作者热门文章
- html - 出于某种原因,IE8 对我的 Sass 文件中继承的 html5 CSS 不友好?
- JMeter 在响应断言中使用 span 标签的问题
- html - 在 :hover and :active? 上具有不同效果的 CSS 动画
- html - 相对于居中的 html 内容固定的 CSS 重复背景?
我有以下功能向用户显示 2 lats 和 lngs 之间的方向
$(document).ready(function(){
initialize_direction();
});
function initialize_direction() {
var directionDisplay;
var directionsService = new google.maps.DirectionsService();
var direction_map;
directionDisplay = new google.maps.DirectionsRenderer();
var myOptions = {
mapTypeId: google.maps.MapTypeId.ROADMAP,
}
direction_map = new google.maps.Map(document.getElementById("direction_canvas"), myOptions);
directionDisplay.setMap(direction_map);
var start = '51.5074, 0.1278';
var end = '<%= lat %>' + ',' + '<%= lng %>';
var request = {
origin:start,
destination:end,
travelMode: google.maps.DirectionsTravelMode.DRIVING
};
directionsService.route(request, function(response, status) {
if (status == google.maps.DirectionsStatus.OK) {
directionDisplay.setDirections(response);
}
});
}
问题是,如果我将包含 map 的 Canvas 放在页面上, map 会自动缩放以适合 2 个标记,但如果我将 Canvas 放在 Bootstrap 模态中,我会得到以下内容,它不会自动缩放以适合标记:
有人知道怎么解决吗?下面是 Bootstrap 模态
<div class="modal fade" id="direction_modal" role="dialog">
<div class="modal-dialog modal-lg">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal">×</button>
<h4 class="modal-title">Direction to restaurant</h4>
</div>
<div class="modal-body">
<div id="direction_canvas" style="width:100%;height:400px;"></div>
</div>
</div>
</div>
最佳答案
在模态打开时调用 initialize_direction();
。尝试像下面这样可能会有所帮助。
$(document).ready(function(){
$( "#direction_modal" ).on('shown.bs.modal', function(){
initialize_direction();
});
});
function initialize_direction() {
var directionDisplay;
var directionsService = new google.maps.DirectionsService();
var direction_map;
directionDisplay = new google.maps.DirectionsRenderer();
var myOptions = {
mapTypeId: google.maps.MapTypeId.ROADMAP,
}
direction_map = new google.maps.Map(document.getElementById("direction_canvas"), myOptions);
directionDisplay.setMap(direction_map);
var start = '51.5074, 0.1278';
var end = '51.2074, 0.1278';
var request = {
origin:start,
destination:end,
travelMode: google.maps.DirectionsTravelMode.DRIVING
};
directionsService.route(request, function(response, status) {
if (status == google.maps.DirectionsStatus.OK) {
directionDisplay.setDirections(response);
}
});
}
<title>Bootstrap Example</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
<script src="https://maps.googleapis.com/maps/api/js?v=3.exp&sensor=false&key=AIzaSyAmqnSK2LDuPesG7GMG9thy_KDDmKnr7Zk"></script>
<div class="container">
<h2>Modal Example</h2>
<!-- Trigger the modal with a button -->
<button type="button" class="btn btn-info btn-lg" data-toggle="modal" data-target="#direction_modal">Open Modal</button>
<!-- Modal content-->
<div class="modal fade" id="direction_modal" role="dialog">
<div class="modal-dialog modal-lg">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal">×</button>
<h4 class="modal-title">Direction to restaurant</h4>
</div>
<div class="modal-body">
<div id="direction_canvas" style="width:100%;height:400px;"></div>
</div>
</div>
</div>
</div>
关于javascript - Google Map API - 本地图处于模态时,路线服务不会自动缩放,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/50075281/
leaflet:一个开源并且对移动端友好的交互式地图 JavaScript 库 中文文档: https://leafletjs.cn/reference.html 官网(英文): ht
我是一名优秀的程序员,十分优秀!