echarts轮播

const colorList = ["#9E87FF", '#73DDFF', '#fe9a8b', '#F56948', '#9E87FF']
const xData = ['北京', '上海', '广州', '深圳', '香港', '澳门', '台湾']
option = {
    backgroundColor: '#fff',
    title: {},
    tooltip: {
        trigger: 'axis',
        axisPointer: {
            label: {
                show: true,
                backgroundColor: '#fff',
                color: '#556677',
                borderColor: 'rgba(0,0,0,0)',
                shadowColor: 'rgba(0,0,0,0)',
                shadowOffsetY: 0
            },
            lineStyle: {
                width: 0
            }
        },
        backgroundColor: '#fff',
        textStyle: {
            color: '#5c6c7c'
        },
        padding: [10, 10],
        extraCssText: 'box-shadow: 1px 0 2px 0 rgba(163,163,163,0.5)'
    },
    grid: {
        top: '15%'
    },
    xAxis: [{
        type: 'category',
        data: xData,
        axisLine: {
            lineStyle: {
                color: 'rgba(107,107,107,0.37)', //x轴颜色
            }
        },
        axisTick: {
            show: false
        },
        axisLabel: {
            interval: 0,
            textStyle: {
                color: '#999' //坐标轴字颜色
            },
            margin: 15
        },
        axisPointer: {
            label: {
                padding: [11, 5, 7],
                backgroundColor: {
                    type: 'linear',
                    x: 0,
                    y: 0,
                    x2: 0,
                    y2: 1,
                    colorStops: [{
                        offset: 0,
                        color: '#fff' // 0% 处的颜色
                    }, {
                        offset: 0.9,
                        color: '#fff' // 0% 处的颜色
                    }, {
                        offset: 0.9,
                        color: '#33c0cd' // 0% 处的颜色
                    }, {
                        offset: 1,
                        color: '#33c0cd' // 100% 处的颜色
                    }],
                    global: false // 缺省为 false
                }
            }
        },
        boundaryGap: false
    }],
    yAxis: [{
        type: 'value',
        axisTick: {
            show: false
        },
        axisLine: {
            show: true,
            lineStyle: {
                color: 'rgba(107,107,107,0.37)', //y轴颜色
            }
        },
        axisLabel: {
            textStyle: {
                color: '#999'
            }
        },
        splitLine: {
            show: false
        }
    }],
    series: [{
        name: 'Adidas',
        type: 'line',
        data: [10, 10, 30, 12, 15, 3, 7],
        symbolSize: 1,
        symbol: 'circle',
        smooth: true,
        yAxisIndex: 0,
        showSymbol: false,
        lineStyle: {
            width: 5,
            color: new echarts.graphic.LinearGradient(0, 1, 0, 0, [{
                    offset: 0,
                    color: '#9effff'
                },
                {
                    offset: 1,
                    color: '#9E87FF'
                }
            ]),
            shadowColor: 'rgba(158,135,255, 0.3)',
            shadowBlur: 10,
            shadowOffsetY: 20
        },
        itemStyle: {
            normal: {
                color: colorList[0],
                borderColor: colorList[0]
            }
        }
    }]
};

let chart = document.getElementById('chart-panel');
let myChart = echarts.init(chart)
let i = 0
setInterval(function(){
    console.log(i)
    i = i === xData.length ? 0 : i+1
    myChart.dispatchAction({
        type: 'showTip',
        seriesIndex:0,  // 显示第几个series
        dataIndex: i // 显示第几个数据
    });
}, 1000)

https://www.makeapie.com/editor.html?c=xyfbpwz9AG   示例地址