1 <template>
2 <div v-if="showMapDialog">
3 <el-dialog title="查看灯杆分布" :visible="visible" @close="closeDia">
4 <div id="map"></div>
5 </el-dialog>
6 </div>
7 </template>
8
9 <script>
10 import { Scene, Marker, MarkerLayer, PointLayer, Popup } from "@antv/l7";
11 import { GaodeMap } from "@antv/l7-maps";
12 import locationImg from "@/modules/intelLamp/assets/image/icon-light.png";
13 export default {
14 props: {
15 showMapDialog: {
16 type: Boolean,
17 default() {
18 return false; // 帐号状态 true正常 false异常
19 }
20 },
21 coordinateList: {
22 type: Array,
23 default() {
24 return [];
25 }
26 }
27 },
28 data() {
29 return {
30 scene: null,
31 visible: false,
32 clusterMarkerLayer: null
33 };
34 },
35 watch: {
36 showMapDialog(val) {
37 this.visible = val;
38 if (this.visible) {
39 this.$nextTick(() => {
40 this.initMap();
41 });
42 }
43 }
44 },
45 beforeDestroy() {
46 if (this.scene) {
47 this.scene.destroy();
48 }
49 },
50 methods: {
51 closeDia() {
52 this.$emit("update:showMapDialog", false);
53 },
54 getBounds(
55 nodes,
56 defineKey = {
57 x: "lng",
58 y: "lat"
59 }
60 ) {
61 let min_x, min_y, max_x, max_y;
62 nodes.forEach(node => {
63 min_x = min_x ? min_x : node[defineKey.x];
64 min_x = min_x < node[defineKey.x] ? min_x : node[defineKey.x];
65 min_y = min_y ? min_y : node[defineKey.y];
66 min_y = min_y < node[defineKey.y] ? min_y : node[defineKey.y];
67 max_x = max_x ? max_x : node[defineKey.x];
68 max_x = max_x > node[defineKey.x] ? max_x : node[defineKey.x];
69 max_y = max_y ? max_y : node[defineKey.y];
70 max_y = max_y > node[defineKey.y] ? max_y : node[defineKey.y];
71 });
72 let offset_x = max_x - min_x;
73 min_x = min_x - offset_x;
74 max_x = max_x + offset_x;
75 let offset_y = max_y - min_y;
76 min_y = min_y - offset_y;
77 max_y = max_y + offset_y;
78
79 return [
80 [min_x, min_y],
81 [max_x, max_y]
82 ];
83 },
84 // 删除聚合图层
85 removeClusterMarkerLayer() {
86 if (this.clusterMarkerLayer) {
87 this.clusterMarkerLayer.destroy();
88 this.scene.removeMarkerLayer(this.clusterMarkerLayer);
89 }
90 },
91 initMap() {
92 this.scene = new Scene({
93 id: "map",
94 logoVisible: false, // 关闭L7的logo
95 map: new GaodeMap({
96 style: "dark",
97 center: [118.788336, 32.022806],
98 pitch: 0,
99 zoom: 12,
100 token: "c6f04d87fd44069967d71742e2507919"
101 })
102 });
103 // 加载的AMap会挂载在全局的window对象上
104 this.scene.on("loaded", () => {
105 window.AMap.plugin(["AMap.ToolBar"], () => {
106 this.scene.map.addControl(new AMap.ToolBar());
107 });
108 // 添加 Marker 统一管理图层
109 if (this.clusterMarkerLayer) {
110 this.removeClusterMarkerLayer();
111 }
112 this.clusterMarkerLayer = new MarkerLayer();
113 for (let i = 0; i < this.coordinateList.length; i++) {
114 const el = document.createElement("label");
115 let popup = new Popup({
116 anchor: "top"
117 })
118 .setText(this.coordinateList[i].name)
119 .setLngLat({
120 lng: this.coordinateList[i].lng,
121 lat: this.coordinateList[i].lat
122 });
123 el.className = "labelclass";
124 el.style.background = `url(${locationImg}) no-repeat`;
125 el.style.width = `30px`;
126 el.style.height = `30px`;
127 el.style.backgroundSize = "100%";
128 const marker = new Marker({
129 element: el
130 })
131 .setLnglat({
132 lng: this.coordinateList[i].lng,
133 lat: this.coordinateList[i].lat
134 })
135 .setPopup(popup);
136 this.clusterMarkerLayer.addMarker(marker);
137 }
138 this.scene.addMarkerLayer(this.clusterMarkerLayer);
139 let bounds = this.getBounds(this.coordinateList);
140 this.scene.fitBounds(bounds);
141 });
142 }
143 }
144 };
145 </script>
146
147 <style scoped lang="scss">
148 #map {
149 position: relative;
150 height: 600px;
151 }
152 </style>
标签：node,min,灯杆,scene,clusterMarkerLayer,空间数据,L7,max,defineKey From： https://www.cnblogs.com/guwufeiyang/p/18129458