迁徙图echarts lines配置项内容和展示

      var geoCoordMap = {
 台湾: [121.509062, 25.044332],
 河北: [114.502461, 38.045474],
 山西: [112.549248, 37.857014],
 内蒙古: [111.670801, 40.818311],
 辽宁: [123.429096, 41.796767],
 吉林: [125.3245, 43.886841],
 黑龙江: [126.642464, 45.756967],
 江苏: [118.767413, 32.041544],
 浙江: [120.153576, 30.287459],
 安徽: [117.283042, 31.86119],
 福建: [119.306239, 26.075302],
 江西: [115.892151, 28.676493],
 山东: [117.000923, 36.675807],
 河南: [113.665412, 34.757975],
 湖北: [114.298572, 30.584355],
 湖南: [112.982279, 28.19409],
 广东: [113.280637, 23.125178],
 广西: [108.320004, 22.82402],
 海南: [110.33119, 20.031971],
 四川: [104.065735, 30.659462],
 贵州: [106.713478, 26.578343],
 云南: [102.712251, 25.040609],
 西藏: [91.132212, 29.660361],
 陕西: [108.948024, 34.263161],
 甘肃: [103.823557, 36.058039],
 青海: [101.778916, 36.623178],
 宁夏: [106.278179, 38.46637],
 新疆: [87.617733, 43.792818],
 北京: [116.405285, 39.904989],
 天津: [117.190182, 39.125596],
 上海: [121.472644, 31.231706],
 重庆: [106.504962, 29.533155],
 香港: [114.173355, 22.320048],
 澳门: [113.54909, 22.198951],
};
var XAData = [
 // [{ name: '北京' }, { name: '贵州', value: 100 }],
 [{ name: '贵州' }, { name: '北京', value: 200 }],
 [{ name: '贵州' }, { name: '辽宁', value: 300 }],
 [{ name: '贵州' }, { name: '天津', value: 400 }],
 [{ name: '贵州' }, { name: '新疆', value: 100 }],
 [{ name: '贵州' }, { name: '台湾', value: 100 }],
 [{ name: '贵州' }, { name: '重庆', value: 100 }],
 [{ name: '贵州' }, { name: '西藏', value: 100 }],
 [{ name: '贵州' }, { name: '上海', value: 100 }],
 [{ name: '贵州' }, { name: '河南', value: 100 }],
 [{ name: '贵州' }, { name: '河北', value: 100 }],
 [{ name: '贵州' }, { name: '江苏', value: 100 }],
 [{ name: '贵州' }, { name: '浙江', value: 100 }],
 [{ name: '贵州' }, { name: '山东', value: 100 }],
 [{ name: '贵州' }, { name: '广东', value: 100 }],
 [{ name: '贵州' }, { name: '广西', value: 100 }],
];
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 = ''; //航线的颜色
var series = [];
[['贵州', XAData]].forEach(function (item, i) {
 series.push({
  shading: 'color', // 三维地理坐标系组件中三维图形的着色效果
  name: item[0] + ' Top3',
  type: 'lines',
  zlevel: 2,
  symbol: ['none', 'none'],
  symbolSize: 10,
  effect: {
   show: true,
   period: 6,
   trailLength: 0.2, //特效尾迹长度[0,1]值越大，尾迹越长重
   symbol: 'arrow', //箭头图标
   symbolSize: 5,
  },
  lineStyle: {
   normal: {
    width: 1, //尾迹线条宽度
    opacity: 1, //尾迹线条透明度
    curveness: 0.4, //尾迹线条曲直度
   },
  },
  data: convertData(item[1]),
 });
});
var option = {
 tooltip: {
  trigger: 'item',
  formatter: function (params, ticket, callback) {
   return params.data.fromName + '>' + params.data.toName + '：' + params.value + ' 人';
  },
 },
 visualMap: {
  //图例值控制
  min: 0,
  max: 400,
  calculable: true,
  show: false,
  color: ['#f44336', '#fc9700', '#ffde00', '#ffde00', '#00eaff'],
  textStyle: {
   color: '#fff',
  },
 },
 geo: {
  zoom: 1.2,
  map: 'china',
  label: {
   normal: {
    show: false,
    color: '#fff',
    fontSize: 14,
   },
   emphasis: {
    areaColor: '#2AB8FF',
    borderWidth: 0.5,
    textStyle: {
     color: '#fff',
    },
   },
  },
  roam: true,
  itemStyle: {
   normal: {
    borderColor: '#fff',
    areaColor: 'rgba(74,159,238,0.8)',
    shadowColor: '#013C62',
    borderWidth: 1,
   },
   emphasis: {
    areaColor: 'rgba(74,159,238,0.8)',
   },
  },
 },
 series: series,
};