统计字符.frm

Visual Basic课程举例1 有很好的例题

VERSION 5.00
Begin VB.Form Form1 
   Caption         =   " "
   ClientHeight    =   3195
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   6855
   LinkTopic       =   "Form1"
   ScaleHeight     =   3195
   ScaleWidth      =   6855
   StartUpPosition =   3  '窗口缺省
   Begin VB.TextBox Text1 
      Height          =   1095
      Left            =   2640
      TabIndex        =   1
      Top             =   3000
      Width           =   4935
   End
   Begin VB.CommandButton Command1 
      Caption         =   "统计"
      Height          =   540
      Left            =   3600
      TabIndex        =   0
      Top             =   4800
      Width           =   2655
   End
   Begin VB.Label Label10 
      Caption         =   "小写字母数"
      Height          =   855
      Left            =   2520
      TabIndex        =   11
      Top             =   960
      Width           =   1815
   End
   Begin VB.Label Label9 
      Height          =   735
      Left            =   2640
      TabIndex        =   10
      Top             =   2040
      Width           =   1695
   End
   Begin VB.Label Label8 
      Caption         =   "其他字符数"
      Height          =   855
      Left            =   8520
      TabIndex        =   9
      Top             =   960
      Width           =   1935
   End
   Begin VB.Label Label6 
      Caption         =   "数字数"
      Height          =   855
      Left            =   6600
      TabIndex        =   8
      Top             =   960
      Width           =   1455
   End
   Begin VB.Label Label7 
      Caption         =   "空格数"
      Height          =   975
      Left            =   4560
      TabIndex        =   7
      Top             =   960
      Width           =   1695
   End
   Begin VB.Label Label5 
      Caption         =   "大写字母数"
      Height          =   735
      Left            =   840
      TabIndex        =   6
      Top             =   960
      Width           =   1575
   End
   Begin VB.Label Label4 
      Height          =   735
      Left            =   8640
      TabIndex        =   5
      Top             =   2160
      Width           =   1935
   End
   Begin VB.Label Label3 
      Height          =   495
      Left            =   6840
      TabIndex        =   4
      Top             =   2280
      Width           =   1335
   End
   Begin VB.Label Label2 
      Height          =   855
      Left            =   4920
      TabIndex        =   3
      Top             =   2160
      Width           =   1335
   End
   Begin VB.Label Label1 
      Height          =   735
      Left            =   1080
      TabIndex        =   2
      Top             =   2040
      Width           =   1215
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Frame1_DragDrop(Source As Control, X As Single, Y As Single)

End Sub

Private Sub Command1_Click()
Dim p$, i&, t$, dx&, xx&, kg&, sz&, qt&
p = Text1.Text
For i = 1 To Len(p)
t = Mid$(p, i, 1)
If t Like "[A-Z]" Then
dx = dx + 1
ElseIf t Like "[a-z]" Then
xx = xx + 1
ElseIf t = Chr(32) Then
kg = kg + 1
ElseIf t Like "#" Then
sz = sz + 1
Else: qt = qt + 1
End If
Next
Label1 = dx
Label9 = xx
Label2 = kg
Label3 = sz
Label4 = qt


End Sub