【echarts】修改柱状图颜色

创建一个柱状图对象

<div id="barGragh" style="width: 100%;height:400px;margin-bottom: 5px">
</div>

js设置树形

//柱状图
    var barGragh = document.getElementById('barGragh');
    var barChart = echarts.init(barGragh);
    var barChartoption = {
        tooltip: {
            trigger: 'axis'
        },
        legend: {
            data: ['上周同比', '今日整点'],
            /* y : 'bottom' */
        },
        toolbox: {
            show: false,
            feature: {
                mark: {show: true},
                dataView: {show: true, readOnly: false},
                magicType: {show: true, type: ['line', 'bar']},
                restore: {show: true},
                saveAsImage: {show: true}
            }
        },
        color : ['#ff7f50','#87cefa', '#61a0a8', '#d48265', '#91c7ae','#749f83',  '#ca8622', '#bda29a','#6e7074', '#546570', '#c4ccd3'],
        calculable: true,
        grid: {
            left: '0%',
            right: '0%',
            bottom: '15%',
            containLabel: true
        },
        xAxis: [
            {
                type: 'category',
                axisLabel:{
                    interval:0,
                    rotate:30,
                    margin:15,
                    textStyle:{
                      color:"#222"
                    }
              },
              data: []
            }
        ],
        yAxis: [
            {
                type: 'value',
                name: 'GMV'
            }
        ],
        series: [
            {
                name: '上周同比',
                type: 'bar',
                barMaxWidth: '100',
                data: [],
                markPoint: {
                    itemStyle: {
                        normal: {
                            label: {
                                show: true,
                                formatter: "{b}\n¥{c}",
                                textStyle: {
                                    color: '#000'
                                }
                            },
                            textColor : '#000'
                         },
                        emphasis: {
                            label: {
                                show: true
                            }
                        }
                    },
                    data: [
                        {
   type: 'max', name: '上周最大值',},
                        {
   type: 'min', name: '上周最小值'}
                    ]
                },
                markLine: {
                    data: [
                        {
   type: 'average', name: '平均值'}
                    ]
                }
            },
            {
                name: '今日整点',
                type: 'bar',
                barMaxWidth: '100',
                data: [],
                markPoint: {
                    itemStyle: {
                        normal: {
                            label: {
                                show: true,
                                formatter: "{b}\n{c}",
                                textStyle: {
                                    color: '#000'
                                }
                            },
                            textColor : '#000'
                         },
                        emphasis: {
                            label: {
                                show: true
                            }
                        }
                    },
                    data: [
                        {
   type: 'max', name: '今日最大值'},
                        {
   type: 'min', name: '今日最小值'}
                    ]
                },
                markLine: {
                    data: [
                        {
   type: 'average', name: '平均值'}
                    ]
                }
            }
        ]
    };
    barChart.setOption(barChartoption);