% + 1
c% = c% + p%
End If
Next c%
ReDim Preserve vWords(t%)
vWords(t%) = StripString(TempBron)
End Sub
首先你必须先读入一行文本,然后使用以上这个过程。在数组vWords中就是文本文件中的所有单词。如果你在读文件方面也需要帮助,告诉我。
--4-------------------------------------------------------------
提问:
我需要替换窗体上所有文本框中的某一个单词,应该怎么做?先说声谢谢了。
回答:
试试这个……
'在新窗体上放一个command和三个textbox,然后加入以下代码
'按F5运行,注意先把Command的caption改成"&Replace somebody with me"
Private Sub Command1_Click()
Const vString$ = "testing for somebody on the.net"
Select Case Command1.Caption
Case "&Replace text in all textboxes"
Text1.Text = vString
Text2.Text = vString
Text3.Text = vString
Command1.Caption = "&Replace somebody with me"
Case "&Replace somebody with me"
Call ChangeText
Command1.Caption = "&Replace text in all textboxes"
End Select
End Sub
Function sReplace(SearchLine As String, SearchFor As String, ReplaceWith As String)
Dim vSearchLine As String, found As Integer
found = InStr(SearchLine, SearchFor): vSearchLine = SearchLine
If found <> 0 Then
vSearchLine = ""
If found > 1 Then vSearchLine = Left(SearchLine, found - 1)
vSearchLine = vSearchLine + ReplaceWith
If found + Len(SearchFor) - 1 < Len(SearchLine) Then _
vSearchLine = vSearchLine + Right$(SearchLine, _
Len(SearchLine) - found - Len(SearchFor) + 1)
End If
sReplace = vSearchLine
End Function
Private Sub ChangeText()
Dim Control
For Each Control In Form1.Controls
If TypeOf Control Is TextBox Then
Control.Text = sReplace(Control.Text, "somebody", "me")
End If
Next Control
End Sub
--5-------------------------------------------------------------
提问:
现在我有一个文本框来输入字符串。另外有60个文本框的控件数组,它们包含了我的一个字典。我设法检查字符串中的每一个单词,看它是否符合控件数组中的也就是字典中的单词。我在检验前不得不把标点全部去掉。如果整个句子都拼写对了,我发出一个消息,如果拼错了,发出另一个消息。
感谢所有对此提出的任何建议和想法。
回答:
假定你有一个文本框来输入单词,然后你对照一个数组来检查它们……你可以使用以下代码作为你的起点……但是请考虑把你的字典转换成一个数据库,因为当它成为一个真正的字典时,数据库工作起来快得多。
'on the general section
Dim vWords()
Dim Max%
Dim vCheckWord()
Private Form1_Load()
Text1.SetFocus
Text1.Text = "living in america but not really"
Max% = 10
'make array
'you can use an ascii file to get the words
Redim vCheckWord(Max)
vCheckWord(0) = "walther"
vCheckWord(1) = "musch"
vCheckWord(2) = "america"
vCheckWord(3) = "tilburg"
vCheckWord(4) = "hallo"
vCheckWord(5) = "testen"
vCheckWord(6) = "testing"
vCheckWord(7) = "really"
vCheckWord(8) = "visual"
vCheckWord(9) = "basic"
End Sub
Sub SplitStringintoWords(bron$)
Dim c%, p%, t%, vCheck%
Dim TempBron$, tmp$
Dim vOke As Boolean
'splitting the input into words
t% = 0
TempBron$ = bron$
For c% = 1 To Len(bron$)
p% = InStr(TempBron$, Chr(32))
If p% <> 0 Then
ReDim Preserve vWords(t%)
tmp = Left$(TempBron$, p% - 1)
vWords(t%) = StripString(tmp)
TempBron$ = Right$(TempBron$, Len(TempBron$) - p)
t% = t% + 1
c% = c% + p%
End If
Next c%
ReDim Preserve vWords(t%)
vWords(t%) = StripString(TempBron)
'checking against spellingschecker
vOke = False
For c% = 0 To t%
For vCheck% = 0 To Max
If vCheckWord(vCheck%) <> vWords(c%) Then
vOke = False
Else
vOke = True
vCheck% = Max%
End If
Next vCheck%
If Not vOke Then MsgBox vWords(c%)
vOke = False
Next c%
End Sub
Private Sub Text1_KeyPress(KeyAscii As Integer)
If KeyAscii = 13 Then
'split string into words
Call SplitStringintoWords(Text1.Text)
End If
End Sub
Function StripString(source As String) As String
Const Letters$ = "abcdefghijklmnopqrstuvwxyz"
Dim p%, tmp$
tmp = source$
For p% = 1 To Len(source$)
If InStr(Letters, LCase(Mid$(source$, p%, 1))) = 0 Then
Select Case p%
Case 1
tmp = Right$(source$, Len(source$) - p%)
Case Len(source$)
tmp = Left$(source$, Len(source$) - 1)
Case Else
tmp = Left$(source$, p%) & Right$(source$, Len(source$) - p%)
End Select
End If
Next p%
StripString = tmp
End Function
--6-------------------------------------------------------------
提问:
我需要帮助,如何判断一个文件名是否有后缀名,然后剥除这个后缀。原本我是想获得文件名,然后用另一个后缀名来把它存为一个备份文件。有没有一个方便的方法,不用搜索整个路径字符串中的“\”。
回答:
从路径字符串的后面向前查找第一个“\”,用Right$命令,这样你就可以得到文件名。
如果你要删掉后缀名,也这么做,只是查找第一个“.”而已。注意在W95中,文件名可以包括一个以上的“.”
可以使用这样的代码:
Dim p%
Function GetFileName(PathString$) As String
GetFileName = PathString
For p% = Len(PathString) To 0 Step -1
If Mid$(PathString,p%,1) = "\" then
GetFileName = Right$(PathString,p%)
Exit Function
End If
Next p%
End Function
--7-------------------------------------------------------------
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