web/src/plugins/vant.js

import Vue from 'vue';
import {
  RadioGroup,
  Radio,
  Form,
  Button,
  Grid,
  GridItem,
  Sidebar,
  SidebarItem,
  NavBar,
  Card,
  SubmitBar,
  Cell,
  CellGroup,
  Field,
  Tab,
  Tabs,
  Image as VanImage,
} from 'vant';

Vue.use(RadioGroup);
Vue.use(Radio);
Vue.use(Button);
Vue.use(Grid);
Vue.use(GridItem);
Vue.use(Sidebar);
Vue.use(SidebarItem);
Vue.use(NavBar);
Vue.use(Card);
Vue.use(SubmitBar);
Vue.use(Cell);
Vue.use(CellGroup);
Vue.use(Form);
Vue.use(Field);
Vue.use(Tab);
Vue.use(Tabs);
Vue.use(VanImage);