<template>
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<div class="e-chart-root" @dblclick="fullScreen" :class="{'full-screen': fullScreenState}">
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<div class="e-chart-container">
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<div class="e-chart" :id="id" :ref="id"></div>
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</div>
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</div>
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</template>
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<script>
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// 引入 ECharts 主模块
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import ECharts from "echarts/lib/echarts";
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//引入折线图
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import "echarts/lib/chart/pie";
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//引入提示框
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import "echarts/lib/component/tooltip";
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//引入标题
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import "echarts/lib/component/title";
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//引入图例标志
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import "echarts/lib/component/legend";
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//区域缩放
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import "echarts/lib/component/dataZoom";
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// 引入自定义主题
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import "./theme/transparent";
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export default {
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name: "ringChart",
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props: ["id"],
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data() {
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return {
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fullScreenState: false,
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};
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},
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methods: {
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getOption(opt) {
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// 整体配置项
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let option = {
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animation: false,
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series: this.getSeries(opt),
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};
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return option;
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},
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setOption(opt) {
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let option = this.getOption(opt);
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// 清理画布
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this.$G.chartManage.get(this.id).clear();
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// 设置配置项
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this.$G.chartManage.get(this.id).setOption(option);
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},
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getSeries(opt) {
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// 未配置series
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if (!opt) {
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return [];
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}
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// 设置配置项
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let series = opt.series;
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// 返回
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return series;
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},
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fullScreen() {
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this.fullScreenState = this.fullScreenState ? false : true;
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this.$nextTick(() => {
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// 重置大小
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this.$G.chartManage.get(this.id).resize();
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});
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},
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resize() {
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// 重置大小
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this.$G.chartManage.get(this.id).resize();
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},
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},
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mounted() {
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// 基于准备好的dom，初始化echarts实例
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let chart = ECharts.init(this.$refs[this.id], "transparent");
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// 将图表添加到图表管理
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this.$G.chartManage.set(this.id, chart);
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// 设置配置项
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this.setOption();
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// 根据功能屏蔽右键菜单
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if (this.rightMenu) {
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document.getElementById(this.id).oncontextmenu = function () {
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return false;
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};
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}
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},
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};
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</script>
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<style scoped>
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.e-chart-root,
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.e-chart-container,
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.e-chart {
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height: 100%;
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box-sizing: border-box;
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}
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.e-chart-root.full-screen .e-chart-container {
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position: fixed;
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top: 0;
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left: 0;
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right: 0;
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bottom: 0;
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background-size: 100% 100%;
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z-index: 9999;
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}
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</style>
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