立体柱状图echarts custom配置项内容和展示

屏体故障次数

      const offsetX = 20;
const offsetY = 10;
// 绘制左侧面
const CubeLeft = echarts.graphic.extendShape({
    shape: {
        x: 0,
        y: 0,
    },
    buildPath: function (ctx, shape) {
        // 会canvas的应该都能看得懂，shape是从custom传入的
        const xAxisPoint = shape.xAxisPoint;
        // console.log(shape);
        const c0 = [shape.x, shape.y];
        const c1 = [shape.x - offsetX, shape.y - offsetY];
        const c2 = [xAxisPoint[0] - offsetX, xAxisPoint[1] - offsetY];
        const c3 = [xAxisPoint[0], xAxisPoint[1]];
        ctx.moveTo(c0[0], c0[1]).lineTo(c1[0], c1[1]).lineTo(c2[0], c2[1]).lineTo(c3[0], c3[1]).closePath();
    },
});
// 绘制右侧面
const CubeRight = echarts.graphic.extendShape({
    shape: {
        x: 0,
        y: 0,
    },
    buildPath: function (ctx, shape) {
        const xAxisPoint = shape.xAxisPoint;
        const c1 = [shape.x, shape.y];
        const c2 = [xAxisPoint[0], xAxisPoint[1]];
        const c3 = [xAxisPoint[0] + offsetX, xAxisPoint[1] - offsetY];
        const c4 = [shape.x + offsetX, shape.y - offsetY];
        ctx.moveTo(c1[0], c1[1]).lineTo(c2[0], c2[1]).lineTo(c3[0], c3[1]).lineTo(c4[0], c4[1]).closePath();
    },
});
// 绘制顶面
const CubeTop = echarts.graphic.extendShape({
    shape: {
        x: 0,
        y: 0,
    },
    buildPath: function (ctx, shape) {
        const c1 = [shape.x, shape.y];
        const c2 = [shape.x + offsetX, shape.y - offsetY]; //右点
        const c3 = [shape.x, shape.y - offsetX];
        const c4 = [shape.x - offsetX, shape.y - offsetY];
        ctx.moveTo(c1[0], c1[1]).lineTo(c2[0], c2[1]).lineTo(c3[0], c3[1]).lineTo(c4[0], c4[1]).closePath();
    },
});
// 注册三个面图形
echarts.graphic.registerShape('CubeLeft', CubeLeft);
echarts.graphic.registerShape('CubeRight', CubeRight);
echarts.graphic.registerShape('CubeTop', CubeTop);

const VALUE = [100, 200, 300, 400, 300, 200, 100];

option = {
    backgroundColor: '#012366',
    tooltip: {
        trigger: 'axis',
        axisPointer: {
            type: 'shadow',
        },
        formatter: function (params, ticket, callback) {
            const item = params[1];
            return item.name + ' : ' + item.value;
        },
    },
    grid: {
        left: '10%',
        right: '10%',
        top: '15%',
        bottom: '10%',
        containLabel: true,
    },
    xAxis: {
        type: 'category',
        data: ['1001', '1002', '1003', '1004', '1005', '1006', '1007'],
        axisLine: {
            show: true,
            lineStyle: {
                width: 2,
                color: '#2B7BD6',
            },
        },
        axisTick: {
            show: false,
        },
        axisLabel: {
            fontSize: 14,
        },
    },
    yAxis: {
        type: 'value',
        axisLine: {
            show: true,
            lineStyle: {
                width: 2,
                color: '#2B7BD6',
            },
        },
        splitLine: {
            show: true,
            lineStyle: {
                color: '#153D7D',
            },
        },
        axisTick: {
            show: false,
        },
        axisLabel: {
            fontSize: 14,
        },
        // boundaryGap: ['20%', '20%'],
    },
    series: [
        {
            type: 'custom',
            renderItem: (params, api) => {
                const location = api.coord([api.value(0), api.value(1)]);
                return {
                    type: 'group',
                    children: [
                        {
                            type: 'CubeLeft',
                            shape: {
                                api,
                                xValue: api.value(0),
                                yValue: api.value(1),
                                x: location[0],
                                y: location[1],
                                xAxisPoint: api.coord([api.value(0), 0]),
                            },
                            style: {
                                fill: new echarts.graphic.LinearGradient(0, 0, 0, 1, [
                                    {
                                        offset: 0,
                                        color: '#33BCEB',
                                    },
                                    {
                                        offset: 1,
                                        color: '#337CEB',
                                    },
                                ]),
                            },
                        },
                        {
                            type: 'CubeRight',
                            shape: {
                                api,
                                xValue: api.value(0),
                                yValue: api.value(1),
                                x: location[0],
                                y: location[1],
                                xAxisPoint: api.coord([api.value(0), 0]),
                            },
                            style: {
                                fill: new echarts.graphic.LinearGradient(0, 0, 0, 1, [
                                    {
                                        offset: 0,
                                        color: '#28A2CE',
                                    },
                                    {
                                        offset: 1,
                                        color: '#1A57B7',
                                    },
                                ]),
                            },
                        },
                        {
                            type: 'CubeTop',
                            shape: {
                                api,
                                xValue: api.value(0),
                                yValue: api.value(1),
                                x: location[0],
                                y: location[1],
                                xAxisPoint: api.coord([api.value(0), 0]),
                            },
                            style: {
                                fill: new echarts.graphic.LinearGradient(0, 0, 0, 1, [
                                    {
                                        offset: 0,
                                        color: '#43C4F1',
                                    },
                                    {
                                        offset: 1,
                                        color: '#28A2CE',
                                    },
                                ]),
                            },
                        },
                    ],
                };
            },
            data: VALUE,
        },
        {
            type: 'bar',
            label: {
                normal: {
                    show: true,
                    position: 'top',
                    formatter: (e) => {
                        return e.value + '次';
                        /*console.log(e)
                        switch (e.name) {
                            case '1001':
                                return e.value;
                            case '1002':
                                return VALUE[1];
                            case '1003':
                                return VALUE[2];
                        }*/
                    },
                    fontSize: 16,
                    color: '#43C4F1',
                    offset: [0, -25],
                },
            },
            itemStyle: {
                color: 'transparent',
            },
            tooltip: {},
            data: VALUE,
        },
    ],
};