📄 form7.frm
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VERSION 5.00
Object = "{831FDD16-0C5C-11D2-A9FC-0000F8754DA1}#2.0#0"; "MSCOMCTL.OCX"
Object = "{CDE57A40-8B86-11D0-B3C6-00A0C90AEA82}#1.0#0"; "MSDATGRD.OCX"
Begin VB.Form Form7
Appearance = 0 'Flat
BackColor = &H80000005&
BorderStyle = 0 'None
Caption = "信息浏览"
ClientHeight = 5775
ClientLeft = 3480
ClientTop = 2595
ClientWidth = 8760
LinkTopic = "Form7"
ScaleHeight = 385
ScaleMode = 3 'Pixel
ScaleWidth = 584
ShowInTaskbar = 0 'False
Begin Project1.xp_canvas xp_canvas1
Height = 5775
Left = 0
TabIndex = 0
Top = 0
Width = 8775
_ExtentX = 15478
_ExtentY = 10186
Caption = "信息浏览"
Icon = "Form7.frx":0000
Begin Project1.xpcmdbutton Command3
Height = 495
Left = 6720
TabIndex = 10
Top = 4920
Width = 1335
_ExtentX = 2355
_ExtentY = 873
Caption = "退 出"
BeginProperty Font {0BE35203-8F91-11CE-9DE3-00AA004BB851}
Name = "新宋体"
Size = 9
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
End
Begin Project1.xpcmdbutton Command2
Height = 495
Left = 4800
TabIndex = 9
Top = 4920
Width = 1335
_ExtentX = 2355
_ExtentY = 873
Caption = "下一条"
BeginProperty Font {0BE35203-8F91-11CE-9DE3-00AA004BB851}
Name = "新宋体"
Size = 9
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
End
Begin Project1.xpcmdbutton Command1
Height = 495
Left = 2760
TabIndex = 8
Top = 4920
Width = 1335
_ExtentX = 2355
_ExtentY = 873
Caption = "上一条"
BeginProperty Font {0BE35203-8F91-11CE-9DE3-00AA004BB851}
Name = "新宋体"
Size = 9
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
End
Begin Project1.xpcmdbutton Command4
Height = 495
Left = 720
TabIndex = 7
Top = 4920
Width = 1335
_ExtentX = 2355
_ExtentY = 873
Caption = "查 询"
BeginProperty Font {0BE35203-8F91-11CE-9DE3-00AA004BB851}
Name = "新宋体"
Size = 9
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
End
Begin VB.PictureBox seach_form
Height = 1335
Left = 360
ScaleHeight = 1275
ScaleWidth = 3075
TabIndex = 3
Top = 3240
Width = 3135
Begin VB.TextBox Text1
Height = 495
Left = 240
TabIndex = 6
Text = "Text1"
Top = 600
Width = 2655
End
Begin VB.OptionButton Option2
Caption = "Option2"
Height = 255
Left = 1560
TabIndex = 5
Top = 240
Width = 1335
End
Begin VB.OptionButton Option1
Caption = "Option1"
Height = 255
Left = 240
TabIndex = 4
Top = 240
Width = 1095
End
End
Begin MSDataGridLib.DataGrid DataGrid1
Height = 3735
Left = 240
TabIndex = 2
Top = 960
Width = 8295
_ExtentX = 14631
_ExtentY = 6588
_Version = 393216
HeadLines = 1
RowHeight = 14
BeginProperty HeadFont {0BE35203-8F91-11CE-9DE3-00AA004BB851}
Name = "新宋体"
Size = 9
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
BeginProperty Font {0BE35203-8F91-11CE-9DE3-00AA004BB851}
Name = "新宋体"
Size = 9
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
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
BeginProperty Column00
EndProperty
BeginProperty Column01
EndProperty
EndProperty
End
Begin MSComctlLib.TabStrip TabStrip1
Height = 375
Left = 240
TabIndex = 1
Top = 600
Width = 4215
_ExtentX = 7435
_ExtentY = 661
MultiRow = -1 'True
_Version = 393216
BeginProperty Tabs {1EFB6598-857C-11D1-B16A-00C0F0283628}
NumTabs = 3
BeginProperty Tab1 {1EFB659A-857C-11D1-B16A-00C0F0283628}
Caption = "图书信息浏览"
Key = "bookview"
ImageVarType = 2
EndProperty
BeginProperty Tab2 {1EFB659A-857C-11D1-B16A-00C0F0283628}
Caption = "员工信息浏览"
Key = "workerview"
ImageVarType = 2
EndProperty
BeginProperty Tab3 {1EFB659A-857C-11D1-B16A-00C0F0283628}
Caption = "图书借阅情况浏览"
Key = "recordview"
ImageVarType = 2
EndProperty
EndProperty
BeginProperty Font {0BE35203-8F91-11CE-9DE3-00AA004BB851}
Name = "新宋体"
Size = 9
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
End
Begin Project1.xptopbuttons xptopbuttons2
Height = 315
Left = 8040
Top = 120
Width = 315
_ExtentX = 556
_ExtentY = 556
Value = 2
End
Begin Project1.xptopbuttons xptopbuttons1
Height = 315
Left = 8400
Top = 120
Width = 315
_ExtentX = 556
_ExtentY = 556
End
End
End
Attribute VB_Name = "Form7"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit
'定义查询字段的窗体级变量
'定义查询的字段窗体变量
Dim sfield As String '查询的关键词
Dim seachtext As String
'查询函数定义
'1、桉书号查询则采用具体查询办法
'2、按书名查询则采用模糊查询办法
Function open_seach(table_name As String, sfield As String, seachtext As String) As Integer
Dim sqlstr As String
Dim str As String
'建立数据库连接
Set con = New ADODB.Connection
Set rst = New ADODB.Recordset
con.CursorLocation = adUseClient
sqlstr = "Provider=Microsoft.Jet.OLEDB.4.0;" + "Data Source=" + App.Path + "\book_manage_db.mdb" + ";Persist Security Info=False"
con.Open sqlstr
' 查询办法选择
If Option1.Value = True Then
str = "select * from " & table_name & " where " & sfield & "='" & seachtext & "'"
Else
str = "select * from " & table_name & " where " & sfield & " like '" & Trim(" %" & Text1.Text & "%") & "'"
End If
rst.Open str, con, adOpenDynamic, adLockOptimistic
rst.Requery
If rst.RecordCount > 0 Then
open_seach = 1 '返回一个值1,代表有查询结果
Else
open_seach = 0 '返回一个值0,代表没有查询结果
End If
End Function
Private Sub Command1_Click() '前一记录
If rst.BOF = True Then
frmMsg.Show
frmMsg.info.Visible = True
frmMsg.Text1.Text = "已经到达第一条记录了！"
Exit Sub
Else
rst.MovePrevious
End If
End Sub
Private Sub Command2_Click() '后一记录
If rst.EOF = True Then
frmMsg.Show
frmMsg.info.Visible = True
frmMsg.Text1.Text = "已经到达最后一条记录了！"
Exit Sub
Else
rst.MoveNext
End If
End Sub
Private Sub Command3_Click()
Unload Me
End Sub
Private Sub Command4_Click() '进行查询
Dim ret As Integer
If Command4.Caption = "查 询" Then
Command4.Caption = "确 定"
seach_form.Visible = True
Else
If Option1.Value = False And Option2.Value = False Then
frmMsg.Show
frmMsg.notice.Visible = True
frmMsg.Text1.Text = "请选择查询项!"
Exit Sub
End If
If Text1.Text = "" Then
frmMsg.Show
frmMsg.notice.Visible = True
frmMsg.Text1.Text = "请输入查询内容！"
Text1.SetFocus
Exit Sub
End If
seachtext = Trim(Text1.Text)
ret = open_seach(tablename, sfield, seachtext)
If ret = 0 Then
frmMsg.Show
frmMsg.error.Visible = True
frmMsg.Text1.Text = "对不起，没有你要的记录!"
Option1.Value = False
Option2.Value = False
Text1.Text = ""
seach_form.Visible = False
rst.Close
Set rst = Nothing
Set DataGrid1.DataSource = rst
Command1.Enabled = False '上一条,下一条按钮为灰
Command2.Enabled = False
Command4.Caption = "查 询"
Exit Sub
End If
Command1.Enabled = True
Command2.Enabled = True
Set DataGrid1.DataSource = rst
Text1.Text = ""
Option1.Value = False
Option2.Value = False
seach_form.Visible = False
Command4.Caption = "查 询"
End If
End Sub
Private Sub Form_Load()
seach_form.Visible = False
Option1.Caption = "书号"
Option2.Caption = "书名"
tablename = "book"
Call connect_db
open_connection ("book")
Set DataGrid1.DataSource = rst
TabStrip1.Tabs.Item(1) = "图书信息浏览"
TabStrip1.Tabs.Item(2) = "员工信息浏览"
TabStrip1.Tabs.Item(3) = "图书借阅情况浏览"
Text1.Text = ""
open_connection ("book")
Set DataGrid1.DataSource = rst
End Sub
Private Sub Option1_Click()
Select Case TabStrip1.SelectedItem
Case "图书信息浏览":
sfield = "[图书编码]"
Case "员工信息浏览":
sfield = "[工号]"
Case "图书借阅情况浏览":
sfield = "[图书编码]"
End Select
End Sub
Private Sub Option2_Click()
'选择查询的字段
Select Case TabStrip1.SelectedItem
Case "图书信息浏览":
sfield = "[图书名称]"
Case "员工信息浏览":
sfield = "[姓名]"
Case "图书借阅情况浏览":
sfield = "[工号]"
End Select
End Sub
Private Sub TabStrip1_Click()
Call connect_db
Select Case TabStrip1.SelectedItem
Case "图书信息浏览":
open_connection ("book") '连接book表
tablename = "book"
Option1.Caption = "书号"
Option2.Caption = "书名"
Set DataGrid1.DataSource = rst
Case "员工信息浏览":
If privilege = 1 Then '如果只是普通用户,无法查询员工信息
frmMsg.Show
frmMsg.error.Visible = True
frmMsg.Text1.Text = "对不起，您没有查阅的权限！"
Exit Sub
End If
open_connection ("worker") '连接worker表
Option1.Caption = "工号"
Option2.Caption = "姓名"
tablename = "worker"
Set DataGrid1.DataSource = rst
Case "图书借阅情况浏览":
open_connection ("record") '连接record表
Option1.Caption = "书号"
Option2.Caption = "工号"
tablename = "record"
Set DataGrid1.DataSource = rst
End Select
End Sub
Private Sub xptopbuttons1_Click()
Unload Me
End Sub
Private Sub xptopbuttons2_Click()
Me.WindowState = 1
End Sub
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