Echarts在线免费图表

 
            option = {
    tooltip: {
        trigger: 'axis',
        axisPointer: {
            type: 'shadow',
        },
    },
    xAxis: {
        position:'center',
        axisTick: {
            show: false
        },
        axisLabel: {
            rotate: 90
        },
        data: ['vs arrival', 'vs twap', 'vs vwp'],
    },
    yAxis: [
        {
            type: 'value',
        },
    ],
    series: [
        {
            type: 'bar',
             label: {
                normal: {
                    show: true,
                    position: 'bottom',
                    textStyle: {
                        color: '#f00' // 改变标示文字的颜色
                    },
                },

            },
            data: [-2.51, -3.12, -1.1],
        }
    ],
};