在這種page我使用下面的腳本:使谷歌地圖標誌器陣列的全球符標記點擊事件
function initialize() {
var mapCanvas = document.getElementById('map');
var mapOptions = {center:new google.maps.LatLng(latitudeMid,longitudeMid),zoom:15,mapTypeId:google.maps.MapTypeId.ROADMAP,streetViewControl:false,mapTypeControl:true,scaleControl:true,scaleControlOptions:{position:google.maps.ControlPosition.TOP_RIGHT}};
var map = new google.maps.Map(mapCanvas, mapOptions);
var markers=[]; //<=========================================== inside function initialize()
var i;
var insertion;
var previousMarker;
for (i = 0; i < fotoCount; i++) {
var myLatLng=new google.maps.LatLng(Latituden[i], Longituden[i]);
var marker = new StyledMarker({styleIcon:new StyledIcon(StyledIconTypes.MARKER,{color:'00ff00',text:Letters[i]}),position:myLatLng,map:map});
marker.set('zIndex', -i);
marker.myIndex = i;
markers.push(marker);
google.maps.event.addListener(marker, 'click', function() {
var insertion="";
insertion='<img src=\"http://www.pdavis.nl/Ams/'.concat(Bestanden[this.myIndex],'.jpg\"></img>');
insertion=insertion.concat('<table class=width100><tr><td>Bestand: ',Bestanden[this.myIndex],'</td><td class=pright>Lokatie: ',Latituden[this.myIndex],' °N., ',Longituden[this.myIndex],' °E. (',Letters[this.myIndex],')</td>');
insertion=insertion.concat('<td class=pright>Genomen: ',Datums[this.myIndex],'</td></tr><td colspan=3>Object: ',Objecten[this.myIndex],'</td></table>');
$('#photo').html(insertion);
if(previousMarker!=null){previousMarker.styleIcon.set('color', '00ff00')};
this.styleIcon.set('color', 'ff0000');
thisMarker=this.myIndex;
previousMarker=this;
});
}
google.maps.event.trigger(markers[0], 'click');
}
google.maps.event.addDomListener(window, 'load', initialize);
點擊標記高亮顯示所選標記(變成紅色),並顯示相應的照片。兩個按鈕Vorige和Volgende(上一頁和下一頁,選擇一張或下一張照片),顯然不工作,因爲數組標記[]是本地的功能初始化():
function Next() {
thisMarker++;
if (thisMarker>=fotoCount) {thisMarker=0};
// following line not working
google.maps.event.trigger(markers[thisMarker], 'click');
}
function Previous() {
thisMarker--;
if (thisMarker==0) {thisMarker=fotoCount-1};
// following line not working
google.maps.event.trigger(markers[thisMarker], 'click');
}
最明顯的解決方法是把「var markers = []」外部函數initialize()(this頁面)使此數組成爲全局的,但現在突出顯示的按鈕(按鈕「A」在開始時紅色;單擊的按鈕變爲紅色)不起作用。我在這裏做錯了什麼?
[谷歌地圖JS API V3 - 簡單多個標記的例子]可能重複(HTTP: //stackoverflow.com/questions/3059044/google-ma PS-JS-API-V3-簡單多標記的例子);使用函數閉包將標記與點擊監聽器相關聯。 – geocodezip