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Google Map 学习过程中的代码

GoogleMap学习代码 过程
2023-09-27 14:20:05 时间

<!DOCTYPE html>
<html>
<head>
<title>Simple click event</title>
<meta name="viewport" content="initial-scale=1.0, user-scalable=no">
<meta charset="utf-8">
<style>
html, body {
height: 100%;
margin: 0;
padding: 0;
}
#map {
height: 100%;
}
#hiddenUI , #showUI , #delUI , #addUI , #removePathUI{
background-color: #fff;
border: 2px solid #fff;
border-radius: 3px;
box-shadow: 0 2px 6px rgba(0,0,0,.3);
cursor: pointer;
float: left;
margin-bottom: 22px;
text-align: center;
}
#hiddenText , #showText , #delText , #addText , #removePathText{
color: rgb(25,25,25);
font-family: Roboto,Arial,sans-serif;
font-size: 15px;
line-height: 25px;
padding-left: 5px;
padding-right: 5px;
}
#showUI , #delUI , #addUI ,#removePathUI{
margin-left: 5px;
}
</style>

</head>
<body>
<div id="map"></div>
<script>
// 存储marker
var markers = [];
// marker范围
var bounds = {
north: 36.104595,
south: 36.063254,
east: 120.349731,
west: 120.428695
};
// 具体范围
var lngSpan = bounds.east - bounds.west;
var latSpan = bounds.north - bounds.south;

function initMap() {
var myLatlng = {lat: -25.363, lng: 131.044};
var qingdao = {lat: 36.06616, lng: 120.3829};
var other = {lat: 36.964, lng: -122.015};
// 自定义样式
var styles = [
{
stylers: [
{ hue: "#00ffe6" },
{ saturation: -20 }
]
},{
featureType: "road",
elementType: "geometry",
stylers: [
{ lightness: 100 },
{ visibility: "simplified" }
]
},{
featureType: "road",
elementType: "labels",
stylers: [
{ visibility: "off" }
]
}
];


// 设置地图样式
var styledMap = new google.maps.StyledMapType(styles,
{name: "自定义Map"});
var map = new google.maps.Map(document.getElementById('map'), {
zoom: 12,
center: qingdao,
rotateControl: true, // 旋转控件 只在放大到一定比例时才可以使用
// mapTypeId : google.maps.MapTypeId.SATELLITE,// 显示卫星地图
mapTypeId : google.maps.MapTypeId.ROADMAP, // 道路地图
heading: 180 // 表示偏离北方的角度
});
// 自定义地图样式
var mapOptions = {
zoom: 12,
center: qingdao,
mapTypeControlOptions: {
mapTypeIds: [google.maps.MapTypeId.ROADMAP, 'map_style']
}
};
// 对地图重新设置
var map = new google.maps.Map(document.getElementById('map'),
mapOptions);

// 显示45度图像 0 为不显示
map.setTilt(45);
// 设置样式
map.mapTypes.set('map_style', styledMap);
// map.setMapTypeId('map_style');

// 设置地图样式
// map.setOptions({styles: styles});

var marker = new google.maps.Marker({
position: qingdao,
// map: map, 可是通过 marker.setMap(map);来显示
title: 'hello marker'
});

// 设置显示marker
// marker.setMap(map); // 设置为空为不显示


function Control(controlDiv, map) {

// 隐藏按钮
var hiddenUI = document.createElement('div');
hiddenUI.id = 'hiddenUI';
hiddenUI.title = 'Click to hidden all marker';
controlDiv.appendChild(hiddenUI);

// Set CSS for the control interior.
var hiddenText = document.createElement('div');
hiddenText.id = 'hiddenText';
hiddenText.innerHTML = '隐藏标记';
hiddenUI.appendChild(hiddenText);

// 显示按钮
var showUI = document.createElement('div');
showUI.id = 'showUI';
showUI.title = 'Click to show all marker';
controlDiv.appendChild(showUI);

var showText = document.createElement('div');
showText.id = 'showText';
showText.innerHTML = '显示标记';
showUI.appendChild(showText);

// 删除按钮
var delUI = document.createElement('div');
delUI.id = 'delUI';
delUI.title = 'Click to delete all marker';
controlDiv.appendChild(delUI);

var delText = document.createElement('div');
delText.id = 'delText';
delText.innerHTML = '删除标记';
delUI.appendChild(delText);

// 添加标记按钮
var addUI = document.createElement('div');
addUI.id = 'addUI';
addUI.title = 'Click to delete all marker';
controlDiv.appendChild(addUI);

var addText = document.createElement('div');
addText.id = 'addText';
addText.innerHTML = '添加标记';
addUI.appendChild(addText);

// 移除线路按钮
var removePathUI = document.createElement('div');
removePathUI.id = 'removePathUI';
removePathUI.title = 'Click to delete path';
controlDiv.appendChild(removePathUI);

var removePathText = document.createElement('div');
removePathText.id = 'removePathText';
removePathText.innerHTML = '去除路线';
removePathUI.appendChild(removePathText);

// 隐藏所有标记
hiddenUI.addEventListener('click', function() {
setMapOnAll(null);
});
// 显示所有标记
showUI.addEventListener('click', function() {
setMapOnAll(map);
});
// 清除所有标记
delUI.addEventListener('click', function() {
setMapOnAll(null);
markers = [];
});
// 添加一个随机标记
addUI.addEventListener('click', function() {
randomMarker(map);
});
// 去除路线
removePathUI.addEventListener('click', function() {
flightPath.setMap(null);
workStart.setMap(null);
workEnd.setMap(null);
})

}
var centerControlDiv = document.createElement('div');
var centerControl = new Control(centerControlDiv, map);
// centerControlDiv.index = 1;
centerControlDiv.style['margin-top'] = '10px';
map.controls[google.maps.ControlPosition.TOP_CENTER].push(centerControlDiv);



// 划折线
var flightPlanCoordinates = [
{lat: 36.075620815001415, lng: 120.43020844459534},
{lat: 36.074025246504746, lng: 120.4285454750061},
{lat: 36.069949462636, lng: 120.43118476867676},
{lat: 36.06604691846644, lng: 120.42285919189453},
{lat: 36.074025246504746, lng: 120.4139757156372},
];
var flightPath = new google.maps.Polyline({
path: flightPlanCoordinates,
geodesic: true,
strokeColor: '#FF0000',
strokeOpacity: 1.0,
strokeWeight: 2
});

flightPath.setMap(map);

var workStart = new google.maps.Marker({
position: flightPlanCoordinates[0],
label: "起",
title: "上班起点",
map: map
});
var workEnd = new google.maps.Marker({
position: flightPlanCoordinates[(flightPlanCoordinates.length-1)],
label: "终", // label 只显示第一个字符
title: "上班终点",
map: map
});

// 绘制多边形
var triangleCoords = [
{lat: 36.06602136399105, lng: 120.35249282982409},
{lat: 36.082132409147086, lng: 120.42076576221541},
{lat: 36.10016285436, lng: 120.3873546955059},
{lat: 36.06602136399105, lng: 120.35249282982409},
];

// Construct the polygon.
var bermudaTriangle = new google.maps.Polygon({
paths: triangleCoords,
strokeColor: '#32CD32',
strokeOpacity: 0.8,
strokeWeight: 2,
fillColor: '#3CB371',
fillOpacity: 0.35
});
bermudaTriangle.setMap(map);

// 绘制矩形
var rectangle = new google.maps.Rectangle({
draggable: true, // 是否可拖动
editable: true, // 是否可编辑
strokeColor: '#FF0000',
strokeOpacity: 0.8,
strokeWeight: 2,
fillColor: '#FF0000',
fillOpacity: 0.35,
map: map,
bounds: {
north: 36.114595,
south: 36.104595,
east: 120.369731,
west: 120.349731
}
});
// 绘制圆形
var cityCircle = new google.maps.Circle({
draggable: true, // 是否可拖动
editable: false, // 是否可编辑
strokeColor: '#FF0000',
strokeOpacity: 0.8,
strokeWeight: 2,
fillColor: '#FF0000',
fillOpacity: 0.35,
map: map,
center: qingdao,
radius: 600 // 单位米
});


// var marker = new google.maps.Marker({
// position: myLatlng,
// map: map,
// title: 'Click to zoom'
// });

// map.addListener('center_changed', function() {
// // 3 seconds after the center of the map has changed, pan back to the
// // marker.
// window.setTimeout(function() {
// map.panTo(marker.getPosition());
// }, 3000);
// });

// map.addListener('zoom_changed', function(){
// alert('当前坐标：'+JSON.stringify(myLatlng)+'\n缩放级别：'+map.getZoom());
// });

// marker.addListener('click', function() {
// map.setZoom(8);
// map.setCenter(marker.getPosition());
// });

// 设置窗口
var infowindow = new google.maps.InfoWindow({
content : "<p>改变缩放级别</p>",
position : qingdao
});
// 开启窗口
infowindow.open(map);
// 添加缩放监听事件
map.addListener('zoom_changed',function() {
infowindow.setContent('zoom: '+map.getZoom());
});

// map.addListener('click', function(e) {
// var latLng = e.latLng;

// // 添加Dom监听事件
// // var listener = google.maps.event.addDomListener(map, 'click', function() {
// // 点击后移除
// // var listener = google.maps.event.addDomListenerOnce(map, 'click', function() {
// // window.alert('坐标：'+latLng);
// // });
// // 删除监听事件
// // google.maps.event.removeListener(listener);
// // 从一个特定实例中删除所有侦听器
// // google.maps.event.clearInstanceListeners(map);

// // 添加标记
// placeMakerAndPanTo(latLng, map);

// });

// 绘图监听事件
map.addListener('click',addLatLng);

poly = new google.maps.Polyline({
draggable: true, // 是否可拖动
editable: true, // 是否可编辑
strokeColor: '#00FA9A',
strokeOpacity: 1.0,
strokeWeight: 3
});
poly.setMap(map);


}
// 绘制线路
var poly;
function addLatLng(event) {
var path = poly.getPath();
path.push(event.latLng);
}


// 四舍五入
function ForDight(Dight,How){
Dight = Math.round(Dight*Math.pow(10,How))/Math.pow(10,How);
return Dight;
}
// label显示
var labels = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
var labelIndex = 0;

// 添加标记
function placeMakerAndPanTo(latLng, map) {
var marker = new google.maps.Marker({
position: latLng,
draggable: true,// 标记可移动
animation: google.maps.Animation.DROP,//掉下来效果 BOUNCE 反弹效果
label: labels[labelIndex++ % labels.length],//取余数显示
// icon: url, 用自定义图片显示
map: map
});
//添加到数组
markers.push(marker);
map.panTo(latLng);
// var changeLatLng = JSON.stringify(latLng);
// console.log(changeLatLng[0]);
var infowindow = new google.maps.InfoWindow();
marker.addListener('click', function() {
infowindow.setContent("坐标：" + latLng);
infowindow.open(marker.get('map'),marker);
});

}
// 设置标记
function setMapOnAll(map) {
for(var i = 0; i < markers.length; i++){
markers[i].setMap(map);
}
}
// 随机降落
function randomMarker(map) {
var marker = new google.maps.Marker({
position:{
lat: bounds.south + latSpan * Math.random(),
lng: bounds.west + lngSpan * Math.random()
},
draggable: true,// 标记可移动
animation: google.maps.Animation.BOUNCE,//掉下来效果 BOUNCE 反弹效果
map: map
});
markers.push(marker);

// 显示坐标
var infowindow = new google.maps.InfoWindow({
content: '坐标：'+marker.getPosition()
});
marker.addListener('click', function() {
infowindow.open(marker.get('map'),marker);
});
}

</script>
<script src="https://maps.googleapis.com/maps/api/js?key=AIzaSyB0DE981xQTW4qS9XKyqL-Ay_ImoKlHlc8&callback=initMap" async defer>
</script>
</body>
</html>

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