queryevent.frm

感觉还可以了 大家看看 指点下 有什么不足的地方,大家多多指教啊

VERSION 5.00
Object = "{86CF1D34-0C5F-11D2-A9FC-0000F8754DA1}#2.0#0"; "MSCOMCT2.OCX"
Begin VB.Form QueryEvent 
   Caption         =   "查询"
   ClientHeight    =   4545
   ClientLeft      =   60
   ClientTop       =   450
   ClientWidth     =   3765
   LinkTopic       =   "Form1"
   ScaleHeight     =   4545
   ScaleWidth      =   3765
   StartUpPosition =   3  'Windows Default
   Begin VB.Frame Frame1 
      Caption         =   "查询考勤记录【忽略的字段留空】"
      Height          =   4335
      Left            =   120
      TabIndex        =   0
      Top             =   120
      Width           =   3495
      Begin VB.CheckBox Check1 
         Caption         =   "不限定日期"
         Height          =   255
         Left            =   1800
         TabIndex        =   9
         Top             =   1920
         Width           =   1335
      End
      Begin VB.CommandButton Command2 
         Cancel          =   -1  'True
         Caption         =   "取消"
         Height          =   495
         Left            =   240
         TabIndex        =   7
         Top             =   3600
         Width           =   3015
      End
      Begin VB.CommandButton Command1 
         Caption         =   "查询"
         Default         =   -1  'True
         Height          =   495
         Left            =   240
         TabIndex        =   6
         Top             =   3000
         Width           =   3015
      End
      Begin VB.ComboBox TypeCombo 
         Height          =   300
         Left            =   240
         TabIndex        =   5
         Top             =   2520
         Width           =   3015
      End
      Begin MSComCtl2.DTPicker DTPicker1 
         Height          =   375
         Left            =   240
         TabIndex        =   3
         Top             =   1440
         Width           =   3015
         _ExtentX        =   5318
         _ExtentY        =   661
         _Version        =   393216
         Format          =   662831105
         CurrentDate     =   38011
      End
      Begin VB.TextBox User 
         Appearance      =   0  'Flat
         Height          =   270
         Left            =   240
         TabIndex        =   1
         Top             =   600
         Width           =   3015
      End
      Begin VB.Label Label4 
         Caption         =   "考勤类别"
         Height          =   255
         Left            =   240
         TabIndex        =   8
         Top             =   2280
         Width           =   1455
      End
      Begin VB.Label Label3 
         Caption         =   "考勤记录时间"
         Height          =   255
         Left            =   240
         TabIndex        =   4
         Top             =   1200
         Width           =   1575
      End
      Begin VB.Label Label1 
         Caption         =   "员工ID号"
         Height          =   255
         Left            =   240
         TabIndex        =   2
         Top             =   360
         Width           =   1455
      End
   End
End
Attribute VB_Name = "QueryEvent"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit

Private Sub Check1_Click()
    If Check1.Value Then        '设置是否把日期作为搜索条件
        DTPicker1.Enabled = False
    Else
        DTPicker1.Enabled = True
    End If
End Sub

Private Sub Command1_Click()
    Dim sql As String
    Dim rs As New ADODB.Recordset
    Dim i As Integer
    Dim rsFilter As String
    Dim FilterEmpty As Boolean
    Dim resultcount As Long
    
    If DbHandle.DbConnection Then       '考勤记录查询
        sql = "SELECT WORK_ID,WORK_DATE,WORK_TIME,TYPE_NAME FROM TBL_WORK,TBL_TYPE WHERE "
        rs.CursorType = adOpenDynamic
        rs.LockType = adLockOptimistic
        FilterEmpty = True     '设置查询条件为"空"
        rsFilter = ""
        If User.Text <> "" Then       '判断每个输入控件,如果用户改动就构造搜索条件字符串
            If FilterEmpty Then
                rsFilter = "WORK_ID='" & User.Text & "'"
            Else
                rsFilter = rsFilter & " AND WORK_ID='" & User.Text & "'"
            End If
            FilterEmpty = False
        End If
        If DTPicker1.Enabled Then
            If FilterEmpty Then
                rsFilter = "WORK_DATE='" & DTPicker1.Value & "'"
            Else
                rsFilter = rsFilter & " AND WORK_DATE='" & DTPicker1.Value & "'"
            End If
            FilterEmpty = False
        End If
        If TypeCombo.ListIndex <> -1 Then
            If FilterEmpty Then
                rsFilter = "WORK_TYPE=" & Str(TypeCombo.ListIndex + 1)
            Else
                rsFilter = rsFilter & " AND WORK_TYPE=" & Trim(Str(TypeCombo.ListIndex + 1))
            End If
            FilterEmpty = False
        End If
        If rsFilter <> "" Then     '构造完整的SQL语句(静态语句+动态条件)
            sql = sql & "TYPE_ID = WORK_TYPE AND " & rsFilter
        Else
            sql = sql & "TYPE_ID = WORK_TYPE"
        End If
        
        rs.Open sql, DbFinance

        resultcount = DbHandle.resultcount(rs)
        QueryEvent2.Cls      '设置电子表格的列头
        QueryEvent2.MSFlexGrid1.Cols = 4
        QueryEvent2.MSFlexGrid1.Rows = resultcount + 1
        QueryEvent2.MSFlexGrid1.Row = 0
        QueryEvent2.MSFlexGrid1.Col = 0
        QueryEvent2.MSFlexGrid1.Text = "员工ID号"
        QueryEvent2.MSFlexGrid1.Col = 1
        QueryEvent2.MSFlexGrid1.Text = "考勤日期"
        QueryEvent2.MSFlexGrid1.Col = 2
        QueryEvent2.MSFlexGrid1.Text = "持续时间"
        QueryEvent2.MSFlexGrid1.Col = 3
        QueryEvent2.MSFlexGrid1.Text = "考勤类别"
        For i = 0 To 3     '平均分配每个列的宽
            QueryEvent2.MSFlexGrid1.ColWidth(i) = QueryEvent2.MSFlexGrid1.Width / 4 - 50
        Next i
        For i = 1 To resultcount    '循环将考勤记录信息放入电子表格
            QueryEvent2.MSFlexGrid1.Row = i
            QueryEvent2.MSFlexGrid1.Col = 0
            QueryEvent2.MSFlexGrid1.Text = rs("WORK_ID")
            QueryEvent2.MSFlexGrid1.Col = 1
            QueryEvent2.MSFlexGrid1.Text = rs("WORK_DATE")
            QueryEvent2.MSFlexGrid1.Col = 2
            QueryEvent2.MSFlexGrid1.Text = Trim(Str(rs("WORK_TIME")))
            QueryEvent2.MSFlexGrid1.Col = 3
            QueryEvent2.MSFlexGrid1.Text = rs("TYPE_NAME")
            rs.MoveNext
        Next i
        QueryEvent2.Show 1       '显示查询结构窗体
        rs.Close        '查询结束,释放资源
        DbHandle.DbClose
    Else        '数据库连接失败,退出
        MsgBox "数据库错误！", vbExclamation
        DbHandle.DbClose
        End
    End If
End Sub

Private Sub Command2_Click()
    Me.Hide       '返回主窗体
End Sub

Private Sub Form_Load()
    Dim sql As String
    Dim rs As New ADODB.Recordset
    
    Me.Left = (Screen.Width - Me.ScaleWidth) / 2        '窗体居中显示
    Me.Top = (Screen.Height - Me.ScaleHeight) / 2
    If DbHandle.DbConnection Then
        sql = "TBL_TYPE"     '把考勤类别表中所有静态记录提取出来
        rs.CursorType = adOpenDynamic
        rs.LockType = adLockOptimistic
        rs.Filter = ""
        rs.Open sql, DbFinance
        
        Do While rs.EOF = False    '循环加入下拉列表中去
            TypeCombo.AddItem (rs("TYPE_NAME"))
            TypeCombo.ItemData(TypeCombo.NewIndex) = rs("TYPE_ID")
            rs.MoveNext
        Loop
        rs.Close       '释放资源
        Set rs = Nothing
        DbHandle.DbClose
    Else        '数据库连接失败,退出
        MsgBox "数据库错误！", vbExclamation
        DbHandle.DbClose
        End
    End If
End Sub

Private Sub Form_Unload(Cancel As Integer)
    On Error Resume Next
    DbHandle.DbClose        '窗体关闭时关闭数据库连接
End Sub