crm/resources/zqxgxcx/miniprogram/wx-qr/index.wxml

<view class="qr-container" style="height: {{canvasSize}};width: {{canvasSize}};">
  <image wx:if="{{!canvasMode}}" src="{{imgSrc}}" class="full-w-h" show-menu-by-longpress="{{showMenuByLongpress}}" mode="aspectFill" />
  <!-- 主绘制区 -->
  <canvas id="qr-main-container" class="qr-canvas {{!canvasMode&&'hide-canvas'}}" style="height: {{canvasSize}};width: {{canvasSize}};" type="2d"></canvas>
</view>