Javascript 如何在Google地图中切换多个JSON覆盖的可见性
我有多个JSON覆盖文件-区域1到6 我希望能够使用单选按钮菜单控制覆盖的可见性 我尝试将每个覆盖设置为变量,并添加if-else语句来切换可见性,但它不起作用Javascript 如何在Google地图中切换多个JSON覆盖的可见性,javascript,json,google-maps,google-maps-api-3,Javascript,Json,Google Maps,Google Maps Api 3,我有多个JSON覆盖文件-区域1到6 我希望能够使用单选按钮菜单控制覆盖的可见性 我尝试将每个覆盖设置为变量,并添加if-else语句来切换可见性,但它不起作用 <!DOCTYPE html> <html> <head> <meta name="viewport" content="initial-scale=1.0, user-scalable=no"> <meta charset="utf-8"> <
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="initial-scale=1.0, user-scalable=no">
<meta charset="utf-8">
<title>Map Template</title>
<style>
/* Always set the map height explicitly to define the size of the div
* element that contains the map. */
#map {
height: 100%;
}
/* Optional: Makes the sample page fill the window. */
html, body {
height: 100%;
margin: 0;
padding: 0;
}
#description {
font-family: Roboto;
font-size: 15px;
font-weight: 300;
}
#infowindow-content .title {
font-weight: bold;
}
#infowindow-content {
display: none;
}
#map #infowindow-content {
display: inline;
}
.pac-card {
margin: 10px 10px 0 0;
border-radius: 2px 0 0 2px;
box-sizing: border-box;
-moz-box-sizing: border-box;
outline: none;
box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
background-color: #fff;
font-family: Roboto;
}
#pac-container {
padding-bottom: 12px;
margin-right: 12px;
}
.pac-controls {
display: inline-block;
padding: 5px 11px;
}
#search {
position:absolute;
}
#pac-input {
width:400px;
margin: 10px;
padding: 0 11px 0 13px;
height: 40px;
background-color: #fff;
font-family: Roboto;
font-size: 17px;
font-weight: 300;
text-overflow: ellipsis;
width: 320px;
height: 40px;
border-width: 2px;
border: white;
box-shadow: none;
border-radius: 2px;
box-shadow: rgba(0, 0, 0, 0.3) 0px 1px 4px -1px;
font-family: Roboto, Arial, sans-serif;
font-weight: 400;
color: gray;
}
#pac-input:focus {
border-color: #4d90fe;
color: black;
}
#title {
color: #fff;
background-color: #4d90fe;
font-size: 25px;
font-weight: 500;
padding: 6px 12px;
}
#target {
width: 345px;
}
</style>
</head>
<body>
<div id="search">
<input id="pac-input" class="controls" type="search" placeholder="Search Any Address">
</div>
<form class="form">
<div class="switch-field">
<input type="radio" id="area1" name="switch-two" checked/>
<label for="area1">Area 1</label>
<input type="radio" id="area2" name="switch-two"/>
<label for="area2">Area 2</label>
<input type="radio" id="area3" name="switch-two"/>
<label for="area3">Area 3</label>
<input type="radio" id="area4" name="switch-two"/>
<label for="area4">Area 4</label>
<input type="radio" id="area5" name="switch-two"/>
<label for="area5">Area 5</label>
<input type="radio" id="area6" name="switch-two"/>
<label for="area6">Area 6</label>
</div>
</form>
<div id="map"></div>
<script>
// This example adds a search box to a map, using the Google Place Autocomplete
// feature. People can enter geographical searches. The search box will return a
// pick list containing a mix of places and predicted search terms.
// This example requires the Places library. Include the libraries=places
// parameter when you first load the API. For example:
// <script src="https://maps.googleapis.com/maps/api/js?key=YOUR_API_KEY&libraries=places">
function initAutocomplete() {
var map = new google.maps.Map(document.getElementById('map'), {
zoom: 5,
center: {lat: 52.656963, lng: -112.506664},
gestureHandling: 'greedy',
mapTypeControl: false
});
var area1 = new google.maps.Data();
var area2 = new google.maps.Data();
var area3 = new google.maps.Data();
var area4 = new google.maps.Data();
var area5 = new google.maps.Data();
area1.loadGeoJson('https://api.myjson.com/bins/myw18');
area2.loadGeoJson('https://api.myjson.com/bins/nkbn0');
area3.loadGeoJson('https://api.myjson.com/bins/cwnws');
area4.loadGeoJson('https://api.myjson.com/bins/106pnw');
area5.loadGeoJson('https://api.myjson.com/bins/7lwmk');
if (area1.checked) {
var area1 = new google.maps.Data();
var area2 = null;
var area3 = null;
var area4 = null;
var area5 = null;
} else if (area2.checked) {
var area1 = null;
var area2 = new google.maps.Data();
var area3 = null;
var area4 = null;
var area5 = null;
} else if (area3.checked) {
var area1 = null;
var area2 = null;
var area3 = new google.maps.Data();
var area4 = null;
var area5 = null;
} else if (area4.checked) {
var area1 = null;
var area2 = null;
var area3 = null;
var area4 = new google.maps.Data();
var area5 = null;
} else if (area5.checked) {
var area1 = null;
var area2 = null;
var area3 = null;
var area4 = null;
var area5 = new google.maps.Data();
}
map.data.setStyle(function(feature) {
return {
fillColor: feature.getProperty('COLOR'),
strokeWeight: 1,
strokeColor: 'black',
fillOpacity: 0.4,
strokeOpacity: 0.7,
zIndex: 0
};
});
// Infowindow
var infoWindow = new google.maps.InfoWindow({
zIndex: 2
});
map.data.addListener('click', function(event) {
map.data.revertStyle();
map.data.overrideStyle(event.feature, {strokeWeight: 2, strokeColor: 'black', zIndex: 1});
var CDNAME = event.feature.getProperty('CDNAME');
var COLOR = event.feature.getProperty('COLOR');
infoWindow.setPosition( event.latLng );
infoWindow.setOptions( {
pixelOffset: {width: 0, height: -3}
});
infoWindow.setContent(
"CDNAME: <b>" + CDNAME + "</b><br />" +
"COLOR: <b>" + COLOR + "</b>"
);
infoWindow.open(map);
});
map.data.addListener('clickout', function(event) {
map.data.revertStyle();
infoWindow.close();
});
map.data.addListener('mouseover', function(event) {
map.data.revertStyle();
map.data.overrideStyle(event.feature, {strokeWeight: 2, strokeColor: 'black', zIndex: 1});
});
// Create the search box and link it to the UI element.
var input = document.getElementById('pac-input');
var searchBox = new google.maps.places.SearchBox(input);
map.controls[google.maps.ControlPosition.TOP_LEFT].push(input);
// Bias the SearchBox results towards current map's viewport.
map.addListener('bounds_changed', function() {
searchBox.setBounds(map.getBounds());
});
var markers = [];
// Listen for the event fired when the user selects a prediction and retrieve
// more details for that place.
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: 'https://www.adsforcarts.com/wp-content/uploads/2017/09/map-marker2.png',
size: new google.maps.Size(50, 75),
origin: new google.maps.Point(0, 0),
anchor: new google.maps.Point(25, 75)
};
// Create a marker for each place.
markers.push(new google.maps.Marker({
map: map,
icon: icon,
title: place.name,
position: place.geometry.location,
animation: google.maps.Animation.DROP
}));
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=AIzaSyCkUOdZ5y7hMm0yrcCQoCvLwzdM6M8s5qk&libraries=places&callback=initAutocomplete"
async defer></script>
</body>
</html>
地图模板
/*始终明确设置贴图高度以定义div的大小
*包含映射的元素*/
#地图{
身高:100%;
}
/*可选:使示例页面填充窗口*/
html,正文{
身高:100%;
保证金:0;
填充:0;
}
#描述{
字体系列:Roboto;
字体大小:15px;
字体大小:300;
}
#infowindowcontent.title{
字体大小:粗体;
}
#信息窗口内容{
显示:无;
}
#地图#信息窗口内容{
显示:内联;
}
.pac卡{
利润率:10px 10px 0;
边界半径:2px 0 0 2px;
框大小:边框框;
-moz框大小:边框框;
大纲:无;
盒影:0 2px 6px rgba(0,0,0,0.3);
背景色:#fff;
字体系列:Roboto;
}
#pac容器{
垫底:12px;
右边距:12px;
}
.pac控制{
显示:内联块;
填充:5px11px;
}
#搜寻{
位置:绝对位置;
}
#pac输入{
宽度:400px;
利润率:10px;
填充:0 11px 0 13px;
高度:40px;
背景色:#fff;
字体系列:Roboto;
字号:17px;
字体大小:300;
文本溢出:省略号;
宽度:320px;
高度:40px;
边框宽度:2倍;
边框:白色;
盒影:无;
边界半径:2px;
盒影:rgba(0,0,0,0.3)0px 1px 4px-1px;
字体系列:机械字体、Arial字体、无衬线字体;
字体大小:400;
颜色:灰色;
}
#pac输入:焦点{
边框颜色:#4d90fe;
颜色:黑色;
}
#头衔{
颜色:#fff;
背景色:#4d90fe;
字体大小:25px;
字号:500;
填充:6px 12px;
}
#目标{
宽度:345px;
}
一区
区域2
区域3
区域4
区域5
第6区
//本例使用Google Place Autocomplete将搜索框添加到地图中
//特色。人们可以进入地理搜索。搜索框将返回一个
//包含位置和预测搜索词组合的拾取列表。
//此示例需要Places库。包括图书馆=地方
//第一次加载API时的参数。例如:
//
函数initAutocomplete(){
var map=new google.maps.map(document.getElementById('map'){
缩放:5,
中心:{lat:52.656963,lng:-112.506664},
手势处理:'贪婪',
mapTypeControl:false
});
var area1=新的google.maps.Data();
var area2=新的google.maps.Data();
var area3=新的google.maps.Data();
var area4=新的google.maps.Data();
var area5=新的google.maps.Data();
区域1.loadGeoJson('https://api.myjson.com/bins/myw18');
区域2.loadGeoJson('https://api.myjson.com/bins/nkbn0');
区域3.loadGeoJson('https://api.myjson.com/bins/cwnws');
区域4.loadGeoJson('https://api.myjson.com/bins/106pnw');
区域5.loadGeoJson('https://api.myjson.com/bins/7lwmk');
如果(区域1.选中){
var area1=新的google.maps.Data();
var area2=零;
var area3=零;
var区域4=空;
var区域5=空;
}否则如果(区域2.选中){
var area1=null;
var area2=新的google.maps.Data();
var area3=零;
var区域4=空;
var区域5=空;
}否则,如果(区域3.选中){
var area1=null;
var area2=零;
var area3=新的google.maps.Data();
var区域4=空;
var区域5=空;
}否则,如果(区域4.选中){
var area1=null;
var area2=零;
var area3=零;
var area4=新的google.maps.Data();
var区域5=空;
}否则,如果(区域5.选中){
var area1=null;
var area2=零;
var area3=零;
var区域4=空;
var area5=新的google.maps.Data();
}
map.data.setStyle(函数(特性){
返回{
fillColor:feature.getProperty('COLOR'),
冲程重量:1,
strokeColor:'黑色',
填充不透明度:0.4,
笔划不透明度:0.7,
zIndex:0
};
});
//信息窗口
var infoWindow=new google.maps.infoWindow({
zIndex:2
});
map.data.addListener('click',函数(事件){
map.data.revertStyle();
overrideStyle(event.feature,{strokeWeight:2,strokeColor:'black',zIndex:1});
var CDNAME=event.feature.getProperty('CDNAME');
var COLOR=event.feature.getProperty('COLOR');
infoWindow.setPosition(event.latLng);
infoWindow.setOptions({
像素偏移:{宽度:0,高度:-3}
});
infoWindow.setContent(
“CDNAME:”+CDNAME+“
“+
“颜色:”+颜色+“”
);
打开(地图);
});
map.data.addListener('clickout',函数(事件){
map.data.revertStyle();
infoWindow.close();
});
map.data.addListener('mouseover',函数(事件){
map.data.revertStyle();
map.dat
var area1 = new google.maps.Data();
var area2 = new google.maps.Data();
var area3 = new google.maps.Data();
var area4 = new google.maps.Data();
var area5 = new google.maps.Data();
area1.loadGeoJson('https://api.myjson.com/bins/myw18');
area2.loadGeoJson('https://api.myjson.com/bins/nkbn0');
area3.loadGeoJson('https://api.myjson.com/bins/cwnws');
area4.loadGeoJson('https://api.myjson.com/bins/106pnw');
area5.loadGeoJson('https://api.myjson.com/bins/7lwmk');
setArea();
function setArea() {
area1.setMap(document.getElementById('area1').checked ? map : null);
area2.setMap(document.getElementById('area2').checked ? map : null);
area3.setMap(document.getElementById('area3').checked ? map : null);
area4.setMap(document.getElementById('area4').checked ? map : null);
area5.setMap(document.getElementById('area5').checked ? map : null);
}