我试图用谷歌地图API定义2点之间的驾驶距离。它返回一个我加载到XMLDOM对象中的XML。然而,我似乎无法找到任何地方,我可以如何获得儿童内儿童的价值......我已阅读微软教程,但并未显示如何从XML中检索值。经典的ASP读取XML值
一个例子XML是:
<DistanceMatrixResponse>
<status>OK</status>
<origin_address>Gentsesteenweg 5, 9200 Dendermonde, België</origin_address>
<destination_address>Veerstraat 39, 9200 Dendermonde, België</destination_address>
<row>
<element>
<status>OK</status>
<duration>
<value>117</value>
<text>2 min.</text>
</duration>
<distance>
<value>1061</value>
<text>1,1 km</text>
</distance>
</element>
</row>
</DistanceMatrixResponse>
我的代码的部分是:
Set XmlObj = Server.CreateObject("Microsoft.XMLHTTP")
strURL = "http://maps.googleapis.com/maps/api/distancematrix/xml?origins=" & dblFromLatitude & "+" & dblFromLongitude & "&destinations=" & dblToLatitude & "+" & dblToLongitude & "&mode=driving&language=" & strLanguage & "&sensor=false"
'DebugFile strURL
XmlObj.Open "POST", strURL, false
XmlObj.send
strResponse = XmlObj.responseText
Set XmlObj = Nothing
Set xmlLongLat = Server.CreateObject("Microsoft.XMLDOM")
xmlLongLat.async=false
xmlLongLat.loadXML(strResponse)
If Not xmlLongLat.GetElementsByTagName("DistanceMatrixResponse")(0).ChildNodes(0).GetElementsByTagName("row")(0).ChildNodes(0).GetElementsByTagName("element")(0).ChildNodes(0).GetElementsByTagName("distance")(0).ChildNodes(0) Is Nothing Then
dblDrivingDistance = Round(CDbl(Nz(xxmlLongLat.GetElementsByTagName("DistanceMatrixResponse")(0).ChildNodes(0).GetElementsByTagName("row")(0).ChildNodes(0).GetElementsByTagName("element")(0).ChildNodes(0).GetElementsByTagName("distance")(0).ChildNodes(0).NodeValue, 0))/1000,2)
Else 'xmlLongLat.GetElementsByTagName("element")(0) Is Nothing Then
dblDrivingDistance = 0
DebugFile "fgfzefzef"
End If 'xmlLongLat.GetElementsByTagName("element")(0) Is Nothing Then
Set xmlLongLat = Nothing
我想要得到的“价值”的“距离”,但我不觉得是公正尽管尝试过一切
您是否已经尝试过“分步”方法?为什么不把响应存储到变量中? – reporter