📄 frmquerypark.frm
字号:
VERSION 5.00
Begin VB.Form frmQueryPark
BorderStyle = 1 'Fixed Single
Caption = "停车场查询"
ClientHeight = 4560
ClientLeft = 45
ClientTop = 330
ClientWidth = 8595
LinkTopic = "Form1"
MaxButton = 0 'False
MDIChild = -1 'True
MinButton = 0 'False
ScaleHeight = 4560
ScaleWidth = 8595
Begin VB.CommandButton cmdClose
Caption = "关 闭"
Height = 495
Left = 4680
TabIndex = 26
Top = 3840
Width = 1335
End
Begin VB.CommandButton cmdQuery
Caption = "查 询"
Height = 495
Left = 2400
TabIndex = 25
Top = 3840
Width = 1335
End
Begin VB.Frame Frame1
Caption = "请输入查询条件"
Height = 3375
Left = 360
TabIndex = 0
Top = 240
Width = 7815
Begin VB.ComboBox Combo8
Height = 300
ItemData = "frmQueryPark.frx":0000
Left = 2160
List = "frmQueryPark.frx":000D
TabIndex = 10
Text = "Combo7"
Top = 2640
Width = 855
End
Begin VB.ComboBox Combo5
Height = 300
ItemData = "frmQueryPark.frx":001A
Left = 2160
List = "frmQueryPark.frx":0027
TabIndex = 6
Text = "Combo7"
Top = 1680
Width = 855
End
Begin VB.ComboBox Combo2
Height = 300
ItemData = "frmQueryPark.frx":0034
Left = 2160
List = "frmQueryPark.frx":0041
TabIndex = 2
Text = "Combo7"
Top = 720
Width = 855
End
Begin VB.ComboBox Combo9
Height = 300
ItemData = "frmQueryPark.frx":004E
Left = 6480
List = "frmQueryPark.frx":005B
TabIndex = 12
Tag = "0"
Text = "Combo2"
Top = 2640
Width = 735
End
Begin VB.TextBox Text3
Height = 375
Left = 3360
TabIndex = 11
Top = 2640
Width = 2775
End
Begin VB.ComboBox Combo7
Height = 300
ItemData = "frmQueryPark.frx":006D
Left = 600
List = "frmQueryPark.frx":0083
TabIndex = 9
Text = "Combo1"
Top = 2640
Width = 1095
End
Begin VB.ComboBox Combo6
Height = 300
ItemData = "frmQueryPark.frx":00C3
Left = 6480
List = "frmQueryPark.frx":00D0
TabIndex = 8
Tag = "0"
Text = "Combo2"
Top = 1680
Width = 735
End
Begin VB.TextBox Text2
Height = 375
Left = 3360
TabIndex = 7
Top = 1680
Width = 2775
End
Begin VB.ComboBox Combo4
Height = 300
ItemData = "frmQueryPark.frx":00E2
Left = 600
List = "frmQueryPark.frx":00F8
TabIndex = 5
Text = "Combo1"
Top = 1680
Width = 1095
End
Begin VB.ComboBox Combo3
Height = 300
ItemData = "frmQueryPark.frx":0138
Left = 6480
List = "frmQueryPark.frx":0145
TabIndex = 4
Tag = "0"
Text = "Combo2"
Top = 720
Width = 735
End
Begin VB.TextBox Text1
Height = 375
Left = 3360
TabIndex = 3
Top = 720
Width = 2775
End
Begin VB.ComboBox Combo1
Height = 300
ItemData = "frmQueryPark.frx":0157
Left = 600
List = "frmQueryPark.frx":016D
TabIndex = 1
Text = "Combo1"
Top = 720
Width = 1095
End
Begin VB.Label Label12
Caption = "查找关系"
Height = 255
Left = 2160
TabIndex = 24
Top = 2280
Width = 855
End
Begin VB.Label Label11
Caption = "查找关系"
Height = 255
Left = 2160
TabIndex = 23
Top = 1320
Width = 855
End
Begin VB.Label Label10
Caption = "查找关系"
Height = 255
Left = 2160
TabIndex = 22
Top = 360
Width = 855
End
Begin VB.Label Label9
Caption = "逻辑关系"
Height = 255
Left = 6480
TabIndex = 21
Top = 2280
Width = 735
End
Begin VB.Label Label8
Caption = "查找值"
Height = 255
Left = 4560
TabIndex = 20
Top = 2280
Width = 615
End
Begin VB.Label Label7
Caption = "查找字段"
Height = 255
Left = 720
TabIndex = 19
Top = 2280
Width = 855
End
Begin VB.Label Label6
Caption = "逻辑关系"
Height = 255
Left = 6480
TabIndex = 18
Top = 1320
Width = 735
End
Begin VB.Label Label5
Caption = "查找值"
Height = 255
Left = 4560
TabIndex = 17
Top = 1320
Width = 615
End
Begin VB.Label Label4
Caption = "查找字段"
Height = 255
Left = 720
TabIndex = 16
Top = 1320
Width = 855
End
Begin VB.Label Label3
Caption = "逻辑关系"
Height = 255
Left = 6480
TabIndex = 15
Top = 360
Width = 735
End
Begin VB.Label Label2
Caption = "查找值"
Height = 255
Left = 4560
TabIndex = 14
Top = 360
Width = 615
End
Begin VB.Label Label1
Caption = "查找字段"
Height = 255
Left = 720
TabIndex = 13
Top = 360
Width = 855
End
End
End
Attribute VB_Name = "frmQueryPark"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub cmdClose_Click()
Unload Me
End Sub
Private Sub cmdQuery_Click()
'要求至少要有一个查询条件，而且查询条件要靠前写，即如果只有一个查询条件
'必须输在第一行，有2个查询条件，只能输在1，2两行上
If Text1.Text = "" Then
MsgBox "请输入至少一个查询条件，或把查询条件输入在前面的行上！", vbOKOnly + vbInformation, "注意"
Text1.SetFocus
Text2.Text = ""
Text3.Text = ""
Exit Sub
End If
If Text2.Text = "" And Not Text3.Text = "" Then
MsgBox "请把查询条件输入在前面的行上！", vbOKOnly + vbInformation, "注意"
Text2.SetFocus
Text3.Text = ""
Exit Sub
End If
'除使日期以外的查询字段其查询关系不能为> 或 <，判断之
If Not Text1.Text = "" And Not Combo1.ListIndex = 4 And Not Combo1.ListIndex = 5 And Not Combo2.ListIndex = 0 Then
MsgBox "该字段的查找关系不能为 > 或 < ！", vbOKOnly + vbInformation, "注意"
Combo2.SetFocus
Exit Sub
End If
If Not Text2.Text = "" And Not Combo4.ListIndex = 4 And Not Combo4.ListIndex = 5 And Not Combo5.ListIndex = 0 Then
MsgBox "该字段的查找关系不能为 > 或 < ！", vbOKOnly + vbInformation, "注意"
Combo5.SetFocus
Exit Sub
End If
If Not Text3.Text = "" And Not Combo7.ListIndex = 4 And Not Combo7.ListIndex = 5 And Not Combo8.ListIndex = 0 Then
MsgBox "该字段的查找关系不能为 > 或 < ！", vbOKOnly + vbInformation, "注意"
Combo8.SetFocus
Exit Sub
End If
'设置查询判断变量为真
queryPark = True
'使用全局变量sqlpark保存该查询表达式的sql 语句
'如果查询字段是购买日期，则需要转换text1.text的内容
If Combo1.ListIndex = 4 Or Combo1.ListIndex = 5 Then
If IsDate(Text1.Text) = False Then
MsgBox "输入的不是日期型内容，请输入这样的日期格式：2003-8-3！", vbOKOnly + vbInformation, "注意"
Exit Sub
End If
'DateValue 函数把字符串转换为数字
sqlPark = "where " & Combo1.Text & Combo2.Text & "#" & DateValue(Text1.Text) & "#"
Else
sqlPark = "where " & Combo1.Text & Combo2.Text & "'" & Text1.Text & "'"
End If
If Not Text2.Text = "" Then
If Combo4.ListIndex = 4 Or Combo4.ListIndex = 5 Then
If IsDate(Text2.Text) = False Then
MsgBox "输入的不是日期型内容，请输入这样的日期格式：2003-8-3！", vbOKOnly + vbInformation, "注意"
Exit Sub
End If
'combo3.text是and or not 等逻辑字符，其前后需要各加上一个空格
sqlPark = sqlPark & " " & Combo3.Text & " " & Combo4.Text & Combo5.Text & "#" & DateValue(Text2.Text) & "#"
Else
sqlPark = sqlPark & " " & Combo3.Text & " " & Combo4.Text & Combo5.Text & "'" & Text2.Text & "'"
End If
End If
If Not Text3.Text = "" Then
If Combo7.ListIndex = 4 Or Combo7.ListIndex = 5 Then
If IsDate(Text3.Text) = False Then
MsgBox "输入的不是日期型内容，请输入这样的日期格式：2003-8-3！", vbOKOnly + vbInformation, "注意"
Exit Sub
End If
sqlPark = sqlPark & " " & Combo6.Text & " " & Combo7.Text & Combo8.Text & "#" & DateValue(Text3.Text) & "#"
Else
sqlPark = sqlPark & " " & Combo6.Text & " " & Combo7.Text & Combo8.Text & "'" & Text3.Text & "'"
End If
End If
frmPark.Show
Unload Me
End Sub
Private Sub Form_Load()
'让窗体居中
Dim X0 As Long
Dim Y0 As Long
X0 = Screen.Width
Y0 = Screen.Height
X0 = (X0 - Me.Width) / 2
Y0 = (Y0 - Me.Height) / 2
Me.Move X0, Y0
Combo1.ListIndex = 0
Combo2.ListIndex = 0
Combo3.ListIndex = 0
Combo4.ListIndex = 0
Combo5.ListIndex = 0
Combo6.ListIndex = 0
Combo7.ListIndex = 0
Combo8.ListIndex = 0
Combo9.ListIndex = 0
Text1.Text = ""
Text2.Text = ""
Text3.Text = ""
End Sub
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