Javascript 谷歌地图API JS多个标记使用输入字段?
我希望在网站上的搜索框中插入内容时能够显示多个标记。现在我有3个输入字段,我想增加。这就是我目前拥有的,我尝试在Javascript 谷歌地图API JS多个标记使用输入字段?,javascript,api,google-maps,google-maps-api-3,maps,Javascript,Api,Google Maps,Google Maps Api 3,Maps,我希望在网站上的搜索框中插入内容时能够显示多个标记。现在我有3个输入字段,我想增加。这就是我目前拥有的,我尝试在var中存储多个searchBox值,如下所示:var markers=searchBox.getPlaces(),searchBox.getPlaces1(),searchBox.getPlaces2() 如何将此代码扩展到其他输入字段 <input id="pac-input" class="controls" type="text" placeholder="Search
var
中存储多个searchBox值,如下所示:var markers=searchBox.getPlaces(),searchBox.getPlaces1(),searchBox.getPlaces2()
如何将此代码扩展到其他输入字段
<input id="pac-input" class="controls" type="text" placeholder="Search Box" /><br />
<input id="pac-input1" class="controls" type="text" placeholder="Search Box" />
<input id="pac-input2" class="controls" type="text" placeholder="Search box" />
<div id="map"></div>
<script>
function initAutocomplete() {
var map = new google.maps.Map(document.getElementById('map'), {
center: { lat: 52.728616, lng: 6.4901 },
zoom: 13,
mapTypeId: 'roadmap'
});
// Create the search box and link it to the UI element.
var input = document.getElementById('pac-input');
var input1 = document.getElementById('pac-input1');
var input2 = document.getElementById('pac-input2');
var searchBox = new google.maps.places.SearchBox(input);
var searchBox1 = new google.maps.places.SearchBox(input1);
var searchBox2 = new google.maps.places.SearchBox(input2);
map.controls[google.maps.ControlPosition.TOP_LEFT].push(input);
map.controls[google.maps.ControlPosition.TOP_LEFT].push(input1);
// Bias the SearchBox results towards current map's viewport.
map.addListener('bounds_changed', function () {
searchBox.setBounds(map.getBounds());
searchBox1.setBounds(map.getBounds());
searchBox2.setBounds(map.getBounds());
});
var markers = [];
searchBox.addListener('places_changed', function () {
var places = searchBox.getPlaces();
if (places.length == 0) {
return;
}
// Clear out the old markers.
markers.forEach(function (marker) {
marker.setMap(null);
});
markers = [];
// For each place, get the icon, name and location.
var bounds = new google.maps.LatLngBounds();
places.forEach(function (place) {
if (!place.geometry) {
console.log("Returned place contains no geometry");
return;
}
var icon = {
url: place.icon,
size: new google.maps.Size(71, 71),
origin: new google.maps.Point(0, 0),
anchor: new google.maps.Point(17, 34),
scaledSize: new google.maps.Size(25, 25)
};
// Create a marker for each place.
markers.push(new google.maps.Marker({
map: map,
icon: icon,
title: place.name,
position: place.geometry.location
}));
if (place.geometry.viewport) {
// Only geocodes have viewport.
bounds.union(place.geometry.viewport);
} else {
bounds.extend(place.geometry.location);
}
});
map.fitBounds(bounds);
});
}
</script>
<script src="https://maps.googleapis.com/maps/api/js?key=[APIKEY]&libraries=places&callback=initAutocomplete"
async defer></script>
函数initAutocomplete(){
var map=new google.maps.map(document.getElementById('map'){
中心:{lat:52.728616,lng:6.4901},
缩放:13,
mapTypeId:“路线图”
});
//创建搜索框并将其链接到UI元素。
var input=document.getElementById('pac-input');
var input1=document.getElementById('pac-input1');
var input2=document.getElementById('pac-input2');
var searchBox=newgoogle.maps.places.searchBox(输入);
var searchBox1=新的google.maps.places.SearchBox(input1);
var searchBox2=新的google.maps.places.SearchBox(input2);
map.controls[google.maps.ControlPosition.TOP_LEFT].push(输入);
map.controls[google.maps.ControlPosition.TOP\u LEFT].push(input1);
//将搜索框结果偏向当前地图的视口。
map.addListener('bounds_changed',function(){
searchBox.setBounds(map.getBounds());
searchBox1.setBounds(map.getBounds());
searchBox2.setBounds(map.getBounds());
});
var标记=[];
searchBox.addListener('places\u changed',函数(){
var places=searchBox.getPlaces();
如果(places.length==0){
返回;
}
//清除旧的标记。
markers.forEach(函数(marker){
marker.setMap(空);
});
标记=[];
//对于每个位置,获取图标、名称和位置。
var bounds=new google.maps.LatLngBounds();
地点。forEach(功能(地点){
如果(!place.geometry){
log(“返回的位置不包含几何图形”);
返回;
}
变量图标={
url:place.icon,
大小:新谷歌地图大小(71,71),
来源:新google.maps.Point(0,0),
主播:新google.maps.Point(17,34),
scaledSize:new google.maps.Size(25,25)
};
//为每个地方创建一个标记。
markers.push(新的google.maps.Marker)({
地图:地图,
图标:图标,
标题:place.name,
位置:place.geometry.location
}));
if(place.geometry.viewport){
//只有地理代码具有视口。
联合(place.geometry.viewport);
}否则{
扩展(place.geometry.location);
}
});
映射边界(bounds);
});
}
相关问题(用于自动完成):
获取要用于SearchBox
的
元素数组,使用这些元素创建SearchBox
对象,创建一个函数,该函数使用SearchBox
的唯一标识符和对SearchBox
对象的引用。使用该函数可处理来自每个搜索框
对象的事件
var searchBoxes = document.getElementsByClassName('controls');
for (var i=0; i<searchBoxes.length;i++) {
var searchBox = new google.maps.places.SearchBox(searchBoxes[i]);
map.controls[google.maps.ControlPosition.TOP_LEFT].push(searchBoxes[i]);
map.addListener('bounds_changed', function() {
searchBox.setBounds(map.getBounds());
});
markers.push([]);
searchBox.addListener('places_changed', (function(i) {
return function() {
processSearch(i, this)
}
}(i)));
}
代码片段:
html,
身体,
#地图{
身高:100%;
宽度:100%;
边际:0px;
填充:0px
}
.控制{
宽度:100px;
}
函数initAutocomplete(){
var map=new google.maps.map(document.getElementById('map'){
中心:{
拉脱维亚:52.728616,
液化天然气:6.4901
},
缩放:13,
mapTypeId:“路线图”
});
var标记=[];
//创建搜索框并将其链接到UI元素。
var searchbox=document.getElementsByClassName('controls');
对于(var i=0;ifunction processSearch(uniqueId, searchBox) {
var places = searchBox.getPlaces();
if (places.length == 0) {
return;
}
// Clear out the old markers.
markers[uniqueId].forEach(function(marker) {
marker.setMap(null);
});
markers[uniqueId] = [];
// For each place, get the icon, name and location.
var bounds = new google.maps.LatLngBounds();
places.forEach(function(place) {
if (!place.geometry) {
console.log("Returned place contains no geometry");
return;
}
var icon = {
url: place.icon,
size: new google.maps.Size(71, 71),
origin: new google.maps.Point(0, 0),
anchor: new google.maps.Point(17, 34),
scaledSize: new google.maps.Size(25, 25)
};
// Create a marker for each place.
if (!markers[uniqueId]) markers.push([]);
markers[uniqueId].push(new google.maps.Marker({
map: map,
icon: icon,
title: place.name,
position: place.geometry.location
}));
if (place.geometry.viewport) {
// Only geocodes have viewport.
bounds.union(place.geometry.viewport);
} else {
bounds.extend(place.geometry.location);
}
});
map.fitBounds(bounds);
}