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)