由于公司业务需求做Echarts4.0的迁徙图，但是Echarts4.0默认的迁徙图的飞行轨迹和迁徙线的颜色都是一样的，比较单调，现在模拟Echarts2.0的样式模拟了一个demo，虽然没有全部相同，但大体相近。备忘一下
let minigrateChart = echarts.init(document.getElementById("MinigrateChart"));
let geoCoordMap = {
'上海': [121.4648,31.2891],
'东莞': [113.8953,22.901],
'东营': [118.7073,37.5513],
'中山': [113.4229,22.478],
'临汾': [111.4783,36.1615],
'临沂': [118.3118,35.2936],
'丹东': [124.541,40.4242],
'丽水': [119.5642,28.1854],
'乌鲁木齐': [87.9236,43.5883],
'佛山': [112.8955,23.1097],
'保定': [115.0488,39.0948],
'兰州': [103.5901,36.3043],
'包头': [110.3467,41.4899],
'北京': [116.4551,40.2539],
'北海': [109.314,21.6211],
'南京': [118.8062,31.9208],
'南宁': [108.479,23.1152],
'南昌': [116.0046,28.6633],
'南通': [121.1023,32.1625],
'厦门': [118.1689,24.6478],
'台州': [121.1353,28.6688],
'合肥': [117.29,32.0581],
'呼和浩特': [111.4124,40.4901],
'咸阳': [108.4131,34.8706],
'哈尔滨': [127.9688,45.368],
'唐山': [118.4766,39.6826],
'嘉兴': [120.9155,30.6354],
'大同': [113.7854,39.8035],
'大连': [122.2229,39.4409],
'天津': [117.4219,39.4189],
'太原': [112.3352,37.9413],
'威海': [121.9482,37.1393],
'宁波': [121.5967,29.6466],
'宝鸡': [107.1826,34.3433],
'宿迁': [118.5535,33.7775],
'常州': [119.4543,31.5582],
'广州': [113.5107,23.2196],
'廊坊': [116.521,39.0509],
'延安': [109.1052,36.4252],
'张家口': [115.1477,40.8527],
'徐州': [117.5208,34.3268],
'德州': [116.6858,37.2107],
'惠州': [114.6204,23.1647],
'成都': [103.9526,30.7617],
'扬州': [119.4653,32.8162],
'承德': [117.5757,41.4075],
'拉萨': [91.1865,30.1465],
'无锡': [120.3442,31.5527],
'日照': [119.2786,35.5023],
'昆明': [102.9199,25.4663],
'杭州': [119.5313,29.8773],
'枣庄': [117.323,34.8926],
'柳州': [109.3799,24.9774],
'株洲': [113.5327,27.0319],
'武汉': [114.3896,30.6628],
'汕头': [117.1692,23.3405],
'江门': [112.6318,22.1484],
'沈阳': [123.1238,42.1216],
'沧州': [116.8286,38.2104],
'河源': [114.917,23.9722],
'泉州': [118.3228,25.1147],
'泰安': [117.0264,36.0516],
'泰州': [120.0586,32.5525],
'济南': [117.1582,36.8701],
'济宁': [116.8286,35.3375],
'海口': [110.3893,19.8516],
'淄博': [118.0371,36.6064],
'淮安': [118.927,33.4039],
'深圳': [114.5435,22.5439],
'清远': [112.9175,24.3292],
'温州': [120.498,27.8119],
'渭南': [109.7864,35.0299],
'湖州': [119.8608,30.7782],
'湘潭': [112.5439,27.7075],
'滨州': [117.8174,37.4963],
'潍坊': [119.0918,36.524],
'烟台': [120.7397,37.5128],
'玉溪': [101.9312,23.8898],
'珠海': [113.7305,22.1155],
'盐城': [120.2234,33.5577],
'盘锦': [121.9482,41.0449],
'石家庄': [114.4995,38.1006],
'福州': [119.4543,25.9222],
'秦皇岛': [119.2126,40.0232],
'绍兴': [120.564,29.7565],
'聊城': [115.9167,36.4032],
'肇庆': [112.1265,23.5822],
'舟山': [122.2559,30.2234],
'苏州': [120.6519,31.3989],
'莱芜': [117.6526,36.2714],
'菏泽': [115.6201,35.2057],
'营口': [122.4316,40.4297],
'葫芦岛': [120.1575,40.578],
'衡水': [115.8838,37.7161],
'衢州': [118.6853,28.8666],
'西宁': [101.4038,36.8207],
'西安': [109.1162,34.2004],
'贵阳': [106.6992,26.7682],
'连云港': [119.1248,34.552],
'邢台': [114.8071,37.2821],
'邯郸': [114.4775,36.535],
'郑州': [113.4668,34.6234],
'鄂尔多斯': [108.9734,39.2487],
'重庆': [107.7539,30.1904],
'金华': [120.0037,29.1028],
'铜川': [109.0393,35.1947],
'银川': [106.3586,38.1775],
'镇江': [119.4763,31.9702],
'长春': [125.8154,44.2584],
'长沙': [113.0823,28.2568],
'长治': [112.8625,36.4746],
'阳泉': [113.4778,38.0951],
'青岛': [120.4651,36.3373],
'韶关': [113.7964,24.7028]
};
let BJData = [
[{name:'北京'}, {name:'上海',value:95}],
[{name:'北京'}, {name:'广州',value:90}],
[{name:'北京'}, {name:'大连',value:80}],
[{name:'北京'}, {name:'南宁',value:70}],
[{name:'北京'}, {name:'南昌',value:60}],
[{name:'北京'}, {name:'拉萨',value:50}],
[{name:'北京'}, {name:'长春',value:40}],
[{name:'北京'}, {name:'包头',value:30}],
[{name:'北京'}, {name:'重庆',value:20}],
[{name:'北京'}, {name:'常州',value:10}]
];
let 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';
let convertData = function (data) {
let res = [];
for (let i = 0; i < data.length; i++) {
let dataItem = data[i];
let fromCoord = geoCoordMap[dataItem[0].name];
let toCoord = geoCoordMap[dataItem[1].name];
if (fromCoord && toCoord) {
res.push({
fromName: dataItem[0].name,
toName: dataItem[1].name,
numValue : dataItem[1].value,
coords: [fromCoord, toCoord]
});
}
}
return res;
};
//设置Line和Point的颜色
let LineColor = ['#ff3333','orange','lime','aqua'];
let series = [];
[['北京', BJData]].forEach(function (item, i) {
series.push({
// 设置飞行线
name: item[1],
type: 'lines',
zlevel: 1,
coordinateSystem: 'bmap',
effect: {
show: true,
period: 6,
trailLength: 1.7,
color: '#fff',
shadowBlur: 0,
symbolSize: 0
},
lineStyle: {
normal: {
color: function(params){
let num = params.data.numValue;
if(num > 75){
return LineColor[0];
}else if(num > 50){
return LineColor[1];
}else if(num > 25){
return LineColor[2];
}else{
return LineColor[3];
}
},
width: 1,
curveness: 0.2
}
},
data: convertData(item[1])
},
// 设置轨迹线
{
name: item[0].name,
type: 'lines',
zlevel: 2,
coordinateSystem: 'bmap',
effect: {
show: true,
period: 6,
trailLength: 0.7,
symbol:planePath,
symbolSize: 12
},
lineStyle: {
normal: {
color: function(params){
console.log(params)
let num = params.data.numValue;
if(num > 75){
return LineColor[0];
}else if(num > 50){
return LineColor[1];
}else if(num > 25){
return LineColor[2];
}else{
return LineColor[3];
}
},
width: 0.2,
opacity: 0.4,
curveness: 0.2
}
},
data: convertData(item[1])
},
{
// 设置点
name: item[0],
type: 'effectScatter',
coordinateSystem: 'bmap',
zlevel: 2,
rippleEffect: {
brushType: 'stroke'
},
label: {
normal: {
show: true,
position: 'right',
formatter: function(params){
var res = params.value[2];
return res;
}
}
},
symbolSize: function (val) {
return val[2] / 10;
},
itemStyle: {
normal: {
color: function(params){
let num = params.value[2];
if(num > 75){
return LineColor[0];
}else if(num > 50){
return LineColor[1];
}else if(num > 25){
return LineColor[2];
}else{
return LineColor[3];
}
}
}
},
data: item[1].map(function (dataItem) {
return {
name: dataItem[1].name,
value: geoCoordMap[dataItem[1].name].concat([dataItem[1].value])
};
})
});
});
let MinigrateOption = {
title : {
text: '',
subtext: '',
left: 'center',
textStyle : {
color: '#fff'
}
},
tooltip : {
trigger: 'item',
formatter:function(params){
var res = params.name + '<br/>' + params.value[2];
return res;
}
},
legend: {
orient: 'vertical',
top: 'bottom',
left: 'right',
data:['北京 Top10', '上海 Top10', '广州 Top10'],
textStyle: {
color: '#fff'
},
selectedMode: 'single'
},
// dataRange: {
// min : 0,
// max : 100,
// calculable : true,
// color: ['#ff3333', 'orange', 'yellow','lime','aqua'],
// textStyle:{
// color:'#fff'
// }
// },
bmap: {
center: [113.65,34.76],
zoom: 5.5,
roam: true,
mapStyle: {
styleJson: [
{
'featureType': 'land', //调整土地颜色
'elementType': 'geometry',
'stylers': {
'color': '#081734'
}
},
{
'featureType': 'building', //调整建筑物颜色
'elementType': 'geometry',
'stylers': {
'color': '#04406F'
}
},
{
'featureType': 'building', //调整建筑物标签是否可视
'elementType': 'labels',
'stylers': {
'visibility': 'off'
}
},
{
'featureType': 'highway', //调整高速道路颜色
'elementType': 'geometry',
'stylers': {
'color': '#015B99'
}
},
{
'featureType': 'highway', //调整高速名字是否可视
'elementType': 'labels',
'stylers': {
'visibility': 'off'
}
},
{
'featureType': 'arterial', //调整一些干道颜色
'elementType': 'geometry',
'stylers': {
'color':'#003051'
}
},
{
'featureType': 'arterial',
'elementType': 'labels',
'stylers': {
'visibility': 'off'
}
},
{
'featureType': 'green',
'elementType': 'geometry',
'stylers': {
'visibility': 'off'
}
},
{
'featureType': 'water',
'elementType': 'geometry',
'stylers': {
'color': '#044161'
}
},
{
'featureType': 'subway', //调整地铁颜色
'elementType': 'geometry.stroke',
'stylers': {
'color': '#003051'
}
},
{
'featureType': 'subway',
'elementType': 'labels',
'stylers': {
'visibility': 'off'
}
},
{
'featureType': 'railway',
'elementType': 'geometry',
'stylers': {
'visibility': 'off'
}
},
{
'featureType': 'railway',
'elementType': 'labels',
'stylers': {
'visibility': 'off'
}
},
{
'featureType': 'all', //调整所有的标签的边缘颜色
'elementType': 'labels.text.stroke',
'stylers': {
'color': '#313131'
}
},
{
'featureType': 'all', //调整所有标签的填充颜色
'elementType': 'labels.text.fill',
'stylers': {
'color': '#FFFFFF'
}
},
{
'featureType': 'manmade',
'elementType': 'geometry',
'stylers': {
'visibility': 'off'
}
},
{
'featureType': 'manmade',
'elementType': 'labels',
'stylers': {
'visibility': 'off'
}
},
{
'featureType': 'local',
'elementType': 'geometry',
'stylers': {
'visibility': 'off'
}
},
{
'featureType': 'local',
'elementType': 'labels',
'stylers': {
'visibility': 'off'
}
},
{
'featureType': 'subway',
'elementType': 'geometry',
'stylers': {
'lightness': -65
}
},
{
'featureType': 'railway',
'elementType': 'all',
'stylers': {
'lightness': -40
}
},
{
'featureType': 'boundary',
'elementType': 'geometry',
'stylers': {
'color': '#8b8787',
'weight': '1',
'lightness': -29
}
}]
}
},
series: series
};
minigrateChart.setOption(MinigrateOption)备注：这样设置的话，dataRange必须注释掉，不然没有效果。
实现效果图:
参考文献：https://blog.csdn.net/crazy_java1234/article/details/73647956