index.wxml
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<wxs src="../wxs/utils.wxs" module="utils" />
<wxs src="./index.wxs" module="wxs" />
<view
class="van-tree-select"
style="height: {{ utils.addUnit(height) }}"
>
<scroll-view scroll-y class="van-tree-select__nav">
<van-sidebar active-key="{{ mainActiveIndex }}" bind:change="onClickNav" custom-class="van-tree-select__nav__inner">
<van-sidebar-item
wx:for="{{ items }}"
wx:key="index"
custom-class="main-item-class"
active-class="main-active-class"
disabled-class="main-disabled-class"
title="{{ item.text }}"
disabled="{{ item.disabled }}"
/>
</van-sidebar>
</scroll-view>
<scroll-view scroll-y class="van-tree-select__content">
<slot name="content" />
<view
wx:for="{{ subItems }}"
wx:key="id"
class="van-ellipsis content-item-class {{ utils.bem('tree-select__item', { active: wxs.isActive(activeId, item.id), disabled: item.disabled }) }} {{ wxs.isActive(activeId, item.id) ? 'content-active-class' : '' }} {{ item.disabled ? 'content-disabled-class' : '' }}"
data-item="{{ item }}"
bind:tap="onSelectItem"
>
{{ item.text }}
<van-icon
wx:if="{{ wxs.isActive(activeId, item.id) }}"
name="checked"
size="16px"
class="van-tree-select__selected"
/>
</view>
</scroll-view>
</view>