Javascript 如何从单张多边形中获取坐标
我使用传单绘制多边形。我成功地做到了这一点,但当我单击“编辑”时,我可以编辑多边形,但它无法将坐标提取到HTML、、“坐标”字段中。我如何才能做到这一点?有什么问题吗?谢谢!我将坐标保存到MYSQL数据库中作为VARCHAR。谢谢Javascript 如何从单张多边形中获取坐标,javascript,php,mysql,leaflet,Javascript,Php,Mysql,Leaflet,我使用传单绘制多边形。我成功地做到了这一点,但当我单击“编辑”时,我可以编辑多边形,但它无法将坐标提取到HTML、、“坐标”字段中。我如何才能做到这一点?有什么问题吗?谢谢!我将坐标保存到MYSQL数据库中作为VARCHAR。谢谢 $(".edit_zona").click(function(){ var id_zona = $(this).attr("id").substring(10); //alert(id_zona);
$(".edit_zona").click(function(){
var id_zona = $(this).attr("id").substring(10);
//alert(id_zona);
$.ajax({
type: "POST",
url: "ajax/edit_zona.php",
data:{
id: id_zona
},
cache:false,
dataType: "html"
}).done(function(ms){
$("#response").html(ms);
var osmUrl = 'https://api.mapbox.com/styles/v1/mapbox/streets-v10/tiles/{z}/{x}/{y}?access_token=pk.eyJ1IjoibWVnYTYzODIiLCJhIjoiY2ozbXpsZHgxMDAzNjJxbndweDQ4am5mZyJ9.uHEjtQhnIuva7f6pAfrdTw',
osmAttrib = '© <a href="http://openstreetmap.org/copyright">OpenStreetMap</a> contributors',
osm = L.tileLayer(osmUrl, { maxZoom: 18, attribution: osmAttrib }),
map = new L.Map('map', { center: new L.LatLng(44.9323281,26.0306833), zoom: 12.25 }),
drawnItems = L.featureGroup().addTo(map);
L.control.layers({
'osm': osm.addTo(map)
},).addTo(map);
function stringToGeoPoints( geo ) {
var linesPin = geo.split(",");
var linesLat = new Array();
var linesLng = new Array();
for(i=0; i < linesPin.length; i++) {
if(i % 2) {
linesLng.push(linesPin[i]);
}else{
linesLat.push(linesPin[i]);
}
}
var latLngLine = new Array();
for(i=0; i<linesLng.length;i++) {
latLngLine.push( L.latLng( linesLat[i], linesLng[i]));
}
return latLngLine;
}
var zona = JSON.parse('<?php echo json_encode($arr) ?>');
for(var i=0; i < zona.length; i++) {
//console.log(zona[i]['geolocatii']);
var polygon = L.polygon( stringToGeoPoints(zona[i]['geolocatii']), { color: 'red'}).addTo(map);
polygon.editing.enable();
}
map.addControl(new L.Control.Draw({
draw : {
position : 'topleft',
polygon : true,
polyline : false,
rectangle : false,
circle : false,
marker: false,
circlemarker: false
},
edit : {
featureGroup: drawnItems
}
}));
var featureGroup = L.featureGroup().addTo(map);
function drawArea() {
var polygon;
var draggableAreaMarkers = new Array();
if(polygon != null) {
map.removeLayer( polygon );
}
var latLngAreas = new Array();
for(i=0; i<draggableAreaMarkers.length; i++) {
if(draggableAreaMarkers[i] != "") {
latLngAreas.push( L.latLng( draggableAreaMarkers[ i ].getLatLng().lat, draggableAreaMarkers[ i ].getLatLng().lng));
}
}
if(latLngAreas.length > 1) {
// create a blue polygon from an array of LatLng points
polygon = L.polygon( latLngAreas, { color: 'blue' }).addTo(map);
}
if(polygon != null) {
// zoom the map to the polygon
map.fitBounds( polygon.getBounds() );
}
}
map.on('draw:created', function (e) {
var type = e.layerType,
layer = e.layer;
if (type === 'marker') {
layer.bindPopup('Call Point!');
}
drawnItems.addLayer(layer);
var shapes = getShapes(drawnItems);
console.log("shapes",shapes);
var points = e.layer.getLatLngs();
var puncte = JSON.stringify(points);
// console.log(puncte);
});
map.on(L.Draw.Event.CREATED, function (e) {
map.addLayer(e.layer);
var points = e.layer.getLatLngs();
puncte1=points.join(',');
puncte1=puncte1.toString();
puncte1=points.join(',').match(/([\d\.]+)/g).join(',')
//console.log(puncte1);
$('#geo').val(puncte1);
//console.log(puncte1);
});
var getShapes = function (drawnItems) {
var shapes = [];
shapes["polyline"] = [];
shapes["circle"] = [];
shapes["marker"] = [];
drawnItems.eachLayer(function (layer) {
// Note: Rectangle extends Polygon. Polygon extends Polyline.
// Therefore, all of them are instances of Polyline
if (layer instanceof L.Polyline) {
shapes["polyline"].push(layer.getLatLngs())
}
if (layer instanceof L.Circle) {
shapes["circle"].push([layer.getLatLng()])
}
if (layer instanceof L.Marker) {
shapes["marker"].push([layer.getLatLng()],layer.getRadius());
}
});
return shapes;
};
var arr = JSON.parse( '<?php echo json_encode($arr) ?>' );
console.log(arr);
});
});
$(“.edit_zona”)。单击(函数(){
var id_zona=$(this).attr(“id”).substring(10);
//警报(id_zona);
$.ajax({
类型:“POST”,
url:“ajax/edit_zona.php”,
数据:{
id:id_zona
},
cache:false,
数据类型:“html”
}).done(功能(毫秒){
$(“#回复”).html(ms);
瓦尔·奥斯穆尔https://api.mapbox.com/styles/v1/mapbox/streets-v10/tiles/{z} /{x}/{y}?访问_令牌=pk.eyj1ijoibwvnytyzoiljhijoi2ozbxpszhgxmdaznjxbndwedq4am5mzyj9.uHEjtQhnIuva7f6pAfrdTw',
osmAttrib=“©;贡献者”,
osm=L.tileLayer(osmUrl,{maxZoom:18,attribution:osmAttrib}),
map=newl.map('map',{中心:newl.LatLng(44.9323281,26.0306833),缩放:12.25}),
drawnItems=L.featureGroup().addTo(映射);
控制层({
“osm”:osm.addTo(映射)
}添加到(地图);
函数stringToGeoPoints(geo){
var linesPin=geo.split(“,”);
var linesLat=新数组();
var linesLng=新数组();
对于(i=0;i 对于(i=0;i,BBox工具可能会对您有所帮助:
该工具基于传单绘制插件,配备坐标网格。绘制方框后,您将获得URl路径中的坐标。或许BBox工具将对您有所帮助:
该工具基于传单绘制插件,配备了坐标网格。一旦你绘制了框,你就会在你的URl路径中获得坐标。我可能会建议在多边形中添加一个dragend
事件侦听器,然后可以捕获点的新位置id something@RamRaider,但它给我带来了一些东西rd…我可能会建议在多边形中添加一个dragend
事件侦听器,然后可以捕获PointsId something@RamRaider的新位置,但这让我觉得有些奇怪。。。