折线和柱形综合图,渐变色,造成tooltip小标签颜色取值不按照series.color显示

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折线和柱形综合图,均设置渐变色,此时tooltip小标签颜色取值不按照series.color显示

1、series.color=[ 'red' , 'yellow' ],不设置渐变色,折线和柱子依次取值

2、柱子设置渐变色后,柱子的tooltip小标签颜色取设置的渐变色;

3、折线设置渐变色后,折线  线的颜色和tooltip小标签颜色 均取series.color的 'red' ;折线和渐变色无关;

如下图:

option = {
    //定义线的颜色,series.type='line'取,series.type='bar'不取
    color: ['red', 'yellow'],
    grid: {
        left: '20%',
        right: '20%',
        bottom: '20%',
    },
    tooltip: {
        trigger: 'axis',
        axisPointer: {
            type: 'shadow'
        }
    },
    legend: {
        data: ['Steppe', 'Forest', 'Desert', 'Wetland']
    },
    calculable: true,
    xAxis: [{
        type: 'category',
        axisTick: {
            show: false
        },
        data: ['2012', '2013', '2014', '2015', '2016']
    }],
    yAxis: [{
        type: 'value'
    }],
    series: [
        {
            name: 'Steppe',
            type: 'line',
            data: [220, 182, 191, 234, 290],
            areaStyle: {//折线颜色不取渐变色,取color设置值
                normal: {
                    color: new echarts.graphic.LinearGradient(
                        0, 0, 0, 1,
                        [{
                                offset: 0, //开始位置,从上向下
                                color: 'rgb(0,205,102)'
                            },
                            {
                                offset: 1,
                                color: 'rgba(0,205,102,.4)'
                            }
                        ]
                    )
                }
            },
        },
        {
            name: 'Forest',
            type: 'bar',
            barWidth: 20,
            barGap: 0,
            itemStyle: {//柱子的tooltip的颜色不取color设置值,取渐变色
                normal: {
                    color: new echarts.graphic.LinearGradient(
                        0, 0, 0, 1,
                        [{
                                offset: 0, //开始位置,从上向下
                                color: 'rgba(0,0,0,1)'//是黑色的
                            },
                            {
                                offset: 1,
                                color: 'rgba(0,0,0,.2)'
                            }
                        ]
                    )
                }
            },
            data: [320, 332, 301, 334, 390]
        },
    ]
};

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转载自blog.csdn.net/LzzMandy/article/details/84071343