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📄 frmserver.frm

📁 远程数据库读取保存示例 .rar
💻 FRM
字号:
VERSION 5.00
Object = "{248DD890-BB45-11CF-9ABC-0080C7E7B78D}#1.0#0"; "MSWINSCK.OCX"
Object = "{831FDD16-0C5C-11D2-A9FC-0000F8754DA1}#2.0#0"; "MSCOMCTL.OCX"
Begin VB.Form FrmServer 
   BorderStyle     =   1  'Fixed Single
   Caption         =   "服务端 1.2"
   ClientHeight    =   5700
   ClientLeft      =   150
   ClientTop       =   435
   ClientWidth     =   9135
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   5700
   ScaleWidth      =   9135
   StartUpPosition =   3  '窗口缺省
   Begin VB.Frame Frame2 
      Caption         =   " 用户账户"
      Height          =   1935
      Left            =   4680
      TabIndex        =   3
      Top             =   480
      Width           =   4335
      Begin VB.CommandButton cmdCreate 
         Caption         =   "创建用户"
         Height          =   375
         Left            =   2760
         TabIndex        =   8
         Top             =   1320
         Width           =   1455
      End
      Begin VB.TextBox Text1 
         Height          =   285
         IMEMode         =   3  'DISABLE
         Index           =   1
         Left            =   1560
         PasswordChar    =   "*"
         TabIndex        =   5
         Text            =   "Text1"
         Top             =   720
         Width           =   2655
      End
      Begin VB.TextBox Text1 
         Height          =   285
         Index           =   0
         Left            =   1560
         TabIndex        =   4
         Text            =   "Text1"
         Top             =   360
         Width           =   2655
      End
      Begin VB.Label Label3 
         Caption         =   "密码"
         Height          =   255
         Left            =   135
         TabIndex        =   7
         Top             =   720
         Width           =   1215
      End
      Begin VB.Label Label2 
         Caption         =   "用户名"
         Height          =   255
         Left            =   120
         TabIndex        =   6
         Top             =   360
         Width           =   1215
      End
   End
   Begin VB.Timer Timer1 
      Interval        =   500
      Left            =   8880
      Top             =   4680
   End
   Begin VB.Frame Frame1 
      Caption         =   "                    连接用户                         "
      Height          =   5175
      Left            =   60
      TabIndex        =   0
      Top             =   480
      Width           =   4575
      Begin MSComctlLib.ListView lvusrs 
         Height          =   4815
         Left            =   105
         TabIndex        =   1
         Top             =   255
         Width           =   4335
         _ExtentX        =   7646
         _ExtentY        =   8493
         View            =   3
         LabelWrap       =   -1  'True
         HideSelection   =   -1  'True
         _Version        =   393217
         ForeColor       =   -2147483640
         BackColor       =   -2147483643
         BorderStyle     =   1
         Appearance      =   1
         NumItems        =   3
         BeginProperty ColumnHeader(1) {BDD1F052-858B-11D1-B16A-00C0F0283628} 
            Text            =   "连接"
            Object.Width           =   3246
         EndProperty
         BeginProperty ColumnHeader(2) {BDD1F052-858B-11D1-B16A-00C0F0283628} 
            SubItemIndex    =   1
            Text            =   "端口"
            Object.Width           =   952
         EndProperty
         BeginProperty ColumnHeader(3) {BDD1F052-858B-11D1-B16A-00C0F0283628} 
            SubItemIndex    =   2
            Text            =   "状态"
            Object.Width           =   3245
         EndProperty
      End
   End
   Begin MSWinsockLib.Winsock sckServer 
      Index           =   0
      Left            =   8880
      Top             =   5160
      _ExtentX        =   741
      _ExtentY        =   741
      _Version        =   393216
   End
   Begin VB.Frame Frame3 
      Caption         =   " 所有用户"
      Height          =   3210
      Left            =   4680
      TabIndex        =   9
      Top             =   2445
      Width           =   4335
      Begin VB.CommandButton cmdUpdate 
         Caption         =   "保存更改"
         Height          =   375
         Left            =   2640
         TabIndex        =   15
         Top             =   2685
         Width           =   1575
      End
      Begin VB.TextBox Text1 
         Height          =   285
         IMEMode         =   3  'DISABLE
         Index           =   3
         Left            =   1560
         PasswordChar    =   "*"
         TabIndex        =   13
         Text            =   "Text1"
         Top             =   2280
         Width           =   2655
      End
      Begin VB.TextBox Text1 
         Height          =   285
         Index           =   2
         Left            =   1560
         TabIndex        =   12
         Text            =   "Text1"
         Top             =   1920
         Width           =   2655
      End
      Begin VB.ListBox List1 
         Height          =   1320
         Left            =   120
         TabIndex        =   10
         Top             =   360
         Width           =   4095
      End
      Begin VB.Label Label5 
         Caption         =   "密码"
         Height          =   255
         Left            =   240
         TabIndex        =   14
         Top             =   2280
         Width           =   1215
      End
      Begin VB.Label Label4 
         Caption         =   "用户名"
         Height          =   255
         Left            =   240
         TabIndex        =   11
         Top             =   1920
         Width           =   1695
      End
   End
   Begin VB.Label Label7 
      Height          =   255
      Left            =   4800
      TabIndex        =   17
      Top             =   0
      Width           =   3255
   End
   Begin VB.Label Label6 
      Caption         =   "最后错误:"
      Height          =   255
      Left            =   3705
      TabIndex        =   16
      Top             =   45
      Width           =   4560
   End
   Begin VB.Label Label1 
      Height          =   255
      Left            =   120
      TabIndex        =   2
      Top             =   120
      Width           =   3495
   End
   Begin VB.Menu menu1 
      Caption         =   "mnu"
      Visible         =   0   'False
      Begin VB.Menu MnuDisc 
         Caption         =   "&Disconnect User"
      End
      Begin VB.Menu sep 
         Caption         =   "-"
         Index           =   1
      End
      Begin VB.Menu MnuExit 
         Caption         =   "E&xit"
      End
   End
End
Attribute VB_Name = "FrmServer"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Public RX As String
Public MaxCN As Long
Public JobNumber, InitMax As Long

Private Sub cmdCreate_Click()
    If Text1(0).Text = "" Then
        MsgBox "无法创建新用户", vbCritical, "用户建立错误"
            Exit Sub
        End If
        
    If Text1(1).Text = "" Then
        MsgBox "无法创建用户账户", vbCritical, "账户建立错误"
            Exit Sub
        End If
        
    Dim Rs As ADODB.Recordset
    Set Rs = New ADODB.Recordset
    
    Rs.Open "Select * from authentication", cn, adOpenKeyset, adLockOptimistic
    
    Rs.AddNew
    
    Rs!UserName = Text1(0).Text
    Rs!Password = Text1(1).Text
    
    Rs.Update
    Rs.Close
    Set Rs = Nothing
    
    Call LtUsrs
End Sub

Private Sub cmdUpdate_Click()
    Dim Rs As ADODB.Recordset
    Set Rs = New ADODB.Recordset
    
    SQL = "Select * from authentication where username = " & Chr(34) & List1.Text & Chr(34)
    
    Rs.Open SQL, cn, adOpenKeyset, adLockOptimistic
    
     Rs!UserName = Text1(2).Text
     Rs!Password = Text1(3).Text
    
    Rs.Update
    Rs.Close
    Set Rs = Nothing
    
    Call LtUsrs
End Sub

Private Sub Command1_Click()
    BroadcastRefresh
End Sub

Private Sub Form_Load()
    'lvusrs.ColumnHeaders.Add , , "Connected Users", 3300
    MaxCN = 0
    
    DBConnect
    
    If DBConnect = True Then
       sckServer(InitMax).LocalPort = "9456"
       sckServer(InitMax).Listen
       Call LtUsrs
    Else
       End
    End If
End Sub

Private Sub LtUsrs()
    Dim Rs As ADODB.Recordset
    Set Rs = New ADODB.Recordset
    Dim i As Integer
    List1.Clear
    Text1(0).Text = "": Text1(1).Text = "": Text1(2).Text = "": Text1(3).Text = ""
    Rs.Open "Select * from authentication", cn, adOpenForwardOnly, adLockReadOnly
    
    For i = 1 To Rs.RecordCount
        List1.AddItem Rs!UserName
        Rs.MoveNext
    Next i
    
    Rs.Close
    Set Rs = Nothing
End Sub

Private Sub List1_Click()
    Dim Rs As ADODB.Recordset
    Set Rs = New ADODB.Recordset
    
    SQL = "Select * from authentication where username = " & Chr(34) & List1.Text & Chr(34)
    
    Rs.Open SQL, cn, adOpenForwardOnly, adLockReadOnly
    
    Text1(2).Text = "" & Rs!UserName
    Text1(3).Text = "" & Rs!Password
    
    Rs.Close
    Set Rs = Nothing
End Sub

Private Sub sckServer_ConnectionRequest(Index As Integer, ByVal requestID As Long)
    MaxCN = MaxCN + 1
    Load sckServer(MaxCN)
    sckServer(MaxCN).LocalPort = 0
    sckServer(MaxCN).Accept requestID
End Sub

Private Sub sckServer_DataArrival(Index As Integer, ByVal bytesTotal As Long)
    Dim Recieve As String
    If Len(Recieve) = Null Then
        Exit Sub
    Else
        sckServer(Index).GetData Recieve
        Call ParseRecv(Recieve, sckServer(Index)) '分析数据
    End If
End Sub

Private Sub Timer1_Timer()
    Dim i As Integer
    On Error Resume Next
    For i = 0 To FrmServer.sckServer.Count
        FrmServer.lvusrs.ListItems(i).ListSubItems(2).Text = GetsckState(FrmServer.sckServer(i))
    Next i
End Sub

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