Ehcarts draws 3D pie chart

You need to use echarts.min.js and echarts-gl.min.js
I searched online for a long time and couldn’t find a reliable one. I checked the information and got one for my own convenience /span>
Copy directly to the html file to run

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Ehcarts Demo</title>
    <script src="https://cdn.staticfile.org/echarts/4.3.0/echarts.min.js"></script>
    <script src="https://echarts.baidu.com/resource/echarts-gl-latest/dist/echarts-gl.min.js"></script>
</head>
<body>
    <div class="container">
        <div id="main3" style="width: 600px;height: 400px;background-color:#0D70FF;"></div>
    </div>
    <script>
         window.onload = function(){
      
      
            var data = [
            {
      
       name: '行政管理', value: 30, itemStyle: {
      
       color: '#c045ed' }, startRatio: 0, endRatio: 0.7 },
            {
      
       name: '城市管理', value: 45, itemStyle: {
      
       color: '#6442ee' }, startRatio: 0.7, endRatio: 1 },
            {
      
       name: '社会名声', value: 11, itemStyle: {
      
       color: '#3556ee' }, startRatio: 0.7, endRatio: 1 },
            {
      
       name: '其他', value: 14, itemStyle: {
      
       color: '#82cbe4' }, startRatio: 0.7, endRatio: 1 },
            ];
            var optionConfig = {
      
      };
            const getPie3D = (pieData, internalDiameterRatio) => {
      
      
                //internalDiameterRatio:透明的空心占比
                let series = [];
                let sumValue = 0;
                let startValue = 0;
                let endValue = 0;
                let k = 1;
                pieData.sort((a, b) => {
      
      
                    return b.value - a.value;
                });
                // 为每一个饼图数据,生成一个 series-surface 配置
                for (let i = 0; i < pieData.length; i++) {
      
      
                    sumValue += pieData[i].value;
                    let seriesItem = {
      
      
                        name: typeof pieData[i].name === 'undefined' ? `series${ 
        i}` : pieData[i].name,
                        type: 'surface',
                        parametric: true,
                        wireframe: {
      
      
                            show: false,
                        },
                        pieData: pieData[i],
                        pieStatus: {
      
      
                            selected: false,
                            hovered: false,
                            k: k,
                        },
                        radius: '50%',
                        center: ['10%', '10%'],
                    };

                    if (typeof pieData[i].itemStyle != 'undefined') {
      
      
                        let itemStyle = {
      
      };
                        typeof pieData[i].itemStyle.color != 'undefined' ? (itemStyle.color = pieData[i].itemStyle.color) : null;
                        typeof pieData[i].itemStyle.opacity != 'undefined'
                            ? (itemStyle.opacity = pieData[i].itemStyle.opacity)
                            : null;
                        seriesItem.itemStyle = itemStyle;
                    }
                    series.push(seriesItem);
                }

                // 使用上一次遍历时,计算出的数据和 sumValue,调用 getParametricEquation 函数,
                // 向每个 series-surface 传入不同的参数方程 series-surface.parametricEquation,也就是实现每一个扇形。
                for (let i = 0; i < series.length; i++) {
      
      
                    endValue = startValue + series[i].pieData.value;
                    series[i].pieData.startRatio = startValue / sumValue;
                    series[i].pieData.endRatio = endValue / sumValue;
                    series[i].parametricEquation = getParametricEquation(
                        series[i].pieData.startRatio,
                        series[i].pieData.endRatio,
                        false,
                        false,
                        k,
                        series[i].pieData.value
                    );
                    startValue = endValue;
                }
                let boxHeight = getHeight3D(series, 25); //通过传参设定3d饼/环的高度,26代表26px
                // 准备待返回的配置项,把准备好的 legendData、series 传入。
                let option = {
      
      
                    backgroundColor: '#203598',
                    labelLine: {
      
      
                        show: true,
                        lineStyle: {
      
      
                            color: '#404772',
                        },
                    },
                    label: {
      
      
                        show: true,
                        position: 'outside',
                        rich: {
      
      
                            b: {
      
      
                                fontSize: 24,
                                lineHeight: 30,
                                fontWeight: 'bold',
                                color: '#fff',
                            },
                            c: {
      
      
                                fontSize: 18,
                                color: '#fff',
                            },
                        },
                        formatter: '{b|{b}}\n{c|{c}%}',
                    },
                    tooltip: {
      
      
                        backgroundColor: '#053A8D',
                        formatter: (params) => {
      
      
                            if (params.seriesName !== 'mouseoutSeries' && params.seriesName !== 'pie2d') {
      
      
                                let bfb = (
                                    (option.series[params.seriesIndex].pieData.endRatio -
                                        option.series[params.seriesIndex].pieData.startRatio) *
                                    100
                                ).toFixed(2);
                                return (
                                    `${ 
        params.seriesName}<br/>` +
                                    `<span style="display:inline-block;margin-right:5px;border-radius:10px;width:10px;height:10px;background-color:${ 
        params.color};"></span>` +
                                    `${ 
        bfb}%`
                                );
                            }
                        },
                    },
                    xAxis3D: {
      
      
                        min: -1,
                        max: 1,
                    },
                    yAxis3D: {
      
      
                        min: -1,
                        max: 1,
                    },
                    zAxis3D: {
      
      
                        min: -1,
                        max: 1,
                    },
                    grid3D: {
      
      
                        show: false,
                        boxHeight: boxHeight, //圆环的高度
                        left: 0,
                        top: 0, //3d饼图的位置
                        viewControl: {
      
      
                            //3d效果可以放大、旋转等,请自己去查看官方配置
                            alpha: 20, //角度
                            distance: 250, //调整视角到主体的距离,类似调整zoom
                            rotateSensitivity: 1, //设置为0无法旋转1可旋转
                            zoomSensitivity: 1, //设置为0无法缩放1可缩放
                            panSensitivity: 1, //设置为0无法平移1可平移
                            autoRotate: false, //自动旋转
                        },
                    },
                    series: series,
                };
                return option;
            };
            //获取3d丙图的最高扇区的高度
            const getHeight3D = (series, height) => {
      
      
                series.sort((a, b) => {
      
      
                    return b.pieData.value - a.pieData.value;
                });
                return (height * 25) / series[0].pieData.value;
            };

            // 生成扇形的曲面参数方程,用于 series-surface.parametricEquation
            const getParametricEquation = (startRatio, endRatio, isSelected, isHovered, k, h) => {
      
      
                // 计算
                let midRatio = (startRatio + endRatio) / 2;
                let startRadian = startRatio * Math.PI * 2;
                let endRadian = endRatio * Math.PI * 2;
                let midRadian = midRatio * Math.PI * 2;
                // 如果只有一个扇形,则不实现选中效果。
                if (startRatio === 0 && endRatio === 1) {
      
      
                    isSelected = true;
                }
                // 通过扇形内径/外径的值,换算出辅助参数 k(默认值 1/3)
                k = typeof k !== 'undefined' ? k : 1 / 3;
                // 计算选中效果分别在 x 轴、y 轴方向上的位移(未选中,则位移均为 0)
                let offsetX = isSelected ? Math.cos(midRadian) * 0.1 : 0;
                let offsetY = isSelected ? Math.sin(midRadian) * 0.1 : 0;
                // 计算高亮效果的放大比例(未高亮,则比例为 1)
                let hoverRate = isHovered ? 1.05 : 1;
                // 返回曲面参数方程
                return {
      
      
                    u: {
      
      
                        min: -Math.PI,
                        max: Math.PI * 3,
                        step: Math.PI / 32,
                    },
                    v: {
      
      
                        min: 0,
                        max: Math.PI * 2,
                        step: Math.PI / 20,
                    },
                    x: function (u, v) {
      
      
                        if (u < startRadian) {
      
      
                            return offsetX + Math.cos(startRadian) * (1 + Math.cos(v) * k) * hoverRate;
                        }
                        if (u > endRadian) {
      
      
                            return offsetX + Math.cos(endRadian) * (1 + Math.cos(v) * k) * hoverRate;
                        }
                        return offsetX + Math.cos(u) * (1 + Math.cos(v) * k) * hoverRate;
                    },
                    y: function (u, v) {
      
      
                        if (u < startRadian) {
      
      
                            return offsetY + Math.sin(startRadian) * (1 + Math.cos(v) * k) * hoverRate;
                        }
                        if (u > endRadian) {
      
      
                            return offsetY + Math.sin(endRadian) * (1 + Math.cos(v) * k) * hoverRate;
                        }
                        return offsetY + Math.sin(u) * (1 + Math.cos(v) * k) * hoverRate;
                    },
                    z: function (u, v) {
      
      
                        if (u < -Math.PI * 0.5) {
      
      
                            return Math.sin(u);
                        }
                        if (u > Math.PI * 2.5) {
      
      
                            return Math.sin(u) * h * 0.1;
                        }
                        return Math.sin(v) > 0 ? 1 * h * 0.1 : -1;
                    },
                };
            };
            option = getPie3D(data, 0.8);
            //是否需要label指引线,如果要就添加一个透明的2d饼状图并调整角度使得labelLine和3d的饼状图对齐,并再次setOption
            option.series.push({
      
      
                name: 'pie2d',
                type: 'pie',
                labelLine: {
      
      
                    length: 10,
                    length2: 10,
                },
                startAngle: -25, //起始角度,支持范围[0, 360]。
                clockwise: false, //饼图的扇区是否是顺时针排布。上述这两项配置主要是为了对齐3d的样式
                radius: ['65%', '65%'],
                center: ['55%', '48%'], //指示线的位置
                data: data,
                itemStyle: {
      
      
                    opacity: 0,
                },
            });
            var chartDom = document.getElementById('main3');
            var myChart = echarts.init(chartDom);
            option && myChart.setOption(option);
        }
    </script>
</body>
</html>

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Origin blog.csdn.net/woshiabc111/article/details/129533379