改变输入字段的previous标记不会在谷歌地方自动填充消失 [英] The previous marker of changed input field doesn't disappear in Google Places Autocomplete
问题描述
我使用谷歌商家信息自动填充带4个输入。的问题是,当一个输入字段被该输入字段的改变了previous标记(和其信息窗口)不会从地图上消失。我怎样才能让被覆盖的标志?任何答案是AP preciated。
这是我的code:
<脚本>
VAR地图= NULL;
VAR autocompleteOptions = {
componentRestrictions:{国家:AZ}
};
下面是标记和信息窗口的数组:
VAR信息窗口= [];
变种标记= [];
setupAutocomplete函数被调用,每输入字段:
函数setupAutocomplete(自动完成,输入,I){
自动完成[I] =新google.maps.places.Autocomplete(输入[I],autocompleteOptions);
自动完成[I] .bindTo('界限',地图); google.maps.event.addListener(自动完成[我],'place_changed',函数(){
信息窗口由[i] =新google.maps.InfoWindow();
标志由[i] =新google.maps.Marker({
地图:地图
});
信息窗口[I] .close();
标记[I] .setVisible(假);
VAR地方=自动完成[I] .getPlace();
如果(!place.geometry){
返回;
} //如果这个地方有一个几何体,然后present它在地图上。
如果(place.geometry.viewport){
map.fitBounds(place.geometry.viewport);
}其他{
map.setCenter(place.geometry.location);
map.setZoom(17); //为什么17?因为它看起来很不错。
} 标记[I] .setIcon(/ ** @type {} google.maps.Icon * /({
网址:place.icon,
大小:新为google.maps.Size(71,71)
产地:新google.maps.Point(0,0),
主播:新google.maps.Point(17,34)
scaledSize:新为google.maps.Size(35,35)
}));
标记[I] .setPosition(place.geometry.location);
标记[I] .setVisible(真); VAR地址='';
如果(place.address_components){
地址= [
(place.address_components [0]&放大器;&放大器; place.address_components [0] .short_name ||''),
(place.address_components [1]&放大器;&放大器; place.address_components [1] .short_name ||''),
(place.address_components [2]&放大器;&放大器; place.address_components [2] .short_name ||'')
]。加入('');
} 信息窗口[I] .setContent('< DIV><强>'+ place.name +'< / STRONG>< BR>'+地址);
信息窗口[I]。开(地图,标记[I]);
});
}
函数初始化(){
VAR的MapOptions = {
中心:新google.maps.LatLng(40.4700,49.9600)
变焦:10,
zoomControl,用于:真实,
ZoomControlOptions来:{
风格:google.maps.ZoomControlStyle.SMALL
},
MapTypeControl中:真实,
mapTypeControlOptions中:{
风格:google.maps.MapTypeControlStyle.DROPDOWN_MENU
}
};
地图=新google.maps.Map(的document.getElementById('地图画布'),
的MapOptions);
VAR类型=的document.getElementById('类型选择');
map.controls [google.maps.ControlPosition.TOP_LEFT] .push(种);
无功输入= document.getElementsByClassName(controlsInput);
无功自动完成= [];
对于(VAR I = 0; I< inputs.length;我++){
setupAutocomplete(自动完成,输入,I);
}
//设置单选按钮的监听器来改变地方的过滤器类型
//自动完成。
功能setupClickListener(ID,类型){
VAR单选按钮=的document.getElementById(id)的;
google.maps.event.addDomListener(单选按钮,'点击',功能(){
对于(VAR I = 0; I< autocomplete.length;我++){
自动完成[I] .setTypes(种);
}
});
} setupClickListener('的changetype-所有',[]);
setupClickListener('的changetype设立',['建立']);
setupClickListener('的changetype-地理code',['地理code']);
} google.maps.event.addDomListener(窗口'负荷',初始化); < / SCRIPT>
< /头>
<身体GT;
<输入ID =PAC-输入级=controlsInput类型=文本占位符=输入提货点>< BR>
<输入ID =PAC-输入2级=controlsInput类型=文本占位符=请输入您的目的地>< BR>
<输入ID =PAC-输入3级=controlsInput类型=文本占位符=请输入您的目的地>< BR>
<输入ID =PAC-INPUT4级=controlsInput类型=文本占位符=请输入您的目的地>< BR>< BR> < DIV =隐藏隐藏ID =类型选择器级=控制>
<输入类型=电台NAME =输入ID =的changetype所有检查=选中>
<标签=的changetype所有>所有< /标签> <输入类型=电台NAME =输入ID =的changetype设立>
<标签=的changetype设立>场所< /标签> <输入类型=电台NAME =输入ID =的changetype-地理code>
<标签=的changetype-地理code>地理codeS< /标签>
< / DIV>
< DIV ID =地图画布的风格=WIDTH:600px的;高度:380px;>< / DIV>
< /身体GT;
< / HTML>
您需要检查,看看是否标记是否存在,如果是这样,隐藏它(集映射为null),然后将其删除,创建一个新的前(或者你可以移动和更改图标)。
如果(标记[1] - 放大器;&安培;标记[I] .setMap){
标记[I] .setMap(NULL);
标记[I] = NULL;
}
标志由[i] =新google.maps.Marker({
地图:地图
});
全部code(从<修改href=\"http://stackoverflow.com/questions/21335716/why-only-the-marker-of-the-last-input-appears-in-google-places-autocomplete\">$p$pvious问题
&LT;!DOCTYPE HTML&GT;
&LT; HTML和GT;
&LT; HEAD&GT;
&LT;标题&GT;地方自动填充&LT; /标题&GT;
&LT; META NAME =视CONTENT =初始规模= 1.0,用户可扩展性=无&GT;
&LT;间的charset =UTF-8&GT; &LT;脚本src=\"https://maps.googleapis.com/maps/api/js?v=3.exp&sensor=false&libraries=places\"></script>&LT;脚本&GT;
VAR地图= NULL;
变种标记= [];
无功自动完成= []; VAR autocompleteOptions = {
componentRestrictions:{国家:AZ}
};功能setupAutocomplete(自动完成,输入,I){ 自动完成[I] =新google.maps.places.Autocomplete(输入[I],autocompleteOptions);
自动完成[I] .bindTo('界限',地图); google.maps.event.addListener(自动完成[我],'place_changed',函数(){
VAR信息窗口=新google.maps.InfoWindow();
如果(标记[1] - 放大器;&安培;标记[I] .setMap){
标记[I] .setMap(NULL);
标记[I] = NULL;
}
标志由[i] =新google.maps.Marker({
地图:地图
});
infowindow.close();
标记[I] .setVisible(假);
VAR地方=自动完成[I] .getPlace();
如果(!place.geometry){
返回;
} //如果这个地方有一个几何体,然后present它在地图上。
如果(place.geometry.viewport){
map.fitBounds(place.geometry.viewport);
}其他{
map.setCenter(place.geometry.location);
map.setZoom(17); //为什么17?因为它看起来很不错。
} 标记[I] .setIcon(/ ** @type {} google.maps.Icon * /({
网址:place.icon,
大小:新为google.maps.Size(71,71)
产地:新google.maps.Point(0,0),
主播:新google.maps.Point(17,34)
scaledSize:新为google.maps.Size(35,35)
}));
标记[I] .setPosition(place.geometry.location);
标记[I] .setVisible(真); VAR地址='';
如果(place.address_components){
地址= [
(place.address_components [0]&放大器;&放大器; place.address_components [0] .short_name ||''),
(place.address_components [1]&放大器;&放大器; place.address_components [1] .short_name ||''),
(place.address_components [2]&放大器;&放大器; place.address_components [2] .short_name ||'')
]。加入('');
} infowindow.setContent('&LT; DIV&GT;&LT;强&GT;'+ place.name +'&LT; / STRONG&GT;&LT; BR&GT;'+地址);
infowindow.open(地图,标记[I]);
});
}
函数初始化(){
VAR的MapOptions = {
中心:新google.maps.LatLng(40.4700,49.9600)
变焦:10,
zoomControl,用于:真实,
ZoomControlOptions来:{
风格:google.maps.ZoomControlStyle.SMALL
},
MapTypeControl中:真实,
mapTypeControlOptions中:{
风格:google.maps.MapTypeControlStyle.DROPDOWN_MENU
}
};
地图=新google.maps.Map(的document.getElementById('地图画布'),
的MapOptions);
VAR类型=的document.getElementById('类型选择');
map.controls [google.maps.ControlPosition.TOP_LEFT] .push(种);
无功输入= document.getElementsByClassName(controlsInput);
对于(VAR I = 0; I&LT; inputs.length;我++){
setupAutocomplete(自动完成,输入,I);
}
//设置单选按钮的监听器来改变地方的过滤器类型
//自动完成。
功能setupClickListener(ID,类型){
VAR单选按钮=的document.getElementById(id)的;
google.maps.event.addDomListener(单选按钮,'点击',功能(){
对于(VAR I = 0; I&LT; autocomplete.length;我++){
自动完成[I] .setTypes(种);
}
});
} setupClickListener('的changetype-所有',[]);
setupClickListener('的changetype设立',['建立']);
setupClickListener('的changetype-地理code',['地理code']);
} google.maps.event.addDomListener(窗口'负荷',初始化); &LT; / SCRIPT&GT;
&LT; /头&GT;
&LT;身体GT;
&LT;输入ID =PAC-输入级=controlsInput类型=文本占位符=输入提货点&GT;&LT; BR&GT;
&LT;输入ID =PAC-输入2级=controlsInput类型=文本占位符=请输入您的目的地&GT;&LT; BR&GT;
&LT;输入ID =PAC-输入3级=controlsInput类型=文本占位符=请输入您的目的地&GT;&LT; BR&GT;
&LT;输入ID =PAC-INPUT4级=controlsInput类型=文本占位符=请输入您的目的地&GT;&LT; BR&GT;&LT; BR&GT; &LT; DIV =隐藏隐藏ID =类型选择器级=控制&GT;
&LT;输入类型=电台NAME =输入ID =的changetype所有检查=选中&GT;
&LT;标签=的changetype所有&GT;所有&LT; /标签&gt; &LT;输入类型=电台NAME =输入ID =的changetype设立&GT;
&LT;标签=的changetype设立&GT;场所&LT; /标签&gt; &LT;输入类型=电台NAME =输入ID =的changetype-地理code&GT;
&LT;标签=的changetype-地理code&GT;地理codeS&LT; /标签&gt;
&LT; / DIV&GT;
&LT; DIV ID =地图画布的风格=WIDTH:600px的;高度:380px;&GT;&LT; / DIV&GT;
&LT; /身体GT;
&LT; / HTML&GT;
Hi i'm using Google Places Autocomplete with 4 inputs. The problem is that when a single input field is changed the previous marker(and its infowindow) of this input field doesn't disappear from the map. How can I make the markers to be overwritten? Any answer is appreciated.
Here is my code:
<script>
var map = null;
var autocompleteOptions = {
componentRestrictions: {country: "az"}
};
Here are the arrays for markers and infowindows:
var infowindow = [];
var marker = [];
setupAutocomplete function is called for every input field:
function setupAutocomplete(autocomplete,inputs,i) {
autocomplete[i] = new google.maps.places.Autocomplete(inputs[i], autocompleteOptions);
autocomplete[i].bindTo('bounds', map);
google.maps.event.addListener(autocomplete[i], 'place_changed', function() {
infowindow[i] = new google.maps.InfoWindow();
marker[i] = new google.maps.Marker({
map: map
});
infowindow[i].close();
marker[i].setVisible(false);
var place = autocomplete[i].getPlace();
if (!place.geometry) {
return;
}
// If the place has a geometry, then present it on a map.
if (place.geometry.viewport) {
map.fitBounds(place.geometry.viewport);
} else {
map.setCenter(place.geometry.location);
map.setZoom(17); // Why 17? Because it looks good.
}
marker[i].setIcon(/** @type {google.maps.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(35, 35)
}));
marker[i].setPosition(place.geometry.location);
marker[i].setVisible(true);
var address = '';
if (place.address_components) {
address = [
(place.address_components[0] && place.address_components[0].short_name || ''),
(place.address_components[1] && place.address_components[1].short_name || ''),
(place.address_components[2] && place.address_components[2].short_name || '')
].join(' ');
}
infowindow[i].setContent('<div><strong>' + place.name + '</strong><br>' + address);
infowindow[i].open(map, marker[i]);
});
}
function initialize() {
var mapOptions = {
center: new google.maps.LatLng(40.4700, 49.9600),
zoom: 10,
zoomControl:true,
zoomControlOptions: {
style:google.maps.ZoomControlStyle.SMALL
},
mapTypeControl:true,
mapTypeControlOptions: {
style:google.maps.MapTypeControlStyle.DROPDOWN_MENU
}
};
map = new google.maps.Map(document.getElementById('map-canvas'),
mapOptions);
var types = document.getElementById('type-selector');
map.controls[google.maps.ControlPosition.TOP_LEFT].push(types);
var inputs = document.getElementsByClassName("controlsInput");
var autocomplete = [];
for(var i = 0; i < inputs.length; i++) {
setupAutocomplete(autocomplete,inputs,i);
}
// Sets a listener on a radio button to change the filter type on Places
// Autocomplete.
function setupClickListener(id, types) {
var radioButton = document.getElementById(id);
google.maps.event.addDomListener(radioButton, 'click', function() {
for (var i=0 ; i<autocomplete.length; i++) {
autocomplete[i].setTypes(types);
}
});
}
setupClickListener('changetype-all', []);
setupClickListener('changetype-establishment', ['establishment']);
setupClickListener('changetype-geocode', ['geocode']);
}
google.maps.event.addDomListener(window, 'load', initialize);
</script>
</head>
<body>
<input id="pac-input" class="controlsInput" type="text" placeholder="Enter the pickup point"><br>
<input id="pac-input2" class="controlsInput" type="text" placeholder="Enter your destination"><br>
<input id="pac-input3" class="controlsInput" type="text" placeholder="Enter your destination"><br>
<input id="pac-input4" class="controlsInput" type="text" placeholder="Enter your destination"><br><br>
<div hidden="hidden" id="type-selector" class="controls">
<input type="radio" name="type" id="changetype-all" checked="checked">
<label for="changetype-all">All</label>
<input type="radio" name="type" id="changetype-establishment">
<label for="changetype-establishment">Establishments</label>
<input type="radio" name="type" id="changetype-geocode">
<label for="changetype-geocode">Geocodes</label>
</div>
<div id="map-canvas" style="width:600px;height:380px;"></div>
</body>
</html>
You need to check to see if the marker exists, if it does, hide it (set map to null), then delete it, before creating a new one (or you could move it and change the icon).
if (marker[i] && marker[i].setMap) {
marker[i].setMap(null);
marker[i] = null;
}
marker[i] = new google.maps.Marker({
map: map
});
Full code (modified from your previous question
<!DOCTYPE html>
<html>
<head>
<title>Place Autocomplete</title>
<meta name="viewport" content="initial-scale=1.0, user-scalable=no">
<meta charset="utf-8">
<script src="https://maps.googleapis.com/maps/api/js?v=3.exp&sensor=false&libraries=places"></script>
<script>
var map = null;
var marker = [];
var autocomplete = [];
var autocompleteOptions = {
componentRestrictions: {country: "az"}
};
function setupAutocomplete(autocomplete,inputs,i) {
autocomplete[i] = new google.maps.places.Autocomplete(inputs[i], autocompleteOptions);
autocomplete[i].bindTo('bounds', map);
google.maps.event.addListener(autocomplete[i], 'place_changed', function() {
var infowindow = new google.maps.InfoWindow();
if (marker[i] && marker[i].setMap) {
marker[i].setMap(null);
marker[i] = null;
}
marker[i] = new google.maps.Marker({
map: map
});
infowindow.close();
marker[i].setVisible(false);
var place = autocomplete[i].getPlace();
if (!place.geometry) {
return;
}
// If the place has a geometry, then present it on a map.
if (place.geometry.viewport) {
map.fitBounds(place.geometry.viewport);
} else {
map.setCenter(place.geometry.location);
map.setZoom(17); // Why 17? Because it looks good.
}
marker[i].setIcon(/** @type {google.maps.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(35, 35)
}));
marker[i].setPosition(place.geometry.location);
marker[i].setVisible(true);
var address = '';
if (place.address_components) {
address = [
(place.address_components[0] && place.address_components[0].short_name || ''),
(place.address_components[1] && place.address_components[1].short_name || ''),
(place.address_components[2] && place.address_components[2].short_name || '')
].join(' ');
}
infowindow.setContent('<div><strong>' + place.name + '</strong><br>' + address);
infowindow.open(map, marker[i]);
});
}
function initialize() {
var mapOptions = {
center: new google.maps.LatLng(40.4700, 49.9600),
zoom: 10,
zoomControl:true,
zoomControlOptions: {
style:google.maps.ZoomControlStyle.SMALL
},
mapTypeControl:true,
mapTypeControlOptions: {
style:google.maps.MapTypeControlStyle.DROPDOWN_MENU
}
};
map = new google.maps.Map(document.getElementById('map-canvas'),
mapOptions);
var types = document.getElementById('type-selector');
map.controls[google.maps.ControlPosition.TOP_LEFT].push(types);
var inputs = document.getElementsByClassName("controlsInput");
for(var i = 0; i < inputs.length; i++) {
setupAutocomplete(autocomplete,inputs,i);
}
// Sets a listener on a radio button to change the filter type on Places
// Autocomplete.
function setupClickListener(id, types) {
var radioButton = document.getElementById(id);
google.maps.event.addDomListener(radioButton, 'click', function() {
for (var i=0 ; i<autocomplete.length; i++) {
autocomplete[i].setTypes(types);
}
});
}
setupClickListener('changetype-all', []);
setupClickListener('changetype-establishment', ['establishment']);
setupClickListener('changetype-geocode', ['geocode']);
}
google.maps.event.addDomListener(window, 'load', initialize);
</script>
</head>
<body>
<input id="pac-input" class="controlsInput" type="text" placeholder="Enter the pickup point"><br>
<input id="pac-input2" class="controlsInput" type="text" placeholder="Enter your destination"><br>
<input id="pac-input3" class="controlsInput" type="text" placeholder="Enter your destination"><br>
<input id="pac-input4" class="controlsInput" type="text" placeholder="Enter your destination"><br><br>
<div hidden="hidden" id="type-selector" class="controls">
<input type="radio" name="type" id="changetype-all" checked="checked">
<label for="changetype-all">All</label>
<input type="radio" name="type" id="changetype-establishment">
<label for="changetype-establishment">Establishments</label>
<input type="radio" name="type" id="changetype-geocode">
<label for="changetype-geocode">Geocodes</label>
</div>
<div id="map-canvas" style="width: 600px; height: 380px; "></div>
</body>
</html>
这篇关于改变输入字段的previous标记不会在谷歌地方自动填充消失的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!