代码片断：
来自：https://blog.csdn.net/qq_36947128/article/details/90899564
function Play(){
chart.dispatchAction({
type:"downplay",
seriesIndex:0,
});
chart.dispatchAction({
type:"highlight",
seriesIndex:0,
dataIndex:hourIndex
});
chart.dispatchAction({
type:"showTip",
seriesIndex:0,
dataIndex:hourIndex
});
hourIndex++;
if(hourIndex > data.length){
hourIndex=0;
}
}
var hourIndex=0;
var fhourTime = setInterval(Play, 3000);
//鼠标移入停止轮播
chart.on("mousemove", function(e) {
clearInterval(fhourTime)
})
//鼠标移出恢复轮播
chart.on("mouseout", function() {
fhourTime = setInterval(Play, 3000);
})