frmqueryroom.frm

数据库课程设计

VERSION 5.00
Object = "{5E9E78A0-531B-11CF-91F6-C2863C385E30}#1.0#0"; "Msflxgrd.ocx"
Begin VB.Form frmqueryRoom 
   Caption         =   "查询房间"
   ClientHeight    =   4815
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   5130
   LinkTopic       =   "Form1"
   ScaleHeight     =   4815
   ScaleWidth      =   5130
   StartUpPosition =   3  'Windows Default
   Begin MSFlexGridLib.MSFlexGrid fgRoom 
      Height          =   1575
      Left            =   120
      TabIndex        =   8
      Top             =   3120
      Width           =   4815
      _ExtentX        =   8493
      _ExtentY        =   2778
      _Version        =   393216
   End
   Begin VB.CommandButton Command1 
      Caption         =   "取消(&C)"
      Height          =   375
      Left            =   2760
      TabIndex        =   6
      Top             =   2520
      Width           =   1095
   End
   Begin VB.CommandButton cmdQuery 
      Caption         =   "查询(&Q)"
      Height          =   375
      Left            =   1320
      TabIndex        =   5
      Top             =   2520
      Width           =   1095
   End
   Begin VB.Frame Frame2 
      Caption         =   "查询条件"
      Height          =   1215
      Left            =   240
      TabIndex        =   3
      Top             =   1080
      Width           =   4695
      Begin VB.OptionButton optCondition 
         Caption         =   "按房间类型"
         Height          =   375
         Index           =   1
         Left            =   240
         TabIndex        =   11
         Top             =   720
         Width           =   1335
      End
      Begin VB.OptionButton optCondition 
         Caption         =   "按房间号"
         Height          =   375
         Index           =   0
         Left            =   240
         TabIndex        =   10
         Top             =   240
         Width           =   1335
      End
      Begin VB.ComboBox cboRoom 
         Height          =   315
         Left            =   1680
         TabIndex        =   7
         Text            =   "Combo1"
         Top             =   240
         Width           =   2655
      End
      Begin VB.ComboBox cboType 
         Height          =   315
         Left            =   1680
         TabIndex        =   4
         Text            =   "Combo1"
         Top             =   720
         Width           =   2655
      End
   End
   Begin VB.Frame Frame1 
      Caption         =   "选择查询方式"
      Height          =   735
      Left            =   240
      TabIndex        =   0
      Top             =   240
      Width           =   4695
      Begin VB.OptionButton optQueryType 
         Caption         =   "空闲房间"
         Height          =   375
         Index           =   2
         Left            =   1680
         TabIndex        =   9
         Top             =   240
         Width           =   1215
      End
      Begin VB.OptionButton optQueryType 
         Caption         =   "按指定条件查询"
         Height          =   375
         Index           =   1
         Left            =   3000
         TabIndex        =   2
         Top             =   240
         Width           =   1575
      End
      Begin VB.OptionButton optQueryType 
         Caption         =   "查询全部"
         Height          =   375
         Index           =   0
         Left            =   360
         TabIndex        =   1
         Top             =   240
         Width           =   1095
      End
   End
End
Attribute VB_Name = "frmqueryRoom"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Public msgText As String
Public sqlStr As String

Private Sub cmdQuery_Click()
Dim rs As ADODB.Recordset
Dim i As Integer
Dim j As Integer

If optQueryType(0).Value = True Then
   sqlStr = "select * from roomInfo"
End If
If optQueryType(2).Value = True Then
   sqlStr = "select * from roomInfo where hasBooked='否'"
End If
If optQueryType(1).Value = True Then
   If optCondition(0).Value Then
       sqlStr = "SELECT * FROM roomInfo where roomno='" & cboRoom.Text & "'"
   End If
   If optCondition(1).Value Then
       sqlStr = "SELECT * FROM roomInfo where roomtype='" & cboType.Text & "'"
   End If
End If


Set rs = ExecuteSQL(sqlStr, msgText)

If rs.RecordCount = 0 Then

    frmQueryBook.Height = 2800

    MsgBox "没有查找满足条件的数据！", vbExclamation, "提示"
   
Else
    fgRoom.Rows = rs.RecordCount + 1
    
    fgRoom.Cols = 6
    
    'Print fgRoom.Rows
    
    '设定行高
    For i = 0 To fgRoom.Rows - 1
       fgRoom.RowHeight(i) = 280
    Next i
    
    '设定列的属性
    fgRoom.Row = 0
    
    For i = 0 To fgRoom.Cols - 1
       fgRoom.Col = i  '指定当前列为第i列
       fgRoom.FixedAlignment(i) = 4  '每列内容居中显示
       Select Case i
           Case 0
              fgRoom.ColWidth(i) = 620  '设定列宽
              fgRoom.Text = "序号"
           Case 1
              fgRoom.ColWidth(i) = 920  '设定列宽
              fgRoom.Text = "房间号"
           Case 2
              fgRoom.ColWidth(i) = 1000  '设定列宽
              fgRoom.Text = "房间类型"
           Case 3
              fgRoom.ColWidth(i) = 700  '设定列宽
              fgRoom.Text = "房间价格"
           Case 4
              fgRoom.ColWidth(i) = 700  '设定列宽
              fgRoom.Text = "已入住"
           Case 5
              fgRoom.ColWidth(i) = 1000  '设定列宽
              fgRoom.Text = "备注"
        End Select
           
    Next i
       
       
    'rs.MoveFirst
    
    i = 1
    
    While (Not rs.EOF)
    
       fgRoom.Row = i
       For j = 0 To fgRoom.Cols - 1
       
        fgRoom.Col = j '设置当前为列为第j列
        fgRoom.CellAlignment = 4  '每列内容居中显示
    
        
        Select Case j
            Case 0
               fgRoom.Text = "" & i
            Case 1
               fgRoom.Text = rs.Fields("roomNO")
            Case 2
               fgRoom.Text = rs.Fields("roomType")
            Case 3
               fgRoom.Text = rs.Fields("roomPrice")
            Case 4
               fgRoom.Text = rs.Fields("hasBooked")
            Case 5
               fgRoom.Text = rs.Fields("roomMemo")
        End Select
      Next j
    
        'Print rs.Fields("bookid"), rs.Fields("bookname")
        rs.MoveNext
        i = i + 1
    Wend
    fgRoom.Visible = True
    frmqueryRoom.Height = 5280

End If

rs.Close

End Sub

Private Sub Command1_Click()
Unload Me

End Sub

Private Sub Form_Load()
    Dim rstType As ADODB.Recordset
    Dim rstRoom As ADODB.Recordset

    '窗体居中显示
    Me.Top = (Screen.Height - Me.Height) \ 2
    Me.Left = (Screen.Width - Me.Width) \ 2

    
    '初始化房间信息
    sqlStr = "select roomNo from roomInfo"
    Set rstRoom = ExecuteSQL(sqlStr, msgText)
    
    If Not rstRoom.EOF Then
        
            Do While Not rstRoom.EOF
                cboRoom.AddItem Trim(rstRoom.Fields(0))
                rstRoom.MoveNext
            Loop
            cboRoom.ListIndex = 0
        
    Else
        MsgBox "没有任何房间信息！", vbOKOnly + vbExclamation, "警告"
        Exit Sub
    End If
    rstRoom.Close

     '初始化房间类型
    sqlStr = "select DISTINCT typename from roomtype"
    Set rstType = ExecuteSQL(sqlStr, msgText)
   
    If Not rstType.EOF Then
        
            Do While Not rstType.EOF
                cboType.AddItem Trim(rstType.Fields(0))
                rstType.MoveNext
            Loop
            cboType.ListIndex = 0
        
    Else
        MsgBox "请添加客房类型！", vbOKOnly + vbExclamation, "警告"
        Exit Sub
    End If
    rstType.Close
    
    '窗体居中显示

    Me.Top = (Screen.Height - Me.Height) \ 2
    Me.Left = (Screen.Width - Me.Width) \ 2


End Sub

Private Sub optQueryType_Click(Index As Integer)
If Index = 1 Then
Frame2.Enabled = True
optCondition(0).Enabled = True
optCondition(1).Enabled = True
cboRoom.Enabled = True
cboType.Enabled = True
Else
optCondition(0).Enabled = False
optCondition(1).Enabled = False
Frame2.Enabled = False
cboRoom.Enabled = False
cboType.Enabled = False
End If
End Sub