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焦点精选！Echarts创建中国3D地图

来源：博客园


(资料图片)

Echarts创建中国3D地图

客户需要做一版3D中国地图，地图要倾斜角度，然后可以支持点击省份，对地图两侧的图表数据进行切换，此外还有一些纹理，顶牌信息面板的效果，不一一赘述，末尾我会放一张成品的图片。

地图数据

Echarts官网迁移后，地图的json数据已经不翼而飞了，所以在开发地图图表时，要先找一份地图的json数据，阿里的网站就有，直接去下载就好了。链接：http://datav.aliyun.com/portal/school/atlas/area_selectorjson下载完成后，要在Echarts对象初始化的时候注册一下，代码如下：

import china from "../../../public/mock/map/china.json" // 导入地图json数据import * as echarts from "echarts"echarts.registerMap("china", china)

组件代码

<script>import china from "../../../public/mock/map/china.json"import * as echarts from "echarts"import tietu1 from "../../assets/imgs/home/123.jpg"import video from "../../assets/imgs/map/map_bg.mp4"import video2 from "../../assets/imgs/map/map_bg2.mp4"import video3 from "../../assets/imgs/map/map_bg3.mp4"import video4 from "../../assets/imgs/map/map_bg4.mp4"import markerImg from "../../assets/imgs/map/3d_marker_bg.png"import axiosAPI from "../../axios"import { useModule } from "../../store/useModule"export default {    props: {        config: {            type: Object,            default: () => ({ width: 7600, height: 2160 }),        },     },    setup() {        const moduleStore = useModule()        let dataMaps = [            { name: "北京",                value: 457,                itemStyle: {                    color: "rgba(167, 204, 255, 1)",                    opacity: 1,                    borderWidth: 2,                    borderColor: "rgba(167, 204, 255, 1)", // 地图边配色                } },            { name: "天津",                value: 120,                itemStyle: {                    color: "rgba(167, 204, 255, 1)",                    opacity: 1,                    borderWidth: 2,                    borderColor: "rgba(167, 204, 255, 1)", // 地图边配色                } },            { name: "河北",                value: 421,                itemStyle: {                    color: "rgba(167, 204, 255, 1)",                    opacity: 1,                    borderWidth: 2,                    borderColor: "rgba(167, 204, 255, 1)", // 地图边配色                } },            { name: "山西",                value: 413,                itemStyle: {                    color: "rgba(167, 204, 255, 1)",                    opacity: 1,                    borderWidth: 2,                    borderColor: "rgba(167, 204, 255, 1)", // 地图边配色                } },            { name: "内蒙古",                value: 484,                itemStyle: {                    color: "rgba(167, 204, 255, 1)",                    opacity: 1,                    borderWidth: 2,                    borderColor: "rgba(167, 204, 255, 1)", // 地图边配色                } },            { name: "辽宁",                value: 106,                itemStyle: {                    color: "rgba(167, 204, 255, 1)",                    opacity: 1,                    borderWidth: 2,                    borderColor: "rgba(167, 204, 255, 1)", // 地图边配色                } },            { name: "吉林",                value: 18,                itemStyle: {                    color: "rgba(167, 204, 255, 1)",                    opacity: 1,                    borderWidth: 2,                    borderColor: "rgba(167, 204, 255, 1)", // 地图边配色                } },            { name: "黑龙江",                value: 98,                itemStyle: {                    color: "rgba(167, 204, 255, 1)",                    opacity: 1,                    borderWidth: 2,                    borderColor: "rgba(167, 204, 255, 1)", // 地图边配色                } },            { name: "上海",                value: 331,                itemStyle: {                    color: "rgba(167, 204, 255, 1)",                    opacity: 1,                    borderWidth: 2,                    borderColor: "rgba(167, 204, 255, 1)", // 地图边配色                } },            { name: "江苏",                value: 164,                itemStyle: {                    color: "rgba(167, 204, 255, 1)",                    opacity: 1,                    borderWidth: 2,                    borderColor: "rgba(167, 204, 255, 1)", // 地图边配色                } },            { name: "浙江",                value: 4,                itemStyle: {                    color: "rgba(167, 204, 255, 1)",                    opacity: 1,                    borderWidth: 2,                    borderColor: "rgba(167, 204, 255, 1)", // 地图边配色                } },            { name: "安徽",                value: 26,                itemStyle: {                    color: "rgba(167, 204, 255, 1)",                    opacity: 1,                    borderWidth: 2,                    borderColor: "rgba(167, 204, 255, 1)", // 地图边配色                } },            { name: "福建",                value: 492,                itemStyle: {                    color: "rgba(167, 204, 255, 1)",                    opacity: 1,                    borderWidth: 2,                    borderColor: "rgba(167, 204, 255, 1)", // 地图边配色                } },            { name: "江西",                value: 48,                itemStyle: {                    color: "rgba(167, 204, 255, 1)",                    opacity: 1,                    borderWidth: 2,                    borderColor: "rgba(167, 204, 255, 1)", // 地图边配色                } },            { name: "山东",                value: 132,                itemStyle: {                    color: "rgba(167, 204, 255, 1)",                    opacity: 1,                    borderWidth: 2,                    borderColor: "rgba(167, 204, 255, 1)", // 地图边配色                } },            { name: "河南",                value: 309,                itemStyle: {                    color: "rgba(167, 204, 255, 1)",                    opacity: 1,                    borderWidth: 2,                    borderColor: "rgba(167, 204, 255, 1)", // 地图边配色                } },            { name: "湖北",                value: 35,                itemStyle: {                    color: "rgba(167, 204, 255, 1)",                    opacity: 1,                    borderWidth: 2,                    borderColor: "rgba(167, 204, 255, 1)", // 地图边配色                } },            { name: "湖南",                value: 11,                itemStyle: {                    color: "rgba(167, 204, 255, 1)",                    opacity: 1,                    borderWidth: 2,                    borderColor: "rgba(167, 204, 255, 1)", // 地图边配色                } },            { name: "重庆",                value: 16,                itemStyle: {                    color: "rgba(167, 204, 255, 1)",                    opacity: 1,                    borderWidth: 2,                    borderColor: "rgba(167, 204, 255, 1)", // 地图边配色                } },            { name: "四川",                value: 383,                itemStyle: {                    color: "rgba(167, 204, 255, 1)",                    opacity: 1,                    borderWidth: 2,                    borderColor: "rgba(167, 204, 255, 1)", // 地图边配色                } },            { name: "贵州",                value: 209,                itemStyle: {                    color: "rgba(167, 204, 255, 1)",                    opacity: 1,                    borderWidth: 2,                    borderColor: "rgba(167, 204, 255, 1)", // 地图边配色                } },            { name: "云南",                value: 365,                itemStyle: {                    color: "rgba(167, 204, 255, 1)",                    opacity: 1,                    borderWidth: 2,                    borderColor: "rgba(167, 204, 255, 1)", // 地图边配色                } },            { name: "西藏",                value: 421,                itemStyle: {                    color: "rgba(167, 204, 255, 1)",                    opacity: 1,                    borderWidth: 2,                    borderColor: "rgba(167, 204, 255, 1)", // 地图边配色                } },            { name: "陕西",                value: 144,                itemStyle: {                    color: "rgba(167, 204, 255, 1)",                    opacity: 1,                    borderWidth: 2,                    borderColor: "rgba(167, 204, 255, 1)", // 地图边配色                } },            { name: "甘肃",                value: 472,                itemStyle: {                    color: "rgba(167, 204, 255, 1)",                    opacity: 1,                    borderWidth: 2,                    borderColor: "rgba(167, 204, 255, 1)", // 地图边配色                } },            { name: "青海",                value: 182,                itemStyle: {                    color: "rgba(167, 204, 255, 1)",                    opacity: 1,                    borderWidth: 2,                    borderColor: "rgba(167, 204, 255, 1)", // 地图边配色                } },            { name: "宁夏",                value: 282,                itemStyle: {                    color: "rgba(167, 204, 255, 1)",                    opacity: 1,                    borderWidth: 2,                    borderColor: "rgba(167, 204, 255, 1)", // 地图边配色                } },            { name: "新疆",                value: 51,                itemStyle: {                    color: "rgba(167, 204, 255, 1)",                    opacity: 1,                    borderWidth: 2,                    borderColor: "rgba(167, 204, 255, 1)", // 地图边配色                } },            { name: "广东",                value: 110,                itemStyle: {                    color: "rgba(167, 204, 255, 1)",                    opacity: 1,                    borderWidth: 2,                    borderColor: "rgba(167, 204, 255, 1)", // 地图边配色                } },            { name: "广西",                value: 453,                itemStyle: {                    color: "rgba(167, 204, 255, 1)",                    opacity: 1,                    borderWidth: 2,                    borderColor: "rgba(167, 204, 255, 1)", // 地图边配色                } },            { name: "海南",                value: 356,                itemStyle: {                    color: "rgba(167, 204, 255, 1)",                    opacity: 1,                    borderWidth: 2,                    borderColor: "rgba(167, 204, 255, 1)", // 地图边配色                } },            { name: "台湾",                value: 342,                itemStyle: {                    color: "rgba(167, 204, 255, 1)",                    opacity: 1,                    borderWidth: 2,                    borderColor: "rgba(167, 204, 255, 1)", // 地图边配色                } },            { name: "香港",                value: 406,                itemStyle: {                    color: "rgba(167, 204, 255, 1)",                    opacity: 1,                    borderWidth: 2,                    borderColor: "rgba(167, 204, 255, 1)", // 地图边配色                } },            { name: "澳门",                value: 223,                itemStyle: {                    color: "rgba(167, 204, 255, 1)",                    opacity: 1,                    borderWidth: 2,                    borderColor: "rgba(167, 204, 255, 1)", // 地图边配色                } },        ]        const state = reactive({             videos: [video, video2, video3, video4],            videoUrl: window.yunyingzhihuizhongxin.videoUrl,            infoData: [],        })        const getData = async () => {            const res = await axiosAPI.get(window.yunyingzhihuizhongxin.URLs.china3D)            if (res.code === 200) {                state.infoData = res.data.data            }        }        const timer = setInterval(getData, window.yunyingzhihuizhongxin.looping.china3D * 1000)        const addcomma = (num) => (num || 0).toString().replace(/(\d)(?=(?:\d{3})+$)/g, "$1,")        const convertData = (data) => {            const res = []            for (let i = 0; i < data.length; i++) {                res.push({                    name: data[i].name,                    value: data[i].lonlat,                    value1: data[i].value1,                    value2: data[i].value2,                    label1: data[i].label1,                    label2: data[i].label2,                    label: {                        show: true,                        position: "top",                        distance: 0,                        backgroundColor: {                            image: markerImg,                        },                        width: 414,                        height: 176,                        formatter(param) {                            return `{sty1|${param.data.label1}}                                {sty2|${param.data.label2}}                                {sty3|${addcomma(param.data.value1)}}                                {sty4|${addcomma(param.data.value2)}}`                        },                        rich: {                            sty1: {                                fontSize: 32,                                padding: [15, 0, 0, 20],                                color: "rgba(23, 31, 44, 1)",                                fontFamily: "SourceHanSansCN-Bold, sans-serif",                                fontWeight: 500,                                align: "left",                            },                            sty2: {                                color: "rgba(23, 31, 44, 1)",                                padding: [-39, 20, 0, 0],                                fontSize: 32,                                fontFamily: "SourceHanSansCN-Bold, sans-serif",                                fontWeight: 500,                                align: "right",                            },                            sty3: {                                fontSize: 58,                                padding: [15, 0, 0, -95],                                fontFamily: "DINPro-Medium, sans-serif",                                fontWeight: 500,                                color: "#FFFFFF",                                align: "left",                            },                            sty4: {                                fontSize: 58,                                padding: [-70, 20, 0, 0],                                fontFamily: "DINPro-Medium, sans-serif",                                fontWeight: 500,                                color: "#FFFFFF",                                align: "right",                            },                        },                    },                })            }            return res        }        let myChart        const init = () => {            if (!myChart) {                myChart = echarts.init(document.getElementById("echarts"))                echarts.registerMap("china", china)                myChart.on("click", "series.map3D", params => {                    let newOption = myChart.getOption()                    newOption.geo3D[0].regions.forEach(region => {                        if (params.data.name === region.name) {                            if (region.itemStyle.borderWidth === 6) {                                region.itemStyle.color = "rgba(167, 204, 255, 1)"                                 region.itemStyle.borderColor = "rgba(167, 204, 255, 1)"                                 region.itemStyle.borderWidth = 2                            } else {                                region.itemStyle.color = "#76ddff"                                region.itemStyle.borderColor = "#76ddff"                                 region.itemStyle.borderWidth = 6                             }                        } else {                            region.itemStyle.color = "rgba(167, 204, 255, 1)"                             region.itemStyle.borderColor = "rgba(167, 204, 255, 1)"                             region.itemStyle.borderWidth = 2                        }                    })                    moduleStore.currentMapChoose === params.data.name                         ? moduleStore.changeCurrentMapChoose("china")                         : moduleStore.changeCurrentMapChoose(params.data.name)                    myChart.setOption(newOption, true)                })            }            if (moduleStore.currentMapChoose !== "china") {                dataMaps.forEach(region => {                    if (region.name === moduleStore.currentMapChoose) {                        region.itemStyle.color = "#76ddff"                        region.itemStyle.borderColor = "#76ddff"                         region.itemStyle.borderWidth = 6                     }                })            }            const option = {                visualMap: {                    show: false,                    symbolSize: [15, 30],                    pieces: [ // 自定义每一段的范围，以及每一段的文字                        { gte: 300, label: "1000-9999人", color: "rgba(82, 104, 134, 0.8)" },                        { gte: 200, lte: 299, label: "500-999人", color: "rgba(82, 104, 134, 0.8)" },                        { gte: 100, lte: 199, label: "100-499人", color: "rgba(82, 104, 134, 0.8)" },                        { gte: 10, lte: 99, label: "10-99人", color: "rgba(82, 104, 134, 0.8)" },                        // 不指定 min，表示 min 为无限大（-Infinity）。                        { lte: 9, label: "1-9人", color: "rgba(82, 104, 134, 0.8)" },                     ],                },                geo3D: {                    show: true,                    type: "map3D",                    map: "china",                    regionHeight: 4,                    shading: "realistic",                    height: 2800,                    top: -500,                    label: { // 标签的相关设置                        show: true, // (地图上的城市名称)是否显示标签 [ default: false ]                        formatter(param) {                            const city = (param.name).substr(0, 3)                            return city === "香港" ? `{sty1|${city}}` : `{sty2|${city}}`                        },                        rich: {                            sty1: {                                color: "#ffffff",                                fontSize: 28,                                fontFamily: "SourceHanSansCN-Regular, sans-serif",                                align: "right",                                backgroundColor: "transparent",                                width: 120,                            },                            sty2: {                                color: "#ffffff",                                fontSize: 28,                                fontFamily: "SourceHanSansCN-Regular, sans-serif",                                align: "center",                            },                        },                    },                    roam: true,                    zoom: 2,                    realisticMaterial: {                        detailTexture: tietu1, // 纹理贴图                        textureTiling: 1, // 纹理平铺，1是拉伸，数字表示纹理平铺次数                        roughness: 1, // 材质粗糙度，0完全光滑，1完全粗糙                        metalness: 1, // 0材质是非金属 ，1金属                        roughnessAdjust: 0,                    },                    // 鼠标hover高亮                    emphasis: {                        label: {                            show: true, // (地图上的城市名称)是否显示标签 [ default: false ]                        },                        itemStyle: {                            areaColor: "#61A4E4",                            // color: "#61A4E4",                            borderColor: "#88BAEA",                            borderWidth: 2,                        },                    },                    light: { // 光照相关的设置。在 shading 为 "color" 的时候无效。                        // 光照的设置会影响到组件以及组件所在坐标系上的所有图表。合理的光照设置能够让整个场景的明暗变得更丰富，更有层次。                        main: { // 场景主光源的设置，在 globe 组件中就是太阳光。                            color: "#fff", // 主光源的颜色。[ default: #fff ]                            intensity: 4, // 主光源的强度。[ default: 1 ]                            shadow: false, // 主光源是否投射阴影。默认关闭。 开启阴影可以给场景带来更真实和有层次的光照效果。但是同时也会增加程序的运行开销。                            alpha: 150, // 主光源绕 x 轴，即上下旋转的角度。配合 beta 控制光源的方向。[ default: 40 ]                            beta: 90, // 主光源绕 y 轴，即左右旋转的角度。[ default: 40 ]                            shadowQuality: "high",                        },                        ambient: { // 全局的环境光设置。                            color: "#fff", // 环境光的颜色。[ default: #fff ]                            intensity: 1, // 环境光的强度。[ default: 0.2 ]                        },                    },                    viewControl: {                        autoRotate: false, // 自动旋转                        // autoRotateAfterStill: 10, // 静止时间后自动旋转                        animation: true,                        alpha: 45, // 视角绕 x 轴，即上下旋转的角度                        beta: 5, // 视角绕 y 轴，即左右旋转的角度                        distance: 90, // 视角距离主体的距离                        rotateSensitivity: 0,                        zoomSensitivity: 0,                    },                    regions: dataMaps,                    data: [],                    // silent: true,                },                series: [                    {                        show: true,                        type: "map3D",                        map: "china",                        regionHeight: 4,                        shading: "realistic",                        itemStyle: {                            opacity: 0,                        },                        height: 2800,                        top: -500,                        label: { // 标签的相关设置                            show: true, // (地图上的城市名称)是否显示标签 [ default: false ]                            formatter(param) {                                const city = (param.name).substr(0, 3)                                return city === "香港" ? `{sty1|${city}}` : `{sty2|${city}}`                            },                            rich: {                                sty1: {                                    color: "#ffffff",                                    fontSize: 28,                                    fontFamily: "SourceHanSansCN-Regular, sans-serif",                                    align: "right",                                    backgroundColor: "transparent",                                    width: 120,                                },                                sty2: {                                    color: "#ffffff",                                    fontSize: 28,                                    fontFamily: "SourceHanSansCN-Regular, sans-serif",                                    align: "right",                                    height: 150,                                    width: 100,                                    backgroundColor: "transparent",                                    verticalAlign: "top",                                },                            },                        },                        roam: true,                        zoom: 2,                        realisticMaterial: {                            detailTexture: tietu1, // 纹理贴图                            textureTiling: 1, // 纹理平铺，1是拉伸，数字表示纹理平铺次数                            roughness: 1, // 材质粗糙度，0完全光滑，1完全粗糙                            metalness: 1, // 0材质是非金属 ，1金属                            roughnessAdjust: 0,                        },                        // 鼠标hover高亮                        emphasis: {                            label: {                                show: true, // (地图上的城市名称)是否显示标签 [ default: false ]                            },                            itemStyle: {                                areaColor: "#61A4E4",                                // color: "#61A4E4",                                borderColor: "#88BAEA",                                borderWidth: 2,                            },                        },                        light: { // 光照相关的设置。在 shading 为 "color" 的时候无效。                        // 光照的设置会影响到组件以及组件所在坐标系上的所有图表。合理的光照设置能够让整个场景的明暗变得更丰富，更有层次。                            main: { // 场景主光源的设置，在 globe 组件中就是太阳光。                                color: "#fff", // 主光源的颜色。[ default: #fff ]                                intensity: 4, // 主光源的强度。[ default: 1 ]                                shadow: false, // 主光源是否投射阴影。默认关闭。 开启阴影可以给场景带来更真实和有层次的光照效果。但是同时也会增加程序的运行开销。                                alpha: 150, // 主光源绕 x 轴，即上下旋转的角度。配合 beta 控制光源的方向。[ default: 40 ]                                beta: 90, // 主光源绕 y 轴，即左右旋转的角度。[ default: 40 ]                                shadowQuality: "high",                            },                            ambient: { // 全局的环境光设置。                                color: "#fff", // 环境光的颜色。[ default: #fff ]                                intensity: 1, // 环境光的强度。[ default: 0.2 ]                            },                        },                        viewControl: {                            autoRotate: false, // 自动旋转                            // autoRotateAfterStill: 10, // 静止时间后自动旋转                            animation: true,                            alpha: 45, // 视角绕 x 轴，即上下旋转的角度                            beta: 5, // 视角绕 y 轴，即左右旋转的角度                            distance: 90, // 视角距离主体的距离                            rotateSensitivity: 0,                            zoomSensitivity: 0,                        },                        regions: dataMaps,                        data: [],                        zlevel: 1,                    // silent: true,                    },                    // 叠加地图上需要显示的数据，插牌                    {                        type: "scatter3D",                        name: "scatter3D",                        coordinateSystem: "geo3D",                        symbol: "pin",                        symbolSize: 0,                        label: {},                        data: convertData(state.infoData),                    },                ],            }            // 把option设置给myChart实例            myChart.setOption(option, true)        }        watch(() => state.infoData, () => {            init()        })         // 加载完就调用的方法 vue3生命周期        onMounted(() => {            getData()        })        onBeforeUnmount(() => {            clearInterval(timer)        })        return {            ...toRefs(state),        }    },}</script>

成品图

如下所示：

关键词：