@click-nav = 'navClick'显示Property "navClick"未定义

Question

    <div class="food-list" v-if="index === 0">
        <van-tree-select v-model:main-active-index="activeIndex" height="88vw" :items="items" 
            @click-nav = 'navClick'>
            <template #content>
                <div v-for="(item, index) in subItem" class="item-bg">
                    <FoodListItem :item="item" />
                </div>
            </template>
        </van-tree-select>
    </div>

为什么这段代码里navClick点击的方法会显示Property "navClick" was accessed during render but is not defined on instance.我在setup定义了这个方法

Answer 1

setup中写，要return出去

setup() {
  const navClick = i => {
      // ...
  }

  return {
    navClick
  }
}