--回答,见下文--
如何从必应路由 API 响应访问和回显行驶距离量?
有许多关于 XML 的教程:http://www.php.net/manual/en/simplexml.examples-basic.php
下面是响应的示例(行进距离接近底部(:https://msdn.microsoft.com/en-us/library/gg636957.aspx
下面是调用响应和检索行驶距离的代码示例。
$calculateURL = $drivingRoutesBaseURL."?wayPoint.1=".$waypoint1."&wayPoint.2=".$waypoint2."&output=xml&key=".$bingKey;
发送请求 从位置 API 获取响应并将其存储在字符串中
$output = file_get_contents($calculateURL);
基于 XML 字符串创建一个 XML 元素,
$response = new SimpleXMLElement($output);
从响应中获取行进距离元素
$travelDistance = $response->ResourceSets->ResourceSet->Resources->Route->TravelDistance;
echo $travelDistance;
此行返回具有行进距离的对象。
$travelDistance = $response->ResourceSets->ResourceSet->Resources->Route->TravelDistance;
echo $travelDistance;