008.frm

VB初级练习源码适合刚学习VB的人练习。。。。

VERSION 5.00
Begin VB.Form 计算器 
   BackColor       =   &H00C0C000&
   Caption         =   "计算器"
   ClientHeight    =   3090
   ClientLeft      =   60
   ClientTop       =   450
   ClientWidth     =   4680
   LinkTopic       =   "计算器"
   ScaleHeight     =   3090
   ScaleWidth      =   4680
   StartUpPosition =   3  '窗口缺省
   Begin VB.TextBox Text4 
      ForeColor       =   &H00FF0000&
      Height          =   375
      Left            =   360
      TabIndex        =   4
      Top             =   840
      Width           =   3975
   End
   Begin VB.CommandButton Command3 
      BackColor       =   &H000000C0&
      Caption         =   "计算"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   9
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   1575
      Left            =   360
      MaskColor       =   &H000000FF&
      TabIndex        =   3
      Top             =   1320
      Width           =   975
   End
   Begin VB.TextBox Text3 
      ForeColor       =   &H000000FF&
      Height          =   615
      Left            =   3000
      TabIndex        =   2
      Top             =   2280
      Width           =   1335
   End
   Begin VB.TextBox Text2 
      ForeColor       =   &H000000FF&
      Height          =   615
      Left            =   3000
      TabIndex        =   1
      Top             =   1320
      Width           =   1335
   End
   Begin VB.TextBox Text1 
      BackColor       =   &H00C0C000&
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   21.75
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      ForeColor       =   &H0000FFFF&
      Height          =   615
      Left            =   360
      TabIndex        =   0
      Text            =   "个人所得税计算器"
      Top             =   120
      Width           =   3975
   End
   Begin VB.Label Label2 
      BackColor       =   &H00C0C000&
      Caption         =   "个人所得"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.5
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      ForeColor       =   &H00FF0000&
      Height          =   255
      Left            =   1920
      TabIndex        =   6
      Top             =   2400
      Width           =   855
   End
   Begin VB.Label Label1 
      BackColor       =   &H00C0C000&
      Caption         =   "应付税款"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.5
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      ForeColor       =   &H00FF0000&
      Height          =   255
      Left            =   1920
      TabIndex        =   5
      Top             =   1440
      Width           =   855
   End
End
Attribute VB_Name = "计算器"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Command3_Click()
Dim x As Single
Dim y As Single
Dim z As Single
x = Text4.Text
If x <= 500 Then
y = x * 0.05
z = x - x * 0.05
ElseIf x <= 2000 Then
y = (x - 500) * 0.1 + 25
z = x - (x - 500) * 0.1 - 25
ElseIf x <= 5000 Then
y = (x - 2000) * 0.15 + 175
z = x - ((x - 200) * 0.15) - 175

ElseIf x <= 20000 Then
y = (x - 5000) * 0.2 + 625
z = x - ((x - 5000) * 0.2) - 625
ElseIf x <= 40000 Then
y = (x - 20000) * 0.25 + 3625
z = x - ((x - 20000) * 0.25) - 3625
ElseIf x <= 60000 Then
y = (x - 40000) * 0.3 + 8625
z = x - ((x - 40000) * 0.3) - 8625
ElseIf x <= 80000 Then
y = (x - 60000) * 0.35 + 14625
z = x - ((x - 60000) * 0.35) - 14625
ElseIf x <= 100000 Then
y = (x - 80000) * 0.4 + 21625
z = x - ((x - 80000) * 0.4) - 21625
ElseIf x > 100000 Then
y = (x - 100000) * 0.45 + 29625
z = x - ((x - 100000) * 0.45) - 29625
End If
Text2.Text = y
Text3.Text = z


End Sub