异步动态引入组件
// vue3 写法 <component :is="componentParam[active] " /> // 引入api import { defineAsyncComponent } from 'vue' const active = ref('b') const componentParam={ card:defineAsyncComponent(() => import('./a.vue')), phone:defineAsyncComponent(() => import('./b.vue')), message:defineAsyncComponent(() => import('./c.vue')) }