Javascript 传单自定义控件-角度2+;
我需要在Angular2+组件中集成自定义表单控件:Javascript 传单自定义控件-角度2+;,javascript,angular,typescript,leaflet,ngx-leaflet,Javascript,Angular,Typescript,Leaflet,Ngx Leaflet,我需要在Angular2+组件中集成自定义表单控件: export class HeatMapComponent { ... onMapReady(map: L.Map) { let div = L.DomUtil.create('div', 'info'); let info = new L.Control(); info.onAdd = () => { return div; }; info.addTo(map); } }
export class HeatMapComponent {
...
onMapReady(map: L.Map) {
let div = L.DomUtil.create('div', 'info');
let info = new L.Control();
info.onAdd = () => {
return div;
};
info.addTo(map);
}
}
以及.hmtl文件,如下所示:
<div class="map container-fluid"
leaflet [leafletOptions]="options"
[leafletLayersControl]="layersControl"
(leafletMapReady)="onMapReady($event)">
</div>
在传单文档中,它是用JS编写的,如下所示:
var info = L.control();info.onAdd = function (map) {
this._div = L.DomUtil.create('div', 'info'); // create a div with a class "info"
this.update();
return this._div;
};
// method that we will use to update the control based on feature properties passed
info.update = function (props) {
this._div.innerHTML = '<h4>US Population Density</h4>' + (props ?
'<b>' + props.name + '</b><br />' + props.density + ' people / mi<sup>2</sup>'
: 'Hover over a state');
};
info.addTo(map);
var info=L.control();info.onAdd=函数(映射){
this._div=L.DomUtil.create('div','info');//使用类“info”创建一个div
这个.update();
把这个还给我;
};
//方法,我们将使用该方法根据传递的功能属性更新控件
info.update=功能(道具){
这个._div.innerHTML=‘美国人口密度’+(道具?
''+props.name+'
'+props.density+'people/mi2'
:“悬停在状态上”);
};
信息地址(地图);
为什么我不能在onMapReady中集成addTo方法?我没有收到任何错误,但地图上没有显示任何内容。我解决了此问题,解决方案是:
onMapReady(map: leaflet.Map) {
let div = leaflet.DomUtil.create('div', 'infoControl');
let info = new leaflet.Control(); info.onAdd = () => {
return div;
};
console.log(div);
info.addTo(map);
}
您的
onMapReady
函数中的组件有一个输入错误<代码>this.infoControl=L.control应该是this.infoControl=L.control()代码>
onMapReady(map: leaflet.Map) {
let div = leaflet.DomUtil.create('div', 'infoControl');
let info = new leaflet.Control(); info.onAdd = () => {
return div;
};
console.log(div);
info.addTo(map);
}