图书馆管理系统源代码.doc

源程序清单1、文件名 login(login.frm)功能说明：整个系统的登陆界面，需要输入用户名和登陆密码才能进入到系统中，进行借阅等操作。源代码：Option ExplicitDim cnt As IntegerPrivate Sub Command1_Click()Dim sql As StringDim rs_login As New ADODB.RecordsetIf Trim(Combo1.Text) = Then MsgBox 没有这个用户, vbOKOnly + vbExclamation, Combo1.SetFocusElse sql = select * from 系统管理 where 用户名= & Combo1.Text & rs_login.Open sql, conn, adOpenKeyset, adLockPessimistic If rs_login.EOF = True Then MsgBox 没有这个用户, vbOKOnly + vbExclamation, Combo1.SetFocus Else If Trim(rs_login.Fields(1) = Trim(txtpwd.Text) Then userID = Combo1.Text rs_login.Close Unload Me form1.Show Else MsgBox 密码不正确, vbOKOnly + vbExclamation, txtpwd.SetFocus End If End IfEnd Ifcnt = cnt + 1If cnt = 3 Then Unload MeEnd IfExit SubEnd SubPrivate Sub Command2_Click()Unload MeEnd SubPrivate Sub Form_Load()Dim connectionstring As Stringconnectionstring = provider=Microsoft.Jet.oledb.4.0; & _ data source=book.mdbconn.Open connectionstringcnt = 0End SubPrivate Sub txtuser_Change()End Sub2、文件名 form1(form1.frm)功能说明：整个系统的主界面，其中包括图书管理、读者管理、图书借阅管理、系统管理、关于，以及在这下面的子菜单。源代码：Private Sub add_admin_Click()frmadduser.ShowEnd SubPrivate Sub add_back_book_Click()frmbackbookinfo.ShowEnd SubPrivate Sub add_book_info_Click()frmaddbookinfo.ShowEnd SubPrivate Sub add_book_style_Click()frmaddbookstyle.ShowEnd SubPrivate Sub add_lend_book_Click()frmfindbook.ShowEnd SubPrivate Sub add_reader_info_Click()frmaddreaderinfo.ShowEnd SubPrivate Sub add_reader_style_Click()frmaddreaderstyle.ShowEnd SubPrivate Sub change_pwd_Click()frmchangepwd.ShowEnd SubPrivate Sub del_book_info_Click()frmmodifybookinfo.ShowEnd SubPrivate Sub del_book_style_Click()frmmodifybookstyle.ShowEnd SubPrivate Sub del_reader_info_Click()frmreaderinfo.ShowEnd SubPrivate Sub del_reader_style_Click()frmmodifyreaderstyle.ShowEnd SubPrivate Sub exit_sys_Click()EndEnd SubPrivate Sub find_book_info_Click()frmfindbook.ShowEnd SubPrivate Sub find_lend_book_Click()frmfindborrowinfo.ShowEnd SubPrivate Sub find_reader_info_Click()frmfindreader.ShowEnd SubPrivate Sub Form_Load()End SubPrivate Sub gly_Click()Form2.ShowEnd SubPrivate Sub modify_book_info_Click()frmmodifybookinfo.ShowEnd SubPrivate Sub modify_book_style_Click()frmmodifybookstyle.ShowEnd SubPrivate Sub modify_reader_info_Click()frmreaderinfo.ShowEnd SubPrivate Sub modify_reader_style_Click()frmmodifyreaderstyle.ShowEnd Sub3、文件名 frmaddbookstyle(frmbookstyle.frm)功能说明：用于添加图书类别信息。源代码：Option ExplicitPrivate Sub Command1_Click()Dim rs_bookstyle As New ADODB.RecordsetDim sql As StringIf Trim(Text1.Text) = Then MsgBox 图书种类不能为空, vbOKOnly + vbExclamation, Text1.SetFocus Exit SubEnd IfIf Trim(Text2.Text) = Then MsgBox 种类编号不能为空, vbOKOnly + vbExclamation, Text2.SetFocus Exit SubEnd Ifsql = select * from 图书类别 where 类别名称= & Text1.Text & rs_bookstyle.Open sql, conn, adOpenKeyset, adLockPessimisticIf 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.CloseElse MsgBox 读者类别重复！, vbOKOnly + vbExclamation, Text1.SetFocus Text1.Text = rs_bookstyle.Close Exit SubEnd IfEnd SubPrivate Sub Command2_Click()Unload MeEnd Sub4、文件名 frmmodifybookstyle（code）功能说明：图书类别管理，可以修改和删除图书类别。源代码：Option ExplicitDim rs_reader As New ADODB.RecordsetPrivate Sub cmdcancel_Click() rs_reader.CancelUpdate DataGrid1.Refresh DataGrid1.AllowAddNew = False DataGrid1.AllowUpdate = False cmdmodify.Enabled = True cmddel.Enabled = True cmdcancel.Enabled = False cmdupdate.Enabled = FalseEnd SubPrivate Sub cmddel_Click()Dim answer As StringOn Error GoTo delerroranswer = MsgBox(确定要删除吗？, vbYesNo, )If answer = vbYes Then DataGrid1.AllowDelete = True rs_reader.Delete rs_reader.Update DataGrid1.Refresh MsgBox 成功删除！, vbOKOnly + vbExclamation, DataGrid1.AllowDelete = FalseElse Exit SubEnd Ifdelerror:If Err.Number 0 Then MsgBox Err.DescriptionEnd IfEnd SubPrivate Sub cmdmodify_Click()Dim answer As StringOn Error GoTo cmdmodifycmddel.Enabled = Falsecmdmodify.Enabled = Falsecmdupdate.Enabled = Truecmdcancel.Enabled = TrueDataGrid1.AllowUpdate = Truecmdmodify:If Err.Number 0 Then MsgBox Err.DescriptionEnd IfEnd SubPrivate Sub Command5_Click()rs_reader.UpdateDataGrid1.RefreshEnd SubPrivate Sub cmdupdate_Click()If Not IsNull(DataGrid1.Bookmark) Then rs_reader.UpdateEnd If cmdmodify.Enabled = True cmddel.Enabled = True cmdcancel.Enabled = False cmdupdate.Enabled = False DataGrid1.AllowUpdate = False MsgBox 保存成功！, vbOKOnly + vbExclamation, End SubPrivate Sub Command1_Click()Unload MeEnd SubPrivate Sub Form_Load()Dim sql As StringOn Error GoTo loaderrorsql = select * from 图书类别rs_reader.CursorLocation = adUseClientrs_reader.Open sql, conn, adOpenKeyset, adLockPessimistic 打开数据库cmdupdate.Enabled = False设定datagrid控件属性DataGrid1.AllowAddNew = False 不可增加DataGrid1.AllowDelete = False 不可删除DataGrid1.AllowUpdate = FalseIf userpow = guest Then 权限相关 Frame2.Enabled = FalseEnd IfSet DataGrid1.DataSource = rs_readerExit Subloaderror: MsgBox Err.DescriptionEnd Sub5、文件名 frmaddbookinfo（frmaddbookinfo.frm）功能说明：添加图书信息，包括图书编号、书名、出版日期、入库日期、作者等信息。源代码：Option ExplicitPrivate Sub Command1_Click()Dim rs_addbook As New ADODB.RecordsetDim sql As StringIf Trim(Combo1.Text) = Then MsgBox 请选择图书种类, vbOKOnly + vbExclamation, Combo1.SetFocus Exit SubEnd IfIf Trim(Text1.Text) = Then MsgBox 图书编号不能为空, vbOKOnly + vbExclamation, Text1.SetFocus Exit SubEnd IfIf Trim(Text2.Text) = Then MsgBox 书名不能为空, vbOKOnly + vbExclamation, Text2.SetFocus Exit SubEnd If If Not IsDate(Text5.Text) Then MsgBox 请按照yyyy-mm-dd格式输入日期, vbOKOnly + vbExclamation, Text5.SetFocus Exit Sub End If If Not IsDate(Text6.Text) Then MsgBox 请按照yyyy-mm-dd格式输入日期, vbOKOnly + vbExclamation, Text6.SetFocus Exit Sub End Ifsql = select * from 书籍信息 where 书籍编号= & Text1.Text & rs_addbook.Open sql, conn, adOpenKeyset, adLockPessimisticIf rs_addbook.EOF Then rs_addbook.AddNew rs_addbook.Fields(0) = Trim(Text1.Text) rs_addbook.Fields(1) = Trim(Text2.Text) rs_addbook.Fields(2) = Trim(Combo1.Text) rs_addbook.Fields(3) = Trim(Text3.Text) rs_addbook.Fields(4) = Trim(Text4.Text) rs_addbook.Fields(5) = Trim(Text5.Text) rs_addbook.Fields(6) = Trim(Text6.Text) rs_addbook.Fields(7) = 否 rs_addbook.Update MsgBox 添加书籍信息成功！, vbOKOnly, rs_addbook.CloseElse MsgBox 图书编号重复！, vbOKOnly + vbExclamation, Text1.SetFocus Text1.Text = rs_addbook.Close Exit SubPrivate Sub Form_Load()Dim rs_leibie As New ADODB.RecordsetDim sql As Stringsql = select * from 图书类别rs_leibie.Open sql, conn, adOpenKeyset, adLockPessimisticrs_leibie.MoveFirstDo While Not rs_leibie.EOF Combo1.AddItem rs_leibie.Fields(0) rs_leibie.MoveNextLooprs_leibie.CloseEnd SubPrivate Sub Frame1_DragDrop(Source As Control, X As Single, Y As Single)End Sub6、文件名 frmfindbook（form）功能说明：查询图书信息，可以选择性的输入图书的编号、名称或者类别查询图书的详细信息。源代码：Option ExplicitDim panduan As StringPrivate Sub Command1_Click()Dim rs_findbook As New ADODB.RecordsetDim sql As StringIf Check1.Value = vbChecked Then sql = 书名= & Trim(Text1.Text & ) & End IfIf Check2.Value = vbChecked Then If Trim(sql) = Then sql = 类别= & Trim(Combo1.Text & ) & Else sql = sql & and 书名= & Trim(Combo1.Text & ) & End IfEnd IfIf Check3.Value = vbChecked Then If Trim(sql) = Then sql = 作者= & Trim(Text2.Text & ) & Else sql = sql & and 作者= & Trim(Text2.Text & ) & End IfEnd IfIf Check4.Value = vbChecked Then If Trim(sql) = Then sql = 出版社= & Trim(Text3.Text & ) & Else sql = sql & and 出版社= & Trim(Text3.Text & ) & End IfEnd IfIf Check5.Value = vbChecked Then If Trim(sql) = Then sql = 书籍编号= & Trim(Text4.Text & ) & Else sql = sql & and 书籍编号= & Trim(Text4.Text & ) & End IfEnd IfIf Trim(sql) = Then MsgBox 请选择查询方式！, vbOKOnly + vbExclamation Exit SubEnd Ifsql = select * from 书籍信息 where & sqlrs_findbook.CursorLocation = adUseClientrs_findbook.Open sql, conn, adOpenKeyset, adLockPessimisticDataGrid1.AllowAddNew = FalseDataGrid1.AllowDelete = FalseDataGrid1.AllowUpdate = FalseSet DataGrid1.DataSource = rs_findbookrs_findbook.CloseEnd SubPrivate Sub Command2_Click()Unload MeEnd SubPrivate Sub Command3_Click()If Trim(book_num) = Then MsgBox 请选择要借阅的图书！, vbOKOnly + vbExclamation Exit SubEnd IfIf panduan = 是 Then MsgBox 此书已被借出！, vbOKOnly + vbExclamation Exit SubEnd Iffrmborrowbook.ShowEnd SubPrivate Sub DataGrid1_RowColChange(LastRow As Variant, ByVal LastCol As Integer)book_num = DataGrid1.Columns(0).CellValue(DataGrid1.Bookmark)panduan = DataGrid1.Columns(7).CellValue(DataGrid1.Bookmark)End SubPrivate Sub Form_Load()Dim rs_find As New ADODB.RecordsetDim sql As Stringsql = select * from 图书类别rs_find.Open sql, conn, adOpenKeyset, adLockPessimisticrs_find.MoveFirstIf Not rs_find.EOF Then Do While Not rs_find.EOF Combo1.AddItem rs_find.Fields(0) rs_find.MoveNext Loop Combo1.ListIndex = 0End Ifrs_find.CloseEnd Sub7、文件名 frmaddreaderstyle（frmaddreaderstyle.frm）功能说明：添加读者的类别。源代码：Option ExplicitDim rs_readerstyle As New ADODB.RecordsetPrivate Sub Command1_Click()Dim sql As StringIf Trim(Text1.Text) = Then MsgBox 读者种类不能为空, vbOKOnly + vbExclamation, Text1.SetFocus Exit SubEnd IfIf Trim(Text2.Text) = Then MsgBox 借书数量不能为空, vbOKOnly + vbExclamation, Text2.SetFocus Exit SubEnd IfIf Trim(Text3.Text) = Then MsgBox 借书期限不能为空, vbOKOnly + vbExclamation, Text3.SetFocus Exit SubEnd IfIf Trim(Text4.Text) = Then MsgBox 有限期限不能为空, vbOKOnly + vbExclamation, Text4.SetFocus Exit SubEnd Ifsql = select * from 读者类别 where 种类名称= & Text1.Text & rs_readerstyle.Open sql, conn, adOpenKeyset, adLockPessimisticIf rs_readerstyle.EOF Then rs_readerstyle.AddNew rs_readerstyle.Fields(0) = Trim(Text1.Text) rs_readerstyle.Fields(1) = CInt(Text2.Text) rs_readerstyle.Fields(2) = CInt(Text3.Text) rs_readerstyle.Fields(3) = CInt(Text4.Text) rs_readerstyle.Update MsgBox 添加读者类别成功！, vbOKOnly, rs_readerstyle.Close Text1 = Text2 = Text3 = Text4 = Else MsgBox 读者类别重复！, vbOKOnly + vbExclamation, Text1.SetFocus Text1.Text = rs_readerstyle.Close Exit SubEnd IfEnd Sub8、文件名 frmmodifyreaderstyle（form）功能说明：读者类别管理，可以查询、删除、修改读者的信息。源代码：Option ExplicitDim rs_reader As New ADODB.RecordsetPrivate Sub cmdcancel_Click() rs_reader.CancelUpdate DataGrid1.Refresh DataGrid1.AllowAddNew = False DataGrid1.AllowUpdate = False cmdmodify.Enabled = True cmddel.Enabled = True cmdcancel.Enabled = False cmdupdate.Enabled = FalseEnd SubPrivate Sub cmddel_Click()Dim answer As StringOn Error GoTo delerroranswer = MsgBox(确定要删除吗？, vbYesNo, )If answer = vbYes Then DataGrid1.AllowDelete = True rs_reader.Delete rs_reader.Update DataGrid1.Refresh MsgBox 成功删除！, vbOKOnly + vbExclamation, DataGrid1.AllowDelete = FalseElse Exit SubEnd Ifdelerror:If Err.Number 0 Then MsgBox Err.DescriptionEnd IfEnd SubPrivate Sub cmdmodify_Click()Dim answer As StringOn Error GoTo cmdmodifycmddel.Enabled = Falsecmdmodify.Enabled = Falsecmdupdate.Enabled = Truecmdcancel.Enabled = TrueDataGrid1.AllowUpdate = Truecmdmodify:If Err.Number 0 Then MsgBox Err.DescriptionEnd IfEnd SubPrivate Sub Command5_Click()rs_reader.UpdateDataGrid1.RefreshEnd SubPrivate Sub cmdupdate_Click()If Not IsNull(DataGrid1.Bookmark) Then rs_reader.UpdateEnd If cmdmodify.Enabled = True cmddel.Enabled = True cmdcancel.Enabled = False cmdupdate.Enabled = False DataGrid1.AllowUpdate = False MsgBox 保存成功！, vbOKOnly + vbExclamation, End SubPrivate Sub Command1_Click()Unload MeEnd SubPrivate Sub Form_Load()Dim sql As StringOn Error GoTo loaderrorsql = select * from 读者类别rs_reader.CursorLocation = adUseClientrs_reader.Open sql, conn, adOpenKeyset, adLockPessimistic 打开数据库cmdupdate.Enabled = False设定datagrid控件属性DataGrid1.AllowAddNew = False 不可增加DataGrid1.AllowDelete = False 不可删除DataGrid1.AllowUpdate = FalseIf userpow = guest Then 权限相关 Frame2.Enabled = FalseEnd IfSet DataGrid1.DataSource = rs_readercmdcancel.Enabled = FalseExit Subloaderror: MsgBox Err.DescriptionEnd SubPrivate Sub Form_Unload(Cancel As Integer)Set DataGrid1.DataSource = Nothingrs_reader.CloseEnd Sub9、文件名frmaddreaderinfo（frmaddreaderinfo.frm）功能说明：添加读者信息，包括读者的姓名、性别、读者类别、登记日期、电话号码、工作单位、家庭地址等信息。源代码：Option ExplicitDim rs_addreader As New ADODB.RecordsetPrivate Sub Command1_Click()Dim sql As StringIf Trim(Combo1.Text) = Then MsgBox 请选择读者种类, vbOKOnly + vbExclamation, Combo1.SetFocus Exit SubEnd IfIf Trim(Text1.Text) = Then MsgBox 读者姓名不能为空, vbOKOnly + vbExclamation, Text1.SetFocus Exit SubEnd IfIf Trim(Text2.Text) = Then MsgBox 读者编号不能为空, vbOKOnly + vbExclamation, Text2.SetFocus Exit SubEnd Ifsql = select * from 读者信息 where 读者编号= & Text2.Text & rs_addreader.Open sql, conn, adOpenKeyset, adLockPessimisticIf rs_addreader.EOF Then rs_addreader.AddNew rs_addreader.Fields(0) = Trim(Text1.Text) rs_addreader.Fields(1) = Trim(Text2.Text) rs_addreader.Fields(2) = Trim(Combo2.Text) rs_addreader.Fields(3) = Trim(Combo1.Text) rs_addreader.Fields(4) = Trim(Text3.Text) rs_addreader.Fields(5) = Trim(Text4.Text) rs_addreader.Fields(6) = Trim(Text5.Text) rs_addreader.Fields(7) = CDate(Text6.Text) rs_addreader.Update MsgBox 添加读者信息成功！, vbOKOnly, rs_addreader.Close Text1 = Text2 = Text3 = Text4 = Text5 = Text6 = Else MsgBox 读者编号重复！, vbOKOnly + vbExclamation, Text1.SetFocus Text1.Text = rs_addreader.Close Exit SubEnd IfEnd SubPrivate Sub Command2_Click()Unload MeEnd SubPrivate Sub Form_Load()Combo2.AddItem 男Combo2.AddItem 女Dim rs_leibie As New ADODB.RecordsetDim sql As Stringsql = select * from 读者类别rs_leibie.Open sql, conn, adOpenKeyset, adLockPessimisticrs_leibie.MoveFirstDo While Not rs_leibie.EOF Combo1.AddItem rs_leibie.Fields(0) rs_leibie.MoveNextLooprs_leibie.CloseEnd Sub10、文件名 frmreaderinfo（frmreaderinfo,frm）功能说明：读者信息管理，可以修改和删除读者的信息。源代码：Option ExplicitDim rs_reader As New ADODB.RecordsetPrivate Sub cmdcancel_Click() rs_reader.CancelUpdate DataGrid1.Refresh DataGrid1.AllowAddNew = False DataGrid1.AllowUpdate = False cmdmodify.Enabled = True cmddel.Enabled = True cmdcancel.Enabled = False cmdupdate.Enabled = FalseEnd SubPrivate Sub cmddel_Click()Dim answer As StringOn Error GoTo delerroranswer = MsgBox(确定要删除吗？, vbYesNo, )If answer = vbYes Then DataGrid1.AllowDelete = True rs_reader.Delete rs_reader.Update DataGrid1.Refresh MsgBox 成功删除！, vbOKOnly + vbExclamation, DataGrid1.AllowDelete = FalseElse Exit SubEnd Ifdelerror:If Err.Number 0 Then MsgBox Err.DescriptionEnd IfEnd SubPrivate Sub cmdmodify_Click()Dim answer As StringOn Error GoTo cmdmodifycmddel.Enabled = Falsecmdmodify.Enabled = Falsecmdupdate.Enabled = Truecmdcancel.Enabled = TrueDataGrid1.AllowUpdate = Truecmdmodify:If Err.Number 0 Then MsgBox Err.DescriptionEnd IfEnd SubPrivate Sub Command5_Click()rs_reader.UpdateDataGrid1.RefreshEnd SubPrivate Sub cmdupdate_Click()If Not IsNull(DataGrid1.Bookmark) Then rs_reader.UpdateEnd If cmdmodify.Enabled = True cmddel.Enabled = True cmdcancel.Enabled = False cmdupdate.Enabled = False DataGrid1.AllowUpdate = False MsgBox 保存成功！, vbOKOnly + vbExclamation, End SubPrivate Sub Command1_Click()Unload MeEnd SubPrivate Sub Form_Load()Dim sql As StringOn Error GoTo loaderrorsql = select * from 读者信息rs_reader.CursorLocation = adUseClientrs_reader.Open sql, conn, adOpenKeyset, adLockPessimistic 打开数据库cmdupdate.Enabled = False设定datagrid控件属性DataGrid1.AllowAddNew = False 不可增加DataGrid1.AllowDelete = False 不可删除DataGrid1.AllowUpdate = FalseIf userpow = guest Then 权限相关Private Sub Form_Unload(Cancel As Integer)Set DataGrid1.DataSource = Nothingrs_reader.CloseEnd Sub11、文件名 frmfindreader（frmfindreader.frm）功能说明：查询读者信息，可以选择性的输入读者姓名、读者编号、读者种类来查询读者的详细信息。源代码：Option ExplicitPrivate Sub Command1_Click()Dim rs_findreader As New ADODB.RecordsetDim sql A