index.vue
1.28 KB
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<template>
<scroll-view
scroll-x="true"
class="tabScroll"
:scroll-into-view="scrollinto"
:scroll-with-animation="true"
>
<view
v-for="(item, index) in tabBars"
:key="index"
:id="'tab' + index"
class="scroll-row-item"
@click="changeTab(index)"
>
<view :class="tabIndex == index ? 'scroll-row-item-act' : ''">
<text class="line"></text>
{{ item.label }}
</view>
</view>
</scroll-view>
</template>
<script setup>
import {ref} from "vue";
import {useStore} from "vuex";
// 获取父组件数据
const props = defineProps({
tabBars: {
type: Array,
default: () => [],
},
});
// ------定义变量------
const store = useStore();
const users = store.state.user;
const emit = defineEmits(""); //子组件向父组件事件传递
const scrollinto = ref("tab0"); //tab切换
let tabIndex = ref(users.tabIndex ? users.tabIndex : 0); //当前tab
// ------定义方法------
// tab选项卡切换轮播
const changeTab = (index) => {
// 点击的还是当前数据的时候直接return
if (tabIndex.value == index) {
return;
}
tabIndex.value = index;
emit("getTabIndex", index);
// 滑动
scrollinto.value = "tab" + index;
};
//把数据、方法暴漏给父组件
defineExpose({
changeTab,
});
</script>