An easy-to-use PDF rendering library in browser, can be used as a solution to customize the display of PDF in App. Based on mozilla/pdf.js, the js/css is loaded via CDN asynchronously. 一个简便易用的，原生使用方式的（适用于各大框架）网页端 PDF 渲染插件，也可作为小程序/App webview 中自定义展示 pdf 的解