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[英]Open infoWindow of specific marker from outside Google Maps (V3)
[英]Control marker infowindow from outside of google maps API
當點擊地圖外的元素時,我試圖打開谷歌地圖標記的信息窗口。 我見過幾個類似的問題,但沒有看到有效的答案。 這是我的代碼:
html:
<div id="map_canvas"></div>
<div id="names_div"></div>
腳本:
var locations = [
['Bondi Beach', -33.890542, 151.274856],
['Coogee Beach', -33.923036, 151.259052],
];
var map = new google.maps.Map(document.getElementById('map_canvas'), {
zoom: 10,
center: new google.maps.LatLng(-33.92, 151.25),
mapTypeControl: false,
mapTypeId: google.maps.MapTypeId.ROADMAP
});
var names_html = "";
for (i = 0; i < locations.length; i++) {
names_html += " " + "<a href='javascript:myclick(" + locations.length + ")' class='Names'>" + locations[i][0] + " </a> <br> <br>" ;
};
document.getElementById("names_div").innerHTML = names_html;
var infowindow = new google.maps.InfoWindow();
var marker, i;
for (i = 0; i < locations.length; i++) {
marker = new google.maps.Marker({
position: new google.maps.LatLng(locations[i][1], locations[i][2]),
map: map
});
google.maps.event.addListener(marker, 'click', (function(marker, i) {
return function() {
infowindow.setContent(locations[i][0]);
infowindow.open(map, marker);
}
})(marker, i));
}
function myclick(i) {
google.maps.event.trigger(locations[i], "click");
}
它是“names_html +=...”行和“function myclick(i) {...”之間的交互,這導致了我認為的問題。
此外,我只能讓 names_div 的 html 填充與標記循環的單獨循環一起工作。 也可能是這個問題!
謝謝,非常感謝幫助。
我在發布的代碼中收到一個 javascript 錯誤: Uncaught TypeError: Cannot read property '__e3_' of undefined
。 有兩個問題:
locations[i]
不是對google.maps.Marker
對象的引用(您不能在其上觸發click
事件並期望它做任何有用的事情)。 您需要保留對標記的引用(例如在名為gmarkers
的數組中,然后在這些標記上觸發click
事件:function myclick(i) {
google.maps.event.trigger(gmarkers[i], "click");
}
locations.length
永遠不會改變。 您需要將側邊欄鏈接編碼為:for (i = 0; i < locations.length; i++) {
names_html += " " + "<a href='javascript:myclick(" + i + ")' class='Names'>" + locations[i][0] + " </a> <br> <br>";
};
代碼片段:
var locations = [ ['Bondi Beach', -33.890542, 151.274856], ['Coogee Beach', -33.923036, 151.259052], ]; var map = new google.maps.Map(document.getElementById('map_canvas'), { zoom: 10, center: new google.maps.LatLng(-33.92, 151.25), mapTypeControl: false, mapTypeId: google.maps.MapTypeId.ROADMAP }); var names_html = ""; for (i = 0; i < locations.length; i++) { names_html += " " + "<a href='javascript:myclick(" + i + ")' class='Names'>" + locations[i][0] + " </a> <br> <br>"; }; document.getElementById("names_div").innerHTML = names_html; var infowindow = new google.maps.InfoWindow(); var marker, i; var gmarkers = []; for (i = 0; i < locations.length; i++) { marker = new google.maps.Marker({ position: new google.maps.LatLng(locations[i][1], locations[i][2]), map: map }); google.maps.event.addListener(marker, 'click', (function(marker, i) { return function() { infowindow.setContent(locations[i][0]); infowindow.open(map, marker); } })(marker, i)); gmarkers.push(marker); } function myclick(i) { google.maps.event.trigger(gmarkers[i], "click"); }
html, body, #map_canvas { height: 100%; width: 100%; margin: 0px; padding: 0px } #map_canvas { height: 100%; width: 80%; float: left; } #names_div { height: 100%; width: 100%; }
<script src="https://maps.googleapis.com/maps/api/js"></script> <div id="map_canvas"></div> <div id="names_div"></div>
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