微信小程序底部弹出框+选择选项之后赋值

<!--pages/storage/storage.wxml-->
<view class="container">
<view class="exam-item">
<view class="item-text">选择库区</view>
<view class="item-content" bindtap="onselectTap" bindtap="showModal">{
{
areaCode}}</view>
<view class="item-text">产品编号</view>
<input class="input" type="text" placeholder="请输入产品编号" model:value="{
{ prodCode }}"/>
<view class="item-text">供应商名称</view>
<input class="input" type="text" placeholder="请输入供应商名称" model:value="{
{ supplier }}" />
<view class="button">
<button id="btn" bindtap="StorageDetailsTap">查询</button>
</view>
<!--dialog隐藏区域 -->
<view class="modals modals-bottom-dialog" hidden="{
{hideModal}}">
<view class="modals-cancel" bindtap="hideModal"></view>
<view class="bottom-dialog-body bottom-pos" animation="{
{animationData}}">
<view class="dialog-title">选择库区</view>
<view class="dialog-box">
<view bindtap="change" wx:for="{
{areaList}}" wx:key="index"
class="dialog-item {
{index==indexstatus?'bg-blue':''}}"
data-dialogid="{
{index}}" bindtap="getValueTap">{
{
item}