效果图如下：
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<html><head><title>Leaflet结合Echarts4实现迁徙图</title><meta charset="utf-8" /><meta name="viewport" content="width=device-width, initial-scale=1.0"><style>html,body,#map {height: 100%;padding: 0;margin: 0;}</style><script src="../../js/prjconfig.js" maptype="leaflet"></script></head><body><div id="map"></div><script>var map = L.map('map', {crs: L.CRS.EPSG4326, //L.CRS.EPSG3857center: [MAPINIT.Location.lat, MAPINIT.Location.lon], //[40.76339, 106.9477844],zoom: MAPINIT.Location.zoom,minZoom: MAPINIT.zoomsExtent[0],maxZoom: MAPINIT.zoomsExtent[1],zoomControl: true});//使用WMTS Key-Value加载地图服务let _getc = "http://192.168.1.212:8095/server/default/getTile/wmts?request=GetCapabilities&service=wmts&layer=yx";MAPCONFIG.MAPWMTS_IMG = "http://192.168.1.212:8095/server/vtile/getTile/wmts?SERVICE=WMTS&REQUEST=GetTile&VERSION=1.0.0&LAYER=yx&STYLE=default&TILEMATRIXSET=w&FORMAT=image/png&TILEMATRIX={z}&TILECOL={x}&TILEROW={y}&tk=''";L.tileLayer(MAPCONFIG.MAPWMTS_IMG, {zoomOffset: 1}).addTo(map);map.setView(L.latLng(37.550339, 104.114129), 4); //设置缩放级别及中心点//Echarts相关options配置var geoCoordMap = {"海门": [121.15, 31.89],"鄂尔多斯": [109.781327, 39.608266],"招远": [120.38, 37.35],"舟山": [122.207216, 29.985295],"齐齐哈尔": [123.97, 47.33],"盐城": [120.13, 33.38],"赤峰": [118.87, 42.28],"青岛": [120.33, 36.07],"乳山": [121.52, 36.89],"金昌": [102.188043, 38.520089],"泉州": [118.58, 24.93],"莱西": [120.53, 36.86],"日照": [119.46, 35.42],"胶南": [119.97, 35.88],"南通": [121.05, 32.08],"拉萨": [91.11, 29.97],"云浮": [112.02, 22.93],"梅州": [116.1, 24.55],"文登": [122.05, 37.2],"上海": [121.48, 31.22],"攀枝花": [101.718637, 26.582347],"威海": [122.1, 37.5],"承德": [117.93, 40.97],"厦门": [118.1, 24.46],"汕尾": [115.375279, 22.786211],"潮州": [116.63, 23.68],"丹东": [124.37, 40.13],"太仓": [121.1, 31.45],"曲靖": [103.79, 25.51],"烟台": [121.39, 37.52],"福州": [119.3, 26.08],"瓦房店": [121.979603, 39.627114],"即墨": [120.45, 36.38],"抚顺": [123.97, 41.97],"玉溪": [102.52, 24.35],"张家口": [114.87, 40.82],"阳泉": [113.57, 37.85],"莱州": [119.942327, 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'上海'}, {name: '郑州',value: 70}],[{name: '上海'}, {name: '长春',value: 60}],[{name: '上海'}, {name: '重庆',value: 50}],[{name: '上海'}, {name: '长沙',value: 40}],[{name: '上海'}, {name: '北京',value: 30}],[{name: '上海'}, {name: '丹东',value: 20}],[{name: '上海'}, {name: '大连',value: 10}]];var GZData = [[{name: '广州'}, {name: '福州',value: 95}],[{name: '广州'}, {name: '太原',value: 90}],[{name: '广州'}, {name: '长春',value: 80}],[{name: '广州'}, {name: '重庆',value: 70}],[{name: '广州'}, {name: '西安',value: 60}],[{name: '广州'}, {name: '成都',value: 50}],[{name: '广州'}, {name: '常州',value: 40}],[{name: '广州'}, {name: '北京',value: 30}],[{name: '广州'}, {name: '北海',value: 20}],[{name: '广州'}, {name: '海口',value: 10}]];var planePath = 'path://M1705.06,1318.313v-89.254l-319.9-221.799l0.073-208.063c0.521-84.662-26.629-121.796-63.961-121.491c-37.332-0.305-64.482,36.829-63.961,121.491l0.073,208.063l-319.9,221.799v89.254l330.343-157.288l12.238,241.308l-134.449,92.931l0.531,42.034l175.125-42.917l175.125,42.917l0.531-42.034l-134.449-92.931l12.238-241.308L1705.06,1318.313z';var convertData = function(data) {var res = [];for(var i = 0; i < data.length; i++) {var dataItem = data[i];var fromCoord = geoCoordMap[dataItem[0].name];var toCoord = geoCoordMap[dataItem[1].name];if(fromCoord && toCoord) {res.push({fromName: dataItem[0].name,toName: dataItem[1].name,coords: [fromCoord, toCoord],value: dataItem[1].value});}}return res;};var color = ['#a6c84c', '#ffa022', '#46bee9'];var series = [];[['北京', BJData],['上海', SHData],['广州', GZData]].forEach(function(item, i) {series.push({name: item[0] + ' Top10',type: 'lines',coordinateSystem: 'geo',zlevel: 1,effect: {show: true,period: 6,trailLength: 0.7,color: '#fff',symbolSize: 3},lineStyle: {normal: {color: color[i],width: 0,curveness: 0.2}},data: convertData(item[1])}, {name: item[0] + ' Top10',type: 'lines',coordinateSystem: 'geo',zlevel: 2,symbol: ['none', 'arrow'],symbolSize: 10,effect: {show: true,period: 6,trailLength: 0,symbol: planePath,symbolSize: 15},lineStyle: {normal: {color: color[i],width: 1,opacity: 0.6,curveness: 0.2}},data: convertData(item[1])}, {name: item[0] + ' Top10',type: 'effectScatter',coordinateSystem: 'geo',zlevel: 2,rippleEffect: {brushType: 'stroke'},label: {normal: {show: true,position: 'right',formatter: '{b}'}},symbolSize: function(val) {return val[2] / 8;},itemStyle: {normal: {color: color[i]}},data: item[1].map(function(dataItem) {return {name: dataItem[1].name,value: geoCoordMap[dataItem[1].name].concat([dataItem[1].value])};})});});var option = {title: {text: '模拟迁徙图',subtext: '',left: 'center',textStyle: {color: '#fff'}},tooltip: {trigger: 'item',formatter: '{b}'},geo: {//map: 'china',label: {emphasis: {show: false}},itemStyle: {normal: {areaColor: '#323c48',borderColor: '#111'},emphasis: {areaColor: '#2a333d'}}},series: series};//将Echarts加到地图上var layerWork = L.overlayEcharts(option).addTo(map);</script></body></html>![2023年中国离心制冷机产量及产业链分析[图]](https://img-blog.csdnimg.cn/img_convert/7f9be65ed0b8fe30a687183e571b4792.png)
