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@ -0,0 +1,540 @@
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<template>
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<div class="chart-container">
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<!-- 底座背景 -->
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<div style="margin: auto; width: 439.17px; height: 183px" ref="pie3d" />
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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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props: ["list", "colorlist"],
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data() {
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return {
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optionData: [],
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};
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},
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watch: {
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list: function (newVal, oldVal) {
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// this.optionData = this.list;
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if(this.optionData.length >0){
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}
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this.init();
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},
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},
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mounted() {
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this.myChart = this.$echarts.init(this.$refs.pie3d);
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this.setLabel();
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this.init();
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},
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methods: {
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setLabel() {
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const that = this;
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this.optionData.forEach((item, index) => {
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// item.itemStyle = {
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// color: that.color[index],
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// };
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item.label = {
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normal: {
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show: true,
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// color: that.color[index],
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formatter: ["{b|{b}}", "{c|{c}}{b|台}", "{d|{d}%}"].join("\n"), // 用\n来换行
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rich: {
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b: {
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color: "#fff",
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lineHeight: 25,
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align: "left",
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},
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c: {
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fontSize: 22,
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color: "#fff",
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textShadowColor: "#1c90a6",
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textShadowOffsetX: 0,
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textShadowOffsetY: 2,
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textShadowBlur: 5,
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},
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d: {
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// color: that.color[index],
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align: "left",
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},
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},
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},
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};
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item.labelLine = {
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normal: {
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lineStyle: {
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width: 1,
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color: "rgba(255,255,255,0.7)",
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},
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},
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};
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});
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},
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//初始化构建
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init() {
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// 传入数据生成 option ; getPie3D(数据,透明的空心占比(调节中间空心范围的0就是普通饼1就很镂空))
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this.optionData = this.list;
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this.option = this.getPie3D(this.optionData, 0.85)
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this.option.series.push({
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// backgroundColor: "transparent",
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type: "pie",
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label: {
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// show: true,
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opacity: 1,
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alignTo: "labelLine",
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color: "#FFFFFF",
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fontSize: 12,
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// lineHeight: 20,
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},
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labelLine: {
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length: 50,
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length2: 0,
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maxSurfaceAngle: 100,
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},
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startAngle: -40, // 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%", "48%"],
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data: this.optionData,
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itemStyle: {
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opacity: 0, //这里必须是0,不然2d的图会覆盖在表面
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},
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});
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//将配置项设置进去
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this.myChart.setOption(this.option);
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//鼠标移动上去特效效果
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this.bindListen(this.myChart);
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},
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// 监听鼠标事件,实现饼图选中效果(单选),近似实现高亮(放大)效果。
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bindListen(myChart) {
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let that = this;
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let selectedIndex = "";
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let hoveredIndex = "";
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// 监听点击事件,实现选中效果(单选)
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myChart.on("click", function (params) {
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// 从 option.series 中读取重新渲染扇形所需的参数,将是否选中取反。
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let isSelected =
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!that.option.series[params.seriesIndex].pieStatus.selected;
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let isHovered =
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that.option.series[params.seriesIndex].pieStatus.hovered;
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let k = that.option.series[params.seriesIndex].pieStatus.k;
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let startRatio =
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that.option.series[params.seriesIndex].pieData.startRatio;
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let endRatio = that.option.series[params.seriesIndex].pieData.endRatio;
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// 如果之前选中过其他扇形,将其取消选中(对 option 更新)
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if (selectedIndex !== "" && selectedIndex !== params.seriesIndex) {
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that.option.series[selectedIndex].parametricEquation =
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that.getParametricEquation(
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that.option.series[selectedIndex].pieData.startRatio,
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that.option.series[selectedIndex].pieData.endRatio,
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false,
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false,
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k,
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that.option.series[selectedIndex].pieData.value
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);
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that.option.series[selectedIndex].pieStatus.selected = false;
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}
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// 对当前点击的扇形,执行选中/取消选中操作(对 option 更新)
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that.option.series[params.seriesIndex].parametricEquation =
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that.getParametricEquation(
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startRatio,
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endRatio,
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isSelected,
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isHovered,
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k,
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that.option.series[params.seriesIndex].pieData.value
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);
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that.option.series[params.seriesIndex].pieStatus.selected = isSelected;
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// 如果本次是选中操作,记录上次选中的扇形对应的系列号 seriesIndex
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isSelected ? (selectedIndex = params.seriesIndex) : null;
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// 使用更新后的 option,渲染图表
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myChart.setOption(that.option);
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});
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// 监听 mouseover,近似实现高亮(放大)效果
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myChart.on("mouseover", function (params) {
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// 准备重新渲染扇形所需的参数
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let isSelected;
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let isHovered;
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let startRatio;
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let endRatio;
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let k;
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// 如果触发 mouseover 的扇形当前已高亮,则不做操作
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if (hoveredIndex === params.seriesIndex) {
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return;
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// 否则进行高亮及必要的取消高亮操作
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} else {
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// 如果当前有高亮的扇形,取消其高亮状态(对 option 更新)
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if (hoveredIndex !== "") {
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// 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。
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isSelected = that.option.series[hoveredIndex].pieStatus.selected;
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isHovered = false;
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startRatio = that.option.series[hoveredIndex].pieData.startRatio;
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endRatio = that.option.series[hoveredIndex].pieData.endRatio;
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k = that.option.series[hoveredIndex].pieStatus.k;
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// 对当前点击的扇形,执行取消高亮操作(对 option 更新)
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that.option.series[hoveredIndex].parametricEquation =
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that.getParametricEquation(
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startRatio,
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endRatio,
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isSelected,
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isHovered,
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k,
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that.option.series[hoveredIndex].pieData.value
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);
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that.option.series[hoveredIndex].pieStatus.hovered = isHovered;
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// 将此前记录的上次选中的扇形对应的系列号 seriesIndex 清空
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hoveredIndex = "";
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}
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// 如果触发 mouseover 的扇形不是透明圆环,将其高亮(对 option 更新)
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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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// 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。
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isSelected =
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that.option.series[params.seriesIndex].pieStatus.selected;
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isHovered = true;
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startRatio =
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that.option.series[params.seriesIndex].pieData.startRatio;
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endRatio = that.option.series[params.seriesIndex].pieData.endRatio;
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k = that.option.series[params.seriesIndex].pieStatus.k;
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// 对当前点击的扇形,执行高亮操作(对 option 更新)
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that.option.series[params.seriesIndex].parametricEquation =
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that.getParametricEquation(
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startRatio,
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endRatio,
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isSelected,
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isHovered,
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k,
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that.option.series[params.seriesIndex].pieData.value + 5
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);
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that.option.series[params.seriesIndex].pieStatus.hovered =
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isHovered;
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// 记录上次高亮的扇形对应的系列号 seriesIndex
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hoveredIndex = params.seriesIndex;
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}
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// 使用更新后的 option,渲染图表
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myChart.setOption(that.option);
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}
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});
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// 修正取消高亮失败的 bug
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myChart.on("globalout", function () {
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// 准备重新渲染扇形所需的参数
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let isSelected;
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let isHovered;
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let startRatio;
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let endRatio;
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let k;
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if (hoveredIndex !== "") {
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// 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。
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isSelected = that.option.series[hoveredIndex].pieStatus.selected;
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isHovered = false;
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k = that.option.series[hoveredIndex].pieStatus.k;
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startRatio = that.option.series[hoveredIndex].pieData.startRatio;
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endRatio = that.option.series[hoveredIndex].pieData.endRatio;
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// 对当前点击的扇形,执行取消高亮操作(对 option 更新)
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that.option.series[hoveredIndex].parametricEquation =
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that.getParametricEquation(
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startRatio,
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endRatio,
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isSelected,
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isHovered,
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k,
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that.option.series[hoveredIndex].pieData.value
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);
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that.option.series[hoveredIndex].pieStatus.hovered = isHovered;
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// 将此前记录的上次选中的扇形对应的系列号 seriesIndex 清空
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hoveredIndex = "";
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}
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// 使用更新后的 option,渲染图表
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myChart.setOption(that.option);
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});
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},
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getPie3D(pieData, internalDiameterRatio) {
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let that = this;
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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 legendBfb = [];
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let k = 1 - internalDiameterRatio;
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pieData.sort((a, b) => {
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return b.value - a.value;
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});
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// 为每一个饼图数据,生成一个 series-surface(参数曲面) 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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//系统名称
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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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//是否为参数曲面(是)
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parametric: true,
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//曲面图网格线(否)上面一根一根的
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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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//曲面的颜色、不透明度等样式。
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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"
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? (itemStyle.color = pieData[i].itemStyle.color)
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: null;
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typeof pieData[i].itemStyle.opacity != "undefined"
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? (itemStyle.opacity = pieData[i].itemStyle.opacity)
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: 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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legendData = [];
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legendBfb = [];
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for (let i = 0; i < series.length; i++) {
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endValue = startValue + series[i].pieData.value;
|
|
|
|
|
series[i].pieData.startRatio = startValue / sumValue;
|
|
|
|
|
series[i].pieData.endRatio = endValue / sumValue;
|
|
|
|
|
series[i].parametricEquation = this.getParametricEquation(
|
|
|
|
|
series[i].pieData.startRatio,
|
|
|
|
|
series[i].pieData.endRatio,
|
|
|
|
|
false,
|
|
|
|
|
false,
|
|
|
|
|
k,
|
|
|
|
|
series[i].pieData.value
|
|
|
|
|
);
|
|
|
|
|
startValue = endValue;
|
|
|
|
|
let bfb = that.fomatFloat(series[i].pieData.value / sumValue, 4);
|
|
|
|
|
legendData.push({
|
|
|
|
|
name: series[i].name,
|
|
|
|
|
value: bfb,
|
|
|
|
|
});
|
|
|
|
|
legendBfb.push({
|
|
|
|
|
name: series[i].name,
|
|
|
|
|
value: bfb,
|
|
|
|
|
});
|
|
|
|
|
}
|
|
|
|
|
//(第二个参数可以设置你这个环形的高低程度)
|
|
|
|
|
let boxHeight = this.getHeight3D(series, 15); //通过传参设定3d饼/环的高度
|
|
|
|
|
// 准备待返回的配置项,把准备好的 legendData、series 传入。
|
|
|
|
|
let option = {
|
|
|
|
|
//图例组件
|
|
|
|
|
legend: {
|
|
|
|
|
data: legendData,
|
|
|
|
|
//图例列表的布局朝向。
|
|
|
|
|
orient: "horizontal",
|
|
|
|
|
left: "0%",
|
|
|
|
|
//图例文字每项之间的间隔
|
|
|
|
|
itemGap: 10,
|
|
|
|
|
textStyle: {
|
|
|
|
|
color: "#A1E2FF",
|
|
|
|
|
fontSize: 12,
|
|
|
|
|
},
|
|
|
|
|
show: true,
|
|
|
|
|
icon: "circle",
|
|
|
|
|
//格式化图例文本(我是数值什么显示什么)
|
|
|
|
|
// formatter: function (name) {
|
|
|
|
|
// var target;
|
|
|
|
|
// for (var i = 0, l = pieData.length; i < l; i++) {
|
|
|
|
|
// if (pieData[i].name == name) {
|
|
|
|
|
// target = pieData[i].value;
|
|
|
|
|
// }
|
|
|
|
|
// }
|
|
|
|
|
// return `${name}: ${target}`;
|
|
|
|
|
// }
|
|
|
|
|
// 这个可以显示百分比那种(可以根据你想要的来配置)
|
|
|
|
|
formatter: function (param) {
|
|
|
|
|
let item = legendBfb.filter((item) => item.name == param)[0];
|
|
|
|
|
let bfs = that.fomatFloat(item.value * 100, 2) + "%";
|
|
|
|
|
return `${item.name} :${bfs}`;
|
|
|
|
|
},
|
|
|
|
|
},
|
|
|
|
|
//移动上去提示的文本内容
|
|
|
|
|
tooltip: {
|
|
|
|
|
formatter: (params) => {
|
|
|
|
|
if (
|
|
|
|
|
params.seriesName !== "mouseoutSeries" &&
|
|
|
|
|
params.seriesName !== "pie2d"
|
|
|
|
|
) {
|
|
|
|
|
let bfb = (
|
|
|
|
|
(option.series[params.seriesIndex].pieData.endRatio -
|
|
|
|
|
option.series[params.seriesIndex].pieData.startRatio) *
|
|
|
|
|
100
|
|
|
|
|
).toFixed(2);
|
|
|
|
|
return (
|
|
|
|
|
`${params.seriesName}<br/>` +
|
|
|
|
|
`<span style="display:inline-block;margin-right:5px;border-radius:10px;width:10px;height:10px;background-color:${params.color};"></span>` +
|
|
|
|
|
`${bfb}`+
|
|
|
|
|
`%`
|
|
|
|
|
);
|
|
|
|
|
}
|
|
|
|
|
},
|
|
|
|
|
},
|
|
|
|
|
//这个可以变形
|
|
|
|
|
xAxis3D: {
|
|
|
|
|
min: -1,
|
|
|
|
|
max: 1,
|
|
|
|
|
},
|
|
|
|
|
yAxis3D: {
|
|
|
|
|
min: -1,
|
|
|
|
|
max: 1,
|
|
|
|
|
},
|
|
|
|
|
zAxis3D: {
|
|
|
|
|
min: -1,
|
|
|
|
|
max: 1,
|
|
|
|
|
},
|
|
|
|
|
//此处是修改样式的重点
|
|
|
|
|
grid3D: {
|
|
|
|
|
show: false,
|
|
|
|
|
boxHeight: boxHeight, //圆环的高度
|
|
|
|
|
//这是饼图的位置
|
|
|
|
|
top: "22%",
|
|
|
|
|
left:"-10%",
|
|
|
|
|
viewControl: {
|
|
|
|
|
//3d效果可以放大、旋转等,请自己去查看官方配置
|
|
|
|
|
alpha: 30, //角度(这个很重要 调节角度的)
|
|
|
|
|
distance: 175, //调整视角到主体的距离,类似调整zoom(这是整体大小)
|
|
|
|
|
rotateSensitivity: 1, //设置为0无法旋转
|
|
|
|
|
zoomSensitivity: 0, //设置为0无法缩放
|
|
|
|
|
panSensitivity: 0, //设置为0无法平移
|
|
|
|
|
autoRotate: true, //自动旋转
|
|
|
|
|
},
|
|
|
|
|
},
|
|
|
|
|
series: series,
|
|
|
|
|
};
|
|
|
|
|
return option;
|
|
|
|
|
},
|
|
|
|
|
getHeight3D(series, height) {
|
|
|
|
|
series.sort((a, b) => {
|
|
|
|
|
return b.pieData.value - a.pieData.value;
|
|
|
|
|
});
|
|
|
|
|
return (height * 25) / series[0].pieData.value;
|
|
|
|
|
},
|
|
|
|
|
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 = 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)
|
|
|
|
|
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;
|
|
|
|
|
},
|
|
|
|
|
};
|
|
|
|
|
},
|
|
|
|
|
fomatFloat(num, n) {
|
|
|
|
|
var f = parseFloat(num);
|
|
|
|
|
if (isNaN(f)) {
|
|
|
|
|
return false;
|
|
|
|
|
}
|
|
|
|
|
f = Math.round(num * Math.pow(10, n)) / Math.pow(10, n); // n 幂
|
|
|
|
|
var s = f.toString();
|
|
|
|
|
var rs = s.indexOf(".");
|
|
|
|
|
//判定如果是整数,增加小数点再补0
|
|
|
|
|
if (rs < 0) {
|
|
|
|
|
rs = s.length;
|
|
|
|
|
s += ".";
|
|
|
|
|
}
|
|
|
|
|
while (s.length <= rs + n) {
|
|
|
|
|
s += "0";
|
|
|
|
|
}
|
|
|
|
|
return s;
|
|
|
|
|
},
|
|
|
|
|
},
|
|
|
|
|
};
|
|
|
|
|
</script>
|
|
|
|
|
<style lang='scss' scoped>
|
|
|
|
|
.chart-container {
|
|
|
|
|
position: relative;
|
|
|
|
|
width: 100%;
|
|
|
|
|
height: 100%;
|
|
|
|
|
|
|
|
|
|
.chart,
|
|
|
|
|
.pie3d,
|
|
|
|
|
.bg {
|
|
|
|
|
width: 100%;
|
|
|
|
|
height: 100%;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
.bg {
|
|
|
|
|
position: absolute;
|
|
|
|
|
bottom: 50px;
|
|
|
|
|
left: 50%;
|
|
|
|
|
z-index: -1;
|
|
|
|
|
width: 180px;
|
|
|
|
|
height: 73px;
|
|
|
|
|
background: no-repeat center;
|
|
|
|
|
background-image: url("https://ks3-cn-beijing.ksyun.com/sxjg-elevator/datav-platform-2.0/images/chart_opacity_bg.png");
|
|
|
|
|
background-size: 100% 100%;
|
|
|
|
|
transform: translateX(-50%);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
</style>
|