尝试安装pdf.js

src/App.vue

@@ -48,6 +48,7 @@
 
 <script lang="ts">
 import { defineComponent } from 'vue';
+import * as pdfjsLib from 'pdfjs-dist';
 
 export default defineComponent({
   name: 'App',
@@ -62,5 +63,9 @@ export default defineComponent({
       ],
     };
   },
+  mounted() {
+    pdfjsLib.GlobalWorkerOptions.workerSrc = '//mozilla.github.io/pdf.js/build/pdf.worker.js';
+    pdfjsLib.getDocument('https://raw.githubusercontent.com/mozilla/pdf.js/ba2edeae/examples/learning/helloworld.pdf');
+  },
 });
 </script>