Echarts设置不同柱子颜色

{
    series: [
        {
            itemStyle: {
                normal: {
                //每根柱子颜色设置
                    color: function(params) {
                        let colorList = [
                                            "#c23531",
                                            "#2f4554",
                                            "#61a0a8",
                                            "#546570"
                                        ];
                        return colorList[params.dataIndex];
                    }
                }
            },
        }
    ]
}