更新：登录功能

uni_modules/wot-design-uni/components/wd-index-anchor/wd-index-anchor.vue

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+<template>
+  <!-- #ifdef MP-DINGTALK -->
+  <view :class="`wd-index-anchor-ding ${isSticky ? 'is-sticky' : ''}`">
+    <!-- #endif -->
+    <view :class="`wd-index-anchor ${isSticky ? 'is-sticky' : ''} ${customClass}`" :style="customStyle" :id="indexAnchorId">
+      <slot>
+        {{ index }}
+      </slot>
+    </view>
+    <!-- #ifdef MP-DINGTALK -->
+  </view>
+  <!-- #endif -->
+</template>
+
+<script setup lang="ts">
+import { indexAnchorProps } from './type'
+import { onMounted, getCurrentInstance, ref, computed } from 'vue'
+import { indexBarInjectionKey } from '../wd-index-bar/type'
+import { getRect, isDef, uuid } from '../common/util'
+import { useParent } from '../composables/useParent'
+
+const props = defineProps(indexAnchorProps)
+
+const { parent: indexBar } = useParent(indexBarInjectionKey)
+
+const indexAnchorId = ref<string>(`indexBar${uuid()}`)
+
+const { proxy } = getCurrentInstance()!
+
+const top = ref<number>(0)
+
+const isSticky = computed(() => {
+  return indexBar && indexBar.props.sticky && indexBar.anchorState.activeIndex === props.index
+})
+
+function getInfo() {
+  getRect(`#${indexAnchorId.value}`, false, proxy).then((res) => {
+    if (isDef(indexBar)) {
+      top.value = Math.floor(res.top!)
+    }
+  })
+}
+
+onMounted(() => {
+  getInfo()
+})
+
+defineExpose({
+  top
+})
+</script>
+
+<style lang="scss" scoped>
+@import './index.scss';
+</style>