Mina/pages/auth/auth.wxml

<view wx:if="{{isShow}}">
<view wx:if="{{canIUse}}">
    <view class='header'>
        <image src='{{imgServerUrl}}/images/login/wx_login.jpg'></image>
    </view>
 
    <view class='content'>
        <view>申请获取以下权限</view>
        <text>获得你的微信绑定手机号</text>
    </view>
 
    <button class='bottom' type='primary' open-type="getPhoneNumber" bindgetphonenumber="getPhoneNumber">
        获取手机号
    </button>
</view>
 
<view wx:else>请升级微信版本</view>
</view>