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📄 frmquery.frm

📁 基于VB6的组合查询系统的开发
💻 FRM
字号:
VERSION 5.00
Object = "{831FDD16-0C5C-11D2-A9FC-0000F8754DA1}#2.0#0"; "mscomctl.ocx"
Begin VB.Form frmQuery 
   BorderStyle     =   3  'Fixed Dialog
   Caption         =   "通用查询   .  .  ."
   ClientHeight    =   5700
   ClientLeft      =   45
   ClientTop       =   330
   ClientWidth     =   8205
   ControlBox      =   0   'False
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   5700
   ScaleWidth      =   8205
   ShowInTaskbar   =   0   'False
   StartUpPosition =   2  '屏幕中心
   WhatsThisButton =   -1  'True
   WhatsThisHelp   =   -1  'True
   Begin VB.TextBox txtWhere 
      Height          =   375
      Left            =   480
      TabIndex        =   22
      Top             =   5040
      Visible         =   0   'False
      Width           =   1695
   End
   Begin VB.CommandButton Command3 
      Cancel          =   -1  'True
      Caption         =   "取消(&C)"
      Height          =   375
      Left            =   6000
      TabIndex        =   17
      Top             =   5160
      Width           =   1335
   End
   Begin VB.PictureBox Picture1 
      Appearance      =   0  'Flat
      BackColor       =   &H80000004&
      BorderStyle     =   0  'None
      ForeColor       =   &H80000008&
      Height          =   495
      Left            =   960
      ScaleHeight     =   495
      ScaleWidth      =   5895
      TabIndex        =   15
      Top             =   480
      Width           =   5895
      Begin VB.Label Label1 
         Caption         =   "选择查找记录的条件"
         Height          =   375
         Left            =   240
         TabIndex        =   16
         Top             =   120
         Width           =   4095
      End
   End
   Begin VB.Frame Frame1 
      Height          =   135
      Left            =   240
      TabIndex        =   13
      Top             =   960
      Width           =   7575
   End
   Begin VB.PictureBox Picture2 
      Appearance      =   0  'Flat
      BackColor       =   &H80000004&
      BorderStyle     =   0  'None
      ForeColor       =   &H80000008&
      Height          =   495
      Left            =   360
      Picture         =   "frmQuery.frx":0000
      ScaleHeight     =   495
      ScaleWidth      =   615
      TabIndex        =   12
      Top             =   480
      Width           =   615
   End
   Begin VB.PictureBox picFind 
      Appearance      =   0  'Flat
      BackColor       =   &H80000004&
      BorderStyle     =   0  'None
      ForeColor       =   &H80000008&
      Height          =   3615
      Left            =   360
      ScaleHeight     =   3615
      ScaleWidth      =   7575
      TabIndex        =   2
      Top             =   1200
      Width           =   7575
      Begin VB.CommandButton Command4 
         Caption         =   "删除所有条件"
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   9
            Charset         =   0
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   375
         Left            =   3240
         TabIndex        =   21
         ToolTipText     =   "从查询条件列表删除所有项"
         Top             =   1920
         Width           =   1455
      End
      Begin VB.CommandButton Command2 
         Caption         =   "或者"
         Height          =   375
         Left            =   3240
         TabIndex        =   10
         ToolTipText     =   "向查询条件列表增加 Or 标记"
         Top             =   2880
         Width           =   1455
      End
      Begin VB.TextBox txtZhi 
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   10.5
            Charset         =   134
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         ForeColor       =   &H000000FF&
         Height          =   330
         Left            =   3240
         TabIndex        =   9
         Top             =   360
         Width           =   1215
      End
      Begin VB.CommandButton cmdJian 
         Caption         =   "删除一个条件"
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   9
            Charset         =   0
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   375
         Left            =   3240
         TabIndex        =   8
         ToolTipText     =   "从查询条件列表删除一项"
         Top             =   1440
         Width           =   1455
      End
      Begin VB.CommandButton cmdTian 
         Caption         =   "增加一个条件"
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   9
            Charset         =   0
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   375
         Left            =   3240
         TabIndex        =   7
         ToolTipText     =   "向查询条件列表增加一项"
         Top             =   960
         Width           =   1455
      End
      Begin VB.ListBox lstFuhao 
         ForeColor       =   &H00FF0000&
         Height          =   3120
         Left            =   2040
         TabIndex        =   6
         Top             =   360
         Width           =   975
      End
      Begin VB.ListBox lstFields 
         ForeColor       =   &H00FF0000&
         Height          =   3120
         Left            =   120
         TabIndex        =   5
         Top             =   360
         Width           =   1815
      End
      Begin VB.CommandButton Command1 
         Caption         =   "并且"
         Height          =   375
         Left            =   3240
         TabIndex        =   4
         ToolTipText     =   "向查询条件列表增加 And 标记"
         Top             =   2400
         Width           =   1455
      End
      Begin VB.ListBox lstList 
         ForeColor       =   &H00FF0000&
         Height          =   3120
         Left            =   4800
         TabIndex        =   3
         Top             =   360
         Width           =   2535
      End
      Begin VB.Label Label4 
         Caption         =   "查询条件列表"
         Height          =   255
         Left            =   4800
         TabIndex        =   20
         Top             =   120
         Width           =   1335
      End
      Begin VB.Label Label3 
         Caption         =   "条件符号"
         Height          =   255
         Left            =   2040
         TabIndex        =   19
         Top             =   120
         Width           =   735
      End
      Begin VB.Label Label2 
         Caption         =   "字段列表"
         Height          =   255
         Left            =   120
         TabIndex        =   18
         Top             =   120
         Width           =   1215
      End
      Begin VB.Label Label18 
         BackStyle       =   0  'Transparent
         Caption         =   "输入查找的值"
         Height          =   255
         Left            =   3240
         TabIndex        =   11
         Top             =   120
         Width           =   1095
      End
   End
   Begin MSComctlLib.TabStrip TabStrip1 
      Height          =   4815
      Left            =   120
      TabIndex        =   1
      Top             =   120
      Width           =   7935
      _ExtentX        =   13996
      _ExtentY        =   8493
      _Version        =   393216
      BeginProperty Tabs {1EFB6598-857C-11D1-B16A-00C0F0283628} 
         NumTabs         =   1
         BeginProperty Tab1 {1EFB659A-857C-11D1-B16A-00C0F0283628} 
            Caption         =   "通用查询"
            ImageVarType    =   2
         EndProperty
      EndProperty
   End
   Begin VB.CommandButton cmdOK 
      Caption         =   "确定(&O)"
      Height          =   375
      Left            =   4560
      TabIndex        =   0
      Top             =   5160
      Width           =   1335
   End
   Begin VB.Label Label9 
      Caption         =   "输入材料档案的 各个信息"
      Height          =   255
      Left            =   1080
      TabIndex        =   14
      Top             =   480
      Width           =   2775
   End
End
Attribute VB_Name = "frmQuery"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False



Private Sub cmdJian_Click()
   With lstList
        For i = 0 To .ListCount - 1
            If .Selected(i) Then
               .RemoveItem (i)
               Exit Sub
            End If
        Next
   End With

End Sub

Private Sub cmdOK_Click()
    
  If lstList.ListCount < 1 Then
     txtWhere.Text = "":
 
     Me.Hide: Exit Sub
  End If
  Dim i As Integer: Dim strFind As String
  If lstList.List(0) = "And" Or lstList.List(0) = "Or" Then
     MsgBox "请删除查询条件列表第一项的 And 或 Or 标记!", vbExclamation
     Exit Sub
  End If
  With lstList
       For i = 1 To .ListCount - 1
           If i Mod 2 <> 0 Then
              Dim pass As Boolean: pass = False
              If .List(i) = "And" Then pass = True: If .List(i) = "Or" Then pass = True
              If Not pass Then
                 MsgBox "查询条件列表中第" & (i + 1) & "项需要And 或 Or标记!", vbExclamation, "通用查询"
                 Exit Sub: End If:   End If: Next
  End With
  If lstList.List(lstList.ListCount - 1) = "And" Or lstList.List(lstList.ListCount - 1) = "Or" Then
     MsgBox "请删除查询条件列表最后一项的 And 或 Or 标记!", vbExclamation, "通用查询"
     Exit Sub
  End If
  With lstList
       For i = 1 To .ListCount
           strFind = Space(1) & strFind & .List(i - 1) & Space(1)
       Next
  End With
  strFind = "where " & strFind: txtWhere.Text = Trim(strFind): Me.Hide

End Sub
 
Private Sub cmdTian_Click()
  If lstFields.SelCount = 0 Then
     MsgBox "没有选择要查找的字段!", vbExclamation, "WHMIS"
     Exit Sub
  End If
  If lstFuhao.SelCount = 0 Then
     MsgBox "没有选择条件符号!", vbExclamation, "WHMIS"
     Exit Sub
  End If
  If txtZhi.Text = "" Then
     MsgBox "没有输入要查找的值!", vbExclamation, "WHMIS"
     Exit Sub
  End If
  
  Dim ZiDuan As String
  Dim FuHao As String
  Dim Zhi As String
  Dim i As Integer
  
  With lstFields
       For i = 1 To .ListCount
           If .Selected(i - 1) Then
              ZiDuan = .List(i - 1)
              Exit For
           End If
       Next
  End With
  
  With lstFuhao
       For i = 1 To .ListCount
           If .Selected(i - 1) Then
              FuHao = .List(i - 1)
              Exit For
           End If
       Next
  End With
  
  Zhi = Trim(txtZhi)
  If Trim(FuHao) = "Like" Then Zhi = "%" & Zhi & "%"
    
  For i = 0 To lstList.ListCount - 1
      If lstList.Selected(i) Then
         lstList.AddItem ZiDuan & Space(1) & FuHao & Space(1) & "'" & Zhi & "'", i + 1
         Exit Sub
      End If
  Next
  
  lstList.AddItem ZiDuan & Space(1) & FuHao & Space(1) & "'" & Zhi & "'"
End Sub

Private Sub Command1_Click()
  Dim i As Integer
  
  For i = 0 To lstList.ListCount - 1
      If lstList.Selected(i) Then
         lstList.AddItem "And", i + 1
         Exit Sub
      End If
  Next
  
  lstList.AddItem "And"
End Sub

Private Sub Command2_Click()
  Dim i As Integer
  
  For i = 0 To lstList.ListCount - 1
      If lstList.Selected(i) Then
         lstList.AddItem "Or", i + 1
         Exit Sub
      End If
  Next
  
  lstList.AddItem "Or"
End Sub


Private Sub Command3_Click()
  CancelQuery = True
  Unload Me
End Sub

Private Sub Command4_Click()
  lstList.Clear
End Sub

Private Sub Form_Load()
  Set Me.Icon = Nothing
  With lstFuhao
       .AddItem ">"
       .AddItem ">="
       .AddItem "<"
       .AddItem "<="
       .AddItem "="
       .AddItem "Like"
  End With
  CancelQuery = False
End Sub

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