• echarts-auto.js

(function (global) {global.tools = global.tools || {};/***  echarts tooltip 自动轮播*  @author liuyishi*  @param chart*  @param chartOption*  @param options*  {*  interval    轮播时间间隔，单位毫秒，默认为2000*  loopSeries  boolean类型，默认为false。*              true表示循环所有series的tooltip，false则显示指定seriesIndex的tooltip* 	seriesIndex 默认为0，指定某个系列（option中的series索引）循环显示tooltip，* 	            当loopSeries为true时，从seriesIndex系列开始执行.*  }* @returns {{clearLoop: clearLoop}}*/tools.loopShowTooltip = function (chart, chartOption, options) {var defaultOptions = {interval: 2000,loopSeries: false,seriesIndex: 0,updateData: null};if (!chart || !chartOption) {return {};}var dataIndex = 0; // 数据索引，初始化为-1，是为了判断是否是第一次执行var seriesIndex = 0; // 系列索引var timeTicket = 0;var seriesLen = chartOption.series.length; // 系列个数var dataLen = 0; // 某个系列数据个数var chartType; // 系列类型var first = true;// 不循环series时seriesIndex指定显示tooltip的系列，不指定默认为0，指定多个则默认为第一个// 循环series时seriesIndex指定循环的series，不指定则从0开始循环所有series，指定单个则相当于不循环，指定多个// 要不要添加开始series索引和开始的data索引？if (options) {options.interval = options.interval || defaultOptions.interval;options.loopSeries = options.loopSeries || defaultOptions.loopSeries;options.seriesIndex = options.seriesIndex || defaultOptions.seriesIndex;options.updateData = options.updateData || defaultOptions.updateData;} else {options = defaultOptions;}// 如果设置的seriesIndex无效，则默认为0if (options.seriesIndex < 0 || options.seriesIndex >= seriesLen) {seriesIndex = 0;} else {seriesIndex = options.seriesIndex;}function autoShowTip() {function showTip() {// 判断是否更新数据if (dataIndex === 0 && !first && typeof options.updateData === "function") {options.updateData();chart.setOption(chartOption);}var series = chartOption.series;chartType = series[seriesIndex].type; // 系列类型dataLen = series[seriesIndex].data.length; // 某个系列的数据个数var tipParams = {seriesIndex: seriesIndex};switch (chartType) {case 'map':case 'pie':case 'chord':tipParams.name = series[seriesIndex].data[dataIndex].name;break;case 'radar': // 雷达图tipParams.seriesIndex = seriesIndex;tipParams.dataIndex = dataIndex;break;default:tipParams.dataIndex = dataIndex;break;}if (chartType === 'pie' || chartType === 'radar') {// 取消之前高亮的图形chart.dispatchAction({type: 'downplay',seriesIndex: options.loopSeries ? (seriesIndex === 0 ? seriesLen - 1 : seriesIndex - 1) : seriesIndex,dataIndex: dataIndex === 0 ? dataLen - 1 : dataIndex - 1});// 高亮当前图形chart.dispatchAction({type: 'highlight',seriesIndex: seriesIndex,dataIndex: dataIndex});}// 显示 tooltiptipParams.type = 'showTip';chart.dispatchAction(tipParams);dataIndex = (dataIndex + 1) % dataLen;if (options.loopSeries && dataIndex === 0 && !first) { // 数据索引归0表示当前系列数据已经循环完seriesIndex = (seriesIndex + 1) % seriesLen;}first = false;}showTip();timeTicket = setInterval(showTip, options.interval);}// 关闭轮播function stopAutoShow() {if (timeTicket) {clearInterval(timeTicket);timeTicket = 0;if (chartType === 'pie' || chartType === 'radar') {// 取消高亮的图形chart.dispatchAction({type: 'downplay',seriesIndex: options.loopSeries ? (seriesIndex === 0 ? seriesLen - 1 : seriesIndex - 1) : seriesIndex,dataIndex: dataIndex === 0 ? dataLen - 1 : dataIndex - 1});}}}var zRender = chart._zr;function zRenderMouseMove(param) {if (param.event) {// 阻止canvas上的鼠标移动事件冒泡param.event.cancelBubble = true;}stopAutoShow();}// 离开echarts图时恢复自动轮播function zRenderGlobalOut() {if (!timeTicket) {autoShowTip();}}// 鼠标在echarts图上时停止轮播chart.on('mousemove', stopAutoShow);zRender.on('mousemove', zRenderMouseMove);zRender.on('globalout', zRenderGlobalOut);autoShowTip();return {clearLoop: function () {if (timeTicket) {clearInterval(timeTicket);timeTicket = 0;}chart.off('mousemove', stopAutoShow);zRender.off('mousemove', zRenderMouseMove);zRender.off('globalout', zRenderGlobalOut);}};};
})(window);

• main.js 引入 echarts-auto.js

import './assets/js/echarts-auto.js'

• demo.vue 中使用

<v-echarts ref="chart"></v-echarts>this.$refs.chart.setOption(options);
tools.loopShowTooltip( this.$refs.chart.myChart, options, { loopSeries: true } );