📄 jieshu.frm
字号:
VERSION 5.00
Begin VB.Form jieshu
Caption = "借书操作"
ClientHeight = 3885
ClientLeft = 60
ClientTop = 390
ClientWidth = 5535
LinkTopic = "Form1"
ScaleHeight = 3885
ScaleWidth = 5535
StartUpPosition = 3 '窗口缺省
Begin VB.CommandButton Command4
Caption = "取消"
BeginProperty Font
Name = "宋体"
Size = 12
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 495
Left = 3840
TabIndex = 11
Top = 2760
Width = 1215
End
Begin VB.CommandButton Command3
Caption = "借书"
BeginProperty Font
Name = "宋体"
Size = 12
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 495
Left = 600
TabIndex = 10
Top = 2760
Width = 1215
End
Begin VB.CommandButton Command2
Caption = "确定"
BeginProperty Font
Name = "宋体"
Size = 12
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 375
Left = 4440
TabIndex = 9
Top = 840
Width = 735
End
Begin VB.TextBox Text4
Height = 375
Left = 1800
TabIndex = 8
Top = 2040
Width = 2055
End
Begin VB.TextBox Text3
Height = 375
Left = 1800
TabIndex = 4
Top = 1440
Width = 2055
End
Begin VB.TextBox Text2
Height = 375
Left = 1800
TabIndex = 3
Top = 840
Width = 2055
End
Begin VB.CommandButton Command1
Caption = "确定"
BeginProperty Font
Name = "宋体"
Size = 12
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 375
Left = 4440
TabIndex = 2
Top = 240
Width = 735
End
Begin VB.TextBox Text1
Height = 375
Left = 1800
TabIndex = 1
Top = 240
Width = 2055
End
Begin VB.Label Label4
AutoSize = -1 'True
Caption = "借书日期："
BeginProperty Font
Name = "宋体"
Size = 12
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 240
Left = 480
TabIndex = 7
Top = 2040
Width = 1200
End
Begin VB.Label Label3
AutoSize = -1 'True
Caption = "书名："
BeginProperty Font
Name = "宋体"
Size = 12
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 240
Left = 960
TabIndex = 6
Top = 1440
Width = 720
End
Begin VB.Label Label2
AutoSize = -1 'True
Caption = "请输入书号:"
BeginProperty Font
Name = "宋体"
Size = 12
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 240
Left = 240
TabIndex = 5
Top = 840
Width = 1320
End
Begin VB.Label Label1
AutoSize = -1 'True
Caption = "请输入学号:"
BeginProperty Font
Name = "宋体"
Size = 12
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 240
Left = 240
TabIndex = 0
Top = 240
Width = 1320
End
End
Attribute VB_Name = "jieshu"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim cn As New ADODB.Connection
Dim rs As New ADODB.Recordset
Private Sub Command1_Click()
If Text1.Text = "" Then
MsgBox "学号不能为空！", vbCritical, "错误"
Text1.Text = ""
Text1.SetFocus
Exit Sub
End If
If IsNumeric(Text1.Text) Then
Else
MsgBox "学号必须为数字！请注意！！", vbCritical, "错误"
Text1.Text = ""
Text1.SetFocus
Exit Sub
End If
Text1.Enabled = False
str2 = "select * from stu where sno = '" & Text1.Text & "'"
'查询DataEnv.rsstu的状态，如果已经打开，则先关闭
If rs.State = adStateOpen Then rs.Close
rs.Open str2, cn, 1, 3
If rs.EOF Then
MsgBox "无该学号或输入数据有误。请查正。", vbCritical, "错误！"
If Text1.Enabled = False Then
Text1.Enabled = True
End If
Text1.Text = ""
Text1.SetFocus
Exit Sub
Else
str4 = "select jiasuo from stu where sno = '" & Text1.Text & "'"
'查询rs的状态，如果已经打开，则先关闭
If rs.State = adStateOpen Then rs.Close
rs.Open str4, cn, 1, 3
If rs!jiasuo = "是" Then
MsgBox "您的帐户已经被锁定，请与管理员联系！"
Text1.Enabled = True
Text1.Text = ""
Text1.SetFocus
Exit Sub
Else
str3 = "select bno from jieshubiao where sno = '" & Text1.Text & "'"
'查询rs的状态，如果已经打开，则先关闭
If rs.State = adStateOpen Then rs.Close
rs.Open str3, cn, 1, 3
If rs.RecordCount > 3 Then
MsgBox "您所借的书已经超过了我们所规定数量！您不能借书了", vbCritical, "错误！"
Text1.Enabled = True
Text1.Text = ""
Text1.SetFocus
Exit Sub
Else
Text2.Enabled = True
Command2.Enabled = True
End If
End If
End If
End Sub
Private Sub Command2_Click()
If Text2.Text = "" Then
MsgBox "书号不能为空！", vbCritical, "错误"
Text2.Text = ""
Text2.SetFocus
Exit Sub
End If
If IsNumeric(Text2.Text) Then
Else
MsgBox "书号必须为数字！请注意！！", vbCritical, "错误"
Text2.Text = ""
Text2.SetFocus
Exit Sub
End If
Text2.Enabled = False
str2 = "select * from book where bno = '" & Text2.Text & "'"
'查询rs的状态，如果已经打开，则先关闭
If rs.State = adStateOpen Then rs.Close
rs.Open str2, cn, 1, 3
If rs.EOF Then
MsgBox "无该书号或输入数据有误。请查正。", vbCritical, "错误！"
If Text2.Enabled = False Then
Text2.Enabled = True
End If
Text2.Text = ""
Text2.SetFocus
Exit Sub
Else
'判断所借的是是否已经被别人借走！
If rs!borl = "是" Then
MsgBox "此书已经被借走！请等下次吧", vbCritical, "错误！"
Text2.Text = ""
Text2.Enabled = True
Text2.SetFocus
Exit Sub
Else
Text3.Text = rs!bname
rs!borl = "是"
rs.Update
Command3.Enabled = True
tushuxinxi.DataGrid12.Refresh
End If
End If
End Sub
Private Sub Command3_Click()
'If Text1.Text = "" Or Text2.Text = "" Or Text3.Text = "" Then
'MsgBox "用户名和密码不能为空！", vbCritical, "错误"
'Text1.SetFocus
'Exit Sub
'Else
'Set rs = DataEn.rsstu
'strSQL = "select * from user1"
'On Error Resume Next
'查询DataEnv.rsstu的状态，如果已经打开，则先关闭
'If rs.State = adStateOpen Then rs.Close
'rs.Open strSQL, cn, 1, 3
str2 = "select * from jieshubiao "
'查询rs的状态，如果已经打开，则先关闭
If rs.State = adStateOpen Then rs.Close
rs.Open str2, cn, 1, 3
rs.AddNew
rs!sno = Text1.Text
rs!bno = Text2.Text
rs!bname = Text3.Text
rs!bdate = Text4.Text
rs!ldate = Format(Date, "yyyy 年mm+2月dd日")
rs.Update
MsgBox "您所选的书已经借入你的帐号，请注意保管好书！"
tushuxinxi.DataGrid12.Refresh
Text1.Text = ""
Text2.Text = ""
Text3.Text = ""
Text1.Enabled = True
Text1.SetFocus
Text2.Enabled = False
Text3.Enabled = False
Command2.Enabled = False
Command3.Enabled = False
End Sub
Private Sub Command4_Click()
Unload Me
cn.Close
End Sub
Private Sub Form_Load()
Command2.Enabled = False
Text2.Enabled = False
Text3.Enabled = False
Text4.Text = Format(Date, "yyyy年mm月dd日")
Text4.Enabled = False
Command3.Enabled = False
If cn.State = 1 Then cn.Close
'根据目录所在的位置，改变ADO所使用的的连接字符串
Dim strConn As String
strConn = "Provider=Microsoft.Jet.OLEDB.4.0;Password=;Data Source="
'使用相对路径
strConn = strConn & App.Path & "\database\manager.mdb" & ";Persist Security Info=True"
cn.ConnectionString = strConn
cn.Open
End Sub
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