suerprisePlus
2024-07-30 e5e65bb50cbfb973f98191993ab559767eff7a53
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<template>
    <div id="mapView" class="olBox">
        <div class="menuTool">
            <el-form :inline="true" :model="formInline" class="demo-form-inline">
                <el-form-item label="经度:">
                    {{ formInline.lon }}
                </el-form-item>
                <el-form-item label="纬度:">
                    {{ formInline.lat }}
                </el-form-item>
                <el-form-item>
                    <el-button type="success" icon="el-icon-plus" @click="drowPoint"></el-button>
                    <el-button type="danger" icon="el-icon-delete" @click="clearDrawPoint"></el-button>
                </el-form-item>
            </el-form>
        </div>
    </div>
</template>
 
<script>
import TileLayer from 'ol/layer/Tile';
import XYZ from 'ol/source/XYZ';
import Map from 'ol/Map';
import View from 'ol/View';
import { transform } from 'ol/proj';
import VectorSource from 'ol/source/Vector';
import { Vector as VectorLayer, Tile } from 'ol/layer';
import { Draw } from 'ol/interaction';
import Feature from 'ol/Feature';
import { Circle as CircleStyle, Style, Fill, Stroke, Icon, Text } from 'ol/style';
import { Point } from 'ol/geom';
import ImageWMS from "ol/source/ImageWMS";
import Image from "ol/layer/Image";
import mapData from '@/assets/js/mapSdk/mapData.js';
import mapConfig from '../../assets/js/mapSdk/mapConfig';
import * as turf from '@turf/turf'
export default {
    props: {
        parentData: {
            type: String,
            default: '',
 
        }
    },
    data() {
        return {
            mapol: null,
            drawLayer: null,
            formInline: {
                lon: '',
                lat: ''
            }
        }
    },
    mounted() {
        this.initOlMap();
    },
    methods: {
        initOlMap() {
            const baseLayer = mapData.baseLayer;
            const vecUrl = baseLayer.sUrl + baseLayer.vecLayer + baseLayer.lUrl
            var vectorLayer = new TileLayer({
                source: new XYZ({
                    url: vecUrl + config.tdToken,
                }),
            });
            const cvaUrl = baseLayer.sUrl + baseLayer.cvaLayer + baseLayer.lUrl
            var vectorLayer1 = new TileLayer({
                source: new XYZ({
                    url: cvaUrl + config.tdToken,
                }),
            });
            this.mapol = new Map({
                target: 'mapView',
                layers: [vectorLayer, vectorLayer1],
                view: new View({
                    center: transform([112.5545931210261, 37.86275646283009], 'EPSG:4326', 'EPSG:3857'),
                    zoom: 12,
                    projection: 'EPSG:3857',
                }),
            });
 
 
            var layer2 = new Image({
                name: "Wms_Layer",
                source: new ImageWMS({
                    crossOrigin: "anonymous",
                    url: config.geoServer.url + config.geoServer.wms,
                    params: {
                        FORMAT: "image/png",
                        VERSION: "1.1.1",
                        LAYERS: 'sxpw:sxdwx',
                    },
                }),
            });
            this.mapol.addLayer(layer2);
            if (this.parentData) {
                const obj = mapConfig.getWKTParse(this.parentData)
                this.formInline = {
                    lon: obj.coordinates[0],
                    lat: obj.coordinates[1],
                }
                this.addPointData(obj);
            }
        },
        addPointData(res) {
            const coord = res.coordinates;
 
            const urlImg = config.sdkImg + 'Workers/image/mark.png';
            var geom = transform(
                [parseFloat(coord[0]), parseFloat(coord[1])],
                'EPSG:4326',
                'EPSG:3857'
            );
            var feature = new Feature({
                geometry: new Point(geom),
            });
            feature.setStyle(
                new Style({
                    image: new Icon({
                        scale: [0.8, 0.8],
                        src: urlImg
                    }),
 
                })
            );
 
            const source = new VectorSource();
            source.addFeature(feature);
            this.drawLayer = new VectorLayer();
            this.drawLayer.setSource(source);
            this.mapol.addLayer(this.drawLayer);
            this.setOlLocal(coord)
        },
        setOlLocal(geom) {
            this.mapol.getView().animate({
                center: transform(geom, 'EPSG:4326', 'EPSG:3857'), // 中心点
                zoom: 18, // 缩放级别
 
            });
 
        },
        drowPoint() {
            const source = new VectorSource({ wrapX: false });
            this.clearDrawPoint();
            this.drawLayer = new VectorLayer({
                source: source,
            });
            this.mapol.addLayer(this.drawLayer);
            this.draw = new Draw({
                source: source, // 和图层使用同一个source,画的图形在图层上,图层在地图上即可展示
                type: 'Point', // 可选择三角形,多边形,圆形等具体见官网demo
                freehand: false, // 画选还是点选
            });
            // 添加交互
            this.mapol.addInteraction(this.draw);
            this.draw.on('drawend', (e) => {
                let feature = e.feature;
                let geom = feature.getGeometry();
                var extent = geom.flatCoordinates;
                var a1 = transform([extent[0], extent[1]], 'EPSG:3857', 'EPSG:4326');
                this.formInline.lon = parseFloat(a1[0]).toFixed(6);
                this.formInline.lat = parseFloat(a1[1]).toFixed(6);
                var point = turf.point([this.formInline.lon, this.formInline.lat]);
                const gPoint= mapConfig.getWKTConvert(point.geometry)
                this.$emit('childData', gPoint);
                this.mapol.removeInteraction(this.draw);
            });
        },
        clearDrawPoint() {
            if (this.drawLayer) {
                this.mapol.removeLayer(this.drawLayer);
            }
        },
    }
}
</script>
 
<style lang="scss" scoped>
.olBox {
    width: 100%;
    height: 100%;
    overflow: hidden;
    margin: 0;
    padding: 0;
 
    ::v-deep.ol-control {
        display: none;
    }
 
    .menuTool {}
}
</style>