feat: pdf预览

Signed-off-by: tangshizhe <48740614+tangshizhe@users.noreply.github.com>

apps/mobile/src/views/common/pdfViewExample.vue

@@ -1,7 +1,7 @@
 <template>
   <div class="pdf-view-example j-contanter">
     <div class="pdf-container j-main">
-      <iframe v-if="pdfUrl" :src="pdfUrl" />
+      <iframe v-if="pdfUrl" sandbox="allow-same-origin allow-scripts" allow="pdf" :src="pdfUrl" />
     </div>
     <div v-if="!getUserId" class="j-footer">
       <a href="/jyapp/free/login?back=index&to=back&activity=bidCreditReportPreview" class="adsense-container">