food_wechat/unpackage/dist/dev/mp-weixin/pages/main/getTel.wxml

<view class="container" style="padding-top:250rpx;"><view>{{tel}}</view><button open-type="getPhoneNumber" data-event-opts="{{[['getphonenumber',[['getPhoneNumber',['$event']]]]]}}" bindgetphonenumber="__e">手机获取</button></view>