【发布时间】:2017-11-20 04:42:12
【问题描述】:
我知道这已经被问过很多次了,但是我见过的其他答案似乎都没有帮助我。基本上,地图的容器会显示(在页面上显示为 500x300 像素的空白区域),但没有地图。无论我做什么,我都无法显示地图。
您可能已经猜到了,我对 Google 地图不熟悉,因此不胜感激。我设置了缩放并包括“溢出:可见”,这是另一个建议。
希望这个小提琴有效:https://jsfiddle.net/7cvj565j/
findfitter.php - 显示地图的位置
<div class="container text-center">
<div class="row">
<div class="col-sm-8">
<div id="map-container">
<div id="googleMap" style="height:300px; width:500px;">
<script src="https://maps.googleapis.com/maps/api/js?key=MY_KEY&callback=initMap" async defer></script>
<script src="includes/findafitter2.js"></script>
</div>
</div>
</div>
<div class="col-sm-4">
Enter your postcode to find your nearest fitter. Do you have any questions? <a href="contact.php">Let us know!</a>
<input id="address" type="textbox" value="">
<input type="button" value="Find My Nearest Fitter" onclick="checkZip(getElementById('address').value)">
</div>
</div>
</div>
findfitter2.js - 地图的代码
var geocoder;
var map;
var markers = [];
function initialize()
{
geocoder = new google.maps.Geocoder();
var latlng = new google.maps.LatLng(40.768505, -111.853244);
var myOptions =
{
zoom: 8,
center: latlng,
mapTypeId: google.maps.MapTypeId.ROADMAP
}
map = new google.maps.Map(document.getElementById("googleMap"), myOptions);
addPostCode('84101');
addPostCode('84102');
addPostCode('84103');
addPostCode('84104');
addPostCode('84105');
}
function addPostCode(zip)
{
geocoder.geocode( { 'address': zip}, function(results, status)
{
if (status == google.maps.GeocoderStatus.OK)
{
map.setCenter(results[0].geometry.location);
var marker = new google.maps.Marker({
map: map,
position: results[0].geometry.location,
name: zip
});
markers.push(marker);
}
else
{
alert("Geocode was not successful for the following reason: " + status);
}
});
}
function checkZip(zip)
{
var distance = Number.MAX_VALUE;
var index = 0;
geocoder.geocode( { 'address': zip}, function(results, status)
{
if (status == google.maps.GeocoderStatus.OK)
{
for(ix=0; ix< markers.length; ix++)
{
var tmp = getDistance(results[0].geometry.location, markers[ix].position);
if (tmp < distance)
{
distance = tmp;
index = ix;
}
}
alert('nearest zipcode is :' + markers[index].name);
}
});
}
function getDistance(latlng1, latlng2)
{
var R = 6371; // Radius of the earth in km
var dLat = (latlng2.lat()-latlng1.lat()) * Math.PI / 180; // Javascript functions in radians
var dLon = (latlng2.lng()-latlng1.lng()) * Math.PI / 180;
var a = Math.sin(dLat/2) * Math.sin(dLat/2) +
Math.cos(latlng1.lat() * Math.PI / 180) * Math.cos(latlng2.lat() * Math.PI / 180) *
Math.sin(dLon/2) * Math.sin(dLon/2);
var c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1-a));
var d = R * c; // Distance in km
d = d * 0.621371192; // convert to miles
return d;
}
styles.css - 相关位
#map-container
{
min-height: 300px;
color: #000000;
overflow: visible;
}
Google 地图代码取自另一个 SO 帖子 (Google maps - Postcode plotting),以查看我的地图代码是否破坏了它 - 这与我将要做的非常相似,并且该代码适用于许多人。
希望这已经足够清楚了。提前致谢!
【问题讨论】:
-
您是否尝试过使用谷歌地图自动生成的 iframe 代替?
标签: javascript html css google-maps google-maps-api-3