<view class="container_bill">
  <view class="bill_top">
    <p class="top_style">房号：{{roomName}}</p>
    <p class="top_style">表号：{{deviceCode}}</p>
  </view>
  <view class="bill_top">
    <p class="top_style">余额：{{balance}}</p>
  </view>
  <view class="input_box">
    <input class="input_style" bindinput='getInputName' type="digit" placeholder="请输入充值金额"/>
  </view>
  <view class="money_num">
    <view class="num_inner {{ tab == 1? 'blue_style':'' }}" data-info="{{1}}" bindtap="changeTab">100</view>
    <view class="num_inner {{ tab == 2? 'blue_style':'' }}" data-info="{{2}}" bindtap="changeTab">200</view>
    <view class="num_inner {{ tab == 3? 'blue_style':'' }}" data-info="{{3}}" bindtap="changeTab">500</view>
  </view>
  <view class="btn_box" bindtap="toRecharge">充值</view>
  
</view>