<view class="poster_main data-v-b54158fc"><view class="poster_canvas data-v-b54158fc"><canvas class="data-v-b54158fc" canvas-id="firstCanvas" id="firstCanvas" style="width:345px;height:504px"></canvas></view><view class="poster_func data-v-b54158fc"><view class="poster_func_download data-v-b54158fc" bindtap="{{a}}">下载海报</view></view></view>