dai
4 years ago
2 changed files with 653 additions and 22 deletions
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<template> |
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<div style="position: relative"> |
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<!-- 组织路由 --> |
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<div>组织路由</div> |
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<div class="div_search"> |
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<el-select v-model="selAgencyId" |
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placeholder="请选择未添加标注的组织"> |
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<el-option @click.native="orgChange(index)" |
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v-for="(item,index) in subAgencyArray" |
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:key="item.id" |
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:label="item.name" |
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:value="item.id"> |
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</el-option> |
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</el-select> |
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<el-button v-if="showBtn&&!hasPolygon" |
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style="margin-left:10px" |
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type="primary" |
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icon="el-icon-plus" |
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@click="handleSearch">搜索</el-button> |
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</div> |
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<div class="div_content"> |
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<div id="map" |
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class="div_map" |
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:style="{height:mapHeight+'px'}"></div> |
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<div class="div_data"></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 { ZoomSlider, Zoom } from 'ol/control.js'; |
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import ImageLayer from 'ol/layer/Image.js'; |
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import Static from 'ol/source/ImageStatic.js'; |
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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 Projection from 'ol/proj/Projection.js'; |
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import GeoJSON from 'ol/format/GeoJSON.js'; |
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import { defaults as defaultControls, ZoomToExtent } from 'ol/control.js'; |
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import { defaults as defaultInteractions, Modify, Select, DoubleClickZoom } from 'ol/interaction.js'; |
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import { getCenter } from 'ol/extent.js'; |
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import { Circle as CircleStyle, Fill, Stroke, Style, Text } from 'ol/style.js'; |
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import Draw from 'ol/interaction/Draw.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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import { transform } from 'ol/proj' |
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import { altKeyOnly, click, pointerMove } from 'ol/events/condition'; |
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let loading;//加载动画 |
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let x = 1500 |
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let y = 700 |
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let size = [x, y] |
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let extent = [-x, -y, x, y] |
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let projection = new Projection({ |
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code: 'xkcd-image', |
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units: 'pixels', |
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extent: extent |
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}); |
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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;//变电站标注图层 |
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let polygonSource;//变电站标注多边形 |
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let draw;//绘制handle |
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let select;//选中标注 |
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let selectAltClick; |
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let selectedFeatures; |
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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: "bold 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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//text: "变电站名称", |
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fill: new Fill({ color: "#007ab9" }), |
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stroke: new Stroke({ color: "#ffffff", width: 3 }), |
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offsetY: 0, |
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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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}), |
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stroke: new Stroke({ |
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color: [0, 153, 255, 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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method: "",//绘制方法 |
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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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isMapLoaded: false,//地图是否加载完毕 |
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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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selAgencyIndex: 0, |
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selAgencyId: '',//下拉框选中的组织id |
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selAgency: {},//下拉框选中的组织对象 |
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hasPolygon: false,//下拉框选中的组织是否有标注 |
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showBtn: false, |
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selPolygonId: '',//选择的多边形id |
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selPolygon: {}, |
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//下钻层级记录 |
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runNum: 0, |
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runAgency: [], |
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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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//加载当前园区的标注 |
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this.loadPolygon() |
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}, |
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methods: { |
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//查询 |
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handleSearch (index) { |
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this.selAgencyIndex = index |
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selectedFeatures.clear() |
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if (index || index === 0) { |
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this.showBtn = true |
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this.selAgency = this.subAgencyArray[index] |
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if (this.selAgency.coordinates) { |
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this.hasPolygon = true |
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this.highlightPolygon() |
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} else { |
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this.hasPolygon = false |
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} |
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} else { |
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this.showBtn = false |
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} |
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}, |
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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() |
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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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//高亮某个标注 |
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highlightPolygon () { |
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let features = polygonSource.getFeatures() |
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features.forEach(element => { |
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if (element.id_ === this.selAgencyId) { |
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selectedFeatures.push(element) |
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} |
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}); |
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}, |
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//返回上一级组织 |
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handleBack () { |
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this.runNum-- |
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this.runAgency.pop() |
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if (this.runNum === 0) { |
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this.orgId = '' |
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this.orgLevel = '' |
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} else { |
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this.orgId = this.runAgency[this.runAgency.length - 1].id |
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this.orgLevel = this.runAgency[this.runAgency.length - 1].level |
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} |
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this.refreshMap(true) |
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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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// const url = "http://yapi.elinkservice.cn/mock/245/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.runAgency.push(data) |
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if (data.children && data.children.length > 0) { |
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this.subAgencyArray = data.children |
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this.selAgencyId = this.subAgencyArray[0].id |
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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 () { |
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polygonSource.clear()//清空变电站标注 |
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let featureData = []//标注数据 |
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if (this.subAgencyArray && this.subAgencyArray.length > 0) {//判断是否存在下级标注 |
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let oneData = {} |
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this.subAgencyArray.forEach(agencyItem => { |
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if (agencyItem.coordinates && agencyItem.coordinates !== '') {//如果有坐标 |
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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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}, |
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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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} |
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this.orgChange(this.selAgencyIndex) |
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}, |
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//选择feature |
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selectFeature (e) { |
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console.log(e) |
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this.selAgencyId = e.selected[0].id_ |
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this.subAgencyArray.forEach((element, index) => { |
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if (element.id === e.selected[0].id_) { |
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this.selAgencyIndex = index |
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this.orgChange(index) |
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} |
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}); |
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}, |
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//下钻到下一级 |
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toSubAgency (e) { |
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console.log(e) |
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if (this.method != 'mAddPolygon' && this.level != 'neighborHood') { |
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//下钻到下一级 |
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this.subAgencyArray.forEach(item => { |
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if (item.id === e.selected[0].id_) { |
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this.selPolygonId = item.id |
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this.selPolygon = item |
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this.orgId = item.id |
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this.orgLevel = item.level |
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} |
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}); |
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this.runNum++ |
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this.runAgency.push(this.selPolygon) |
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this.selAgencyIndex = 0 |
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this.refreshMap(true) |
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} |
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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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selectAltClick = new Select({ |
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condition: function (mapBrowserEvent) { |
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return click(mapBrowserEvent) && altKeyOnly(mapBrowserEvent); |
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}, |
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}); |
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selectedFeatures = select.getFeatures(); |
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map.addLayer(polygonLayer) |
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map.addInteraction(select); |
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map.addInteraction(selectAltClick); |
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select.on('select', e => { |
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this.selectFeature(e) |
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}); |
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selectAltClick.on('select', e => { |
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this.toSubAgency(e) |
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}); |
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}, |
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//点击【重新绘制】 |
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handleEditPolygon () { |
||||
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if (this.method === 'mEditPolygon') { |
||||
|
this.method = "" |
||||
|
map.removeInteraction(draw); |
||||
|
} else { |
||||
|
this.method = 'mEditPolygon'; |
||||
|
draw = new Draw({ |
||||
|
source: polygonSource, |
||||
|
type: "Polygon" |
||||
|
}); |
||||
|
map.addInteraction(draw); |
||||
|
draw.on('drawend', feature => { |
||||
|
this.polygonCoor = feature.feature.values_.geometry.flatCoordinates |
||||
|
|
||||
|
var coorString = "" |
||||
|
for (var i = 0; i < this.polygonCoor.length; i++) { |
||||
|
coorString = coorString + this.polygonCoor[i] + "," |
||||
|
} |
||||
|
if (this.polygonCoor.length > 0) { |
||||
|
coorString = coorString.substring(0, coorString.length - 1) |
||||
|
} |
||||
|
console.log(coorString) |
||||
|
|
||||
|
}); |
||||
|
} |
||||
|
|
||||
|
}, |
||||
|
|
||||
|
|
||||
|
//开启加载动画 |
||||
|
startLoading () { |
||||
|
loading = Loading.service({ |
||||
|
lock: true, //是否锁定 |
||||
|
text: '正在加载……', //加载中需要显示的文字 |
||||
|
background: 'rgba(0,0,0,.7)' //背景颜色 |
||||
|
}); |
||||
|
|
||||
|
}, |
||||
|
|
||||
|
//结束加载动画 |
||||
|
endLoading () { |
||||
|
//clearTimeout(timer); |
||||
|
if (loading) { |
||||
|
loading.close(); |
||||
|
} |
||||
|
}, |
||||
|
}, |
||||
|
props: { |
||||
|
|
||||
|
vueFlag: { |
||||
|
type: String, |
||||
|
default: "alarm" |
||||
|
} |
||||
|
}, |
||||
|
computed: { |
||||
|
|
||||
|
extentXOffset () { |
||||
|
|
||||
|
if (this.clientHeight < 900) { |
||||
|
return 0.88 |
||||
|
} else { |
||||
|
return 0.95 |
||||
|
} |
||||
|
}, |
||||
|
extentYOffset () { |
||||
|
|
||||
|
return 0.95 |
||||
|
}, |
||||
|
imgExtent () { |
||||
|
|
||||
|
return [-x * this.extentXOffset, -y * this.extentYOffset, x * this.extentXOffset, y * this.extentYOffset] |
||||
|
}, |
||||
|
mapHeight () { |
||||
|
|
||||
|
return this.clientHeight - 220; |
||||
|
|
||||
|
}, |
||||
|
|
||||
|
...mapGetters(["clientHeight"]) |
||||
|
|
||||
|
}, |
||||
|
components: {}, |
||||
|
} |
||||
|
export default vueGis; |
||||
|
</script> |
||||
|
|
||||
|
<style > |
||||
|
.div_search { |
||||
|
text-align: center; |
||||
|
height: 50px; |
||||
|
width: 100px; |
||||
|
display: flex; |
||||
|
} |
||||
|
|
||||
|
.div_content { |
||||
|
margin-top: 30px; |
||||
|
padding: 20px 30px; |
||||
|
display: flex; |
||||
|
} |
||||
|
|
||||
|
.div_map { |
||||
|
width: 100%; |
||||
|
} |
||||
|
.div_data { |
||||
|
width: 300px; |
||||
|
} |
||||
|
.ol-overlaycontainer-stopevent { |
||||
|
display: none; |
||||
|
} |
||||
|
</style> |
||||
Loading…
Reference in new issue