xzy/pages/set/phone.wxml

<view class="container">
    <view class="row b-b">
        <text class="tit">手机号</text>
        <input bindinput="__e" class="input" data-event-opts="{{[ [ 'input',[ [ '__set_model',[ '','account','$event',[] ] ] ] ] ]}}" placeholder="请填写手机号" placeholderClass="placeholder" type="text" value="{{account}}"></input>
    </view>
    <view hidden="{{!show}}">
        <view class="row b-b">
            <text class="tit">验证码</text>
            <input bindinput="__e" class="input" data-event-opts="{{[ [ 'input',[ [ '__set_model',[ '','captcha','$event',[] ] ] ] ] ]}}" placeholder="请填写验证码" placeholderClass="placeholder" type="text" value="{{captcha}}"></input>
            <view bindtap="__e" class="code" data-event-opts="{{[ [ 'tap',[ [ 'verification',['$event'] ] ] ] ]}}">{{countDown==0?'验证码':countDown}}</view>
        </view>
        <button bindtap="__e" class="{{['add-btn',loding?'bg-gray':'']}}" data-event-opts="{{[ [ 'tap',[ [ 'e0',['$event'] ] ] ] ]}}">提交</button>
    </view>
</view>