mirror of
https://gitee.com/huangge1199_admin/vue-pro.git
synced 2024-11-27 09:41:58 +08:00
92 lines
2.4 KiB
Vue
92 lines
2.4 KiB
Vue
<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>
|