|
|
@@ -0,0 +1,235 @@
|
|
|
+<template>
|
|
|
+ <div
|
|
|
+ id="echart1"
|
|
|
+ class="chart"
|
|
|
+ />
|
|
|
+</template>
|
|
|
+
|
|
|
+<script setup lang='ts'>
|
|
|
+import { ref, onMounted, nextTick } from 'vue'
|
|
|
+import * as echarts from 'echarts'
|
|
|
+import 'echarts-gl'
|
|
|
+import { EChartsType } from 'echarts'
|
|
|
+
|
|
|
+const props = withDefaults(defineProps<{
|
|
|
+ option?: any[]
|
|
|
+}>(), {
|
|
|
+ option: () => [
|
|
|
+
|
|
|
+ {
|
|
|
+ name: '',
|
|
|
+ value: 160,
|
|
|
+ itemStyle: {
|
|
|
+ color: 'rgba(100, 170, 220, 1)'
|
|
|
+ }
|
|
|
+ },
|
|
|
+ {
|
|
|
+ name: '',
|
|
|
+ value: 200,
|
|
|
+ itemStyle: {
|
|
|
+ color: 'rgba(190, 190, 230,1)'
|
|
|
+ }
|
|
|
+ },
|
|
|
+ {
|
|
|
+ name: '',
|
|
|
+ value: 150,
|
|
|
+ itemStyle: {
|
|
|
+ color: 'rgba(167, 240, 190, 1)'
|
|
|
+ }
|
|
|
+ },
|
|
|
+
|
|
|
+ {
|
|
|
+ name: '',
|
|
|
+ value: 100,
|
|
|
+ itemStyle: {
|
|
|
+ color: 'rgba(110, 215, 200, 1)'
|
|
|
+ }
|
|
|
+ },
|
|
|
+ {
|
|
|
+ name: '',
|
|
|
+ value: 140,
|
|
|
+ itemStyle: {
|
|
|
+ color: 'rgba(220, 220,175, 1)'
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ ]
|
|
|
+})
|
|
|
+const chart = ref(null as unknown as EChartsType)
|
|
|
+
|
|
|
+// 计算曲面
|
|
|
+function getParametricEquation(startRatio: number, endRatio: number, isSelected: boolean, isHovered: boolean, k: number, height: number) {
|
|
|
+ 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) {
|
|
|
+ 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)
|
|
|
+ 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: number, v: number) {
|
|
|
+ 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: number, v: number) {
|
|
|
+ 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: number, v: number) {
|
|
|
+ if (u < -Math.PI * 0.5) {
|
|
|
+ return Math.sin(u)
|
|
|
+ }
|
|
|
+ if (u > Math.PI * 2.5) {
|
|
|
+ return Math.sin(u)
|
|
|
+ }
|
|
|
+ return Math.sin(v) > 0 ? 1 * height : -1
|
|
|
+ }
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+// 生成模拟 3D 饼图的配置项
|
|
|
+function getPie3D(pieData: string | any[], internalDiameterRatio: number) {
|
|
|
+ const series = [] as any[]
|
|
|
+ let sumValue = 0
|
|
|
+ let startValue = 0
|
|
|
+ let endValue = 0
|
|
|
+ const legendData = [] as any[]
|
|
|
+ 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++) {
|
|
|
+ const el = pieData[i]
|
|
|
+ sumValue += el.value
|
|
|
+ series.push({
|
|
|
+ name: el.name || i,
|
|
|
+ type: 'surface',
|
|
|
+ parametric: true,
|
|
|
+ wireframe: {
|
|
|
+ show: false
|
|
|
+ },
|
|
|
+ pieData: el,
|
|
|
+ pieStatus: {
|
|
|
+ selected: false,
|
|
|
+ hovered: false,
|
|
|
+ k
|
|
|
+ },
|
|
|
+ itemStyle: {
|
|
|
+ color: el.itemStyle?.color || undefined,
|
|
|
+ opacity: el.itemStyle?.opacity || undefined
|
|
|
+ }
|
|
|
+ })
|
|
|
+ }
|
|
|
+
|
|
|
+ // 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++) {
|
|
|
+ const el = series[i]
|
|
|
+ endValue = startValue + el.pieData.value
|
|
|
+ el.pieData.startRatio = startValue / sumValue
|
|
|
+ el.pieData.endRatio = endValue / sumValue
|
|
|
+ el.parametricEquation = getParametricEquation(el.pieData.startRatio, el.pieData.endRatio, false, false, k, el.pieData.value)
|
|
|
+ startValue = endValue
|
|
|
+ legendData.push(el.name)
|
|
|
+ }
|
|
|
+ return series
|
|
|
+}
|
|
|
+
|
|
|
+// 初始化
|
|
|
+const echartInit = () => {
|
|
|
+ const dom = document.getElementById('echart1')
|
|
|
+ chart.value = echarts.init(dom)
|
|
|
+ const series = getPie3D(props.option, 0.85)// 第二个参数控制圆环粗细
|
|
|
+ chart.value.setOption({
|
|
|
+ legend: {
|
|
|
+ show: false
|
|
|
+ },
|
|
|
+ animation: true,
|
|
|
+ tooltip: {
|
|
|
+ // 划过显示的内容
|
|
|
+ formatter: (params: { seriesName: string; color: any; seriesIndex: string | number; }) => {
|
|
|
+ if (params.seriesName !== 'mouseoutSeries' && params.seriesName !== 'pie2d') {
|
|
|
+ return `${params.seriesName}<br/><span style="display:inline-block;margin-right:5px;border-radius:10px;width:10px;height:10px;background-color:${params.color};"></span>${`${series[params.seriesIndex].pieData.value}件`}`
|
|
|
+ }
|
|
|
+ },
|
|
|
+ textStyle: {
|
|
|
+ fontSize: 14
|
|
|
+ }
|
|
|
+ },
|
|
|
+ xAxis3D: {
|
|
|
+ min: -1,
|
|
|
+ max: 1
|
|
|
+ },
|
|
|
+ yAxis3D: {
|
|
|
+ min: -1,
|
|
|
+ max: 1
|
|
|
+ },
|
|
|
+ zAxis3D: {
|
|
|
+ min: -1,
|
|
|
+ max: 1
|
|
|
+ },
|
|
|
+ grid3D: {
|
|
|
+ show: false,
|
|
|
+ boxHeight: 0.2, // 环形图的高度,可自己调节
|
|
|
+ top: '-10%',
|
|
|
+ left: '-10%',
|
|
|
+ // environment: "rgba(255,255,255,0)",
|
|
|
+ viewControl: {
|
|
|
+ distance: 180, // 调整视角到主体的距离,类似调整zoom
|
|
|
+ alpha: 23, // 角度
|
|
|
+ beta: 30,
|
|
|
+ autoRotate: false, // 自动旋转
|
|
|
+ rotateSensitivity: 1, // 设置为0无法旋转
|
|
|
+ zoomSensitivity: 1, // 设置为0无法缩放
|
|
|
+ panSensitivity: 1 // 设置为0无法平移
|
|
|
+ }
|
|
|
+ },
|
|
|
+ series
|
|
|
+ })
|
|
|
+}
|
|
|
+
|
|
|
+onMounted(() => nextTick(() => echartInit()))
|
|
|
+</script>
|
|
|
+<style lang="scss" scoped>
|
|
|
+.chart {
|
|
|
+ width: 100%;
|
|
|
+ height: 100%;
|
|
|
+}
|
|
|
+</style>
|