<navbar back home text="分享" background="#fff"></navbar>
<view style="height:{{navigationBarHeight}} "></view>
<view class='content'>
  <view class='poster'>
    <canvas canvas-id='myCanvas' class='canvas-content' style="width:{{windowWidth-20}}px;height:{{windowHeight}}px;box-shadow: 1px 1px 5px 5px rgba(0, 0, 0, 0.05); position:absolute;z-index:1;">
    </canvas>
  </view>
  <cover-view class="bottomsave" style="position:fixed;z-index:11;">
    <button bindtap="saveImage" disabled="{{isdisable}}" class='saveposter'>保存图片分享给朋友</button>
  </cover-view>
</view>