ElementPlus命名空间【namespace】的使用

1.新建element_index.scss
@forward 'element-plus/theme-chalk/src/mixins/config.scss' with ( $namespace: 'vue3' );
2.main.js中引入element_index.scss
import 'element_index.scss';
app.use(ElementPlus, { namespace:'vue3', locale: zhCn })