var chartWidgetName = this.options.widgetName.toLocaleLowerCase()setTimeout(function() { var chart = FR.Chart.WebUtils.getChart(chartWidgetName).getChartWithIndex(0);

 autoLegendHighlights(chart, 1);

 function autoLegendHighlights(chart, interval) {

  // 自动高亮间隔  interval = interval || 5;

  // 已存在则清除  if (chart.autoLegendHighlightTimer) {   clearInterval(chart.autoLegendHighlightTimer);   chart.autoLegendHighlightTimer = null;

   chart.highlightTarget = null;   chart._updateSeriesStyle();

   return;  }

  var series = chart.series,   len = series.length;

  var index = chart.autoLegendHighlightIndex || 0;

  chart.autoLegendHighlightTimer = setInterval(function() {

   chart.highlightTarget = series[index].name;   chart._updateSeriesStyle();

   index = chart.autoLegendHighlightIndex = (index === len - 1 ? 0 : ++index);

  }, interval * 1000);

 }}, 3000)