📄 frmloginmain.frm
字号:
VERSION 5.00
Begin VB.Form FrmLogin
BorderStyle = 3 'Fixed Dialog
Caption = "登 录"
ClientHeight = 3045
ClientLeft = 45
ClientTop = 330
ClientWidth = 4920
LinkTopic = "Form1"
MaxButton = 0 'False
MinButton = 0 'False
ScaleHeight = 3045
ScaleWidth = 4920
ShowInTaskbar = 0 'False
StartUpPosition = 2 '屏幕中心
Begin VB.Frame Frame1
Height = 3015
Left = 0
TabIndex = 0
Top = 0
Width = 4935
Begin VB.Frame Frame2
Height = 2775
Left = 120
TabIndex = 5
Top = 120
Width = 4695
Begin VB.Frame Frame5
Height = 735
Left = 840
TabIndex = 10
Top = 1560
Width = 2775
Begin VB.CommandButton Cmd_Cancel
Caption = "取 消"
BeginProperty Font
Name = "宋体"
Size = 10.5
Charset = 134
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 375
Left = 1440
TabIndex = 4
Top = 240
Width = 1215
End
Begin VB.CommandButton Cmd_OK
Caption = "确 定"
BeginProperty Font
Name = "宋体"
Size = 10.5
Charset = 134
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 375
Left = 120
TabIndex = 3
Top = 240
Width = 1215
End
End
Begin VB.Frame Frame4
Height = 735
Left = 480
TabIndex = 8
Top = 840
Width = 3615
Begin VB.TextBox txtPwd
BeginProperty Font
Name = "宋体"
Size = 10.5
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 375
IMEMode = 3 'DISABLE
Left = 1080
MaxLength = 10
PasswordChar = "*"
TabIndex = 2
Top = 240
Width = 2295
End
Begin VB.Label Label2
Caption = "密 码:"
BeginProperty Font
Name = "宋体"
Size = 9
Charset = 134
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 255
Left = 240
TabIndex = 9
Top = 360
Width = 735
End
End
Begin VB.Frame Frame3
Height = 735
Left = 480
TabIndex = 6
Top = 120
Width = 3615
Begin VB.TextBox txtUser
BeginProperty Font
Name = "宋体"
Size = 10.5
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 375
Left = 1080
MaxLength = 15
TabIndex = 1
Top = 240
Width = 2295
End
Begin VB.Label Label1
Caption = "用户名:"
BeginProperty Font
Name = "宋体"
Size = 9
Charset = 134
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 255
Left = 240
TabIndex = 7
Top = 360
Width = 735
End
End
Begin VB.Label Label3
Caption = "欢 迎 您 使 用 !"
BeginProperty Font
Name = "宋体"
Size = 9
Charset = 134
Weight = 700
Underline = 0 'False
Italic = -1 'True
Strikethrough = 0 'False
EndProperty
Height = 255
Left = 1560
TabIndex = 11
Top = 2400
Width = 1935
End
End
End
End
Attribute VB_Name = "FrmLogin"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Public PasswordKey As String
Public Try_times As Integer
Public NameKey As String
Private Sub Cmd_Cancel_Click()
i = MsgBox("你确定要退出这个系统吗?", vbOKCancel + 32, "提示")
If i = 2 And try_time < 3 Then
Exit Sub
End If
End
End Sub
Private Sub Cmd_Ok_Click()
Dim j As Single
'数据有效性检查
If txtUser = "" Then
MsgBox "请输入用户名!", vbOKOnly + 48, "错误"
txtUser.SetFocus
Exit Sub
End If
If txtPwd = "" Then
MsgBox "请输入密码!", vbOKOnly + 48, "错误"
txtPwd.SetFocus
Exit Sub
End If
'将用户输入赋值到变量中
NameKey = MakeStr(txtUser)
PasswordKey = MakeStr(txtPwd)
'判断用户是否存在
If MyUser.In_DB(NameKey) = False Then
MsgBox "用户名不存在!", vbOKOnly + 48, "错误"
Try_times = Try_times + 1
If Try_times >= 3 Then
MsgBox "您已经三次尝试进入本系统，均不成功，系统将关闭!", _
vbOKOnly + 48, "错误"
DBapi_Disconnect
End
Else
Exit Sub
End If
End If
'判断密码是否正确
MyUser.GetInfo (NameKey)
If MyUser.Pwd <> PasswordKey Then
MsgBox "密码错误!", vbOKOnly + 48, "错误"
txtPwd.SetFocus
Try_times = Try_times + 1
If Try_times >= 3 Then
MsgBox "您已经三次尝试进入本系统，均不成功，系统将关闭 !", _
vbOKOnly + 48, "错误"
DBapi_Disconnect
End
Else
Exit Sub
End If
End If
'登录成功，将当前用户的信息保存在CurUser中
CurUser.GetInfo (MyUser.UserName)
'关闭登录对话框
'系统用户可以管理所有用户,但不可以改动题库
If CurUser.UserType = 0 Then
My = 1
FrmMain.mn_shijjian = False
FrmMain.mn_tiku = False
FrmMain.mn_choice_myself = False
FrmMain.Toolbar1.Buttons.Item(6).Enabled = False
FrmMain.Toolbar1.Buttons.Item(7).Enabled = False
FrmMain.Toolbar1.Buttons.Item(8).Enabled = False
FrmMain.Toolbar1.Buttons.Item(9).Enabled = False
FrmMain.Toolbar1.Buttons.Item(10).Enabled = False
FrmMain.Toolbar1.Buttons.Item(11).Enabled = False
FrmMain.Toolbar1.Buttons.Item(12).Enabled = False
FrmMain.Toolbar1.Buttons.Item(15).Enabled = False
FrmMain.Show
Else
My = 0
'用来保存自己所管理课程的信息
CurClass.GetInfo (MyClass.GetName(CurUser.UserType))
FrmMain.mn_add_user = False
FrmMain.mn_restore = False
FrmMain.mn_choice_subject = False
FrmMain.Toolbar1.Buttons.Item(2).Enabled = False
FrmMain.Toolbar1.Buttons.Item(5).Enabled = False
FrmMain.Toolbar1.Buttons.Item(14).Enabled = False
FrmMain.Show
If MyTitle.See_Name(CurClass.ClassId) = False Then
Unload Me
i = MsgBox("您管理的课程 " & CurClass.Classname & _
" 还没有任何题型，" & Chr(10) & Chr(13) & _
"请现在添加题型！", vbOKOnly + 48, "警告")
With FrmTitleMan
.lblClassName = CurClass.Classname
.Show 1
End With
End If
End If
Unload Me
End Sub
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -