1. 首先安装 HTML Snippets插件
2. 在文件-首选项-设置(英文版File-Preferences-Settings)中,搜索files.associations,然后点击再setting.json中编辑。将下面的代码复制进去保存即可
"files.associations": {
"*.ejs":"html",
"*.js":"html",
"*.vue":"html"
},
"emmet.triggerExpansionOnTab": true,
"emmet.includeLanguages":{
"vue-html":"html",
"vue":"html"
}