根據上述接口,可以實現當微信公眾號接收到用戶的地理位置消息時,返回公交及自駕線路給用戶。其相關代碼如下。
1 private function receiveLocation($object) 2 { 3 $Pondbay = array("name" => "方倍工作室", "latitude" => "22.539394", "longitude" => "113.956246"); 4 5 $content = array("Title" =>"高德地圖為您導航", 6 "Description" =>"", 7 "PicUrl" =>"", 8 "Url" =>""); 9 $content = array("Title" =>"點擊圖片查看公交線路導航", 10 "Description" =>"", 11 "PicUrl" =>"http:// h.hiphotos.bdimg.com/wisegame/pic/item/ 1fd98d1001e9390186c2c97479ec54e737d196bc.jpg", 12 "Url" =>"http:// mo.amap.com/?from=".$object->Location_X.", ".$object->Location_Y."(".$object->Label.")&to=".$Pondbay ['latitude'].",".$Pondbay['longitude']."(".$Pondbay['name'].") &type=1&opt=0&dev=1"); 13 $content = array("Title" =>"點擊圖片查看駕車線路導航", 14 "Description" =>"", 15 "PicUrl" =>"http:// b.hiphotos.bdimg.com/wisegame/pic/ item/eeb1cb1349540923f48a42079058d109b2de49e3.jpg", 16 "Url" =>"http:// mo.amap.com/?from=".$object->Location_ X.",".$object->Location_Y."(".$object->Label.")&to=".$Pondbay ['latitude'].",".$Pondbay['longitude']."(".$Pondbay['name'].") &type=0&opt=1&dev=1"); 17 $result = $this->transmitNews($object, $content); 18 return $result; 19 }
上述代碼運行時,將返回一個多圖文消息,分別顯示標題、公交導航、駕車導航的消息。公交和駕車的圖文消息的鏈接為高德地圖的接口URL,接口中起始地址為用戶發送的地理位置,目的地址為已定義的坐標地址。該程序運行後,界面如圖24-7所示。
點擊公交線路和駕車線路導航後,高德地圖生成的線路規劃如圖24-8所示。
圖24-7 接收地理位置信息
圖24-8 公交線路和駕車線路規劃