soc_app/src/plugins/vant.js

// 按需全局引入 vant组件
import Vue from 'vue'
import { Button,Form,Field, List, Cell, Tabbar, TabbarItem ,Checkbox , CheckboxGroup , Radio, RadioGroup,Dialog, CellGroup,Card,Grid ,GridItem ,Sticky} from 'vant'

Vue.use(Button)
Vue.use(Form)
Vue.use(Field)
Vue.use(Cell)
Vue.use(List)
Vue.use(Tabbar).use(TabbarItem)
Vue.use(Checkbox);
Vue.use(CheckboxGroup);
Vue.use(Radio);
Vue.use(RadioGroup);
Vue.use(Dialog);
Vue.use(CellGroup);
Vue.use(Card);
Vue.use(Grid);
Vue.use(GridItem);
Vue.use(Sticky);