1.在扩展应用中安装ES7 React/Redux/GraphQL/React-Native snippet
2.选择文件-->首选项-->设置（快捷键Ctr+,)在搜索框中输入language，选择Emmet，并在Emmet：include language下点击setting.json中编辑，添加
{
"window.zoomLevel": 1,
"explorer.confirmDelete": true,
"emmet.includeLanguages":{
"javascript":"javascriptreact"
},
"typescript.disableAutomaticTypeAcquisition": true
}
4.rcc+tab键(官网地址https://marketplace.visualstudio.com/items?itemName=dsznajder.es7-react-js-snippets)
4.
3.文件-->首选项-->联机服务设置，然后搜索TypeScript: Disable Automatic Type Acquisition，将此项勾选上，这样就会有提示了