import * as mars3d from "mars3d"
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export let map // mars3d.Map三维地图对象
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export let graphicLayer // 矢量图层对象
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// 需要覆盖config.json中地图属性参数（当前示例框架中自动处理合并）
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export const mapOptions = {
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scene: {
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center: { lat: 31.516143, lng: 117.282937, alt: 46242, heading: 2, pitch: -49 }
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}
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}
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/**
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* 初始化地图业务，生命周期钩子函数（必须）
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* 框架在地图初始化完成后自动调用该函数
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* @param {mars3d.Map} mapInstance 地图对象
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* @returns {void} 无
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*/
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export function onMounted(mapInstance) {
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map = mapInstance // 记录map
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// 创建Graphic图层
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graphicLayer = new mars3d.layer.GraphicLayer()
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map.addLayer(graphicLayer)
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bindLayerEvent() // 对图层绑定相关事件
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bindLayerPopup() // 在图层上绑定popup,对所有加到这个图层的矢量数据都生效
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bindLayerContextMenu() // 在图层绑定右键菜单,对所有加到这个图层的矢量数据都生效
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// 加一些演示数据
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addDemoGraphic1(graphicLayer)
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addDemoGraphic2(graphicLayer)
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addDemoGraphic3(graphicLayer)
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addDemoGraphic4(graphicLayer)
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}
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/**
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* 释放当前地图业务的生命周期函数
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* @returns {void} 无
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*/
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export function onUnmounted() {
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map = null
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}
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function addDemoGraphic1(graphicLayer) {
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const primitive = new mars3d.graphic.RectanglePrimitive({
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positions: [
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[117.220337, 31.786107],
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[117.278695, 31.832987]
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],
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style: {
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color: Cesium.Color.CYAN.withAlpha(0.4),
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label: {
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text: "我是火星科技",
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font_size: 18,
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color: "#ffffff",
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distanceDisplayCondition: true,
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distanceDisplayCondition_far: 500000,
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distanceDisplayCondition_near: 0
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}
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},
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attr: { remark: "示例1" }
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})
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graphicLayer.addGraphic(primitive) // primitive.addTo(graphicLayer) //另外一种写法
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initGraphicManager(primitive)
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}
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// 图片材质
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function addDemoGraphic2(graphicLayer) {
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const primitive = new mars3d.graphic.RectanglePrimitive({
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positions: [
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[117.337109, 31.881802],
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[117.377109, 31.941802]
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],
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style: {
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image: "img/tietu/gugong.jpg"
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},
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attr: { remark: "示例2" }
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})
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graphicLayer.addGraphic(primitive) // primitive.addTo(graphicLayer) //另外一种写法
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}
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function addDemoGraphic3(graphicLayer) {
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const primitive = new mars3d.graphic.RectanglePrimitive({
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positions: [
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[117.172852, 31.872736, 33.69],
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[117.251461, 31.956011, 26.44]
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],
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style: {
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height: 1000,
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color: "#ffff00",
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opacity: 0.4,
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label: { text: "鼠标移入会高亮" },
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// 高亮时的样式（默认为鼠标移入，也可以指定type:'click'单击高亮），构造后也可以openHighlight、closeHighlight方法来手动调用
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highlight: {
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// type: mars3d.EventType.click,
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opacity: 0.8
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}
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},
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attr: { remark: "示例3" }
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})
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graphicLayer.addGraphic(primitive) // primitive.addTo(graphicLayer) //另外一种写法
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}
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// 图片材质
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function addDemoGraphic4(graphicLayer) {
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const primitive = new mars3d.graphic.RectanglePrimitive({
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positions: [
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[117.353356, 31.82899, 10.7],
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[117.449547, 31.776242, 11.8]
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],
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style: {
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material: mars3d.MaterialUtil.createMaterial(mars3d.MaterialType.RectSlide, {
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image: "//data.mars3d.cn/file/img/world/world.jpg",
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color: Cesium.Color.WHITE.withAlpha(0.7),
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speed: 2
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})
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},
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attr: { remark: "示例4" }
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})
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graphicLayer.addGraphic(primitive) // primitive.addTo(graphicLayer) //另外一种写法
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}
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// 在图层绑定Popup弹窗
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export function bindLayerPopup() {
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graphicLayer.bindPopup(function (event) {
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const attr = event.graphic.attr || {}
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attr["类型"] = event.graphic.type
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attr["来源"] = "我是layer上绑定的Popup"
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attr["备注"] = "我支持鼠标交互"
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return mars3d.Util.getTemplateHtml({ title: "矢量图层", template: "all", attr: attr })
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})
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}
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// 在图层级处理一些事物
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function bindLayerEvent() {
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// 在layer上绑定监听事件
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graphicLayer.on(mars3d.EventType.click, function (event) {
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console.log("监听layer，单击了矢量对象", event)
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})
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/* graphicLayer.on(mars3d.EventType.mouseOver, function (event) {
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console.log("监听layer，鼠标移入了矢量对象", event)
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})
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graphicLayer.on(mars3d.EventType.mouseOut, function (event) {
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console.log("监听layer，鼠标移出了矢量对象", event)
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}) */
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}
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// 绑定右键菜单
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export function bindLayerContextMenu() {
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graphicLayer.bindContextMenu([
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{
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text: "删除对象",
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icon: "fa fa-trash-o",
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show: (event) => {
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const graphic = event.graphic
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if (!graphic || graphic.isDestroy) {
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return false
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} else {
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return true
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}
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},
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callback: function (e) {
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const graphic = e.graphic
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if (!graphic) {
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return
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}
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const parent = graphic._parent // 右击是编辑点时
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graphicLayer.removeGraphic(graphic)
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if (parent) {
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graphicLayer.removeGraphic(parent)
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}
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}
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},
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{
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text: "计算周长",
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icon: "fa fa-medium",
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callback: function (e) {
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const graphic = e.graphic
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const strDis = mars3d.MeasureUtil.formatDistance(graphic.distance)
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globalAlert("该对象的周长为:" + strDis)
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}
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},
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{
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text: "计算面积",
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icon: "fa fa-reorder",
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callback: function (e) {
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const graphic = e.graphic
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const strArea = mars3d.MeasureUtil.formatArea(graphic.area)
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globalAlert("该对象的面积为:" + strArea)
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}
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}
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])
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}
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// 也可以在单个Graphic上做个性化管理及绑定操作
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function initGraphicManager(graphic) {
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// 3.在graphic上绑定监听事件
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/* graphic.on(mars3d.EventType.click, function (event) {
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console.log("监听graphic，单击了矢量对象", event)
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})
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graphic.on(mars3d.EventType.mouseOver, function (event) {
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console.log("监听graphic，鼠标移入了矢量对象", event)
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})
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graphic.on(mars3d.EventType.mouseOut, function (event) {
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console.log("监听graphic，鼠标移出了矢量对象", event)
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}) */
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// 绑定Tooltip
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// graphic.bindTooltip('我是graphic上绑定的Tooltip') //.openTooltip()
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// 绑定Popup
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const inthtml = `<table style="width: auto;">
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<tr>
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<th scope="col" colspan="2" style="text-align:center;font-size:15px;">我是graphic上绑定的Popup </th>
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</tr>
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<tr>
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<td>提示：</td>
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<td>这只是测试信息，可以任意html</td>
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</tr>
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</table>`
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graphic.bindPopup(inthtml).openPopup()
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// 绑定右键菜单
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graphic.bindContextMenu([
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{
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text: "删除对象[graphic绑定的]",
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icon: "fa fa-trash-o",
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callback: function (e) {
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const graphic = e.graphic
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if (graphic) {
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graphic.remove()
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}
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}
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}
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])
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}
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