📄 form2.frm
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Left = 240
Style = 2 'Dropdown List
TabIndex = 6
Top = 360
Width = 1455
End
End
Begin VB.CheckBox Check3
Caption = "在上次的结果中查询"
Height = 975
Left = 240
TabIndex = 2
Top = 360
Width = 1095
End
Begin VB.CommandButton Command1
Caption = "执行查询"
Height = 735
Left = 2400
TabIndex = 1
Top = 480
Width = 855
End
End
Begin MSAdodcLib.Adodc Adodc2
Height = 375
Left = 240
Top = 8640
Width = 2055
_ExtentX = 3625
_ExtentY = 661
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 = "Adodc2"
BeginProperty Font {0BE35203-8F91-11CE-9DE3-00AA004BB851}
Name = "MS Sans Serif"
Size = 8.25
Charset = 0
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
_Version = 393216
End
Begin MSAdodcLib.Adodc Adodc1
Height = 375
Left = 2280
Top = 8640
Width = 3855
_ExtentX = 6800
_ExtentY = 661
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 = "MS Sans Serif"
Size = 8.25
Charset = 0
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
_Version = 393216
End
Begin VB.Label Label2
Caption = "提示：双击查询结果的行，可以打开修改窗口，修改该行的值。修改完成后请点击右边的刷新按钮"
Height = 375
Left = 240
TabIndex = 40
Top = 4560
Width = 8175
End
End
Attribute VB_Name = "Form2"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim qSTR, vSTR, orderSTR As String
'保存查询条件的sql语句
Private Sub Combo3_Click()
changeOrder
End Sub
Private Sub Command1_Click()
'查询按钮
On Error GoTo eee
'执行错误处理
'嵌套查询
If Check3.Value = False Then
qSTR = " where "
Else
qSTR = qSTR & " and ( "
End If
makeQ (0)
'分别根据选定条件附加sql语句
If Frame3.Enabled Then
makeQ (1)
'事后修补难免拖沓请原谅
If Text1(1).Text = "" Then
qSTR = " "
MsgBox "条件不可以为空！！"
GoTo n2
End If
End If
If Frame4.Enabled Then
makeQ (2)
If Text1(2).Text = "" Then
qSTR = " "
MsgBox "条件不可以为空！！"
GoTo n2
End If
End If
If Frame5.Enabled Then
makeQ (3)
If Text1(3).Text = "" Then
qSTR = " "
MsgBox "条件不可以为空！！"
GoTo n2
End If
End If
If Check3.Value = False Then
Else
qSTR = qSTR & " ) "
End If
' MsgBox qSTR
'刷新显示
refreshQ
'查询后，在结果中查询可用
Check3.Enabled = True
GoTo n2
eee:
MsgBox Err.Description
n2:
End Sub
Private Sub makeQ(Index As Integer)
'针对后第index个条件生成检索sql表达式
If (Index > 0) Then
If Option2(Index - 1) Then
qSTR = qSTR & " OR "
Else
qSTR = qSTR & " AND "
End If
End If
qSTR = qSTR & Combo1(Index).Text
Select Case Combo2(Index).Text
Case "模糊等于":
qSTR = qSTR & " like '%" + Trim(Text1(i).Text) + "%'"
Case "等于"
qSTR = qSTR & " like '" + Trim(Text1(i).Text) + "' "
Case "大于"
qSTR = qSTR & " > " + Trim(Text1(i).Text) + ""
Case "小于"
qSTR = qSTR & " < " + Trim(Text1(i).Text) + ""
End Select
'调试用
' MsgBox qSTR
End Sub
Private Sub Command2_Click()
Frame3.Enabled = False
Frame4.Enabled = False
Frame5.Enabled = False
For i = 0 To 2
Option1(i).Value = False
Option2(i).Value = False
Next i
End Sub
Private Sub Command3_Click()
Form6.Show 1
'检查是否没有选择任何东西
If Trim(itemC(0)) <> "" Then
vSTR = Trim(itemC(0))
End If
'检查是否只是选择了一个东西
If countA > 0 Then
For i = 1 To countA - 1
Label1.Caption = Label1.Caption + itemC(i) + "+"
If Trim(itemC(i)) <> "" Then
vSTR = vSTR & "," & itemC(i)
End If
Next i
End If
refreshQ
End Sub
Private Sub Command4_Click()
vSTR = " * "
End Sub
Private Sub Command5_Click()
refreshQ
End Sub
Private Sub Command6_Click()
' Adodc1.RecordSource = "select id," & vSTR & " from tblXUESHENG " & qSTR & orderSTR
' MsgBox "select " & vSTR & " from tblXUESHENG " & qSTR '
Xstr = "select id," & vSTR & " from tblXUESHENG " & qSTR & orderSTR
Form10.Show 1
End Sub
Private Sub DataGrid1_DblClick()
On Error GoTo AddErr
DataGrid1.Col = 0
selectID = DataGrid1.Text
' MsgBox selectID
'显示修改窗体
Form3.Show 1
'刷新显示
refreshQ
GoTo aaaa
AddErr:
MsgBox Err.Description
aaaa:
End Sub
Private Sub DataGrid1_KeyDown(KeyCode As Integer, Shift As Integer)
MsgBox "如果您希望删除或修改条目的内容,请在条目上双击鼠标左键,在弹出的对话框中修改,直接的修改无效"
refreshQ
'DataGrid1.SetFocus
End Sub
Private Sub refreshQ()
Adodc1.RecordSource = "select id," & vSTR & " from tblXUESHENG " & qSTR & orderSTR
MsgBox "检索表达式为:select " & vSTR & " from tblXUESHENG " & qSTR '
Adodc1.Refresh
End Sub
Private Sub Form_Load()
Me.Left = (Screen.Width - Me.Width) / 2 '使窗体居中
Me.Top = (Screen.Height - Me.Height) / 2
innit
Adodc1.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & App.Path & "\招聘信息.mdb;Persist Security Info=False"
qSTR = ""
' refreshQ
'如果在load中刷新控件会造成首行首列丢失的错误 同时在这时也无法设置控件的焦点
' Dim connStr, AccessLocation As String
' AccessLocation = App.Path & "\abc.xls"
' connStr = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & AccessLocation & ";Extended Properties='Excel 8.0'" ';HDR=Yes';"
' Adodc2.ConnectionString = connStr
'Adodc2.CommandType = adCmdText
' Adodc2.RecordSource = "select * from [abc]"
' Adodc2.Refresh
' 以这种方式试图直接连接cls表没有成功， !!! 不过97 2000 应该没问题 8.0 实验 9.0 10.0都没有安装！
End Sub
Private Sub innit()
'首次，在结果中查询不可用
Check3.Enabled = False
'初始化查询条件的下拉列表
Dim Name As Variant
Name = Array("姓名", "ID", "性别", "民族", "出生年月", "毕业院校", "最后学历", "专业", "工作经历", "备注")
'
vSTR = "*"
orderSTR = " order by ID asc"
Dim symbo As Variant
symbo = Array("模糊等于", "等于", "大于", "小于")
Adodc3.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & App.Path & "\招聘信息.mdb;Persist Security Info=False"
Adodc3.RecordSource = "select count(*) from tblCol "
Adodc3.Refresh
Dim cooon As Integer
cooon = Adodc3.Recordset.Fields(0)
Adodc3.RecordSource = "select 名称 from tblCol "
Adodc3.Refresh
For i = 0 To 3
For j1 = 0 To cooon - 1
If (Adodc3.Recordset.Fields(0) <> "") Then
Combo1(i).AddItem Trim(Adodc3.Recordset.Fields(0))
If i = 0 Then
Combo3.AddItem Trim(Adodc3.Recordset.Fields(0))
End If
End If
Adodc3.Recordset.MoveNext
Next j1
For j2 = 0 To 3
Combo2(i).AddItem Trim(symbo(j2))
Next j2
'Combo3.AddItem
Adodc3.Recordset.MoveFirst
Next i
For j1 = 0 To cooon - 1
If Adodc3.Recordset.Fields(0) <> Null Then Combo3.AddItem Trim(Adodc3.Recordset.Fields(0))
Adodc3.Recordset.MoveNext
Next j1
End Sub
Private Sub Option1_Click(Index As Integer)
'控制查询条件
Select Case Index
Case 0:
Frame3.Enabled = True
Case 1:
Frame4.Enabled = True
Case 2:
Frame5.Enabled = True
End Select
End Sub
Private Sub Option2_Click(Index As Integer)
'控制查询条件
Select Case Index
Case 0:
Frame3.Enabled = True
Case 1:
Frame4.Enabled = True
Case 2:
Frame5.Enabled = True
End Select
End Sub
Private Sub Option3_Click()
changeOrder
End Sub
Private Sub Option4_Click()
changeOrder
End Sub
Private Sub Combo3_Change()
changeOrder
End Sub
Private Sub changeOrder()
If Option3.Value Then
orderSTR = "order by " & Trim(Combo3.Text) & " asc"
End If
If Option4.Value Then
orderSTR = "order by " & Trim(Combo3.Text) & " desc"
End If
End Sub
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