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文件大小: 696kb
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上传时间: 2014-06-08
详细说明： Private Sub cmdClose_Click() On Error GoTo Err_cmdClose_Click If MsgBox("是否确定退出系统？", vbQuestion + vbYesNo, "系统提示") = vbYes Then DoCmd.Quit Else Exit Sub End If Exit_cmdClose_Click: Exit Sub Err_cmdClose_Click: MsgBox Err.Description Resume Exit_cmdClose_Click End Sub Private Sub cmdOK_Click() On Error GoTo Err_cmdOK_Click '第一步 判断用户情况 Call cobUser_LostFocus If blnAsUser = True Then Me.cobUser.SetFocus Exit Sub Else Me .txtPwd.SetFocus End If '第二步 判断密码情况 Call txtPwd_LostFocus If blnAsPwd = True Then Me.txtPwd.SetFocus Exit Sub Else Me.lblPwd.ForeColor = RGB(0, 100, 0) Me.lblPwd.Caption = "√" 'MsgBox "测试通过 用户ID =" & userID MsgBox "测试通过！" Me.Visible = False End If Exit_cmdOK_Click: Exit Sub Err_cmdOK_Click: MsgBox Err.Description Resume Exit_cmdOK_Click End Sub Private Sub cobUser_LostFocus() On Error GoTo Err_cobUser_LostFocus blnAsUser = False Dim blnUser As Boolean blnUser = False If IsNull(Me.cobUser) Then Me.lblUser.ForeColor = RGB(255, 0, 0) Me.lblUser.Caption = "× 用户名不能为空" blnAsUser = True '当此处不退出，则会运行到 用户不存在的错误提示 Exit Sub End If Set rsAs = New ADODB.Recordset strAsSQL = "SELECT tb_user.用户ID,tb_user.用户名 FROM tb_user" rsAs.Open strAsSQL, CurrentProject.Connection, adOpenKeyset, adLockOptimistic rsAs.MoveFirst For iAs = 1 To rsAs.RecordCount If rsAs!用户名 = Me!cobUser Then blnUser = True iAs = rsAs.RecordCount + 1 '赋值给全局变量，适用于模块 Macro_modUsersLog Else rsAs.MoveNext End If Next iAs rsAs.Close Set rsAs = Nothing If blnUser = False Then Me.lblUser.ForeColor = RGB(255, 0, 0) Me.lblUser.Caption = "× 用户不存在" blnAsUser = True Exit Sub Else Me.lblUser.ForeColor = RGB(0, 100, 0) Me.lblUser.Caption = "√" End If Exit_cobUser_LostFocus: Exit Sub Err_cobUser_LostFocus: MsgBox Err.Description Resume Exit_cobUser_LostFocus End Sub Private Sub txtPwd_LostFocus() On Error GoTo Err_txtPwd_LostFocus blnAsPwd = False If IsNull(Me.cobUser) Then Me.lblPwd.Caption = "" Me.cobUser.SetFocus Exit Sub End If If IsNull(Me.txtPwd) Then Me.lblPwd.ForeColor = RGB(255, 0, 0) Me.lblPwd.Caption = "× 密码不能为空" blnAsPwd = True End If If DLookup("密码", "tb_user", "[用户名]=" & "'" & Me!cobUser & "'") <> Me!txtPwd Then Me.lblPwd.ForeColor = RGB(255, 0, 0) Me.lblPwd.Caption = "× 密码错误" blnAsPwd = True End If Exit_txtPwd_LostFocus: Exit Sub Err_txtPwd_LostFocus: MsgBox Err.Description Resume Exit_txtPwd_LostFocus End Sub ...展开收缩
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