Dim s1!, s2!, a$ '為小數(shù)點的疊加，s1,s2必須定義為單精度型
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Dim flag As Boolean 'flag它是過程及的變量，在通用里必須聲明
'在數(shù)字按鈕控件單擊數(shù)組單擊事件中獲取操作數(shù)（沒有區(qū)分是哪一個操作數(shù)）
Private Sub Command1_Click(Index As Integer)
x = Text1.Text
If flag = True Or x = "0" Then '查看數(shù)字是否輸入完畢或者是否清零了
Text1.Text = CStr(Index) 'CStr將數(shù)值轉換字符
Else
Text1.Text = Text1.Text + CStr(Index) '"+"在這里這個是對字符串的操作的疊加，CStr(Index)是接的數(shù)據(jù)
End If
flag = False '時刻準備數(shù)字的輸入
End Sub
'2.單擊運算符，確定s1，并且要選定運算
Private Sub Command2_Click(Index As Integer)
flag = True
s1 = Val(Text1.Text)
Select Case Index
Case 0
a = "+"
Case 1
a = "-"
Case 2
a = "*"
Case 3
a = "/"
End Select
End Sub
'3."="的單擊事件
Private Sub Command3_Click()
flag = True
s2 = Val(Text1.Text)
Select Case a
Case "+"
Text1.Text = s1 + s2
Case "-"
Text1.Text = s1 - s2
Case "*"
Text1.Text = s1 * s2
Case "/"
Text1.Text = s1 / s2 '分母不能為0
End Select
s1 = 0: s2 = 0: a = ""
End Sub
'4.清屏
Private Sub Command4_Click()
Text1.Text = "0"
s1 = 0
s2 = 0
a = ""
flag = False
End Sub
'5.刪除最后輸入的一個字符，換句話說，將本文框中的字符串取字符（從左往右取left(string,length)），將最后一個字符不取就先行
Private Sub Command5_Click()
If Text1.Text = "" Then
Else
Command5.Enabled = True
Text1.Text = Left(Text1.Text, Len(Text1.Text) - 1)
'len求字符串的長度，left(text1.len(text1)-1減1是取字符串從左往右減去一個字符串
End If
End Sub
'小數(shù)點 1）顯示出"."(注意前面輸入過的整數(shù)必須顯示) 2）小數(shù)后能繼續(xù)接受數(shù)字的輸入
Private Sub Command6_Click()
Text1 = Text1 "."
End Sub
'7加入正負號--單擊“+、-”,產生一個"-"，而且處于一種等待數(shù)字輸入的一種狀態(tài)
Private Sub Command7_Click()
Dim temp As Double
temp = -Val(Text1.Text)
Text1.Text = temp
If d = " " Then s1 = temp Else s2 = temp
End Sub
Private Sub Command8_Click() '退出
End
End Sub
Private Sub Form_Load() '窗體初始化
Text1.Text = 0
Text1.Locked = True
End Sub
下面這段代碼，是我用來計算每個月存500元進銀行，連續(xù)30年，最后連本帶利能有多少錢。這里面涉及復利計算。界面中右邊的文本框用來輸出每一次計算的結果。
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
? Dim nianxian As Integer '年限變量
? Dim dingcun As Integer '定存變量
? Dim fuli_big As Long '大復利
? Dim fuli_small As Long '小復利
? Dim i As Integer '循環(huán)變量
? Dim DATAstring As String '數(shù)據(jù)字符串
? nianxian = Val(年限_TextBox.Text)
? dingcun = Val(定存_TextBox.Text)
? DATAstring = ""
? For i = 1 To nianxian
? ? ? fuli_small = dingcun * (1 + 0.1875)
? ? ? dingcun = fuli_small
? ? ? fuli_big = fuli_big + fuli_small
? ? ? DATAstring = DATAstring + "[" + Trim(Str(i)) + "]" + Str(fuli_big) + Chr(13) + Chr(10)
? ? ? 'DATAstring = DATAstring + "[" + Trim(Str(i)) + "]" + Str(fuli_small) + Chr(13) + Chr(10)
? Next
? 'fuli_big = fuli_small
? TextBox1.Text = DATAstring
? 結果_TextBox.Text = Str(fuli_big) + "元"
End Sub
Dim sFileName As String
Dim Search
Private Sub dateTimeMenu_Click()
Text1.Text = Now
End Sub
Private Sub deleteMenu_Click()
Text1.Text = Left(Text1.Text, Text1.SelStart) + Mid(Text1.Text, Text1.SelStart + Text1.SelLength + 1)
End Sub
Private Sub findMenu_Click()
Search = InputBox("請輸入要查找的字詞：")
Dim Where1 '獲取需要查找的字符串變量
Text1.SetFocus '文本框獲得焦點，以顯示所找到的內容Search = InputBox("請輸入要查找的字詞：")
Where1 = InStr(Text1.Text, Search) '在文本中查找字符串
If Where1 Then
'若找到則設置選定的起始位置并使找到的字符串高亮
Text1.SelStart = Where1 - 1
Text1.SelLength = Len(Search)
' Me.Caption = Where1 '測試用
'否則給出提示
Else: MsgBox "未找到所要查找的字符串。", vbInformation, "提示"
End If
End Sub
Private Sub findNextMenu_Click()
Dim Where2
Dim StartMe As Integer '查找的起始位置變量
Text1.SetFocus '文本框獲得焦點
StartMe = Text1.SelLength + Text1.SelStart + 1 '給變量賦值
Where2 = InStr(StartMe, Text1.Text, Search) '令其從上次找到的地方找起
If Where2 Then
Text1.SelStart = Where2 - 1
Text1.SelLength = Len(Search)
Else: MsgBox "未找到所要查找的字符串.", vbInformation, "提示"
End If
End Sub
Private Sub aboutMenu_Click()
MsgBox Space(2) "文本編輯器版本號1.0" Chr(13) "由西南財經大學天府學院" Chr(13) Space(5) "肖忠 開發(fā)" Chr(13) Space(2) "copyright:天府學院"
End Sub
Private Sub allMenu_Click()
Text1.SelStart = 0
Text1.SelLength = Len(Text1.Text)
End Sub
Private Sub backcolorMenu_Click() '設置背景色代碼
Form1.CommonDialog1.Action = 3
Text1.BackColor = Form1.CommonDialog1.Color
End Sub
Private Sub colorMenu_Click() '改變文字顏色代碼
Form1.CommonDialog1.Action = 3
Text1.ForeColor = Form1.CommonDialog1.Color
End Sub
Private Sub cutMenu_Click()
Clipboard.SetText Text1.SelText
Text1.Text = Left(Text1.Text, Text1.SelStart) + Mid(Text1.Text, Text1.SelStart + Text1.SelLength + 1)
End Sub
Private Sub exitMenu_Click()
End
End Sub
Private Sub fontMenu_Click() '字體菜單代碼
Form1.CommonDialog1.Flags = 3 Or 256
Form1.CommonDialog1.Action = 4
If Len(Form1.CommonDialog1.FontName) = 0 Then
Form1.Text1.FontName = "宋體"
Else
Form1.Text1.FontName = Form1.CommonDialog1.FontName
End If
Form1.Text1.FontSize = Form1.CommonDialog1.FontSize
If Form1.CommonDialog1.FontBold = True Then
Form1.Text1.FontBold = True
Else
Form1.Text1.FontBold = False
End If
If Form1.CommonDialog1.FontItalic = True Then
Form1.Text1.FontItalic = True
Else
Form1.Text1.FontItalic = False
End If
Text1.ForeColor = Form1.CommonDialog1.Color
End Sub
Private Sub Form_Load()
Form1.Text1.Width = Form1.Width - 130
Form1.Text1.Height = Form1.Height
End Sub
Private Sub Form_Resize()
Form1.Text1.Width = Form1.Width - 130
Form1.Text1.Height = Form1.Height
End Sub
Private Sub help1Menu_Click()
Form1.CommonDialog1.HelpCommand = cdlHelpForceFile
Form1.CommonDialog1.HelpFile = "c:\windows\system32\winhelp.hlp"
CommonDialog1.ShowHelp
End Sub
Private Sub newMenu_Click()
If Len(Trim(Text1.Text)) = 0 Then
Form1.Caption = "我的記事本" "--" "未命名"
sFileName = "未命名"
Text1.FontSize = 15
Text1.FontName = "宋體"
Text1.Text = ""
Else
Call saveAsMenu_Click
Form1.Caption = "我的記事本" "--" "未命名"
sFileName = "未命名"
Text1.FontSize = 15
Text1.FontName = "宋體"
Text1.Text = ""
End If
End Sub
Private Sub openMenu_Click() '打開文件代碼
If Len(Trim(Text1.Text)) = 0 Then
Form1.Caption = "我的記事本"
Form1.CommonDialog1.Filter = "文本文件|*.txt"
Form1.CommonDialog1.Flags = 4096
Form1.CommonDialog1.Action = 1
If Len(Form1.CommonDialog1.FileName) 0 Then
sFileName = Form1.CommonDialog1.FileName
Form1.Caption = Form1.Caption "--" Form1.CommonDialog1.FileTitle
Open sFileName For Input As #1
Text1.FontSize = 15
Text1.FontName = "宋體"
Do While Not EOF(1)
Line Input #1, Text$
All$ = All$ + Text$ + Chr(13) + Chr(10)
Loop
Text1.Text = All
Close #1
End If
Else
Call saveAsMenu_Click
Form1.Caption = "我的記事本"
Form1.CommonDialog1.Filter = "文本文件|*.txt"
Form1.CommonDialog1.Flags = 4096
Form1.CommonDialog1.Action = 1
If Len(Form1.CommonDialog1.FileName) 0 Then
sFileName = Form1.CommonDialog1.FileName
Form1.Caption = Form1.Caption "--" Form1.CommonDialog1.FileTitle
Open sFileName For Input As #1
Text1.FontSize = 15
Text1.FontName = "宋體"
Do While Not EOF(1)
Line Input #1, Text$
All$ = All$ + Text$ + Chr(13) + Chr(10)
Loop
Text1.Text = All
Close #1
End If
End If
End Sub
Private Sub pasteMenu_Click() '粘貼菜單代碼
Text1.Text = Left(Text1.Text, Text1.SelStart) + Clipboard.GetText() + Mid(Text1.Text, Text1.SelStart + Text1.SelLength + 1)
End Sub
Private Sub printMenu_Click()
Form1.CommonDialog1.ShowPrinter
For i = 1 To CommonDialog1.Copies
Printer.Print Text1.Text
Printer.Print Text1.Text
Next
Printer.EndDoc
End Sub
Private Sub saveAsMenu_Click() '另存為菜單代碼
If Len(Trim(Text1.Text)) 0 Then
Form1.CommonDialog1.DialogTitle = "保存文件"
Form1.CommonDialog1.InitDir = "D:\"
Form1.CommonDialog1.Filter = "文本文件|*.txt"
Form1.CommonDialog1.Flags = 2
Form1.CommonDialog1.ShowSave
If Len(Form1.CommonDialog1.FileName) 0 Then
sFileName = Form1.CommonDialog1.FileName
Open sFileName For Output As #1
whole$ = Text1.Text
Print #1, whole
Close #1
End If
End If
End Sub
Private Sub saveMenu_Click()
If Len(Trim(Text1.Text)) 0 Then
Form1.CommonDialog1.DialogTitle = "保存文件"
Form1.CommonDialog1.InitDir = "D:\"
Form1.CommonDialog1.FileName = "新建文本"
Form1.CommonDialog1.Filter = "文本文件|*.txt"
Form1.CommonDialog1.Flags = 2
Form1.CommonDialog1.ShowSave
If Len(Form1.CommonDialog1.FileName) 0 Then
sFileName = Form1.CommonDialog1.FileName
Open sFileName For Output As #1
whole$ = Text1.Text
Print #1, whole
Close #1
End If
End If
End Sub
Private Sub statusMenu_Click()
End Sub
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