Option Explicit
Private RCommands As Recordset
Private RCustomers As Recordset
Private RCust As Recordset
Private sCustListCommand As String
Private Const dataURL = "http://localhost/XHTTPRequest/getData.asp"
Private arrCustomerIDs() As String
Private Enum ActionEnum
VIEW_HISTORY = 0
VIEW_RECENT_PRODUCT = 1
End Enum
Private Sub dgCustomers_Click()
Dim CustomerID As String
CustomerID = RCustomers("CustomerID").Value
If CustomerID ＜＞ "" Then
If optAction(VIEW_HISTORY).Value Then
Call getCustomerDetail(CustomerID)
Else
Call getRecentProduct(CustomerID)
End If
End If
End Sub
Private Sub Form_Load()
Call initialize
Call getCustomerList
End Sub
Sub initialize()
' 从数据库前往号令名和响应的值
Dim sXML As String
Dim vRet As Variant
Dim F As Field
sXML = "＜?xml version=""1.0""?＞"
sXML = sXML & "＜command＞＜commandtext＞Initialize＜/commandtext＞"
sXML = sXML & "＜returnsdata＞True＜/returnsdata＞"
sXML = sXML & "＜/command＞"
Set RCommands = getRecordset(sXML)
Do While Not RCommands.EOF
For Each F In RCommands.Fields
Debug.Print F.Name & "=" & F.Value
Next
RCommands.MoveNext
Loop
End Sub
Function getCommandXML(command_name As String) As String
RCommands.MoveFirst
RCommands.Find "command_name='" & command_name & "'", , adSearchForward, 1
If RCommands.EOF Then
MsgBox "Cannot find any command associated with the name '" & command_name & "'."
Exit Function
Else
getCommandXML = RCommands("command_xml")
End If
End Function
Sub getRecentProduct(CustomerID As String)
Dim sXML As String
Dim xml As DOMDocument
Dim N As IXMLDOMNode
Dim productName As String
sXML = getCommandXML("RecentPurchaseByCustomerID")
Set xml = New DOMDocument
xml.loadXML sXML
Set N = xml.selectSingleNode("command/param[name='CustomerID']/value")
N.Text = CustomerID
Set xml = executeSPWithReturn(xml.xml)
productName = xml.selectSingleNode("values/ProductName").Text
' 显示text域
txtResult.Text = ""
Me.txtResult.Visible = True
dgResult.Visible = False
' 显示product名
txtResult.Text = "比来的产物是: " & productName
End Sub
Sub getCustomerList()
Dim sXML As String
Dim i As Integer
Dim s As String
sXML = getCommandXML("getCustomerList")
Set RCustomers = getRecordset(sXML)
Set dgCustomers.DataSource = RCustomers
End Sub
Sub getCustomerDetail(CustomerID As String)
' 找出列表中相干联的ID号
Dim sXML As String
Dim R As Recordset
Dim F As Field
Dim s As String
Dim N As IXMLDOMNode
Dim xml As DOMDocument
sXML = getCommandXML("CustOrderHist")
Set xml = New DOMDocument
xml.loadXML sXML
Set N = xml.selectSingleNode("command/param[name='CustomerID']/value")
N.Text = CustomerID
Set R = getRecordset(xml.xml)
' 埋没 text , 由于它是一个纪录集
txtResult.Visible = False
dgResult.Visible = True
Set dgResult.DataSource = R
End Sub
Function getRecordset(sXML As String) As Recordset
Dim R As Recordset
Dim xml As DOMDocument
Set xml = getData(sXML)
Debug.Print TypeName(xml)
On Error Resume Next
Set R = New Recordset
R.Open xml
If Err.Number ＜＞ 0 Then
MsgBox Err.Description
Exit Function
Else
Set getRecordset = R
End If
End Function
Function executeSPWithReturn(sXML As String) As DOMDocument
Dim d As New Dictionary
Dim xml As DOMDocument
Dim nodes As IXMLDOMNodeList
Dim N As IXMLDOMNode
Set xml = getData(sXML)
If xml.documentElement.nodeName = "values" Then
Set executeSPWithReturn = xml
Else
'产生毛病
Set N = xml.selectSingleNode("response/data")
If Not N Is Nothing Then
MsgBox N.Text
Exit Function
Else
MsgBox xml.xml
Exit Function
End If
End If
End Function
Function getData(sXML As String) As DOMDocument
Dim xhttp As New XMLHTTP30
xhttp.Open "POST", dataURL, False
xhttp.send sXML
Debug.Print xhttp.responseText
Set getData = xhttp.responseXML
End Function
Private Sub optAction_Click(Index As Integer)
Call dgCustomers_Click
End Sub