我正在使用Google地图JavaScript API创建带弹出窗口的多个标记(InfoWindow)
function initMap(){
var map = new google.maps.Map(document.getElementById('map'), {
zoom: 2,
center: {lat: 20, lng: 0}
});
//console.log(dbResults);
for(var i=0; i<dbResults.length; i++){
var _coords = dbResults[i].location.split(',');
var coords = {lat: parseFloat(_coords[0]), lng: parseFloat(_coords[1])}
//console.log(coords);
var marker = new google.maps.Marker({
position: coords,
map: map
});
var infowindow = new google.maps.InfoWindow({
content: '<div>'+dbResults[i].title+'</div>'
});
marker.addListener('click', function() {
infowindow.open(map, marker);
});
}
}
标记在地图周围正确显示,但弹出窗口仅显示在地图的中心(而不是显示在所属标记位置附近)
为了使它们有效,我需要更改什么?
答案 0 :(得分:1)
要解决问题(将InfoWindow与正确的标记相关联),一个选项是使用函数闭包,如对此类似问题的回答所示:Google Maps JS API v3 - Simple Multiple Marker Example。
在您的代码中:
marker.addListener('click', (function(marker, infowindow) {
return function(evt) {
infowindow.open(map, marker);
}}(marker,infowindow)));
代码段
function initMap() {
var map = new google.maps.Map(document.getElementById('map'), {
zoom: 2,
center: {
lat: 20,
lng: 0
}
});
//console.log(dbResults);
var dbResults = [{
location: "42,-72",
title: "Here"
}, {
location: "45,-112",
title: "There"
}, {
location: "20,0",
title: "Somewhere"
}];
for (var i = 0; i < dbResults.length; i++) {
var _coords = dbResults[i].location.split(',');
var coords = {
lat: parseFloat(_coords[0]),
lng: parseFloat(_coords[1])
}
//console.log(coords);
var marker = new google.maps.Marker({
position: coords,
map: map
});
var infowindow = new google.maps.InfoWindow({
content: '<div>' + dbResults[i].title + '</div>'
});
marker.addListener('click', (function(marker, infowindow) {
return function(evt) {
infowindow.open(map, marker);
}
}(marker, infowindow)));
}
}
google.maps.event.addDomListener(window, "load", initMap);
html,
body,
#map {
height: 100%;
width: 100%;
margin: 0px;
padding: 0px
}
<script src="https://maps.googleapis.com/maps/api/js"></script>
<div id="map"></div>