feat: 快速预定的样式调整
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@@ -1,15 +1,16 @@
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<template>
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<view class="tab-container relative">
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<view class="tab-wrapper flex flex-items-center flex-justify-center">
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<view class="tab-wrapper flex flex-items-center">
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<view v-for="(item, index) in tabList" :key="index" :class="[
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'tab-item flex flex-full flex-items-center flex-justify-center relative',
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'tab-item flex flex-items-center flex-justify-center relative',
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activeIndex === index && 'tab-item-active',
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]" @click="handleTabClick(index)">
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<view class="absolute flex flex-items-center">
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<view class="tab-item-inner flex flex-items-center">
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<uni-icons class="icon mr-4" fontFamily="znicons" size="20"
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:color="activeIndex === index ? '$theme-color-500' : '#525866'">
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:color="activeIndex === index ? indicatorColor : '#525866'">
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{{ zniconsMap[item.icon] }}
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</uni-icons>
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<text :class="[
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'font-size-16 font-500 color-525866 ',
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activeIndex === index && 'tab-text-active',
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@@ -17,35 +18,18 @@
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{{ item.label }}
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</text>
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</view>
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<!-- 每项内的下划线指示器,通过类控制显示/隐藏 -->
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<view class="tab-item-indicator" :class="{ visible: activeIndex === index }"></view>
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</view>
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</view>
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<!-- 下划线指示器 -->
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<view :class="[
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'tab-indicator absolute',
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indicatorAnimating && 'animating',
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indicatorInitialized && 'initialized',
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]" :style="{
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left: indicatorLeft + 'px',
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width: indicatorWidth + 'px',
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}"></view>
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</view>
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</template>
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<script setup>
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import {
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ref,
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reactive,
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onMounted,
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nextTick,
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watch,
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getCurrentInstance,
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} from "vue";
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import { ref, watch } from "vue";
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import { zniconsMap } from "@/static/fonts/znicons";
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// 获取组件实例
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const instance = getCurrentInstance();
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// Props
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const props = defineProps({
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tabs: {
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@@ -54,7 +38,8 @@ const props = defineProps({
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{ label: "客房", value: "0", icon: "zn-nav-room" },
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{ label: "门票", value: "1", icon: "zn-nav-ticket" },
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{ label: "餐食", value: "2", icon: "zn-nav-meal" },
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// { label: "套餐", value: "3", icon: "zn-package" },
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{ label: "套餐", value: "3", icon: "zn-package" },
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{ label: "文创", value: "4", icon: "zn-package" },
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],
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},
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defaultActive: {
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@@ -63,7 +48,7 @@ const props = defineProps({
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},
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indicatorColor: {
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type: String,
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default: "#007AFF",
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default: '#1890ff',
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},
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});
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@@ -73,25 +58,12 @@ const emit = defineEmits(["change", "update:modelValue"]);
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// 响应式数据
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const activeIndex = ref(props.defaultActive);
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const tabList = ref(props.tabs);
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const indicatorLeft = ref(0);
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const indicatorWidth = ref(0);
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const tabItemRects = reactive([]);
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const isUpdating = ref(false);
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const indicatorAnimating = ref(false);
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const indicatorInitialized = ref(false);
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// 处理Tab点击
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const handleTabClick = (index) => {
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if (activeIndex.value === index) return;
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activeIndex.value = index;
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indicatorAnimating.value = true;
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updateIndicator();
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// 动画结束后移除动画类
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setTimeout(() => {
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indicatorAnimating.value = false;
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}, 300);
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emit("change", {
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index,
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@@ -100,87 +72,11 @@ const handleTabClick = (index) => {
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emit("update:modelValue", index);
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};
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// 更新指示器位置
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const updateIndicator = async () => {
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if (isUpdating.value) return;
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isUpdating.value = true;
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await nextTick();
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// 检查实例是否存在
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if (!instance) {
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console.warn("Component instance not available");
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isUpdating.value = false;
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return;
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}
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// 检查 uni.createSelectorQuery 是否可用
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if (!uni || !uni.createSelectorQuery) {
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console.warn("uni.createSelectorQuery not available");
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isUpdating.value = false;
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return;
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}
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const query = uni.createSelectorQuery().in(instance);
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// 同时获取tab项和容器的位置信息
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query.selectAll(".tab-item").boundingClientRect();
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query.select(".tab-wrapper").boundingClientRect();
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query.exec((res) => {
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try {
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const [tabRects, wrapperRect] = res || [];
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if (tabRects && tabRects.length > 0 && wrapperRect) {
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tabItemRects.splice(0, tabItemRects.length, ...tabRects);
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const activeRect = tabRects[activeIndex.value];
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if (activeRect) {
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// 计算相对于容器的位置,居中显示
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const tabCenter =
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activeRect.left - wrapperRect.left + activeRect.width / 2;
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indicatorLeft.value = tabCenter - 10; // 15px宽度的一半
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// 固定宽度15px,不动态计算宽度
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indicatorWidth.value = 20;
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// 标记为已初始化
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if (!indicatorInitialized.value) {
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indicatorInitialized.value = true;
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}
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}
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} else {
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console.warn("Failed to get tab rects or wrapper rect");
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}
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} catch (error) {
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console.error("Error in updateIndicator exec:", error);
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} finally {
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isUpdating.value = false;
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}
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});
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};
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// 监听activeIndex变化
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watch(
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() => activeIndex.value,
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() => {
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// 如果是初始化阶段,使用initIndicator
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if (indicatorLeft.value === 0 && indicatorWidth.value === 0) {
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initIndicator();
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} else {
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updateIndicator();
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}
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}
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);
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// 监听tabs变化
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watch(
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() => props.tabs,
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(newTabs) => {
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tabList.value = newTabs;
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// 重置初始化状态
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indicatorInitialized.value = false;
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// 重新初始化指示器
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initIndicator();
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},
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{ deep: true }
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);
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@@ -191,71 +87,10 @@ watch(
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(newActive) => {
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if (newActive !== activeIndex.value) {
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activeIndex.value = newActive;
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// 重置初始化状态
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indicatorInitialized.value = false;
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initIndicator();
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}
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}
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);
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// 初始化指示器
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const initIndicator = async (retryCount = 0) => {
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// 等待DOM完全渲染
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await nextTick();
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// 延迟一帧确保布局完成
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setTimeout(() => {
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// 检查实例是否存在
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if (!instance) {
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console.warn("Component instance not available in initIndicator");
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return;
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}
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// 检查 uni.createSelectorQuery 是否可用
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if (!uni || !uni.createSelectorQuery) {
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console.warn("uni.createSelectorQuery not available in initIndicator");
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return;
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}
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const query = uni.createSelectorQuery().in(instance);
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query.selectAll(".tab-item").boundingClientRect();
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query.select(".tab-wrapper").boundingClientRect();
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query.exec((res) => {
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try {
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const [tabRects, wrapperRect] = res || [];
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// 如果DOM元素还未准备好,重试
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if (
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(!tabRects || tabRects.length === 0 || !wrapperRect) &&
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retryCount < 3
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) {
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setTimeout(() => {
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initIndicator(retryCount + 1);
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}, 100);
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return;
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}
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// 执行正常的更新逻辑
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updateIndicator();
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} catch (error) {
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console.error("Error in initIndicator exec:", error);
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// 如果出错且还有重试次数,尝试重试
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if (retryCount < 3) {
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setTimeout(() => {
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initIndicator(retryCount + 1);
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}, 100);
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}
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}
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});
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}, 50);
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};
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// 组件挂载后初始化指示器
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onMounted(() => {
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initIndicator();
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});
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// 暴露方法
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defineExpose({
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setActiveIndex: (index) => {
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@@ -267,7 +102,6 @@ defineExpose({
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getActiveItem: () => tabList.value[activeIndex.value],
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});
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</script>
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<style scoped lang="scss">
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<style lang="scss" scoped>
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@import "./styles/index.scss";
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</style>
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@@ -1,10 +1,24 @@
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.tab-wrapper {
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background-color: $theme-color-100;
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height: 48px;
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overflow-x: auto;
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/* 支持横向滚动 */
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-webkit-overflow-scrolling: touch;
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/* 平滑滚动(移动端) */
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white-space: nowrap;
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/* 防止换行 */
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justify-content: flex-start;
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/* 覆盖工具类,靠左排列以便滚动 */
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}
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.tab-item {
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height: 100%;
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flex: 0 0 auto;
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/* 不让子项拉伸,按内容宽度排列 */
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padding: 0 12px;
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/* 增加横向间距,便于触控 */
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min-width: 56px;
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/* 保证可点击区域 */
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}
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.icon {
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@@ -12,6 +26,13 @@
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width: 20px;
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}
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/* 组件模板中使用了绝对定位的内部元素,为保证父元素宽度基于内容,重置该子元素为静态布局 */
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.tab-item>.absolute {
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position: static !important;
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display: flex;
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align-items: center;
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}
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.tab-item-active {
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&::before {
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content: "";
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@@ -33,40 +54,32 @@
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z-index: 3;
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}
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.tab-indicator {
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/* 已改为每项内部指示器,移除了全局指示器样式 */
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/* 每项内的指示器(替代全局指示器) */
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.tab-item-inner {
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display: inline-flex;
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align-items: center;
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position: relative;
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z-index: 3;
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/* 确保内容(icon/text)位于 .tab-item-active::before 之上 */
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}
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.tab-item-indicator {
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position: absolute;
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bottom: 0;
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left: 50%;
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transform: translateX(-50%) scaleX(0.9);
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height: 3px;
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width: 20px;
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background-color: $theme-color-500;
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border-radius: 4px 4px 0 0;
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transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1),
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width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
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z-index: 3;
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transform: translateZ(0); /* 启用硬件加速 */
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will-change: left, width; /* 优化动画性能 */
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/* 初始状态:未初始化时隐藏 */
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opacity: 0;
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width: 20px; /* 默认宽度15px */
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left: 0;
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transition: opacity 0.2s ease, transform 0.2s ease;
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z-index: 3;
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}
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/* 已初始化状态 */
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.tab-indicator.initialized {
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.tab-item-indicator.visible {
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opacity: 1;
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}
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/* 动画增强 */
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@keyframes tabSwitch {
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0% {
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transform: translateZ(0) scaleX(0.8);
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opacity: 0.6;
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}
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100% {
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transform: translateZ(0) scaleX(1);
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opacity: 1;
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}
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}
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.tab-indicator.animating {
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animation: tabSwitch 0.3s ease-out;
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}
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transform: translateX(-50%) scaleX(1);
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}
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