339 lines
9.5 KiB
Vue
339 lines
9.5 KiB
Vue
<template>
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<div>
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<div id="bing"></div>
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</div>
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</template>
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<script>
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export default {
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name: "ProjectONE",
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data() {
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return {};
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},
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mounted() {
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this.getbing();
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},
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methods: {
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// 生成扇形的曲面参数方程，用于 series-surface.parametricEquation
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getParametricEquation(startRatio, endRatio, isSelected, isHovered, k, h) {
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// 计算
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const midRatio = (startRatio + endRatio) / 2;
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const startRadian = startRatio * Math.PI * 2;
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const endRadian = endRatio * Math.PI * 2;
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const 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 = 1;
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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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const offsetX = isSelected ? Math.cos(midRadian) * 0.1 : 0;
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const 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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const hoverRate = isHovered ? 1.05 : 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 (
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offsetX +
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Math.cos(startRadian) * (1 + Math.cos(v) * k) * hoverRate
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);
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}
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if (u > endRadian) {
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return (
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offsetX + Math.cos(endRadian) * (1 + Math.cos(v) * k) * hoverRate
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);
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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 (
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offsetY +
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Math.sin(startRadian) * (1 + Math.cos(v) * k) * hoverRate
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);
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}
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if (u > endRadian) {
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return (
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offsetY + Math.sin(endRadian) * (1 + Math.cos(v) * k) * hoverRate
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);
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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) * h * 0.1;
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}
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return Math.sin(v) > 0 ? 1 * h * 0.1 : -1;
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},
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};
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},
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getPie3D(
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pieData,
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internalDiameterRatio,
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distance,
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alpha,
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pieHeight,
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opacity = 1
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) {
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const 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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const legendData = [];
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const k =
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typeof internalDiameterRatio !== "undefined"
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? (1 - internalDiameterRatio) / (1 + internalDiameterRatio)
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: 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 += 1) {
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sumValue += pieData[i].value;
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const seriesItem = {
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name:
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typeof pieData[i].name === "undefined"
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? `series${i}`
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: 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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const itemStyle = {};
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if (typeof pieData[i].itemStyle.color !== "undefined") {
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itemStyle.color = pieData[i].itemStyle.color;
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}
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if (typeof pieData[i].itemStyle.opacity !== "undefined") {
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itemStyle.opacity = pieData[i].itemStyle.opacity;
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}
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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 += 1) {
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endValue = startValue + series[i].pieData.value;
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series[i].pieData.startRatio = startValue / sumValue;
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series[i].pieData.endRatio = endValue / sumValue;
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console.log(
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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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series[i].parametricEquation = this.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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legendData.push(series[i].name);
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}
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return series;
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},
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getbing() {
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const optionsData = [
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{
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name: "生料系统",
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value: 11,
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itemStyle: {
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color: "#0BA0E3",
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// opacity: 1,
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},
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},
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{
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name: "水泥磨系统",
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value: 33,
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itemStyle: {
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color: "#01E3F4",
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// opacity: 1,
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},
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},
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{
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name: "破碎系统",
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value: 22,
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itemStyle: {
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color: "#50F4C1",
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// opacity: 1,
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},
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},
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];
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const series = this.getPie3D(optionsData, 0.8, 240, 28, 26, 0.5);
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series.push({
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name: "pie2d",
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type: "pie",
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label: {
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opacity: 1,
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fontSize: 13,
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lineHeight: 20,
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},
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labelLine: {
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length: 30,
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length2: 30,
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},
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startAngle: -30, //起始角度，支持范围[0, 360]。
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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
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radius: ["20%", "50%"],
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center: ["50%", "50%"],
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data: optionsData,
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itemStyle: {
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opacity: 0,
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},
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});
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let option = {
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// legend: {
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// tooltip: {
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// show: true,
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// },
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// data: ["生料系统", "水泥磨系统", "破碎系统"],
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// bottom: "10%",
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// textStyle: {
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// color: "#fff",
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// fontSize: 12,
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// },
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// },
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// tooltip: {
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// formatter: (params) => {
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// console.log(params);
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// console.log(params.seriesName);
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// if (
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// params.seriesName !== "mouseoutSeries" &&
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// params.seriesName !== "pie2d"
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// ) {
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// let bfb = (
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// (option.series[params.seriesIndex].pieData.endRatio -
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// option.series[params.seriesIndex].pieData.startRatio) *
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// 100
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// ).toFixed(2);
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// return (
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// `${params.seriesName}<br/>` +
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// `<span style="display:inline-block;margin-right:5px;border-radius:10px;width:10px;height:10px;background-color:${params.color};"></span>` +
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// `${bfb}%`
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// );
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// }
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// },
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// },
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// title: {
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// text: "3D 饼图",
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// x: "center",
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// top: "20",
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// textStyle: {
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// color: "#fff",
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// fontSize: 22,
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// },
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// },
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labelLine: {
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show: true,
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lineStyle: {
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color: "#7BC0CB",
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},
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},
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label: {
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show: true,
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position: "outside",
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formatter: (params) => {
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const total = optionsData.reduce((a, b) => {
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return a.value + b.value;
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});
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console.log(total);
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const percent = (params.value / total) * 100;
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console.log(params);
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return `{name|${params.name}}` + "\n" + `{colors|${percent}}`;
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},
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rich: {
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name: {
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fontSize: 24,
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color: "#fff",
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},
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colors: {
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fontSize: 30,
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color: function (params) {
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console.log(params);
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return params.data.color;
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},
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fontWeight: 700,
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},
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},
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},
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xAxis3D: {
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min: -1,
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max: 1,
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},
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yAxis3D: {
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min: -1,
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max: 1,
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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: 30, // 三维笛卡尔坐标系在三维场景中的高度
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viewControl: {
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alpha: 40,
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beta: 40,
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distance: 500, //调整视角到主体的距离，类似调整zoom
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rotateSensitivity: 0, // 设置为0无法旋转
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zoomSensitivity: 0, // 设置为0无法缩放
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panSensitivity: 0, // 设置为0无法平移
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autoRotate: false, // 自动旋转
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},
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},
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series: series,
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};
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this.defineEcharts("bing", option);
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},
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defineEcharts(dom, option) {
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var chartDom = document.getElementById(dom);
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var myChart = this.$echarts.init(chartDom, null, {
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devicePixelRatio: 10, // 设置为2或更高的值
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});
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myChart.setOption(option);
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},
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},
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};
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</script>
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<style lang="less" scoped>
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#bing {
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width: 500px;
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height: 500px;
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}
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</style>
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