uview-ui_components_u-index-anchor_u-index-anchor.vue
<template>
<!-- 支付宝小程序使用$u.getRect()获取组件的根元素尺寸，所以在外面套一个"壳" -->
<view>
<view class="u-index-anchor-wrapper" :id="$u.guid()" :style="[wrapperStyle]">
<view class="u-index-anchor " :class="[active ? 'u-index-anchor--active' : '']" :style="[customAnchorStyle]">
<slot v-if="useSlot" />
<block v-else>
<text>{{ index }}</text>
</block>
</view>
</view>
</view>
</template>
<script>
/**
* indexAnchor 索引列表锚点
* @description 通过折叠面板收纳内容区域,搭配<u-index-anchor>使用
* @tutorial https://www.uviewui.com/components/indexList.html#indexanchor-props
* @property {Boolean} use-slot 是否使用自定义内容的插槽（默认false）
* @property {String Number} index 索引字符，如果定义了use-slot，此参数自动失效
* @property {Object} custStyle 自定义样式，对象形式，如"{color: 'red'}"
* @event {Function} default 锚点位置显示内容，默认为索引字符
* @example <u-index-anchor :index="item" />
*/
export default {
name: "u-index-anchor",
props: {
useSlot: {
type: Boolean,
default: false
},
index: {
type: String,
default: ''
},
customStyle: {
type: Object,
default () {
return {}
}
}
},
data() {
return {
active: false,
wrapperStyle: {},
anchorStyle: {}
}
},
created() {
this.parent = false;
},
mounted() {
this.parent = this.$u.$parent.call(this, 'u-index-list');
if(this.parent) {
this.parent.children.push(this);
this.parent.updateData();
}
},
computed: {
customAnchorStyle() {
return Object.assign(this.anchorStyle, this.customStyle);
}
}
}
</script>
<style lang="scss" scoped>
@import "../../libs/css/style.components.scss";
.u-index-anchor {
box-sizing: border-box;
padding: 14rpx 24rpx;
color: #606266;
width: 100%;
font-weight: 500;
font-size: 28rpx;
line-height: 1.2;
background-color: rgb(245, 245, 245);
}
.u-index-anchor--active {
right: 0;
left: 0;
color: #2979ff;
background-color: #fff;
}
</style>