Echarts特殊图表：高铁专线的效果实现

  $.getJSON('json/china.json', function (data) {
   
        //注册地图;
        echarts.registerMap('lockdatav', data);
        var myChart = echarts.init(document.getElementById('map'));

        $.get('json/result8.json', function (data) {
   
            var hStep = 300 / (data.length - 1);
            var obj = eval(data);// 解析json数据
            var busLines = [];
            for (var i = 0; i