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							- <template>
 
-   <!-- #ifdef APP-NVUE -->
 
-   <header>
 
-     <!-- #endif -->
 
-     <view
 
-         class="u-index-anchor u-border-bottom"
 
-         :ref="`u-index-anchor-${text}`"
 
-         :style="{
 
- 			height: $u.addUnit(height),
 
- 			backgroundColor: bgColor
 
- 		}"
 
-     >
 
-       <text
 
-           class="u-index-anchor__text"
 
-           :style="{
 
- 				fontSize: $u.addUnit(size),
 
- 				color: color
 
- 			}"
 
-       >{{ text }}
 
-       </text>
 
-     </view>
 
-     <!-- #ifdef APP-NVUE -->
 
-   </header>
 
-   <!-- #endif -->
 
- </template>
 
- <script>
 
- import props from './props.js';
 
- // #ifdef APP-NVUE
 
- const dom = uni.requireNativePlugin('dom')
 
- // #endif
 
- /**
 
-  * IndexAnchor 列表锚点
 
-  * @description
 
-  * @tutorial https://uviewui.com/components/indexList.html
 
-  * @property {String | Number}  text  列表锚点文本内容
 
-  * @property {String}      color  列表锚点文字颜色 ( 默认 '#606266' )
 
-  * @property {String | Number}  size  列表锚点文字大小,单位默认px ( 默认 14 )
 
-  * @property {String}      bgColor  列表锚点背景颜色 ( 默认 '#dedede' )
 
-  * @property {String | Number}  height  列表锚点高度,单位默认px ( 默认 32 )
 
-  * @example <u-index-anchor :text="indexList[index]"></u-index-anchor>
 
-  */
 
- export default {
 
-   name: 'u-index-anchor',
 
-   mixins: [uni.$u.mpMixin, uni.$u.mixin, props],
 
-   data() {
 
-     return {}
 
-   },
 
-   mounted() {
 
-     this.init()
 
-   },
 
-   methods: {
 
-     init() {
 
-       // 此处会活动父组件实例,并赋值给实例的parent属性
 
-       const indexList = uni.$u.$parent.call(this, 'u-index-list')
 
-       if (!indexList) {
 
-         return uni.$u.error('u-index-anchor必须要搭配u-index-list组件使用')
 
-       }
 
-       // 将当前实例放入到u-index-list中
 
-       indexList.anchors.push(this)
 
-       const indexListItem = uni.$u.$parent.call(this, 'u-index-item')
 
-       // #ifndef APP-NVUE
 
-       // 只有在非nvue下,u-index-anchor才是嵌套在u-index-item中的
 
-       if (!indexListItem) {
 
-         return uni.$u.error('u-index-anchor必须要搭配u-index-item组件使用')
 
-       }
 
-       // 设置u-index-item的id为anchor的text标识符,因为非nvue下滚动列表需要依赖scroll-view滚动到元素的特性
 
-       indexListItem.id = this.text.charCodeAt(0)
 
-       // #endif
 
-     }
 
-   },
 
- }
 
- </script>
 
- <style lang="scss" scoped>
 
- @import "../../libs/css/components.scss";
 
- .u-index-anchor {
 
-   position: sticky;
 
-   top: 0;
 
-   @include flex;
 
-   align-items: center;
 
-   padding-left: 15px;
 
-   z-index: 1;
 
-   &__text {
 
-     @include flex;
 
-     align-items: center;
 
-   }
 
- }
 
- </style>
 
 
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