kyle'sBlog: Google Map API - 計算兩地距離

2013年9月5日星期四

要估算兩地距離，使用者只要給Google Map API 兩地的地址，就可以輕易地取得計算後的距離。

	<html>
	<head>
	<title></title>
	</head>
	<body>
	<link href="https://developers.google.com/maps/documentation/javascript/examples/default.css"
	rel="stylesheet" />
	<script type="text/javascript" src="https://maps.googleapis.com/maps/api/js?v=3.exp&sensor=false&language=zh-TW"></script>

	<script type="text/javascript" src="http://code.jquery.com/jquery-1.9.1.js"></script>
	<script type="text/javascript">


	$(function () {
	Distance();
	});
	function Distance() {
	var start = "高雄市鳳山區光遠路226號";
	var end = "屏東市廣東路100號";
	var request = {
	origin: start,
	destination: end,
	travelMode: google.maps.DirectionsTravelMode.DRIVING
	};
	//宣告
	var directionsService = new google.maps.DirectionsService();
	directionsService.route(request, function (response, status) {
	var strTmp = "";
	if (status == google.maps.DirectionsStatus.OK) {
	var route = response.routes[0];
	for (var i = 0; i < route.legs.length; i++) {
	var routeSegment = i + 1;
	strTmp += route.legs[i].distance.text;
	}
	//取得距離(正整數，公尺)
	var dist = parseInt(parseFloat(strTmp) * 1000).toString();
	alert(dist);
	}
	});
	}
	</script>
	</body>
	</html>