添加插件

package.json

@@ -99,6 +99,7 @@
     "mini-types": "*",
     "miniprogram-api-typings": "*",
     "postcss-comment": "^2.0.0",
+    "postcss-windicss": "file:src/vendor/postcss-windicss",
     "sass": "^1.43.4",
     "vue-template-compiler": "^2.6.11"
   },

postcss.config.js

@@ -3,7 +3,7 @@ const webpack = require('webpack')
 const config = {
   parser: require('postcss-comment'),
   plugins: [
-    // require('postcss-windicss')({}),
+    require('postcss-windicss')({}),
     require('postcss-import')({
       resolve (id, basedir, importOptions) {
         if (id.startsWith('~@/')) {

src/App.vue

@@ -13,7 +13,7 @@
 </script>
 
 <style>
-/* @windicss; */
+@windicss;
 </style>
 <style lang="scss">
 	@import "uview-ui/index.scss";