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1.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>001</title>
<!-- <link rel="stylesheet" href="./leaflet/leaflet.css"/>
<script src="./leaflet/leaflet.js"></script>
<script src="./leaflet-src.esm.js"></script>
<script src="./leaflet-src.esm.js.map"></script>
<script src="./leaflet-src.js"></script>
<script src="./leaflet-src.js.map"></script>
<script src="d:\src\layer\Layer.js"></script> -->
<link rel="stylesheet" href="https://unpkg.com/[email protected]/dist/leaflet.css"
integrity="sha512-xwE/Az9zrjBIphAcBb3F6JVqxf46+CDLwfLMHloNu6KEQCAWi6HcDUbeOfBIptF7tcCzusKFjFw2yuvEpDL9wQ==" crossorigin="">
<script src="https://unpkg.com/[email protected]/dist/leaflet.js"
integrity="sha512-gZwIG9x3wUXg2hdXF6+rVkLF/0Vi9U8D2Ntg4Ga5I5BZpVkVxlJWbSQtXPSiUTtC0TjtGOmxa1AJPuV0CPthew==" crossorigin=""></script>
</head>
<style>
#mapid{ height: 400px }
#mapid2{
height: 400px ;
position: relative;
border: 3px;
border-color: red;
}
</style>
<body>
<div id="mapid"></div>
<div id="mapid2"></div>
<input type="button" id="circle" value="绘制圆" onclick="drawCircle()" />
<input type="button" value="绘制多边形" onclick="drawPolygon()">
<input type="button" id="clear" value="清除圆形" onclick="removeCircle()"/>
<input type="button" id="clear" value="清除多边形" onclick="removePolygon()"/>
<input type="button" id="clearAll" value="全部清除" onclick="removeAll()" />
</body>
<script>
var mymap = L.map('mapid').setView([31.82658, 117.23344], 11);
L.tileLayer('http://wprd0{s}.is.autonavi.com/appmaptile?x={x}&y={y}&z={z}&lang=zh_cn&size=1&scl=1&style=7',
{
subdomains: '1234',
}, {
maxZoom: 18//最大缩放
}).addTo(mymap);
var mymap2 = L.map('mapid2').setView([31.82658, 117.23344], 13);;
L.tileLayer('http://wprd0{s}.is.autonavi.com/appmaptile?x={x}&y={y}&z={z}&lang=zh_cn&size=1&scl=1&style=7',
{
subdomains: '1234',
}, {
maxZoom: 18//最大缩放
}).addTo(mymap2);
mymap2.dragging.disable();
var scale = L.control.scale({maxWidth:200,metric:true,imperial:false}).addTo(mymap);
//圆形
var circle = L.circle([31.82658, 117.23344], {
color: 'red',
fillColor: '#f03',
fillOpacity: 0.5,
radius: 500
}).addTo(mymap);
var greenIcon = new L.Icon({
iconUrl: 'https://cdn.rawgit.com/pointhi/leaflet-color-markers/master/img/marker-icon-2x-green.png',
shadowUrl: 'https://cdnjs.cloudflare.com/ajax/libs/leaflet/0.7.7/images/marker-shadow.png',
iconSize: [25, 41],
iconAnchor: [12, 41],
popupAnchor: [1, -34],
shadowSize: [41, 41]
});
var marker1 = L.marker([31.82658, 117.23344]).addTo(mymap).bindPopup("a大厦").openPopup()
var marker2 = L.marker([31.8, 117.2]).addTo(mymap).bindPopup("b大厦").openPopup();
var marker3 = L.marker([31.8265, 117.23354]).addTo(mymap).bindPopup("c大厦").openPopup();
var marker4 = L.marker([31.85668, 117.23244]).addTo(mymap).bindPopup("d大厦").openPopup();
var marker5 = L.marker([31.86678, 117.237]).addTo(mymap).bindPopup("e大厦").openPopup();
var marker6 = L.marker([31.87223, 117.22]).addTo(mymap).bindPopup("f大厦").openPopup();
var marker7 = L.marker([31.85345, 117.2321]).addTo(mymap).bindPopup("g大厦").openPopup();
var marker8 = L.marker([31.80546, 117.23224]).addTo(mymap).bindPopup("h大厦").openPopup();
var marker9 = L.marker([31.81345, 117.23347]).addTo(mymap).bindPopup("i大厦").openPopup();
var marker21 = L.marker([31.82658, 117.23344]).addTo(mymap2).bindPopup("a大厦").openPopup();
var marker22 = L.marker([31.8, 117.2]).addTo(mymap2).bindPopup("b大厦").openPopup();
var marker23 = L.marker([31.8265, 117.23354]).addTo(mymap2).bindPopup("c大厦").openPopup();
var marker24 = L.marker([31.85668, 117.23244]).addTo(mymap2).bindPopup("d大厦").openPopup();
var marker25 = L.marker([31.86678, 117.237]).addTo(mymap2).bindPopup("e大厦").openPopup();
var marker26 = L.marker([31.87223, 117.22]).addTo(mymap2).bindPopup("f大厦").openPopup();
var marker27 = L.marker([31.85345, 117.2321]).addTo(mymap2).bindPopup("g大厦").openPopup();
var marker28 = L.marker([31.80546, 117.23224]).addTo(mymap2).bindPopup("h大厦").openPopup();
var marker29 = L.marker([31.81345, 117.23347]).addTo(mymap2).bindPopup("i大厦").openPopup();
</script>
<script>
//读取点击位置坐标并返回其经纬度
// function onMapClick(e) { alert("You clicked the map at " + e.latlng); }
//r用来存储半径，i用来存储圆心经纬度
//tempCircle是用来存放圆的图层，pop用来返回圆半径的弹窗
var r ;
var i;
var tempCircle ;
var pop;
//移除圆图层
function removeCircle(){
mymap.removeLayer(tempCircle);
}
//绘制圆
function drawCircle(){
//在绘制圆之前需要先判断是否已经绘制过了，如果有，则清空再绘制
//如果需要绘制多个圆，则不必此句
if(tempCircle){
removeCircle();
}
if(tempLines){
removePolygon();
}
r = 0;
i = null;
tempCircle = new L.circle();
mymap.dragging.disable();//将mousemove事件移动地图禁用
//监听鼠标落下事件
mymap.on('mousedown', onmouseDown);
function onmouseDown(e) {
//确定圆心
i = e.latlng
pop=L.popup().setLatLng(e.latlng);
mymap.addLayer(pop);
//监听鼠标移动事件
mymap.on('mousemove', onMove);
//监听鼠标弹起事件
mymap.on('mouseup', onmouseUp);
}
function onMove(e) {
r = L.latLng(e.latlng).distanceTo(i);//计算半径
if(r<5000){
if (i) {
//绘制圆心位置与半径
tempCircle.setLatLng(i)
tempCircle.setRadius(r)
tempCircle.setStyle({ color: '#ff0000', fillOpacity: 0 })
mymap.addLayer(tempCircle)
}
//toFixed()方法用来保留两位小数（四舍五入）
pop.setContent("绘制圆半径为："+r.toFixed(2)+"米"+i.toString());;
}else{
r=5000;
//pop.setContent("最大半径只能选择5000");;
if (i) {
tempCircle.setLatLng(i)
tempCircle.setRadius(r)
tempCircle.setStyle({ color: '#ff0000', fillOpacity: 0 })
mymap.addLayer(tempCircle)
}
pop.setContent("最大半径只能选择5000"+"绘制圆半径为："+r+"米"+i.latlng.toString());;
}
// mymap2 = L.map('mapid2').setView(i.latLng, 13);
}
function onmouseUp(e) {
/* r = L.latLng(e.latlng).distanceTo(i); */
mymap.removeLayer(pop);
L.circle(i, { radius: r, color: '#ff0000', fillOpacity: 0 });
mymap.addLayer(tempCircle);
mymap.dragging.enable();
mymap.setView(i,13);
//e.latlng.lng,e.latlng.lat
mymap2.setView(i,14);
// if((marker1.latLng.lng<=(i.latLng.lng+r))&&(marker1.latLng.lng>=(i.latLng.lng-r))&&(marker1.latLng.lag<=(i.latLng.lag+r))&&(marker1.latLng.lng>=(i.latLng.lng-r)))
// {
// var marker11 = L.marker([31.82658, 117.23344]).addTo(mymap2).bindPopup("a大厦").openPopup()
// }
i = null;
r = 0;
//取消监听事件
mymap.off('mousedown');
mymap.off('mouseup');
mymap.off('mousemove');
}
}
//移除所有图层(包括圆和多边形)
function removeAll() {
removePolygon()
removeCircle()
}
</script>
<script>
//动态绘制多边形
var points, geometry,lines,tempLines,node;
function drawPolygon(){
if(tempCircle){
removeCircle();
}
if(tempLines){
removePolygon();
}
mymap.doubleClickZoom.disable();
lines = new L.polyline([]);
tempLines = new L.polyline([],{ dashArray: 5 });
points = [];
geometry = [];
mymap.on('click', onClick); //点击地图
mymap.on('dblclick', onDoubleClick);
mymap.on('mousemove', onMove)//双击地图
function onClick(e) {
points.push([e.latlng.lat, e.latlng.lng])
lines.addLatLng(e.latlng)
mymap.addLayer(tempLines)
mymap.addLayer(lines)
node=L.circle(e.latlng, { color: '#ff0000', fillColor: 'ff0000', fillOpacity: 1 })
mymap.addLayer(node)
geometry.push(node)
var c;
c = e.latlng
mymap2.setView(c,13);
}
function onMove(e) {
if (points.length > 0) {
ls = [points[points.length - 1], [e.latlng.lat, e.latlng.lng], points[0]]
tempLines.setLatLngs(ls)
// map.addLayer(tempLines)
}
}
function onDoubleClick(e) {
geometry.push(L.polygon(points).addTo(mymap))
points = [];
node=null;
mymap.off('click', onClick); //点击地图
mymap.off('dblclick', onDoubleClick);
mymap.off('mousemove', onMove)//双击地图
mymap.doubleClickZoom.enable();
//isInPolygon(marker);
}
}
function removeCircle(){
mymap.removeLayer(tempCircle);
}
function removePolygon(){
for(let ooo of geometry){
ooo.remove();
}
mymap.removeLayer(lines);
mymap.removeLayer(tempLines);
}
</script>
</html>