feat:研究趋势表格分页

src/utils/setChart.js

@@ -6,6 +6,10 @@ import 'echarts-wordcloud';
 import router from '@/router/index'
 // import { goToDataCountryBill, goToDataDecree, goToDataThinkTank } from './goToPage';
 import goToPage from './goToPage/index';
+
+/** 与 multiLineChart 等 option.graphic 约定一致：自定义图例翻页箭头 */
+const LEGEND_ARROW_NAMES = new Set(['__legend_prev__', '__legend_next__']);
+
 const setChart = (option, chartId, allowClick, selectParam, otherAreaList) => {
   let chartDom = document.getElementById(chartId);
   if (!chartDom) {