Echarts4.0 迁徙图模拟Echarts2.0样式（实现飞行轨迹和迁徙线的颜色和点的颜色一致且颜色不一样）

  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