frmbookstyle.frm

具体的各个功能如下： 1．图书查询。实现对图书馆所有馆藏图书的查询。 2．借阅图书。完成学生对指定图书的借阅。 3．查询个人借阅信息。完成对指定学生个人借阅图书记录的查询

VERSION 5.00
Begin VB.Form frmaddbookstyle 
   Caption         =   "图书类别"
   ClientHeight    =   3615
   ClientLeft      =   60
   ClientTop       =   450
   ClientWidth     =   4710
   LinkTopic       =   "Form2"
   MaxButton       =   0   'False
   ScaleHeight     =   3615
   ScaleWidth      =   4710
   StartUpPosition =   2  '屏幕中心
   Begin VB.CommandButton Command2 
      Caption         =   "取消"
      Height          =   495
      Left            =   2280
      TabIndex        =   5
      Top             =   2280
      Width           =   975
   End
   Begin VB.CommandButton Command1 
      Caption         =   "确定"
      Height          =   495
      Left            =   720
      TabIndex        =   4
      Top             =   2280
      Width           =   975
   End
   Begin VB.TextBox Text2 
      Height          =   375
      Left            =   1440
      TabIndex        =   3
      Top             =   1320
      Width           =   1815
   End
   Begin VB.TextBox Text1 
      Height          =   375
      Left            =   1440
      TabIndex        =   2
      Top             =   600
      Width           =   1815
   End
   Begin VB.Label Label2 
      Caption         =   "图书编号"
      Height          =   495
      Left            =   360
      TabIndex        =   1
      Top             =   1320
      Width           =   1335
   End
   Begin VB.Label Label1 
      Caption         =   "图书类别"
      Height          =   375
      Left            =   360
      TabIndex        =   0
      Top             =   600
      Width           =   1335
   End
End
Attribute VB_Name = "frmaddbookstyle"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit

Private Sub Command1_Click()
Dim rs_bookstyle As New ADODB.Recordset
Dim sql As String
If Trim(Text1.Text) = "" Then
   MsgBox "图书种类不能为空", vbOKOnly + vbExclamation, ""
   Text1.SetFocus
   Exit Sub
End If
If Trim(Text2.Text) = "" Then
   MsgBox "种类编号不能为空", vbOKOnly + vbExclamation, ""
   Text2.SetFocus
   Exit Sub
End If
sql = "select * from 图书类别 where 类别名称='" & Text1.Text & "'"
rs_bookstyle.Open sql, conn, adOpenKeyset, adLockPessimistic
If rs_bookstyle.EOF Then
   rs_bookstyle.AddNew
   rs_bookstyle.Fields(0) = Trim(Text1.Text)
   rs_bookstyle.Fields(1) = Trim(Text2.Text)
   rs_bookstyle.Update
   MsgBox "添加图书类别成功！", vbOKOnly, ""
   rs_bookstyle.Close
Else
   MsgBox "读者类别重复！", vbOKOnly + vbExclamation, ""
   Text1.SetFocus
   Text1.Text = ""
   rs_bookstyle.Close
   Exit Sub
End If

End Sub

Private Sub Command2_Click()
Unload Me
End Sub