qubook.frm

简单的图书管理系统

      EndProperty
      ColumnCount     =   8
      BeginProperty Column00 
         DataField       =   "图书编号"
         Caption         =   "图书编号"
         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       =   "分类号"
         Caption         =   "分类号"
         BeginProperty DataFormat {6D835690-900B-11D0-9484-00A0C91110ED} 
            Type            =   0
            Format          =   ""
            HaveTrueFalseNull=   0
            FirstDayOfWeek  =   0
            FirstWeekOfYear =   0
            LCID            =   2052
            SubFormatType   =   0
         EndProperty
      EndProperty
      BeginProperty Column02 
         DataField       =   "书名"
         Caption         =   "书名"
         BeginProperty DataFormat {6D835690-900B-11D0-9484-00A0C91110ED} 
            Type            =   0
            Format          =   ""
            HaveTrueFalseNull=   0
            FirstDayOfWeek  =   0
            FirstWeekOfYear =   0
            LCID            =   2052
            SubFormatType   =   0
         EndProperty
      EndProperty
      BeginProperty Column03 
         DataField       =   "作者"
         Caption         =   "作者"
         BeginProperty DataFormat {6D835690-900B-11D0-9484-00A0C91110ED} 
            Type            =   0
            Format          =   ""
            HaveTrueFalseNull=   0
            FirstDayOfWeek  =   0
            FirstWeekOfYear =   0
            LCID            =   2052
            SubFormatType   =   0
         EndProperty
      EndProperty
      BeginProperty Column04 
         DataField       =   "出版社"
         Caption         =   "出版社"
         BeginProperty DataFormat {6D835690-900B-11D0-9484-00A0C91110ED} 
            Type            =   0
            Format          =   ""
            HaveTrueFalseNull=   0
            FirstDayOfWeek  =   0
            FirstWeekOfYear =   0
            LCID            =   2052
            SubFormatType   =   0
         EndProperty
      EndProperty
      BeginProperty Column05 
         DataField       =   "定价"
         Caption         =   "定价"
         BeginProperty DataFormat {6D835690-900B-11D0-9484-00A0C91110ED} 
            Type            =   0
            Format          =   ""
            HaveTrueFalseNull=   0
            FirstDayOfWeek  =   0
            FirstWeekOfYear =   0
            LCID            =   2052
            SubFormatType   =   0
         EndProperty
      EndProperty
      BeginProperty Column06 
         DataField       =   "入库日期"
         Caption         =   "入库日期"
         BeginProperty DataFormat {6D835690-900B-11D0-9484-00A0C91110ED} 
            Type            =   0
            Format          =   ""
            HaveTrueFalseNull=   0
            FirstDayOfWeek  =   0
            FirstWeekOfYear =   0
            LCID            =   2052
            SubFormatType   =   0
         EndProperty
      EndProperty
      BeginProperty Column07 
         DataField       =   "借否"
         Caption         =   "借否"
         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 
            ColumnWidth     =   1635.024
         EndProperty
         BeginProperty Column01 
            ColumnWidth     =   1635.024
         EndProperty
         BeginProperty Column02 
            ColumnWidth     =   2085.166
         EndProperty
         BeginProperty Column03 
            ColumnWidth     =   1904.882
         EndProperty
         BeginProperty Column04 
            ColumnWidth     =   2085.166
         EndProperty
         BeginProperty Column05 
            ColumnWidth     =   734.74
         EndProperty
         BeginProperty Column06 
            ColumnWidth     =   2085.166
         EndProperty
         BeginProperty Column07 
            ColumnWidth     =   645.165
         EndProperty
      EndProperty
   End
End
Attribute VB_Name = "qubook"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Command1_Click()
    Dim sqltxt As String
    If Adodc1.Recordset.Fields("借否") = "借" Then
        no = Trim(Adodc1.Recordset.Fields("图书编号"))
        sqltxt = "select * from borrow where 图书编号='" + no + "'"
        Set rs = exesql(sqltxt)
        If rs.RecordCount = 0 Then
            MsgBox "该图书无借书记录", vbOKOnly, "信息提示"
        Else
            MsgBox "图书编号:" + no + Chr(10) + Chr(13) + _
            "书 名:" + Trim(rs.Fields("书名")) + Chr(10) + Chr(13) + _
            "读 者:" + Trim(rs.Fields("姓名")) + Chr(10) + Chr(13) + _
            "单位:" + Trim(rs.Fields("单位")) + Chr(10) + Chr(13) + _
            "借书日期:" + Format(rs.Fields("借书日期"), "yyyy-mm-dd"), vbOKOnly, "查找结果"
        End If
        rs.Close
    Else
        MsgBox "该图书在库可借,无法显示读者", vbOKOnly, "信息提示"
    End If
    
End Sub

Private Sub Command2_Click()
Unload Me

End Sub

Private Sub Command3_Click()
    Dim str As String
    str = ""
    If Trim(Text1.Text) <> "" Then
        If str = "" Then
            str = "图书编号='" + Trim(Text1.Text) + "'"
        Else
            str = str + "and 图书编号='" + Trim(Text1.Text) + "'"
        End If
    End If
    
    If Trim(Text2.Text) <> "" Then
        If str = "" Then
            str = "书名='" + Trim(Text2.Text) + "'"
        Else
            str = str + "and 书名='" + Trim(Text2.Text) + "'"
        End If
    End If
    
    If Trim(Text3.Text) <> "" Then
        If str = "" Then
            str = "作者='" + Trim(Text3.Text) + "'"
        Else
            str = str + "and 作者='" + Trim(Text3.Text) + "'"
        End If
    End If
    
    If Trim(Text4.Text) <> "" Then
        If str = "" Then
            str = "出版社='" + Trim(Text4.Text) + "'"
        Else
            str = str + "and 出版社='" + Trim(Text4.Text) + "'"
        End If
    End If
    
    If str <> "" Then
        Adodc1.RecordSource = "select * from book where " + str
        Adodc1.Refresh
    Else
        Adodc1.RecordSource = "select * from book"
        Adodc1.Refresh
    End If
    
    If Adodc1.Recordset.RecordCount = 0 Then
        MsgBox "没有符合条件的记录", vbOKOnly, "信息提示"
    End If
    Call encomm
              
End Sub

Private Sub Command4_Click()
    Text1.Text = ""
    Text2.Text = ""
    Text3.Text = ""
    Text4.Text = ""
End Sub

Private Sub Form_Activate()
    Adodc1.Refresh
    DataGrid2.Refresh
    DataGrid2.SetFocus
    Call encomm
    
End Sub

Private Sub Form_Load()
    Text1.Text = ""
    Text2.Text = ""
    Text3.Text = ""
    Text4.Text = ""
End Sub

Private Sub encomm()
    If Adodc1.Recordset.RecordCount = 0 Then
        Command1.Enabled = False
    Else
        Command1.Enabled = True
    End If
End Sub

Private Sub text_KeyPress(Index As Integer, KeyAscii As Integer)
    Call endata(KeyAscii)
End Sub