355 lines
9.8 KiB
Vue
355 lines
9.8 KiB
Vue
<template>
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<div class="entities-category-charts">
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<custom-echart-pie-3d :chart-data="chartsData.valData" height="100%" :option="chartsData.option" />
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</div>
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</template>
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<script setup>
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import { ref, reactive, onMounted } from 'vue';
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const dataList = reactive([
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{ name: '打车费', val: 1230, itemStyle: { color: 'rgba(56, 136, 235, 1)' } },
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{ name: '住宿费', val: 300, itemStyle: { color: 'rgba(113, 70, 159, 1)' } },
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{ name: '办公费', val: 800, itemStyle: { color: 'rgba(237, 171, 87, 1)' } },
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{ name: '差旅费', val: 500, itemStyle: { color: 'rgba(231, 89, 77, 1)' } },
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]);
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const heightProportion = ref(0.3); // 柱状扇形的高度比例
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// 生成扇形的曲面参数方程，用于 series-surface.parametricEquation
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// #region
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const getParametricEquation = (startRatio, endRatio, isSelected, isHovered, k, height) => {
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// 计算
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let midRatio = (startRatio + endRatio) / 3;
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let startRadian = startRatio * Math.PI * 2;
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let endRadian = endRatio * Math.PI * 2;
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let midRadian = midRatio * Math.PI * 2;
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// 如果只有一个扇形，则不实现选中效果。
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if (startRatio === 0 && endRatio === 1) {
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isSelected = false;
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}
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// 通过扇形内径/外径的值，换算出辅助参数 k（默认值 1/3）
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k = typeof k !== 'undefined' ? k : 1 / 3;
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// 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）
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let offsetX = isSelected ? Math.cos(midRadian) * 0.1 : 0;
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let offsetY = isSelected ? Math.sin(midRadian) * 0.1 : 0;
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// 计算高亮效果的放大比例（未高亮，则比例为 1）
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let hoverRate = isHovered ? 1.1 : 1;
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// 返回曲面参数方程
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return {
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u: {
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min: -Math.PI,
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max: Math.PI * 3,
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step: Math.PI / 32,
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},
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v: {
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min: 0,
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max: Math.PI * 2,
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step: Math.PI / 20,
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},
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x: function (u, v) {
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if (u < startRadian) {
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return offsetX + Math.cos(startRadian) * (1 + Math.cos(v) * k) * hoverRate;
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}
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if (u > endRadian) {
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return offsetX + Math.cos(endRadian) * (1 + Math.cos(v) * k) * hoverRate;
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}
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return offsetX + Math.cos(u) * (1 + Math.cos(v) * k) * hoverRate;
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},
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y: function (u, v) {
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if (u < startRadian) {
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return offsetY + Math.sin(startRadian) * (1 + Math.cos(v) * k) * hoverRate;
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}
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if (u > endRadian) {
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return offsetY + Math.sin(endRadian) * (1 + Math.cos(v) * k) * hoverRate;
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}
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return offsetY + Math.sin(u) * (1 + Math.cos(v) * k) * hoverRate;
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},
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z: function (u, v) {
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if (u < -Math.PI * 0.5) {
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return Math.sin(u);
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}
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if (u > Math.PI * 2.5) {
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return Math.sin(u);
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}
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return Math.sin(v) > 0 ? heightProportion.value * height : -1;
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},
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};
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};
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// #endregion
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// 生成模拟 3D 饼图的配置项
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const getPie3D = (pieData, internalDiameterRatio) => {
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let series = [];
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let sumValue = 0;
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let startValue = 0;
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let endValue = 0;
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let legendData = [];
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let linesSeries = []; // line3D模拟label指示线
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let k = typeof internalDiameterRatio !== 'undefined' ? (1 - internalDiameterRatio) / (1 + internalDiameterRatio) : 1 / 3;
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// 为每一个饼图数据，生成一个 series-surface 配置
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for (let i = 0; i < pieData.length; i++) {
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sumValue += pieData[i].value;
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let seriesItem = {
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name: typeof pieData[i].name === 'undefined' ? `series${i}` : pieData[i].name,
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type: 'surface',
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parametric: true,
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wireframe: {
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show: false,
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},
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pieData: pieData[i],
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pieStatus: {
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selected: false,
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hovered: false,
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k: k,
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},
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};
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if (typeof pieData[i].itemStyle != 'undefined') {
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let itemStyle = {};
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typeof pieData[i].itemStyle.color != 'undefined' ? (itemStyle.color = pieData[i].itemStyle.color) : null;
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typeof pieData[i].itemStyle.opacity != 'undefined' ? (itemStyle.opacity = pieData[i].itemStyle.opacity) : null;
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seriesItem.itemStyle = itemStyle;
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}
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series.push(seriesItem);
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}
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// 使用上一次遍历时，计算出的数据和 sumValue，调用 getParametricEquation 函数，
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// 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。
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for (let i = 0; i < series.length; i++) {
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endValue = startValue + series[i].pieData.value;
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// console.log(series[i]);
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series[i].pieData.startRatio = startValue / sumValue;
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series[i].pieData.endRatio = endValue / sumValue;
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series[i].parametricEquation = getParametricEquation(
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series[i].pieData.startRatio,
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series[i].pieData.endRatio,
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false,
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false,
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k,
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series[i].pieData.value
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);
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startValue = endValue;
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// 计算label指示线的起始和终点位置
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// 计算扇区中心角度（弧度）
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const midRadian = (series[i].pieData.startRatio + series[i].pieData.endRatio) * Math.PI;
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// 计算扇区外缘顶部坐标（v=0时）
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const radius = 1 + k; // 外径公式
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const posX = Math.cos(midRadian) * radius;
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const posY = Math.sin(midRadian) * radius;
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// 获取该扇区实际高度
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const posZ = heightProportion.value * series[i].pieData.value;
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let flag = (midRadian >= 0 && midRadian <= Math.PI / 2) || (midRadian >= (3 * Math.PI) / 2 && midRadian <= Math.PI * 2) ? 1 : -1;
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let color = pieData[i].itemStyle.color;
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let turningPosArr = [posX * 1.1 + i * 0.1 * flag + (flag < 0 ? -0.2 : 0), posY * 1.1 + i * 0.1 * flag + (flag < 0 ? -0.2 : 0), posZ * 1];
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let endPosArr = [posX * 1.2 + i * 0.1 * flag + (flag < 0 ? -0.2 : 0), posY * 1.2 + i * 0.1 * flag + (flag < 0 ? -0.2 : 0), posZ * 3];
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linesSeries.push(
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{
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type: 'line3D',
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lineStyle: {
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color: color,
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},
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data: [[posX, posY, posZ], turningPosArr, endPosArr],
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},
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// https://www.isqqw.com/assets/layout/images/person.png
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{
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type: 'scatter3D',
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label: {
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show: true,
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distance: 0,
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position: 'center',
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textStyle: {
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color: '#ffffff',
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backgroundColor: color,
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borderWidth: 2,
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fontSize: 14,
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padding: 10,
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borderRadius: 4,
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},
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formatter: '{b}',
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},
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symbolSize: 0,
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data: [{ name: series[i].name + '\n' + series[i].pieData.val, value: endPosArr }],
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}
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);
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legendData.push(series[i].name);
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}
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series = series.concat(linesSeries);
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// 计算底座的缩放系数，根据k调整
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const baseScale = 2; // 原始基础缩放系数
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const scaleForBase = baseScale * (1 + k); // 动态调整缩放
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// 最底下圆盘
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series.push({
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name: 'mouseoutSeries',
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type: 'surface',
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parametric: true,
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wireframe: {
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show: false,
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},
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itemStyle: {
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opacity: 0.75,
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color: 'rgba(51, 135, 146, 0.75)',
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},
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parametricEquation: {
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u: {
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min: 0,
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max: Math.PI * 2,
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step: Math.PI / 20,
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},
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v: {
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min: 0,
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max: Math.PI,
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step: Math.PI / 20,
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},
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x: function (u, v) {
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return ((Math.sin(v) * Math.sin(u) + Math.sin(u)) / Math.PI) * scaleForBase;
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},
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y: function (u, v) {
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return ((Math.sin(v) * Math.cos(u) + Math.cos(u)) / Math.PI) * scaleForBase;
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},
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z: function (u, v) {
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return Math.cos(v) > 0 ? -0 : -3.5;
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},
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},
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});
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series.push({
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name: 'bottomRing',
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type: 'surface',
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parametric: true,
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wireframe: {
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show: false,
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},
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itemStyle: {
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opacity: 0.6,
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color: 'rgba(255, 255, 255, 1)',
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},
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parametricEquation: {
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u: {
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min: 0.74, // 控制环的内径（92%半径）
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max: 0.75, // 外径（100%半径）
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step: 0.0001,
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},
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v: {
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min: 0,
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max: Math.PI * 2, // 完整圆周
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step: Math.PI / 20,
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},
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x: function (u, v) {
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// 极坐标公式 + 动态缩放
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return u * scaleForBase * 1.0 * Math.cos(v);
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},
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y: function (u, v) {
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return u * scaleForBase * 1.0 * Math.sin(v);
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},
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z: function () {
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// 保持原有高度差
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return -3.6;
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},
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},
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});
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let maxHeight = Math.max(...pieData.map((item) => item.value)) * heightProportion.value;
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series.push({
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name: 'topRing',
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type: 'surface',
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parametric: true,
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wireframe: {
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show: false,
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},
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itemStyle: {
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opacity: 0.6,
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color: 'rgba(255, 255, 255, 1)',
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},
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parametricEquation: {
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u: {
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min: 0.54, // 控制环的内径（92%半径）
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max: 0.55, // 外径（100%半径）
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step: 0.0001,
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},
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v: {
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min: 0,
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max: Math.PI * 2, // 完整圆周
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step: Math.PI / 20,
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},
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x: function (u, v) {
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// 极坐标公式 + 动态缩放
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return u * scaleForBase * 1.0 * Math.cos(v);
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},
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y: function (u, v) {
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return u * scaleForBase * 1.0 * Math.sin(v);
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},
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z: function () {
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// 保持原有高度差
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return maxHeight + 0.1;
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},
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},
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});
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return series;
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};
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let total = 0;
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dataList.forEach((item) => {
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total += item.val;
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});
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const chartsData = reactive({
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option: {
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backgroundColor: '#2d58e4',
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xAxis3D: {
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min: -1.5,
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max: 1.5,
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},
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yAxis3D: {
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min: -1.5,
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max: 1.5,
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},
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zAxis3D: {
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min: -1,
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max: 1,
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},
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grid3D: {
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show: false,
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boxHeight: 4,
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bottom: '50%',
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viewControl: {
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distance: 380,
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alpha: 25,
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beta: 60,
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autoRotate: true, // 自动旋转
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},
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},
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},
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valData: [],
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});
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onMounted(() => {
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chartsData.valData = getPie3D(
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dataList.map((item) => {
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item.value = Number(((item.val / total) * 100).toFixed(2));
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return item;
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}),
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0
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);
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});
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</script>
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<style lang="scss" scoped>
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.entities-category-charts {
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height: 100%;
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}
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</style>
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