d3.js v7版本框选的实现（结合cosmograph的api实现框选区域的节点高亮）

xjy1357: vue.config.js配置后出现错误 @ ./src/router/router.js 108:13-62 @ ./src/router/index.js 7:0-30 23:10-16 @ ./src/main.js 3:0-30 36:8-14 57:10-16 ERROR in ./src/views/homePage/HomePage.vue?vue&type=style&index=0&id=c6fb6236&lang=less&scoped=true& (./node_modules/css-loader/dist/cjs.js??clonedRuleSet-32.use[1]!./node_modules/@vue/vue-loader-v15/lib/loaders/stylePostLoader.js!./node_modules/postcss-loader/dist/cjs.js??clonedRuleSet-32.use[2]!./node_modules/less-loader/dist/cjs.js??clonedRuleSet-32.use[3]!./node_modules/@vue/vue-loader-v15/lib/index.js??vue-loader-options!./src/views/homePage/HomePage.vue?vue&type=style&index=0&id=c6fb6236&lang=less&scoped=true&) Module build failed (from ./node_modules/postcss-loader/dist/cjs.js): ValidationError: Invalid options object. PostCSS Loader has been initialized using an options object that does not match the API schema. - options has an unknown property 'plugins'. These properties are valid: object { postcssOptions?, execute?, sourceMap?, implem

cloveryuan: 大佬，请问this.last是什么

悦悦猪: https://blog.csdn.net/zhangxiaodui/article/details/130133256?csdn_share_tail=%7B%22type%22:%22blog%22,%22rType%22:%22article%22,%22rId%22:%22130133256%22,%22source%22:%22zhangxiaodui%22%7D

悦悦猪: ppt预览我用的file-viewer。

鹤玺儿: 你好，ppt预览用的vue-ppt插件吗？