摘要：
```jsx import './App.css' import * as pdfjsLib from "pdfjs-dist"; import { useEffect, useRef, useState } from 'react' pdfjsLib.GlobalWorkerOptions.wor 阅读全文
摘要：
app.jsx ```jsx import './App.css' import * as pdfjs from "pdfjs-dist"; import "pdfjs-dist/web/pdf_viewer.css"; import { useEffect, useRef, useState } 阅读全文