jiangyy
4 years ago
4 changed files with 257 additions and 591 deletions
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<template> |
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<div style="position: relative"> |
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|
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<div class="div_map" |
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id="map" |
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ref="map"> |
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<!-- <div id="map" |
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class="map"></div> --> |
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</div> |
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</div> |
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</template> |
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<script> |
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import 'ol/ol.css' |
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import { Map, View } from 'ol' |
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import TileLayer from 'ol/layer/Tile.js'; |
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import XYZ from 'ol/source/XYZ.js'; |
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import VectorLayer from 'ol/layer/Vector.js'; |
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import VectorSource from 'ol/source/Vector.js'; |
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import GeoJSON from 'ol/format/GeoJSON.js'; |
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import Point from "ol/geom/Point.js"; |
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import Feature from "ol/Feature.js"; |
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import Overlay from 'ol/Overlay'; |
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import { defaults as defaultInteractions, Select, DoubleClickZoom } from 'ol/interaction.js'; |
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import { getCenter, boundingExtent } from 'ol/extent.js'; |
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import { Circle as CircleStyle, Icon, Fill, Stroke, Style, Text } from 'ol/style.js'; |
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import { mapGetters } from "vuex"; |
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import { Loading } from 'element-ui'; //引入Loading服务 |
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import { requestPost } from "@/js/dai/request"; |
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let loading;//加载动画 |
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let map; |
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let mapView; |
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let gaodeMapLayer;//背景地图图层 |
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let polygonLayer;//区域标注图层 |
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let iconLayer; // icon标注图层 |
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let iconSource; // icon |
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let polygonSource;//标注多边形 |
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let select;//选中标注 |
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//url图标 |
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let iconUrlArray = [ |
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'https://elink-esua-epdc.oss-cn-qingdao.aliyuncs.com/epmet/test/20211116/a219130b6bc74b0b80b5ddb0fce0892a.png', |
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'https://elink-esua-epdc.oss-cn-qingdao.aliyuncs.com/epmet/test/20211116/a775d15e62374350b80e5cdf1912a4eb.png', |
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'https://elink-esua-epdc.oss-cn-qingdao.aliyuncs.com/epmet/test/20211116/884efcf6d6b44224a7fda599dd1b14cb.png' |
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]; |
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let textColorArray = [ |
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'rgba(236, 69, 4, 0.66)', |
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'rgba(0, 146, 238, 0.75)', |
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'rgba(238, 151, 0, 0.8)' |
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]; |
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let polygonColorArray = [ |
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'rgba(210, 2, 2, 0.24)', |
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'rgba(43, 231, 253, 0.25)', |
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'rgba(183, 185, 0, 0.16)' |
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]; |
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//变电站标注的文字样式 |
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var createTextStyle = function (feature) { |
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return new Text({ |
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textAlign: undefined, |
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font: "18px Arial", |
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//fontFamily: "Courier New, monospace", |
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// fontWeight: "bold", |
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text: feature.values_.name, |
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backgroundFill: new Fill({ |
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// color: 'rgba(0, 146, 238, 0.75)' |
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color: textColorArray[feature.values_.index - 1] |
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}), |
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padding: [4, 10, 4, 10], |
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//text: "变电站名称", |
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fill: new Fill({ color: "#ffffff" }), |
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// stroke: new Stroke({ color: "#ffffff", width: 3 }), |
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offsetY: -30, |
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offsetX: -50, |
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overflow: true, |
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}); |
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}; |
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//变电站标注样式 |
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var polygonStyleFunction = (function () { |
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return function (feature) { |
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return new Style({ |
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fill: new Fill({ |
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// color: [255, 255, 255, 0.3] |
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color: polygonColorArray[feature.values_.index - 1] |
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}), |
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stroke: new Stroke({ |
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color: polygonColorArray[feature.values_.index - 1], |
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width: 3 |
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}), |
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text: createTextStyle(feature) |
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});; |
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}; |
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})() |
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const vueGis = { |
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name: 'HomeMap', |
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data () { |
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return { |
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centerPoint: [],//中心点位置 |
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zoom: 14,//缩放范围：区14 |
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minZoom: 1,//最小缩放 |
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orgData: {},//当前组织对象 |
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orgId: '', |
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orgLevel: '', |
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subAgencyArray: [],//下拉框数据 |
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iconCoordinators: [], |
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currentCoordinate: null, |
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overlay: null, |
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} |
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}, |
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async mounted () { |
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//加载组织数据 |
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await this.loadOrgData() |
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//初始化地图 |
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this.initMap() |
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//添加标注图层 |
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this.addPolygonLayer() |
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//添加icontuceng |
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this.addIconLayer() |
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//加载当前园区的标注 |
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this.loadPolygon(this.subAgencyArray) |
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}, |
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methods: { |
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//刷新地图 |
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async refreshMap (isRefreshView) { |
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//加载组织数据 |
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await this.loadOrgData() |
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//加载当前园区的标注 |
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await this.loadPolygon(this.subAgencyArray) |
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//重置地图中心点 |
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if (isRefreshView) { |
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this.setMapLocation() |
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mapView.setCenter(this.centerPoint); |
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mapView.setZoom(this.zoom); |
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} |
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}, |
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//加载组织数据 |
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async loadOrgData () { |
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const url = "/gov/org/agency/maporg" |
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let params = { |
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orgId: this.orgId, |
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level: this.orgLevel |
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} |
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const { data, code, msg } = await requestPost(url, params) |
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if (code === 0) { |
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this.orgData = data |
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this.orgId = this.orgData.id |
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this.orgLevel = this.orgData.level |
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if (data.children && data.children.length > 0) { |
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this.subAgencyArray = data.children |
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} else { |
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this.subAgencyArray = [] |
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} |
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} else { |
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this.$message.error(msg) |
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} |
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}, |
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//加载当前园区的标注 |
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loadPolygon (subAgencyArray) { |
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polygonSource.clear()//清空多边形标注 |
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iconSource.clear()//清空多边形标注 |
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let featureData = []//标注数据 |
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if (subAgencyArray && subAgencyArray.length > 0) {//判断是否存在下级标注 |
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let oneData = {} |
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subAgencyArray.forEach(agencyItem => { |
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if (agencyItem.coordinates && agencyItem.coordinates !== '') {//如果有坐标 |
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let urlNum = this.getRndBetween(1, 3) |
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oneData = { |
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type: 'Feature', |
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id: agencyItem.id, |
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properties: { |
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id: agencyItem.id, |
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level: agencyItem.level, |
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name: agencyItem.name, |
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index: urlNum//颜色随机的索引 |
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}, |
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geometry: { |
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type: 'Polygon', |
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coordinates: [], |
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}, |
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} |
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let coorArray = agencyItem.coordinates.split(',')//坐标数组 |
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let itemArray = []//单个点位的[lon,lat]，数组 |
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let polygonArray = []//整个多边形的[[lon,lat],[lon,lat],[lon,lat]]数组 |
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coorArray.forEach((item, index) => { |
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itemArray.push(item) |
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if (index % 2 == 0) {//偶 |
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} else {//奇 |
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polygonArray.push(itemArray) |
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itemArray = [] |
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} |
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}); |
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oneData.geometry.coordinates.push(polygonArray) |
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featureData.push(oneData) |
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} |
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}); |
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} |
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if (featureData && featureData.length > 0) { |
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var geojsonObject = { |
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'type': 'FeatureCollection', |
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'features': featureData |
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}; |
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let feature = (new GeoJSON()).readFeatures(geojsonObject) |
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polygonSource.addFeatures(feature) |
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let iconFeatures = []; |
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feature.forEach(oneIcon => { |
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var extent = boundingExtent(oneIcon.getGeometry().getCoordinates()[0]); //获取一个坐标数组的边界，格式为[minx,miny,maxx,maxy] |
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// var center = getCenter(extent); //获取边界区域的中心位置 |
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//添加标注 |
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let x = (parseFloat(extent[0]) + parseFloat(extent[2])) / 2 |
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let y = (parseFloat(extent[1]) + parseFloat(extent[3])) / 2 |
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let oneArray = [x, y] |
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this.iconCoordinators.push(oneArray) |
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// debugger |
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let oneCctv = new Feature({ |
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geometry: new Point([x, y]), |
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id: oneIcon.id_, |
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properties: { |
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type: "icon", |
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id: oneIcon.id_ |
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} |
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}); |
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let iconStyle = new Style({ |
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image: new Icon({ |
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// anchor: [0.5, 0.5], |
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// imgSize: [32, 32], |
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scale: 0.5, |
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src: iconUrlArray[oneIcon.values_.index - 1] |
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}) |
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}); |
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oneCctv.setStyle(iconStyle); |
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iconFeatures.push(oneCctv); |
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}); |
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iconSource.addFeatures(iconFeatures); |
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} |
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// this.addGif() |
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}, |
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//设置地图定位的中心点和缩放级别 |
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setMapLocation () { |
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this.centerPoint = [] |
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if (this.orgData.longitude && this.orgData.latitude) { |
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this.centerPoint.push(this.orgData.longitude) |
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this.centerPoint.push(this.orgData.latitude) |
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} |
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this.setZoom(this.orgData.agencyLevel) |
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}, |
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//根据组织层级设置缩放级别 |
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setZoom (agencyLevel) { |
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if (agencyLevel === 'district') { |
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this.zoom = 14 |
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} else if (agencyLevel === 'street') { |
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this.zoom = 15 |
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} else if (agencyLevel === 'community') { |
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this.zoom = 16 |
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} |
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}, |
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initMap () { |
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this.setMapLocation() |
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gaodeMapLayer = new TileLayer({ |
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title: "地图", |
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source: new XYZ({ |
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//指定url瓦片 |
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url: 'http://wprd0{1-4}.is.autonavi.com/appmaptile?lang=zh_cn&size=1&style=7&x={x}&y={y}&z={z}', |
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wrapX: true//x方向平铺，也可以选择false |
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}), |
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zIndex: 20 |
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}); |
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mapView = new View({ |
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//中心点坐标 |
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center: this.centerPoint, |
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// projection: 'EPSG:3857', |
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projection: 'EPSG:4326', |
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zoom: this.zoom, |
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minZoom: this.minZoom |
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}) |
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//初始化map和地图底图 |
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//创建地图容器 |
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map = new Map({ |
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layers: [gaodeMapLayer], |
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//加载瓦片图层数据 |
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view: mapView, |
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target: 'map' |
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//目标加载到map中 |
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}) |
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map.on('singleclick', function (e) { |
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// console.log(e.coordinate) |
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// console.log(transform(e.coordinate, 'EPSG:3857', 'EPSG:4326')); |
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}) |
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//去除双击放大效果 |
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const dblClickInteraction = map |
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.getInteractions() |
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.getArray() |
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.find(interaction => { |
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return interaction instanceof DoubleClickZoom; |
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}); |
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map.removeInteraction(dblClickInteraction); |
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}, |
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//添加变电站标注图层 |
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addPolygonLayer () { |
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polygonSource = new VectorSource({ |
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//features: (new GeoJSON()).readFeatures(geojsonObject) |
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}); |
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polygonLayer = new VectorLayer({ |
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source: polygonSource, |
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style: polygonStyleFunction, |
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zIndex: 50 |
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}); |
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//选中多边形后的样式 |
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var overlayStyle = (function () { |
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return function (feature) { |
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var styles = {}; |
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styles['Polygon'] = [ |
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new Style({ |
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stroke: new Stroke({ |
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color: '#ec9000', |
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width: 2 |
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}) |
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}), |
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new Style({ |
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fill: new Fill({ |
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color: 'rgba(0, 0, 255, 0.1)' |
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}) |
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}), |
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new Style({ |
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text: createTextStyle(feature) |
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}) |
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]; |
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styles['MultiPolygon'] = styles['Polygon']; |
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return styles[feature.getGeometry().getType()]; |
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}; |
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})(); |
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select = new Select({ |
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style: overlayStyle |
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}); |
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map.addLayer(polygonLayer) |
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map.addInteraction(select); |
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}, |
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addIconLayer () { |
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iconSource = new VectorSource({ |
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//features: (new GeoJSON()).readFeatures(geojsonObject) |
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}); |
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iconLayer = new VectorLayer({ |
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source: iconSource, |
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zIndex: 70 |
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}); |
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map.addLayer(iconLayer); |
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}, |
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//取随机数 |
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getRndBetween (lowerLimit, upperLimit) { |
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return Math.floor(Math.random() * (upperLimit - lowerLimit + 1)) + lowerLimit; |
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}, |
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//开启加载动画 |
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startLoading () { |
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loading = Loading.service({ |
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lock: true, //是否锁定 |
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text: '正在加载……', //加载中需要显示的文字 |
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background: 'rgba(0,0,0,.7)' //背景颜色 |
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}); |
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}, |
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//结束加载动画 |
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endLoading () { |
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//clearTimeout(timer); |
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if (loading) { |
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loading.close(); |
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} |
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}, |
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}, |
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props: { |
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//是否显示多边形图层 |
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showPolygonLayer: { |
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type: Boolean, |
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default: false |
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}, |
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//是否显示标注 |
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showIconLayer: { |
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type: Boolean, |
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default: false |
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} |
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}, |
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computed: { |
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mapHeight () { |
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return this.clientHeight - 120; |
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}, |
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// zoom: { |
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// get () { |
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// //根据不同屏幕分辨率，控制zoom大小 |
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// if (this.clientHeight < 900) { |
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// return 2.3 |
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// } else { |
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// return 2.8 |
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// } |
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// }, |
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// set (value) { |
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// } |
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// }, |
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...mapGetters(["clientHeight"]) |
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}, |
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components: {}, |
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} |
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export default vueGis; |
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</script> |
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<style |
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lang="scss" |
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src="@/assets/scss/modules/visual/basicInfoMain.scss" |
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scoped |
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></style> |
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|
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<style lang="scss" > |
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.div_content { |
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.ol-viewport { |
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border-radius: 5px; |
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} |
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} |
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.ol-overlaycontainer-stopevent { |
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display: none; |
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} |
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.el-scrollbar__wrap { |
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overflow-x: hidden !important; |
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} |
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</style> |
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