Vue整合openlayer学习一

效果图:


image.png

1、首先在Vue项目中安装openlayer:

npm install ol

2、在页面中使用

<template>
    <div class="ov-container">

        <div id="map" class="map">
            <!-- 地图坐标组件 -->
            <MapCoordinate :coordinate="coordinate"></MapCoordinate>
        </div>

        <div class="dialog-style">
            <a-button type="primary" @click="showModal">
                Modal
            </a-button>
            <a-modal v-model="visible" title="Modal" ok-text="确认" cancel-text="取消" @ok="hideModal">
                <p>Bla bla ...</p>
                <p>Bla bla ...</p>
                <p>Bla bla ...</p>
            </a-modal>
        </div>

<!--        // 弹出层-->
        <div id="popup" class="ol-popup">
            <a href="#" id="popup-closer" class="ol-popup-closer"></a>
            <div id="popup-content"></div>
        </div>

<!--        <div class="css_animation"></div>-->
    </div>
</template>

除了显示地图外,还可以在地图上设置图标,点击图标弹出框框

<script>
    import 'ol/ol.css';
    import Map from 'ol/Map';
    import OSM from 'ol/source/OSM';
    import View from 'ol/View';
    import Tile from "ol/layer/Tile";
    import XYZ from "ol/source/XYZ";
    import Overlay from 'ol/Overlay'
    import VectorLayer from 'ol/layer/Vector';
    import VectorSource from 'ol/source/Vector';
    import Style from 'ol/style/Style';
    import Icon from 'ol/style/Icon';
    import Point from 'ol/geom/Point';
    import Feature from 'ol/Feature';

    import MapCoordinate from './MapCoordinate.vue';

    export default {
        name: "mapsPr",
        components: {MapCoordinate},
        data() {
            return {
                map: null,
                coordinate:null,
                datamap:[{
                    jd: 123.4151,
                    wd: 41.7624
                }],
                visible: false,
            }
        },
        mounted(){
          this.initMap()

            //初始化坐标值设置
            this.coordinate =
                "X:" +
                this.map
                    .getView()
                    .getCenter()[0]
                    .toFixed(4) +
                ",Y:" +
                this.map
                    .getView()
                    .getCenter()[1]
                    .toFixed(4);
            this.map.on("pointermove", event => {
                this.coordinate =
                    "X:" +
                    event.coordinate[0].toFixed(4) +
                    ",Y:" +
                    event.coordinate[1].toFixed(4);
            });
        },
        methods: {
            showModal() {
                this.visible = true;
            },
            hideModal() {
                this.visible = false;
            },
            initMap() {

                var radius = 0;

                // Open Street Map 地图层
                var openStreetMapLayer = new Tile({
                    source: new XYZ({
                        url: 'http://{a-c}.tile.openstreetmap.org/{z}/{x}/{y}.png'

                    })
                });

                //layers、target、view是地图最基本的部分,是必需的
                // 创建地图
                var map = new Map({
                    target: document.getElementById("map"),
                    layers: [
                        openStreetMapLayer
                    ],
                    view: new View({
                        // 设置成都为地图中心
                        // center: [104.06, 30.67],

                        // 设置沈阳卫星图
                        center: [123.4132969379425, 41.7663024391555],
                        projection: 'EPSG:4326',
                        zoom: 10
                    }),
                });

/////////////////////////在地图上添加图标////////////////////////////////////////////////////////

                //创建图标样式
                var iconStyle = new Style({
                    image: new Icon({
                        // scale: 0.03,
                        opacity: 1,
                        // src: "https://openlayers.org/en/latest/examples/data/icon.png"
                        src: require("../../assets/Mark.png")
                    }),
                });


                // 1.创建Featrue,设置geometry属性
                var feature = new Feature({

                    geometry: new Point([this.datamap[0].jd, this.datamap[0].wd]),
                    name: "Point"
                });

                //3.传入source
                var source = new VectorSource({
                    features: [feature]
                });
                //创建图标层
                var vectorLayer = new VectorLayer({
                    // source: vectorSource,
                    source: source,
                    style: iconStyle
                });


                // map.addLayer(openStreetMapLayer);
                map.addLayer(vectorLayer);

///////////////////////点击图标弹出框框/////////////////##############################

                var container = document.getElementById("popup");
                var content = document.getElementById("popup-content");
                var popupCloser = document.getElementById("popup-closer");

                var overlay = new Overlay({
                    element: container,
                    autoPan: true
                });

                map.on('click',function(e){
                    var pixel = map.getEventPixel(e.originalEvent);
                    console.log(pixel);
                    map.forEachFeatureAtPixel(pixel,function(feature){
                        //console.log(feature);
                        //return feature;
                        var coodinate = e.coordinate;
                        content.innerHTML = "<p>你点击的坐标为:" + coodinate + "</p>";
                        overlay.setPosition(coodinate);
                        map.addOverlay(overlay);
                    });
                });
                popupCloser.addEventListener('click',function(){
                    overlay.setPosition(undefined);
                });

            }
        }
    }
</script>

页面样式设置

<style lang="less" scoped>
    .ov-container {
        width: 100%;
        /*height: 600px;*/
        background: #fff;

        .map {
            position: relative;
            width: 100%;
            height:600px;
        }

        .dialog-style {
            position: absolute;
            top: 20px;
            left: 200px;

            .ant-btn-primary {
                background: rgba(22,1,1, 0.7);
                opacity: 0.5;
                color: #fff;
                border-color: #E1DED9;
                text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.12);
                -webkit-box-shadow: 0 2px 0 rgba(0, 0, 0, 0.045);
                box-shadow: 0 2px 0 rgba(0, 0, 0, 0.045);
            }
        }

        a.skiplink {
            position: absolute;
            clip: rect(1px, 1px, 1px, 1px);
            padding: 0;
            border: 0;
            height: 1px;
            width: 1px;
            overflow: hidden;
        }
        a.skiplink:focus {
            clip: auto;
            height: auto;
            width: auto;
            background-color: #fff;
            padding: 0.3em;
        }
        #map:focus {
            outline: #4A74A8 solid 0.15em;
        }
    }

    .css_animation{
        height:50px;
        width:50px;
        border-radius: 25px;
        background: rgba(255, 0, 0, 0.9);
        transform: scale(0);
        animation: myfirst 3s;
        animation-iteration-count: infinite;
    }

    @keyframes myfirst{
        to{
            transform: scale(2);
            background: rgba(0, 0, 0, 0);
        }
    }

    .ol-popup {
        position: absolute;
        background-color: #eeeeee;
        -webkit-filter: drop-shadow(0 1px 4px rgba(0, 0, 0, 0.2));
        filter: drop-shadow(0 1px 4px rgba(0, 0, 0, 0.2));
        padding: 15px;
        border-radius: 10px;
        border: 1px solid #cccccc;
        bottom: 12px;
        left: -50px;
        min-width: 280px;
    }

    .ol-popup:after,
    .ol-popup:before {
        top: 100%;
        border: solid transparent;
        content: " ";
        height: 0;
        width: 0;
        position: absolute;
        pointer-events: none;
    }

    .ol-popup:after {
        border-top-color: #eeeeee;
        border-width: 10px;
        left: 48px;
        margin-left: -10px;
    }

    .ol-popup:before {
        border-top-color: #cccccc;
        border-width: 11px;
        left: 48px;
        margin-left: -11px;
    }

    .ol-popup-closer {
        text-decoration: none;
        position: absolute;
        top: 2px;
        right: 8px;
    }

    .ol-popup-closer:after {
        content: "✖";
    }
</style>
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