2019-08-07 . tooltip自动轮播

var index = 0; //播放所在下标

myChart.dispatchAction({

type: 'showTip',

seriesIndex: 0,

dataIndex: index

});

var timerout = setInterval(function() {

    myChart.dispatchAction({

type: 'showTip',

seriesIndex: 0,

dataIndex: index

});

index++;

if(index > data.length) {

index = 0;

}

},1000)