📄 frmstock.frm
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ColumnCount = 2
BeginProperty Column00
DataField = ""
Caption = ""
BeginProperty DataFormat {6D835690-900B-11D0-9484-00A0C91110ED}
Type = 0
Format = ""
HaveTrueFalseNull= 0
FirstDayOfWeek = 0
FirstWeekOfYear = 0
LCID = 2052
SubFormatType = 0
EndProperty
EndProperty
BeginProperty Column01
DataField = ""
Caption = ""
BeginProperty DataFormat {6D835690-900B-11D0-9484-00A0C91110ED}
Type = 0
Format = ""
HaveTrueFalseNull= 0
FirstDayOfWeek = 0
FirstWeekOfYear = 0
LCID = 2052
SubFormatType = 0
EndProperty
EndProperty
SplitCount = 1
BeginProperty Split0
MarqueeStyle = 0
AllowRowSizing = 0 'False
BeginProperty Column00
EndProperty
BeginProperty Column01
EndProperty
EndProperty
End
Begin MSAdodcLib.Adodc adoStock
Height = 495
Left = 4440
Top = 2160
Width = 1335
_ExtentX = 2355
_ExtentY = 873
ConnectMode = 0
CursorLocation = 3
IsolationLevel = -1
ConnectionTimeout= 15
CommandTimeout = 30
CursorType = 3
LockType = 3
CommandType = 8
CursorOptions = 0
CacheSize = 50
MaxRecords = 0
BOFAction = 0
EOFAction = 0
ConnectStringType= 1
Appearance = 1
BackColor = -2147483643
ForeColor = -2147483640
Orientation = 0
Enabled = -1
Connect = ""
OLEDBString = ""
OLEDBFile = ""
DataSourceName = ""
OtherAttributes = ""
UserName = ""
Password = ""
RecordSource = ""
Caption = "Adodc1"
BeginProperty Font {0BE35203-8F91-11CE-9DE3-00AA004BB851}
Name = "宋体"
Size = 9
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
_Version = 393216
End
End
End
Attribute VB_Name = "frmStock"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit
Public IsModify As Boolean '用于判断记录修改后保存，还是添加后保存
Dim TotalRecord As Integer '打开的数据表中的记录总数
Private Sub comDate_Click()
MonthView1.Visible = True
End Sub
Private Sub Form_Load()
Dim i As Integer
Dim strSQL As String
'确定窗体的初始位置
frmStock.Left = 2000
frmStock.Top = 250
adoStock.LockType = adLockBatchOptimistic
adoStock.ConnectionString = g_Conn.ConnectionString
Dim StockType As Variant
'将需要添加的股票类型设置为数组
StockType = Array("A股", "B股")
For i = 0 To 1
Combo1.AddItem StockType(i)
Next i
Tlbar.Buttons.add 1, "Add", "增加", , "Add" '添加按钮
Tlbar.Buttons.add 2, , , tbrSeparator '添加分隔符
Tlbar.Buttons.add 3, "Edit", "修改", , "Edit"
Tlbar.Buttons.add 4, , , tbrSeparator
Tlbar.Buttons.add 5, "Save", "保存", , "Save"
Tlbar.Buttons.add 6, , , tbrSeparator
Tlbar.Buttons.add 7, "Del", "删除", , "Del"
Tlbar.Buttons.add 8, , , tbrSeparator
Tlbar.Buttons.add 9, "Exit", "退出", , "Exit"
Tlbar.Buttons(2).Enabled = False
Tlbar.Buttons(3).Enabled = False
Tlbar.Buttons(5).Enabled = False
AllDisEnabled
Combo1.Enabled = False
MonthView1.Visible = False
comDate.Enabled = False
'选择表中必要的字段在表格中显示出来，并且按照StockChange中的索引号排序
'Dim strSQL As String
strSQL = "SELECT StockChange.ID, "
strSQL = strSQL & " StockChange.Code as 股票代码, Name as 股票名称, "
strSQL = strSQL & " Last as 昨日收盘, Today as 今日开盘, "
strSQL = strSQL & " Volume as 交易量, [Volume Price] as 交易额, "
strSQL = strSQL & " Change as 涨跌, TypeName as 类型, Day as 日期 "
strSQL = strSQL & " FROM StockChange, StockInfo, StockType "
strSQL = strSQL & " WHERE StockChange.Code=StockInfo.Code AND "
strSQL = strSQL & " StockInfo.TypeId=StockType.ID "
strSQL = strSQL & " ORDER BY StockChange.ID "
adoStock.RecordSource = strSQL
adoStock.Refresh '更新数据源
grdStock.Columns(0).Width = 300 '设置第一列的宽度
'rec.MoveLast '将记录指针移动到最后
TotalRecord = adoStock.Recordset.RecordCount '然后用这一条代码统计记录总数
'rec.MoveFirst '指针移动到记录的最开始
'在状态栏中显示记录总数
sbr.Panels(1).Text = " 共 ：" & TotalRecord & "条记录"
End Sub
Private Sub grdStock_SelChange(Cancel As Integer)
If grdStock.Row = -1 Then Exit Sub
Dim tt As String
'一共有9个TextBox
'grdStock.get
On Error Resume Next
With grdStock
txtID.Text = .Columns(0).CellValue(.RowBookmark(.Row))
txtCode.Text = .Columns(1).CellValue(.RowBookmark(.Row))
txtName.Text = .Columns(2).CellValue(.RowBookmark(.Row))
txtLast.Text = .Columns(3).CellValue(.RowBookmark(.Row))
txtToday.Text = .Columns(4).CellValue(.RowBookmark(.Row))
txtVol.Text = .Columns(5).CellValue(.RowBookmark(.Row))
txtVolPrice.Text = .Columns(6).CellValue(.RowBookmark(.Row))
txtChange.Text = .Columns(7).CellValue(.RowBookmark(.Row))
txtDate.Text = .Columns(9).CellValue(.RowBookmark(.Row))
If .Columns(8).CellValue(.RowBookmark(.Row)) = "A股" Then
Combo1.ListIndex = 0
Else
Combo1.ListIndex = 1
End If
End With
'所有文本框禁用，使之不可修改
AllDisEnabled
'弹出日期控件的按钮禁用
comDate.Enabled = False
'判断并在组合框中显示每支股票的类型
Tlbar.Buttons(3).Enabled = True '修改按钮可用
Tlbar.Buttons(5).Enabled = False '保存按钮禁用
Combo1.Enabled = False '显示股票类型的组合框禁用
End Sub
Private Sub MonthView1_DateClick(ByVal DateClicked As Date)
txtDate.Text = MonthView1.Value
MonthView1.Visible = False
End Sub
'工具栏的按钮点击后处理函数
Private Sub Tlbar_ButtonClick(ByVal Button As MSComctlLib.Button)
Dim strSQL As String
Dim rst As VbMsgBoxResult
'判别工具栏按钮的关键字
Select Case Button.Key
Case "Add"
add '调用add子过程
Case "Save"
save
Case "Del" '删除记录，
'如果股票代码栏为空，则退出子过程
If txtCode.Text = "" Then Exit Sub
rst = MsgBox("确定要删除【" & txtName.Text & "】？(Y/N)", _
vbQuestion + vbOKCancel + vbDefaultButton1, "股票分析系统")
If rst = 1 Then
'删除指定股票的一条记录
strSQL = " DELETE * FROM [StockChange] "
strSQL = strSQL & " WHERE Code='" & grdStock.Columns(0).CellValue(grdStock.RowBookmark(grdStock.Row)) & "'"
g_Conn.Execute strSQL
'对数据库数据操作后，必须进行更新
adoStock.Refresh
add
'如果记录指针没有移动到结尾，指针移动到最后一条记录
If Not adoStock.Recordset.EOF Then
adoStock.Recordset.MoveLast
End If
'显示记录总数
TotalRecord = adoStock.Recordset.RecordCount
sbr.Panels(1).Text = " 共 ：" & TotalRecord & "条记录。"
End If
Clear '调用Clear过程，设置文本框和按钮是否能用
Case "Edit"
Edit '调用修改过程
Case "Exit"
Unload Me '退出该窗体
End Select
End Sub
'添加数据，将各个文本框设为可用状态，并且清空
Private Sub add()
AllEnabled '所有文本框可用
AllClear '所有文本框清空
comDate.Enabled = True '可以用comDate调用日期控件
txtCode.SetFocus '将txtCode设置为焦点
IsModify = False '修改标志置为“否”
Tlbar.Buttons(5).Enabled = True '“保存”设置为可用
Combo1.Enabled = True '显示股票类型的组合框可用
txtCode.Locked = False
End Sub
'保存数据修改
Private Sub save()
Dim strSQL As String
On Error GoTo ErrProcess
'检查输入的数据，保证输入数据有效
If Trim(txtCode.Text) = "" Or _
Trim(txtLast.Text) = "" Or _
Trim(txtName.Text) = "" Or _
Trim(txtToday.Text) = "" Or _
Trim(txtVolPrice.Text) = "" Or _
Trim(txtDate.Text) = "" Or _
Val(txtDate.Text) < #1/1/100# Or _
Val(txtDate.Text) > #12/31/9999# Or _
Not IsNumeric(txtToday.Text) Or _
Not IsNumeric(txtLast.Text) Or _
Not IsNumeric(txtVolPrice.Text) Or _
Not IsNumeric(txtVol.Text) Or _
Not IsNumeric(txtChange.Text) Then
Call MsgBox("数据非法，不能保存!", 0 + 16, "股票分析系统")
Exit Sub
End If
'添加新的股票记录
If IsModify = False Then
g_Conn.BeginTrans
'添加一条股票基本信息
strSQL = " INSERT INTO StockInfo([Code], [Name], [TypeId]) "
strSQL = strSQL & " VALUES("
strSQL = strSQL & "'" & txtCode.Text & "',"
strSQL = strSQL & "'" & txtName.Text & "',"
strSQL = strSQL & Combo1.ListIndex + 1 & ")"
g_Conn.Execute strSQL
'在StockChange中添加一个新的记录
strSQL = " INSERT INTO StockChange([Code], [Last], [Volume], [Today], "
strSQL = strSQL & " Change, [volume Price], [Day]) "
strSQL = strSQL & " VALUES("
strSQL = strSQL & "'" & txtCode.Text & "',"
strSQL = strSQL & txtLast.Text & ","
strSQL = strSQL & txtVol.Text & ","
strSQL = strSQL & txtToday.Text & ","
strSQL = strSQL & txtChange.Text & ","
strSQL = strSQL & txtVolPrice.Text & ","
strSQL = strSQL & "#" & txtDate.Text & "#)"
g_Conn.Execute strSQL
g_Conn.CommitTrans
adoStock.Refresh
If Not adoStock.Recordset.EOF Then
adoStock.Recordset.MoveLast
End If
TotalRecord = adoStock.Recordset.RecordCount
sbr.Panels(1).Text = " 共 ：" & TotalRecord & "条记录。"
Else '修改股票信息
'开始事务
g_Conn.BeginTrans
'更新Stockchange表
strSQL = " UPDATE StockChange "
strSQL = strSQL & " SET [Code] = '" & txtCode.Text & "',"
strSQL = strSQL & " [Last] = " & txtLast.Text & ","
strSQL = strSQL & " [Volume] = " & txtVol.Text & ","
strSQL = strSQL & " [Today] = " & txtToday.Text & ","
strSQL = strSQL & " [Change] = " & txtChange.Text & ","
strSQL = strSQL & " [Volume Price] =" & txtVolPrice.Text
strSQL = strSQL & " WHERE [ID]=" & txtID.Text
g_Conn.Execute strSQL
'同时更新StockInfo表
strSQL = " UPDATE StockInfo "
strSQL = strSQL & " SET Code='" & txtCode.Text & "',"
strSQL = strSQL & " [Name] ='" & txtName.Text & "',"
strSQL = strSQL & " TypeId=" & Combo1.ListIndex + 1
strSQL = strSQL & " WHERE Code ='" & txtCode.Text & "'"
g_Conn.Execute strSQL
'接受事务
g_Conn.CommitTrans
'刷新显示
adoStock.Refresh
End If
Clear
Exit Sub
ErrProcess:
MsgBox Err.Description
End Sub
Private Sub txt_Change(Index As Integer)
Tlbar.Buttons(5).Enabled = True
End Sub
'将文本框设置为可用状态
Private Sub Edit()
IsModify = True '修改标志为“是”
AllEnabled '所有文本框可用
Tlbar.Buttons(5).Enabled = True '保存按钮可用
Combo1.Enabled = True '用于选择股票类型的组合框可用
comDate.Enabled = True '调用日期控件的按钮可用
txtCode.Locked = True
End Sub
Private Sub Clear()
AllClear
AllDisEnabled
Tlbar.Buttons(3).Enabled = False
Tlbar.Buttons(5).Enabled = False
Combo1.Enabled = False
comDate.Enabled = False
End Sub
Private Sub AllClear()
txtCode.Text = ""
txtLast.Text = ""
txtName.Text = ""
txtVol.Text = ""
txtToday.Text = ""
txtChange.Text = ""
txtVolPrice.Text = ""
End Sub
'将各个text设置为不可用，即不能更改
Private Sub AllDisEnabled()
fraStock.Enabled = False
End Sub
Private Sub AllEnabled()
fraStock.Enabled = True
End Sub
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