3D圆饼图,可修改颜色,图片等,具体见代码:

组件代码:

<template>
    <!-- 饼图 -->
    <div :id="histogramId" v-bind:style="{height:height,width:width}"></div>

</template>

<script src="https://unpkg.com/echarts-gl@2/dist/echarts-gl.min.js"></script>
<script type="text/ecmascript-6">
    export default {
        props:{
            //id
            histogramId:{
                type:String,
                default:''
            },
            //组件的高度
            height: {
                type: String,
                default: '160px'
            },
            //组件的宽度
            width: {
                type: String,
                default: '500px'
            },
            //legend 样式
            legend:{
                type:Object,
                default:()=>{
                    return{
                        legendIcon:'rect',  //circle,rect ,roundRect,triangle,diamond,pin,arrow,none
                        legendWidth:10,
                        legendHeight:10,
                        legendGrap:20,
                        bottom:'0%',
                        top:'5%',
                        right:'0%',
                        color:'#ffffff',
                        fontSize:12,
                        legendShow:false
                    }
                }
            },
            graphic:{
                type:Array,
                default:()=>[
                    {threeDiImg:'http://218.56.180.213:8029/static/file/pic/202305/picFgwCEgfJ1684914835410.png',imgWidth:220, imgHeight:98,threeDiLeft:'20%',threeDiTop:'35%'},
                    {threeDiImg:'http://218.56.180.213:8029/static/file/pic/202305/picu4HDaEi21684914867656.png',imgWidth:185, imgHeight:77,threeDiLeft:'24%',threeDiTop:'31%'}
                ]
            },
            grid3D:{
                type:Object,
                default:()=>{
                    return{
                        threeTop:'-15%',
                        threeLeft:'-7%',
                        threeDistance:170,
                        radius:0.59,  //之前默认0.59
                        alpha:30,
                        autoRotateSpeed:30,
                        height:40
                    }
                }
            },
            imgGridData: {
                type: Array,
                default: () => [
                    {name: '开放式', value: 10}, {name: '封闭式', value: 20}, {name: '混合式', value: 30},{name: '其他', value: 30}
                ]
            },
            colors:{
                type:Array,
                default:()=>["#1D9FFF", "#FFDE14", "#7376FA", "#F74D4F", "#04AF52"]
            },
        },
        data() {
            return {
                threeHIgh: "",
                imgPieData: [],
            };
        },
        methods: {
            initPie() {
                var that = this;
                that.threeHIgh = that.$echarts.init(document.getElementById(that.histogramId));
                var option;
                let selectedIndex = "";
                let hoveredIndex = "";
                var colors = that.colors;
                var dataOld = that.imgGridData;
                var data = [],
                    color = "";
                for (var i = 0; i < dataOld.length; i++) {
                    if (i % 5 == 0) {
                        color = colors[i];
                    } else if (i % 5 == 1) {
                        color = colors[i];
                    } else if (i % 5 == 2) {
                        color =colors[i];
                    } else if (i % 5 == 3) {
                        color = colors[i];
                    } else if (i % 5 == 4) {
                        color = colors[i];
                    }
                    let item = {
                        name: dataOld[i].name,
                        value: dataOld[i].value,
                        itemStyle: {
                            color: color,
                        },
                    };
                    data.push(item);
                }
                option = getPie3D(
                    data,
                    that.grid3D.radius //这个是只饼图倾斜的角度
                );

                // 生成扇形的曲面参数方程
                function getParametricEquation(startRatio, endRatio, isSelected, isHovered, k, h) {
                    // 计算
                    const midRatio = (startRatio + endRatio) / 2;

                    const startRadian = startRatio * Math.PI * 2;
                    const endRadian = endRatio * Math.PI * 2;
                    const 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) {
                        // eslint-disable-next-line no-param-reassign
                        isSelected = false;
                    }

                    // 通过扇形内径/外径的值,换算出辅助参数 k(默认值 1/3)
                    // eslint-disable-next-line no-param-reassign
                    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)
                    const offsetX = isSelected ? Math.cos(midRadian) * 0.1 : 0;
                    const 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)
                    const 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(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(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(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;
                            }
                            // 当前图形的高度是Z根据h(每个value的值决定的)
                            return Math.sin(v) > 0 ? 1 * h * 0.1 : -1;
                        },
                    };
                }
                // 生成模拟 3D 饼图的配置项
                function getPie3D(pieData, internalDiameterRatio) {
                    const series = [];
                    // 总和
                    let sumValue = 0;
                    let startValue = 0;
                    let endValue = 0;
                    const legendData = [];
                    const k = typeof internalDiameterRatio !== "undefined" ? (1 - internalDiameterRatio) / (1 + internalDiameterRatio) : 1 / 3;

                    // 为每一个饼图数据,生成一个 series-surface 配置
                    for (let i = 0; i < pieData.length; i += 1) {
                        sumValue += pieData[i].value;

                        const seriesItem = {
                            name: typeof pieData[i].name === "undefined" ? `series${i}` : pieData[i].name,
                            num: typeof pieData[i].value === "undefined" ? `series${i}` : pieData[i].value,
                            type: "surface",
                            parametric: true,
                            wireframe: {
                                show: false,
                            },
                            pieData: pieData[i],
                            pieStatus: {
                                selected: false,
                                hovered: false,
                                k,
                            },
                        };

                        if (typeof pieData[i].itemStyle !== "undefined") {
                            const { itemStyle } = pieData[i];

                            // eslint-disable-next-line no-unused-expressions
                            typeof pieData[i].itemStyle.color !== "undefined" ? (itemStyle.color = pieData[i].itemStyle.color) : null;
                            // eslint-disable-next-line no-unused-expressions
                            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 += 1) {
                        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,
                            that.grid3D.height

                            // 我这里做了一个处理,使除了第一个之外的值都是10
                            // series[i].pieData.value === series[0].pieData.value ? 35 : 10
                            // (series[i].pieData.value = 35)
                        );

                        startValue = endValue;

                        legendData.push(series[i].name);
                    }

                    //graphic的个数,图片的个数
                    var graphicArr = []
                    for(var i = 0;i<that.graphic.length;i++){
                        let item = {
                            type: "image",
                            z: 0,
                            style: {
                                // image: require("../../../static/images/echarts/circle_bg.png"),
                                image: that.graphic[i].threeDiImg,
                                width: that.graphic[i].imgWidth,
                                height: that.graphic[i].imgHeight,
                            },
                            left: that.graphic[i].threeDiLeft,
                            top: that.graphic[i].threeDiTop,
                            position: [100, 100],
                        }
                        graphicArr.push(item)
                    }

                    // 准备待返回的配置项,把准备好的 legendData、series 传入。
                    const option = {
                        // animation: false,
                        tooltip: {
                            formatter: (params) => {
                                if (params.seriesName !== "mouseoutSeries") {
                                    return `${params.seriesName}<br/><span style="z-index:10;display:inline-block;margin-right:5px;border-radius:10px;width:10px;height:10px;background-color:${params.color};"></span>${
                                        option.series[params.seriesIndex].pieData.value
                                        }`;
                                }
                                return "";
                            },
                        },
                        legend: {
                            icon: that.legend.legendIcon,
                            show: that.legend.legendShow,
                            data: legendData,
                            top: 10,
                            width: 50,
                            itemWidth: that.legend.legendWidth,
                            itemHeight: that.legend.legendHeight,
                            itemGap: that.legend.legendGrap,
                            right: that.legend.right,
                            top:that.legend.top,
                            textStyle: {
                                align: "right",
                                // verticalAlign: 'middle',
                                rich: {
                                    name: {
                                        verticalAlign: "right",
                                        color: "#A7CBF4",
                                        fontSize: 12,
                                        align: "left",
                                    },
                                    value: {
                                        color: "rgba(255,255,255,0.9)",
                                        fontSize: 12,
                                        align: "left",
                                    },
                                    rate: {
                                        color: "rgba(255,255,255,0.9)",
                                        fontSize: 12,
                                        align: "right",
                                    },
                                },
                            },
                            formatter: (name) => {
                                if (dataOld.length) {
                                    const item = dataOld.filter((item) => item.name === name)[0];
                                    return `{name|${name}    }{value|${item.value}}`;
                                    //  return `{name|${name}    }{value| ${item.value}} `;
                                }
                            },
                        },
                        graphic: {
                            // elements: [
                            //     {
                            //         type: "image",
                            //         z: 0,
                            //         style: {
                            //             // image: require("../../../static/images/echarts/circle_bg.png"),
                            //             image: that.graphic.threeDiImg,
                            //             width: that.graphic.imgWidth,
                            //             height: that.graphic.imgHeight,
                            //         },
                            //         left: that.graphic.threeDiLeft,
                            //         top: that.graphic.threeDiTop,
                            //         position: [100, 100],
                            //     },
                            // ],
                            elements:graphicArr
                        },
                        xAxis3D: {
                            min: -1,
                            max: 1,
                        },
                        yAxis3D: {
                            min: -1,
                            max: 1,
                        },
                        zAxis3D: {
                            min: -1,
                            max: 1,
                        },
                        grid3D: {
                            show: false,
                            boxHeight: 5,
                            top: that.grid3D.threeTop,
                            left: that.grid3D.threeLeft,
                            zlevel: 10,
                            viewControl: {
                                // 3d效果可以放大、旋转等,请自己去查看官方配置
                                alpha: that.grid3D.alpha,
                                rotateSensitivity: 1,
                                zoomSensitivity: 0,
                                panSensitivity: 0,
                                autoRotate: true,
                                autoRotateSpeed: that.grid3D.autoRotateSpeed, //这是旋转的速度
                                distance: that.grid3D.threeDistance,
                            },
                            // 后处理特效可以为画面添加高光、景深、环境光遮蔽(SSAO)、调色等效果。可以让整个画面更富有质感。
                            postEffect: {
                                // 配置这项会出现锯齿,请自己去查看官方配置有办法解决
                                enable: false,
                                bloom: {
                                    enable: true,
                                    bloomIntensity: 0.1,
                                },
                                SSAO: {
                                    enable: true,
                                    quality: "medium",
                                    radius: 2,
                                },
                                // temporalSuperSampling: {
                                //   enable: true,
                                // },
                            },

                        },
                        series,
                    };
                    that.threeHIgh.setOption(option);
                    return option;
                }

                //  修正取消高亮失败的 bug
                // 监听 mouseover,近似实现高亮(放大)效果
                that.threeHIgh.on("mouseover", function (params) {
                    // 准备重新渲染扇形所需的参数
                    let isSelected;
                    let isHovered;
                    let startRatio;
                    let endRatio;
                    let k;
                    let i;
                    // 如果触发 mouseover 的扇形当前已高亮,则不做操作
                    if (hoveredIndex === params.seriesIndex || params.seriesIndex === undefined) {
                        return;

                        // 否则进行高亮及必要的取消高亮操作
                    } else {
                        // 如果当前有高亮的扇形,取消其高亮状态(对 option 更新)
                        if (hoveredIndex !== "") {
                            // 从 option.series 中读取重新渲染扇形所需的参数,将是否高亮设置为 false。
                            isSelected = option.series[hoveredIndex].pieStatus.selected;
                            isHovered = false;
                            startRatio = option.series[hoveredIndex].pieData.startRatio;
                            endRatio = option.series[hoveredIndex].pieData.endRatio;
                            k = option.series[hoveredIndex].pieStatus.k;
                            i = option.series[hoveredIndex].pieData.value === option.series[0].pieData.value ? 35 : 10;
                            // 对当前点击的扇形,执行取消高亮操作(对 option 更新)
                            option.series[hoveredIndex].parametricEquation = getParametricEquation(startRatio, endRatio, isSelected, isHovered, k, 40);
                            option.series[hoveredIndex].pieStatus.hovered = isHovered;

                            // 将此前记录的上次选中的扇形对应的系列号 seriesIndex 清空
                            hoveredIndex = "";
                        }

                        // 如果触发 mouseover 的扇形不是透明圆环,将其高亮(对 option 更新)
                        if (params.seriesName !== "mouseoutSeries") {
                            // 从 option.series 中读取重新渲染扇形所需的参数,将是否高亮设置为 true。
                            isSelected = option.series[params.seriesIndex].pieStatus.selected;
                            isHovered = true;
                            startRatio = option.series[params.seriesIndex].pieData.startRatio;
                            endRatio = option.series[params.seriesIndex].pieData.endRatio;
                            k = option.series[params.seriesIndex].pieStatus.k;

                            // 对当前点击的扇形,执行高亮操作(对 option 更新)
                            // option.series[params.seriesIndex].pieData.value + 5
                            option.series[params.seriesIndex].parametricEquation = getParametricEquation(startRatio, endRatio, isSelected, isHovered, k, 60);
                            option.series[params.seriesIndex].pieStatus.hovered = isHovered;

                            // 记录上次高亮的扇形对应的系列号 seriesIndex
                            hoveredIndex = params.seriesIndex;
                        }
                        // 使用更新后的 option,渲染图表
                        that.threeHIgh.setOption(option);
                    }
                });

                // 修正取消高亮失败的 bug
                that.threeHIgh.on("globalout", function () {
                    if (hoveredIndex !== "") {
                        // 从 option.series 中读取重新渲染扇形所需的参数,将是否高亮设置为 true。
                        let isSelected = option.series[hoveredIndex].pieStatus.selected;
                        let isHovered = false;
                        let k = option.series[hoveredIndex].pieStatus.k;
                        let startRatio = option.series[hoveredIndex].pieData.startRatio;
                        let endRatio = option.series[hoveredIndex].pieData.endRatio;
                        // 对当前点击的扇形,执行取消高亮操作(对 option 更新)
                        i = option.series[hoveredIndex].pieData.value === option.series[0].pieData.value ? 35 : 10;
                        option.series[hoveredIndex].parametricEquation = getParametricEquation(startRatio, endRatio, isSelected, isHovered, k, 40);
                        option.series[hoveredIndex].pieStatus.hovered = isHovered;

                        // 将此前记录的上次选中的扇形对应的系列号 seriesIndex 清空
                        hoveredIndex = "";
                    }

                    // 使用更新后的 option,渲染图表
                    that.threeHIgh.setOption(option);
                });

                // //点击
                // that.threeHIgh.on('click', function (params) {
                //   //向父级传递index
                //   that.$emit('pieAll', params.dataIndex)
                // });
            },
        },
        watch: {
            // pieData: {
            //     handler(newVal, oldVal) {
            //         this.initPie();
            //     },
            //     deep: true,
            // },
            width: function () {
                this.threeHIgh.resize();
            },
            imgGridData: {
                handler(newVal, oldVal) {
                    this.imgPieData = newVal;
                    this.$nextTick(function () {
                        this.initPie();
                    });
                },
                deep: true,
            },
        },
        mounted() {
            // this.initSingleColorZhu()
            // 新建一个promise对象
            let newPromise = new Promise((resolve) => {
                resolve();
            });
            var that = this;
            //然后异步执行echarts的初始化函数
            newPromise.then(() => {
                //  此dom为echarts图标展示dom
                that.$nextTick(function () {
                    that.initPie();
                });
            });
        },
    };
</script>