图书管理系统 源程序代码.doc

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1、1：登录窗口代码：Option ExplicitDim X As Integer 保存密码输入错误次数Public tempname As StringPrivate Sub cmdOK_Click() Dim cn As ADODB.Connection Dim rs As ADODB.Recordset Dim strcon As String Dim sql As String Set cn = CreateObject(adodb.connection) Set rs = CreateObject(adodb.recordset) strcon = Provider=MSDASQL.1

2、;Persist Security Info=False;Data Source=图书销售系统 cn.Open strcon 游客登录 If Combo1.Text = 游客 Then 主窗体.tsgl.Visible = False 主窗体.yhgl.Visible = False 主窗体.gwtd.Visible = False 主窗体.kuc.Visible = False 主窗体.glyzc.Visible = False 主窗体.tshj.Enabled = True 主窗体.Toolbar1.Buttons(1).Visible = False 主窗体.Toolbar1.Butto

3、ns(2).Visible = False 主窗体.Toolbar1.Buttons(3).Visible = False 主窗体.Toolbar1.Buttons(4).Visible = False 主窗体.Toolbar1.Buttons(5).Visible = False Unload Me 主窗体.Show Exit Sub End If非游客用户登录If Trim(Text1.Text) = Or Trim(Text2.Text) = Then 判断user_ID不能为空 MsgBox 用户登录信息未完整填写，请重新输入！ Text1.SetFocusElse If Combo1

4、.Text = 请选择权限 Then 判断登录权限不能为空 MsgBox 请选择权限, vbOKOnly + vbExclamation, 警告 Combo1.SetFocus Exit Sub ElseIf Combo1.Text = 管理员 Then 管理员登录 userleibie = 管理员 username = Text1.Text sql = select * from 管理员 where user_ID= & Trim(Text1.Text) & 由管理员表中查询是否存在 rs.Open sql, cn, adOpenKeyset, adLockPessimistic If rs

5、.EOF = True Then MsgBox 没有这个用户,请重输入！, vbOKOnly + vbExclamation, 警告 Text1.Text = Text2.Text = Text1.SetFocus Exit Sub Else 主窗体管理员权限开放 主窗体.tsgl.Enabled = True 主窗体.yhgl.Enabled = True 主窗体.tshj.Enabled = True 主窗体.gwtd.Visible = False 主窗体.kuc.Visible = True 主窗体.exit.Enabled = True 主窗体.Toolbar1.Enabled =

6、True 主窗体.Toolbar1.Buttons(4).Visible = False End If ElseIf Combo1.Text = 普通用户 Then 普通用户登录 userleibie = 普通用户 username = Text1.Text sql = select * from 普通用户 where user_ID= & Trim(Text1.Text) & rs.Open sql, cn, adOpenKeyset, adLockPessimistic If rs.EOF = True Then MsgBox 没有这个用户,请重输入！, vbOKOnly + vbExcl

7、amation, 警告 Text1.Text = Text2.Text = Text1.SetFocus Exit Sub Else 主窗体普通用户权限开放 主窗体.tsgl.Visible = False 主窗体.glygl.Visible = False 主窗体.kuc.Visible = False 主窗体.glyzc.Visible = False 主窗体.Toolbar1.Buttons(1).Visible = False 主窗体.Toolbar1.Buttons(2).Visible = False 主窗体.Toolbar1.Buttons(5).Visible = False

8、End If End IfEnd If为非游客登录提供密码认证If Trim(rs.Fields(mima) = Trim(Text2.Text) Then tempname = Trim$(rs.Fields(真实姓名) usereal = tempname 主窗体.Show Unload MeElse If X = 2 Then MsgBox 密码输入超过三次,请联系管理员！, vbOKOnly + vbExclamation, 警告 Unload Me Exit Sub End If MsgBox 密码不正确,请重输入！, vbOKOnly + vbExclamation, 警告 Tex

9、t2.SetFocus Text2.Text = X = X + 1 密码输入错误次数统计End IfEnd IfEnd SubPrivate Sub cmdCancle_Click() Unload MeEnd SubPrivate Sub Command1_Click()userzhuce.Combo1.AddItem 普通用户用户注册.ShowEnd SubPrivate Sub Form_Load()X = 0End Sub2：个人历史消费记录Dim rs_find As New ADODB.RecordsetPrivate Sub Command2_Click()Unload MeE

10、nd SubPrivate Sub Form_Load() Dim cn As ADODB.Connection Dim strcon As String Dim sql As String Set cn = CreateObject(adodb.connection) Set rs_find = CreateObject(adodb.recordset) strcon = Provider=MSDASQL.1;Persist Security Info=False;Data Source=图书销售系统 cn.Open strcon sql = select * from lishi wher

11、e 用户名 = & Trim(username) & rs_find.CursorLocation = adUseClient rs_find.Open sql, cn, adOpenKeyset, adLockPessimistic If rs_find.EOF Then MsgBox 你还没有消费记录,那么赶紧消费吧!Else DataGrid1.AllowAddNew = False DataGrid1.AllowDelete = False DataGrid1.AllowUpdate = False Set DataGrid1.DataSource = rs_find Exit Sub

12、 很重要,要与上句合用,不然,显示不出来 End If rs_find.Close End SubPrivate Sub Form_Unload(Cancel As Integer) Set DataGrid1.DataSource = Nothing rs_find.CloseEnd Sub3：购物车Option ExplicitDim rs As ADODB.RecordsetPrivate Sub Command1_Click()Dim cn As ADODB.Connection Dim strcon As String Dim yi, er, san, si, wu, liu As

13、String Dim qi, n As Integer Dim sql, sqq, sqs, ssq As String Set cn = CreateObject(adodb.connection) Set rs = CreateObject(adodb.recordset) strcon = Provider=MSDASQL.1;Persist Security Info=False;Data Source=图书销售系统 cn.Open strcon yi = Trim(DataGrid1.Columns(0).CellValue(DataGrid1.Bookmark) er = Trim

14、(DataGrid1.Columns(1).CellValue(DataGrid1.Bookmark) san = Trim(DataGrid1.Columns(2).CellValue(DataGrid1.Bookmark) si = Trim(DataGrid1.Columns(3).CellValue(DataGrid1.Bookmark) wu = Trim(DataGrid1.Columns(4).CellValue(DataGrid1.Bookmark) liu = Trim(DataGrid1.Columns(5).CellValue(DataGrid1.Bookmark)qi

15、= Trim(DataGrid1.Columns(6).CellValue(DataGrid1.Bookmark) If Trim(yi) = Then MsgBox 请选择要购买的图书!, vbOKOnly + vbExclamationElseDataGrid1.AllowDelete = TrueDataGrid1.Refresh sqq = insert into lishi values( & & yi & & , & & er & _ & , & & san & & , & & si & & , & & wu _ & & , & & liu & & , & & qi & & )rs

16、.Open sqq, cn, adOpenKeyset, adLockPessimisticsql = select * from linshi where 图书编号= & & yi & & and & 数量= & & qi & rs.Open sql, cn, adOpenKeyset, adLockPessimisticIf rs.EOF Then MsgBox 购物车里的物品已全部购买，请继续其他消费！ Unload Me Else DataGrid1.AllowDelete = True rs.Delete rs.Update DataGrid1.Refresh MsgBox 你已成功

17、购买了该图书，请继续购买其他图书！rs.Closessq = select 库存量 from book where 图书编号= & & yi & rs.Open ssq, cn, adOpenKeyset, adLockPessimisticn = Int(Trim(rs.Fields(0)rs.Closesqs = update book set 库存量= & & Int(n - shuliang) & & where 图书编号= & & yi & rs.Open sqs, cn, adOpenKeyset, adLockPessimistic End If End IfEnd SubPri

18、vate Sub Command2_Click()Unload MeEnd SubPrivate Sub Form_Load() Dim cn As ADODB.Connection Dim strcon As String Dim sql As String Set cn = CreateObject(adodb.connection) Set rs = CreateObject(adodb.recordset) strcon = Provider=MSDASQL.1;Persist Security Info=False;Data Source=图书销售系统 cn.Open strcon

19、sql = select * from linshi rs.CursorLocation = adUseClient rs.Open sql, cn, adOpenKeyset, adLockPessimistic If rs.EOF Then MsgBox 你还没有消费记录,那么赶紧消费吧!ElseFrame1.Caption = 欢迎 + Trim(username) + 登录！这是您的购物车！ DataGrid1.AllowAddNew = False DataGrid1.AllowDelete = False DataGrid1.AllowUpdate = False Set Data

20、Grid1.DataSource = rs Exit Sub 很重要,要与上句合用,不然,显示不出来 End If End SubPrivate Sub Form_Unload(Cancel As Integer) Set DataGrid1.DataSource = Nothing rs.CloseEnd Sub4：库存Dim rs As ADODB.RecordsetPrivate Sub cmdcancel_Click()rs.CancelUpdate DataGrid1.Refresh DataGrid1.AllowAddNew = False DataGrid1.AllowUpdat

21、e = False cmdmodify.Enabled = True cmdupdate.Enabled = False cmdcancel.Enabled = False Unload Me cmdcancel.Enabled = FalseEnd SubPrivate Sub cmdmodify_Click() 修改库存记录DataGrid1.SetFocusDim answer As String On Error GoTo cmdmodify cmdmodify.Enabled = False cmdupdate.Enabled = True cmdcancel.Enabled = T

22、rue DataGrid1.AllowUpdate = True Exit Subcmdmodify: If Err.Number 0 Then MsgBox Err.Description End If cmdcancel.Enabled = TrueEnd SubPrivate Sub cmdupdate_Click() 确定修改On Error Resume NextIf Not IsNull(DataGrid1.Bookmark) Then rs.Update End If cmdmodify.Enabled = True cmdupdate.Enabled = False cmdca

23、ncel.Enabled = False MsgBox 修改成功!, vbOKOnly + vbExclamation, End SubPrivate Sub Command1_Click()cmdmodify.Enabled = True Dim cn As ADODB.Connection Dim strcon As String Dim n As Integer Dim sql As String Set cn = CreateObject(adodb.connection) Set rs = CreateObject(adodb.recordset) strcon = Provider

24、=MSDASQL.1;Persist Security Info=False;Data Source=图书销售系统 cn.Open strcon If Text1.Text = And Text2.Text = Then MsgBox 请输入相关图书信息进行查询!, vbExclamation + vbOKOnly, 警告！ Else If Option1.Value = True Then Text2.Text = If Text1.Text = Then MsgBox 请输入图书编号! sql = select 图书编号,图书名,库存量 from book where 图书编号= & &

25、Trim(Text1.Text) & End If If Option2.Value = True Then Text1.Text = If Text2.Text = Then MsgBox 请输入图书编号! sql = select 图书编号,图书名,库存量 from book where 图书名= & & Trim(Text2.Text) & End If rs.CursorLocation = adUseClient rs.Open sql, cn, adOpenKeyset, adLockPessimistic DataGrid1.AllowAddNew = False DataGri

26、d1.AllowDelete = False DataGrid1.AllowUpdate = False Set DataGrid1.DataSource = rs Exit Sub End IfEnd SubPrivate Sub Command2_Click() Unload MeEnd SubPrivate Sub Form_Load() Set DataGrid1.DataSource = Nothing cmdcancel.Enabled = False cmdmodify.Enabled = False cmdupdate.Enabled = False rs.CloseEnd S

27、ubPrivate Sub Form_Unload(Cancel As Integer) Set DataGrid1.DataSource = Nothing cmdcancel.Enabled = False rs.CloseEnd Sub5：历史消费记录Dim rs_find As New ADODB.RecordsetPrivate Sub Command1_Click()End SubPrivate Sub Command2_Click()Unload MeEnd SubPrivate Sub Form_Load() Dim cn As ADODB.Connection Dim str

28、con As String Dim sql As String Set cn = CreateObject(adodb.connection) Set rs_find = CreateObject(adodb.recordset) strcon = Provider=MSDASQL.1;Persist Security Info=False;Data Source=图书销售系统 cn.Open strcon sql = select * from lishi rs_find.CursorLocation = adUseClient rs_find.Open sql, cn, adOpenKey

29、set, adLockPessimistic If rs_find.EOF Then MsgBox 还没有消费记录!Else DataGrid1.AllowAddNew = False DataGrid1.AllowDelete = False DataGrid1.AllowUpdate = False Set DataGrid1.DataSource = rs_find Exit Sub 很重要,要与上句合用,不然,显示不出来 End If rs_find.Close End SubPrivate Sub Form_Unload(Cancel As Integer) Set DataGrid

30、1.DataSource = Nothing rs_find.CloseEnd Sub6：添加图书类别Private Sub Command1_Click() Dim cn As ADODB.Connection Dim rs As ADODB.Recordset Dim strcon As String Dim sql As String Set cn = CreateObject(adodb.connection) Set rs = CreateObject(adodb.recordset) strcon = Provider=MSDASQL.1;Persist Security Info

31、=False;Data Source=图书销售系统 cn.Open strcon If Trim(Text1.Text) = Then MsgBox 图书类别不能为空 , vbOK0nly + vbExclamation, Text1.SetFocus Exit Sub End If If Trim(Text2.Text) = Then MsgBox 新类别必须对应新编号, vbOK0nly + vbExclamation, Text2.SetFocus Exit Sub End If sql = select * from 图书类别 where 类别名称= & Text1.Text & rs

32、.Open sql, cn, adOpenKeyset, adLockPessimistic If rs.EOF Then rs.AddNew rs.Fields(0) = Trim(Text1.Text) rs.Fields(1) = Trim(Text2.Text) rs.Update MsgBox 添加图书类别成功!, vbOKOnly, rs.Close Else MsgBox 图书类别重复！, vbOKOnly + vbExclamation, Text1.SetFocus Text1.Text = rs.Close Exit SubEnd IfUnload MeEnd SubPri

33、vate Sub Command2_Click() Unload MeEnd Sub7：添加图书信息Private Sub Command1_Click() Dim cn As ADODB.Connection Dim rs As ADODB.Recordset Dim strcon As String Dim n As Integer Dim strsql, sql, sqq As String Set cn = CreateObject(adodb.connection) Set rs = CreateObject(adodb.recordset) strcon = Provider=MS

34、DASQL.1;Persist Security Info=False;Data Source=图书销售系统 cn.Open strconIf Trim(Text1.Text) = Then 确定图书编号不为空 MsgBox 图书编号不能为空, vbOKOnly + vbExclamation, Text1.SetFocus Exit SubEnd IfIf Trim(Text2.Text) = Then 确定书名不能为空 MsgBox 书名不能为空, vbOKOnly + vbExclamation, Text2.SetFocus Exit SubEnd IfIf Trim(Combo1.T

35、ext) = Then 确定请选择图书种类 MsgBox 请选择图书种类, vbOKOnly + vbExclamation, Combo1.SetFocus Exit SubEnd IfIf Trim(Text3.Text) = Then 确定作者不为空 MsgBox 作者不能为空, vbOKOnly + vbExclamation, Text3.SetFocus Exit SubEnd IfIf Trim(Text4.Text) = Then 确定出版社不为空 MsgBox 出版社不能为空, vbOKOnly + vbExclamation, Text4.SetFocus Exit Sub

36、End IfIf Trim(Text5.Text) = Then 确定定价不为空 MsgBox 定价不能为空, vbOKOnly + vbExclamation, Text5.SetFocus Exit SubEnd Ifstrsql = select * from book where 图书编号= & & Trim(Text1.Text) & 判断是否存在相同图书编号sql = insert into book values( & & Trim(Text1.Text) & & , & & Trim(Text2.Text) & & , & & Trim(Text3.Text) & & , &

37、& Trim(Text4.Text) & & , & & Trim(Combo1.Text) & & , & & Trim(Text5.Text) & & , & & Trim(Text6.Text) & & , & & Trim(Text7.Text) & & )rs.Open strsql, cn, adOpenKeyset, adLockPessimisticIf rs.EOF Thenrs.Closers.Open sql, cn, adOpenKeyset, adLockPessimisticElsen = rs.Fields(7) + Int(Trim(Text7.Text)sqq

38、 = update book set 库存量= & & n & rs.Closers.Open sqq, cn, adOpenKeyset, adLockPessimisticEnd If MsgBox 添加书籍信息成功!, vbOKOnly, Unload MeEnd SubPrivate Sub Command2_Click() Unload MeEnd SubPrivate Sub Form_Load()Dim cn As ADODB.Connection Dim rs_leibie As ADODB.Recordset Dim strcon As String Dim strsql A

39、s String Set cn = CreateObject(adodb.connection) Set rs_leibie = CreateObject(adodb.recordset) strcon = Provider=MSDASQL.1;Persist Security Info=False;Data Source=图书销售系统 cn.Open strcon sql = select * from 图书类别 rs_leibie.Open sql, cn, adOpenKeyset, adLockPessimistic rs_leibie.MoveFirstDo While Not rs

40、_leibie.EOF Combo1.AddItem rs_leibie.Fields(0) rs_leibie.MoveNextLooprs_leibie.CloseEnd Sub8：图书类别管理Option ExplicitDim rs_reader As New ADODB.RecordsetPrivate Sub cmdcancel_Click() rs_reader.CancelUpdate DataGrid1.Refresh DataGrid1.AllowAddNew = False DataGrid1.AllowUpdate = False cmddel.Enabled = Tr

41、ue cmdmodify.Enabled = True cmdupdate.Enabled = False cmdcancel.Enabled = FalseEnd SubPrivate Sub cmddel_Click() Dim answer As String answer = MsgBox(确定要删除吗？, vbYesNo, ) If answer = vbYes Then DataGrid1.AllowDelete = True rs_reader.Delete rs_reader.Update DataGrid1.Refresh Else Exit Sub End IfEnd SubPrivate Sub cmdmodify_Click() Dim answer As String On Error GoTo