引用echarts迁徙图，在此基础上加了数据，以及改变流动形状，以及其他，并且重点加了注释，奉上代码，供君参考。
效果图：
迁徙图.png
<!DOCTYPE html>
<html lang="en">
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<meta charset="UTF-8">
<title>Document</title>
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<body>
<div id="container" style="width: 100vw;height: 100vh;padding: 0;margin: 0;"></div>
</body>
<script type="text/javascript" src="http://echarts.baidu.com/gallery/vendors/echarts/echarts.min.js"></script>
<script type="text/javascript" src="http://echarts.baidu.com/gallery/vendors/echarts/map/js/china.js"></script>
<script type="text/javascript" src="http://echarts.baidu.com/gallery/vendors/echarts/extension/bmap.min.js"></script>
<script>
// 该部分数据可以放在json文件中，用ajax引用，如果没有的城市经纬度，可复制到此。
var 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]
};
// 该部分数据可以写在json文件中，用ajax引用到此，
var BJData = [
[{name:'北京',value:80}, {name:'上海',value:95}],
[{name:'上海',value:95}, {name:'北京',value:80}],
[{name:'北京',value:80}, {name:'拉萨',value:90}],
[{name:'北京',value:80}, {name:'大连',value:80}],
[{name:'北京',value:80}, {name:'南宁',value:70}],
];
var SHData = [
[{name:'上海',value:80},{name:'包头',value:95}],
[{name:'上海',value:80},{name:'昆明',value:90}],
[{name:'上海',value:80},{name:'广州',value:80}],
[{name:'上海',value:80},{name:'郑州',value:70}],
[{name:'上海',value:80},{name:'长春',value:60}]
];
var GZData = [
[{name:'广州',value:80},{name:'福州',value:95}], //name是要和geoCoordMap里面的名字一致，目的获取其经纬度；value为了设置出发点和终点的圆圈大小以及这里作为外部传入数据使用
[{name:'广州',value:80},{name:'太原',value:90}],
[{name:'广州',value:80},{name:'长春',value:80}],
[{name:'广州',value:80},{name:'重庆',value:70}],
[{name:'广州',value:80},{name:'西安',value:60}],
[{name:'广州',value:80},{name:'成都',value:50}],
];
console.log(JSON.stringify(SHData));
var convertData = function (data) {
var res = [];
for (var i = 0; i < data.length; i++) {
var dataItem = data[i];
var fromCoord = geoCoordMap[dataItem[0].name]; //获得起始点名字
var toCoord = geoCoordMap[dataItem[1].name]; //获得终点名字
var flex = dataItem[1].value;
if (fromCoord && toCoord) {
res.push({
fromName: dataItem[0].name,
toName: dataItem[1].name,
coords: [fromCoord, toCoord], //起始点经纬度和终点经纬度
flex: flex
});
}
}
return res;
};
var color = ['#a6c84c', '#ffa022', '#46bee9'];
var series = [];
[['北京', BJData], ['上海', SHData], ['广州', GZData]].forEach(function (item, i) {
series.push(
// 设置运动的阴影
{
name: item[0], //name要和地图设置中的legend中的data一一对应
type: 'lines',
zlevel: 1,
effect: {
show: true,
period: 6, //从起始点到终点的时间，只支持number类型，不支持回调函数及其他
trailLength: 0.7, //阴影的长度
color: '#fff', //阴影的颜色
symbolSize: 3 //阴影的尺寸
},
lineStyle: { //阴影运动轨迹线的设置，width为0，隐藏此线
normal: {
color: color[i],
width: 0,
curveness: 0.2
}
},
data: convertData(item[1])
},
// 设置运动的物体，这里为箭头
{
name: item[0],
type: 'lines',
zlevel: 2,
symbol: ['none', 'arrow'],
symbolSize: 10,
effect: {
show: true,
period: 6,
trailLength: 0,
symbol:['arrow'], //线的类型为箭头，可传入，可自定义，具体可见echarts官网
symbolSize: 10
},
lineStyle: {
normal: {
color: function(params){ //color支持回调函数，所以可根据数据自定义
var number = params.data.flex;
if(number>=91){
return color[0];
}else if(number>79 && number<91){
return color[1];
}else{
return color[2];
}
},
width: 1,
opacity: 0.6,
curveness: 0.2
}
},
data: convertData(item[1])
},
// 设置终点坐标圆圈
{
name: item[0],
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])
};
})
},
// 设置起点坐标圆圈
{
name: item[0],
type: 'effectScatter',
coordinateSystem: 'geo',
zlevel: 2,
rippleEffect: {
brushType: 'stroke'
},
label: {
normal: {
show: true,
position: 'right',
formatter: '{b}'
}
},
symbolSize: function (val) {
return val[2] / 10;
},
itemStyle: {
normal: {
color: color[i]
}
},
data: item[1].map(function (dataItem) {
return {
name: dataItem[0].name,
value: geoCoordMap[dataItem[0].name].concat([dataItem[0].value])
};
})
});
});
var myChart = echarts.init(document.getElementById("container"));
option = {
backgroundColor: '#404a59',
tooltip : {
trigger: 'item',
formatter:function(params){
if(params.componentSubType == 'effectScatter'){ //当鼠标移到圆圈上不出现提示数据
return '';
}
if(params.componentSubType == 'lines'){ //当鼠标移到线上出现的提示数据
return params.data.fromName + '<br/>' + '到' + params.data.toName + '<br/>' + '数据为：' + params.data.flex;
}
}
},
legend: {
orient: 'vertical',
top: 'bottom',
left: 'right',
data:['北京', '上海', '广州'],
textStyle: {
color: '#fff'
},
selectedMode: 'single'
},
geo: {
map: 'china',
label: {
emphasis: {
show: false, //设置鼠标移上去是否出现文字
color:'#fff'
}
},
roam: true,
scaleLimit:{min:0.6,max:1.3}, //地图放大缩小倍数
itemStyle: {
normal: {
areaColor: 'rgba(0,0,0,0.6)',
borderColor: '#404a59'
},
emphasis: {
areaColor: '#2a333d'
}
}
},
series: series
};
myChart.setOption(option);
// 给地图做适配
window.onresize = function(){
echarts.init(document.getElementById('container')).resize();
}
</script>
</html>
