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📄 frmqueryacc.frm

📁 数据库课程设计
💻 FRM
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VERSION 5.00
Object = "{5E9E78A0-531B-11CF-91F6-C2863C385E30}#1.0#0"; "msflxgrd.ocx"
Begin VB.Form frmQueryAcc 
   Caption         =   "配件查询"
   ClientHeight    =   4650
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   6840
   LinkTopic       =   "Form1"
   ScaleHeight     =   4650
   ScaleWidth      =   6840
   StartUpPosition =   3  'Windows Default
   Begin MSFlexGridLib.MSFlexGrid fgAccs 
      Height          =   2295
      Left            =   120
      TabIndex        =   12
      Top             =   2280
      Width           =   6615
      _ExtentX        =   11668
      _ExtentY        =   4048
      _Version        =   393216
   End
   Begin VB.CommandButton cmdCancel 
      Caption         =   "返回(&C)"
      Height          =   375
      Left            =   3480
      TabIndex        =   11
      Top             =   1800
      Width           =   1455
   End
   Begin VB.CommandButton cmdQuery 
      Caption         =   "查询(&Q)"
      Height          =   375
      Left            =   1560
      TabIndex        =   10
      Top             =   1800
      Width           =   1455
   End
   Begin VB.Frame Frame1 
      Caption         =   "查询方式"
      Height          =   1575
      Left            =   120
      TabIndex        =   0
      Top             =   120
      Width           =   6615
      Begin VB.ComboBox cboProducer 
         Height          =   315
         Left            =   4800
         TabIndex        =   13
         Text            =   " "
         Top             =   360
         Width           =   1575
      End
      Begin VB.TextBox txtNumber 
         Height          =   285
         Left            =   2160
         TabIndex        =   9
         Text            =   " "
         Top             =   1080
         Width           =   735
      End
      Begin VB.ComboBox cboOperator 
         Height          =   315
         Left            =   1320
         TabIndex        =   8
         Text            =   " "
         Top             =   1080
         Width           =   855
      End
      Begin VB.TextBox txtNo 
         Height          =   285
         Left            =   1320
         TabIndex        =   7
         Text            =   " "
         Top             =   720
         Width           =   1575
      End
      Begin VB.TextBox txtName 
         Height          =   285
         Left            =   1320
         TabIndex        =   6
         Text            =   " "
         Top             =   360
         Width           =   1575
      End
      Begin VB.OptionButton optQueryAcc 
         Caption         =   "全部配件"
         Height          =   255
         Index           =   4
         Left            =   3120
         TabIndex        =   5
         Top             =   720
         Width           =   1575
      End
      Begin VB.OptionButton optQueryAcc 
         Caption         =   "按配件数量"
         Height          =   255
         Index           =   2
         Left            =   120
         TabIndex        =   4
         Top             =   1080
         Width           =   1215
      End
      Begin VB.OptionButton optQueryAcc 
         Caption         =   "按生产厂家查询"
         Height          =   255
         Index           =   3
         Left            =   3120
         TabIndex        =   3
         Top             =   360
         Width           =   1575
      End
      Begin VB.OptionButton optQueryAcc 
         Caption         =   "按配件编号"
         Height          =   255
         Index           =   1
         Left            =   120
         TabIndex        =   2
         Top             =   720
         Width           =   1575
      End
      Begin VB.OptionButton optQueryAcc 
         Caption         =   "按配件名称"
         Height          =   495
         Index           =   0
         Left            =   120
         TabIndex        =   1
         Top             =   240
         Width           =   1575
      End
   End
End
Attribute VB_Name = "frmQueryAcc"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit

Public sqlStr As String
Public msgText As String

Private Sub cboOperator_Click()
optQueryAcc(2).Value = True
End Sub

Private Sub cboProducer_Click()
optQueryAcc(3).Value = True
End Sub

Private Sub cmdCancel_Click()
Unload Me

End Sub

Private Sub cmdQuery_Click()
queryAccs
End Sub

Sub queryAccs()
    Dim rs As ADODB.Recordset
    Dim i As Integer
    Dim j As Integer
    
    If optQueryAcc(0).Value = True Then
        If txtName.Text = "" Then
            MsgBox "请输入配件名称!!"
            Exit Sub
        Else
         sqlStr = "select * from accessories" _
                & " where accName LIKE '%" & txtName.Text & "%'"
        End If
    End If
    If optQueryAcc(1).Value = True Then
         sqlStr = "select * from accessories" _
                & " where accNo='" & txtNo.Text & "'"
    End If
    
    If optQueryAcc(2).Value = True Then
         sqlStr = "select * from accessories where" _
                & " accStock" & cboOperator.Text & txtNumber.Text
    End If
    
    If optQueryAcc(3).Value = True Then
         sqlStr = "select * from accessories where" _
                & " producer='" & cboProducer.Text & "'"
    End If
            
    If optQueryAcc(4).Value = True Then
         sqlStr = "select * from accessories"
    End If
    
    Set rs = ExecuteSQL(sqlStr, msgText)
    
    If rs.RecordCount = 0 Then
    
        MsgBox "没有查找满足条件的数据!", vbExclamation, "提示"
        fgAccs.Rows = 1
       
    Else
        
        fgAccs.Rows = rs.RecordCount + 1
        
        fgAccs.Cols = 7
        
        '设定行高
        For i = 0 To fgAccs.Rows - 1
           fgAccs.RowHeight(i) = 280
        Next i
        
        '设定列的属性
        fgAccs.Row = 0
        
        For i = 0 To fgAccs.Cols - 1
           fgAccs.Col = i  '指定当前列为第i列
           fgAccs.FixedAlignment(i) = 4  '每列内容居中显示
           Select Case i
               Case 0
                  fgAccs.ColWidth(i) = 600  '设定列宽
                  fgAccs.Text = "序号"
               Case 1
                  fgAccs.ColWidth(i) = 1100  '设定列宽
                  fgAccs.Text = "配件编号"
               Case 2
                  fgAccs.ColWidth(i) = 2000  '设定列宽
                  fgAccs.Text = "配件名称"
               Case 3
                  fgAccs.ColWidth(i) = 700  '设定列宽
                  fgAccs.Text = "价格"
               Case 4
                  fgAccs.ColWidth(i) = 700  '设定列宽
                  fgAccs.Text = "库存量"
               Case 5
                  fgAccs.ColWidth(i) = 1500  '设定列宽
                  fgAccs.Text = "生产厂家"
               Case 6
                  fgAccs.ColWidth(i) = 1000  '设定列宽
                  fgAccs.Text = "备注"
            End Select
               
        Next i
           
           
        'rs.MoveFirst
        
        i = 1
        
        While (Not rs.EOF)
        
           fgAccs.Row = i
           For j = 0 To fgAccs.Cols - 1
           
            fgAccs.Col = j '设置当前为列为第j列
            fgAccs.CellAlignment = 4  '每列内容居中显示
        
            
            Select Case j
               Case 0
                  fgAccs.Text = "" & i
               Case 1
                  fgAccs.Text = rs.Fields("accNo")
               Case 2
                  fgAccs.Text = rs.Fields("accName")
               Case 3
                  fgAccs.Text = rs.Fields("accPrice")
               Case 4
                  fgAccs.Text = rs.Fields("accStock")
               Case 5
                  fgAccs.Text = rs.Fields("producer")
               Case 5
                  fgAccs.Text = rs.Fields("memo")
            End Select
          Next j
        
            rs.MoveNext
            i = i + 1
        Wend
    
    End If
    
    rs.Close

End Sub


Private Sub Form_Load()

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

'初始化条件运算符组合列表框
cboOperator.Clear
cboOperator.AddItem ">"
cboOperator.AddItem "="
cboOperator.AddItem "<"

'清空文本框
txtName = ""
txtNo = ""
txtNumber = ""

'获取配件厂商名称并添加到组合列表框中
initProducer

End Sub

Sub initProducer()

Dim rstProducer As ADODB.Recordset

    '从配件表中读取所有厂商名称并添加到组合列表框中
    sqlStr = "select distinct producer from accessories"
    Set rstProducer = ExecuteSQL(sqlStr, msgText)
    cboProducer.Clear
    
    If Not rstProducer.EOF Then
        
            Do While Not rstProducer.EOF
                cboProducer.AddItem Trim(rstProducer.Fields(0))
                rstProducer.MoveNext
            Loop
            cboProducer.ListIndex = 0
        
    Else
        MsgBox "没有找到相关信息,请添加!", vbOKOnly + vbExclamation, "警告"
        
        Exit Sub
    End If
    rstProducer.Close

End Sub

Private Sub txtName_Click()
optQueryAcc(0).Value = True
End Sub

Private Sub txtNo_Click()
optQueryAcc(1).Value = True

End Sub

Private Sub txtNumber_Click()
optQueryAcc(2).Value = True
End Sub

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