双柱子渐变echarts 柱状配置项内容和展示

      var getsyzl = ['2014', '2015', '2016', '2017', '2018', '2019'];
var getwkrs = [826, 673, 588, 782, 779, 855];
var getlkrs = [686, 703, 788, 882, 779, 785];
option = {
    backgroundColor: '#000',
    grid: {
        top: '20%',
        left: '7%',
        right: '2%',
        bottom: '3%',
        containLabel: true
    },
    tooltip:{
        show:true,
    },
    legend: {
        data: ['文科', '理科'],
        right: "3%",
        top: "4%",
        textStyle: {
            color: "#A1D5FF",
            fontSize: 12
        },
        itemWidth: 12, // 设置宽度
        itemHeight: 16, // 设置高度
        itemGap: 12 // 设置间距
    },
    xAxis: [{
        data: getsyzl,
        axisLabel: {
            margin: 10,
            color: '#A1D5FF',
            textStyle: {
                fontSize: 12
            },
        },
        axisLine: {
            lineStyle: {
                color: '#102E74',
            }
        },
        axisTick: {
            show: false
        },
    }],
    yAxis: [{
        type: 'value',
        axisLabel: {
            color: '#A1D5FF',
            textStyle: {
                fontSize: 12
            },
        },
        axisLine: {
            show: false,
        },
        axisTick: {
            show: false
        },
        splitLine: {
            lineStyle: {
                color: '#102E74',
            }
        }
    }],
    series: [{
        name: "文科",
        type: 'bar',
        data: getwkrs,
        barWidth: '12px',
        itemStyle: {
            normal: {
                color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [{
                    offset: 0,
                    color: 'rgba(85,244,255,0.9)' // 0% 处的颜色
                }, {
                    offset: 1,
                    color: 'transparent' // 100% 处的颜色
                }], false),
                barBorderRadius: [30, 30, 0, 0],
            }
        },
    }, {
        name: "理科",
        type: 'bar',
        data: getlkrs,
        barWidth: '12px',
        itemStyle: {
            normal: {
                color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [{
                    offset: 0,
                    color: 'rgba(85,101,255,0.9)' // 0% 处的颜色
                }, {
                    offset: 1,
                    color: 'transparent' // 100% 处的颜色
                }], false),
                barBorderRadius: [30, 30, 0, 0],
            }
        },
    }]
}