featureUpdate.js
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/*
* 空间图层数据添加、修改、删除
* */
import {loadModules} from "esri-loader"
export default {
methods:{
addGraphic(url,graphic,callBackFunction){
loadModules([
"esri/layers/FeatureLayer",
"esri/Graphic",
"esri/geometry/Point",
"esri/geometry/Polygon",
"esri/geometry/Polyline"
]).then(([
FeatureLayer,
Graphic,
Point,
Polygon,
Polyline
])=>{
var featureLayer = new FeatureLayer({
url:url
})
var geo = null;
if(graphic.geometry.type == 'point'){
geo = new Point(graphic.geometry);
}else if(graphic.geometry.type == 'polyline'){
geo = new Polyline(graphic.geometry);
}else if(graphic.geometry.type == 'polygon'){
geo = new Polygon(graphic.geometry);
}
var saveGraphic = new Graphic({
attributes:graphic.attributes,
geometry:geo
});
featureLayer.applyEdits({
addFeatures:[saveGraphic]
}).then(function (res){
if(callBackFunction && typeof callBackFunction == 'function'){
callBackFunction(res);
}
})
}).catch( err => {
throw (err);
})
},
updateGraphic(url,graphic,callBackFunction){
loadModules([
"esri/layers/FeatureLayer",
"esri/Graphic",
"esri/geometry/Point",
"esri/geometry/Polygon",
"esri/geometry/Polyline"
]).then(([
FeatureLayer,
Graphic,
Point,
Polygon,
Polyline
])=>{
var featureLayer = new FeatureLayer({
url:url
})
var geo = null;
if(graphic.geometry.type == 'point'){
geo = new Point(graphic.geometry);
}else if(graphic.geometry.type == 'polyline'){
geo = new Polyline(graphic.geometry);
}else if(graphic.geometry.type == 'polygon'){
geo = new Polygon(graphic.geometry);
}
var updGraphic = new Graphic({
attributes:graphic.attributes,
geometry:geo
});
featureLayer.applyEdits({
updateFeatures:[updGraphic]
}).then(function (res){
if(callBackFunction && typeof callBackFunction == 'function'){
callBackFunction(res);
}
})
}).catch( err => {
throw (err);
})
},
delGraphic(url,graphic,callBackFunction){
loadModules([
"esri/layers/FeatureLayer",
"esri/Graphic",
"esri/geometry/Point",
"esri/geometry/Polygon",
"esri/geometry/Polyline"
]).then(([
FeatureLayer,
Graphic,
Point,
Polygon,
Polyline
])=>{
var featureLayer = new FeatureLayer({
url:url
})
var geo = null;
if(graphic.geometry.type == 'point'){
geo = new Point(graphic.geometry);
}else if(graphic.geometry.type == 'polyline'){
geo = new Polyline(graphic.geometry);
}else if(graphic.geometry.type == 'polygon'){
geo = new Polygon(graphic.geometry);
}
var delGraphic = new Graphic({
attributes:graphic.attributes,
geometry:geo
});
featureLayer.applyEdits({
deleteFeatures:[delGraphic]
}).then(function (res){
if(callBackFunction && typeof callBackFunction == 'function'){
callBackFunction(res);
}
})
}).catch( err => {
throw (err);
})
}
}
}