<view style="{{'height:'+(contentHeight+'px')+';'+('width:'+(contentWidth+'px')+';')}}" class="_div data-v-444677d0"><block wx:if="{{canvasId}}"><canvas style="{{'height:'+(contentHeight+'px')+';'+('width:'+(contentWidth+'px')+';')}}" id="{{canvasId}}" canvasId="{{canvasId}}" width="{{contentWidth}}" height="{{contentHeight}}" data-event-opts="{{[['tap',[['drawTap',['$event']]]]]}}" bindtap="__e" class="data-v-444677d0"></canvas></block></view>