完成小程序前端部分

pages/personCenter/component/InvitationCodePop/InvitationCodePop.wxml

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+<!-- promoPop/promoPop.wxml -->
+<view>
+  <!-- 遮罩层，点击即可关闭弹窗 -->
+  <view class="promo-mask" wx:if="{{show}}" bindtap="close"></view>
+  
+  <!-- 弹窗内容 -->
+  <view class="flex-col page" wx:if="{{show}}">
+    <view class="flex-col self-stretch section">
+      <text class="self-center text">作业码</text>
+      <text class="self-center font text_2 mt-23">引导用户通过扫描此码来完成相应的任务</text>
+      <view class="flex-col self-stretch group mt-23">
+        <image
+          class="self-center image"
+          src="{{qrcode}}"
+          bindtap="previewQrcode"
+        />
+        <view class="mt-20 flex-col items-start self-stretch">
+          <text class="font text_3">点击二维码放大，长按保存</text>
+          <view class="flex-col justify-start items-center text-wrapper mt-19" bindtap="copyLink">
+            <text class="font text_4">复制推广链接</text>
+          </view>
+        </view>
+      </view>
+    </view>
+    <!-- 右下角关闭按钮 -->
+    <image
+      class="self-center image_2 mt-21"
+      src="{{closeIcon}}"
+      bindtap="close"
+    />
+  </view>
+</view>