?? ccooperates.cls
字號(hào):
VERSION 1.0 CLASS
BEGIN
MultiUse = -1 'True
Persistable = 0 'NotPersistable
DataBindingBehavior = 0 'vbNone
DataSourceBehavior = 0 'vbNone
MTSTransactionMode = 0 'NotAnMTSObject
END
Attribute VB_Name = "CCooperates"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = True
Attribute VB_PredeclaredId = False
Attribute VB_Exposed = True
Option Explicit
Private mCol As Collection
'往集合中加入一個(gè)“合作信息”對(duì)象
Public Sub Add(objCoop As CCooperate)
mCol.Add objCoop, "A" & objCoop.ID
'在加入對(duì)象是,最好同時(shí)加入其“KEY”屬性
'“KEY”屬性不可以是數(shù)字型,因此在前面隨便加
'一個(gè)字母,此處加了一個(gè)“A”
End Sub
Public Property Get Item(vntIndexKey As Variant) As CCooperate
Set Item = mCol(vntIndexKey)
End Property
Public Property Get Count() As Long
Count = mCol.Count
End Property
Public Sub Remove(vntIndexKey As Variant)
mCol.Remove vntIndexKey
End Sub
Public Property Get NewEnum() As IUnknown
'本屬性允許用 For...Each 語(yǔ)法枚舉該集合。
Set NewEnum = mCol.[_NewEnum]
End Property
'清除集合中的全部元素
Public Sub Clear()
'注意!在清除時(shí)必須倒序清除,否則要出錯(cuò)!
Dim i As Long
For i = mCol.Count To 1 Step -1
mCol.Remove i
Next i
End Sub
Private Sub Class_Initialize()
Set mCol = New Collection
End Sub
Private Sub Class_Terminate()
Set mCol = Nothing
End Sub
'按條件查找合作信息,以集合類(lèi)的方式返回
Public Function Find(Optional ByVal lngID As Long = 0, _
Optional ByVal lngClientId As Long = 0) As CCooperates
'構(gòu)造查詢(xún)SQL
Dim strSQL As String
strSQL = "SELECT * FROM Cooperate WHERE "
If lngID <> 0 Then strSQL = strSQL & " CooperateId=" & lngID & " and "
'如果是按名稱(chēng)查詢(xún),則采用“包含”的查詢(xún)方法
If lngClientId <> 0 Then strSQL = strSQL & "ClientId=" & lngClientId & " and "
strSQL = strSQL & "CooperateId>0"
On Error Resume Next
'將查詢(xún)結(jié)果加入集合類(lèi)
Dim rs As Recordset
Set rs = g_Conn.Execute(strSQL)
Dim i As Long
Dim objCoop As CCooperate
For i = 1 To rs.RecordCount
Set objCoop = New CCooperate
With objCoop
.ID = rs("CooperateId").Value
.ClientID = rs("ClientId").Value
.Remark = Trim(rs("Remark").Value)
.CooperateDate = rs("Date").Value
.Satisfaction = rs("Satisfaction").Value
End With
Me.Add objCoop
Set objCoop = Nothing
rs.MoveNext
Next i
Set rs = Nothing
Set Find = Me
End Function
?? 快捷鍵說(shuō)明
復(fù)制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號(hào)
Ctrl + =
減小字號(hào)
Ctrl + -