首頁 > 開發者 > JavaScript
https://github.com/mozilla/pdf.js 可在該網站下載到pdf.js
pdf.js 升級至 1.0 版本，並且將成為未來 Firefox 內嵌的 PDF 閱讀器。
和 Google Chrome 使用的源自 Foxit 的閉源 PDF 瀏覽外掛程式不同，PDF.js 是基於開放的 HTML5 及 JavaScript 技術實現的開源產品。
<html><body> <div> <button id="prev" onclick="goPrevious()">Previous</button> <button id="next" onclick="goNext()">Next</button> <span>Page: <span id="page_num"></span> / <span id="page_count"></span></span> </div> <div> <canvas id="the-canvas" style="border:1px solid black"></canvas> </div> <!-- Use latest PDF.js build from Github --> <script type="text/javascript" src="https://raw.github.com/mozilla/pdf.js/gh-pages/build/pdf.js"></script> <script type="text/javascript"> // // NOTE: // Modifying the URL below to another server will likely *NOT* work. Because of browser // security restrictions, we have to use a file server with special headers // (CORS) - most servers don't support cross-origin browser requests. // var url = 'http://cdn.mozilla.net/pdfjs/tracemonkey.pdf'; // // Disable workers to avoid yet another cross-origin issue (workers need the URL of // the script to be loaded, and currently do not allow cross-origin scripts) // PDFJS.disableWorker = true; var pdfDoc = null, pageNum = 1, scale = 0.8, canvas = document.getElementById('the-canvas'), ctx = canvas.getContext('2d'); // // Get page info from document, resize canvas accordingly, and render page // function renderPage(num) { // Using promise to fetch the page pdfDoc.getPage(num).then(function(page) { var viewport = page.getViewport(scale); canvas.height = viewport.height; canvas.width = viewport.width; // Render PDF page into canvas context var renderContext = { canvasContext: ctx, viewport: viewport }; page.render(renderContext); }); // Update page counters document.getElementById('page_num').textContent = pageNum; document.getElementById('page_count').textContent = pdfDoc.numPages; } // // Go to previous page // function goPrevious() { if (pageNum <= 1) return; pageNum--; renderPage(pageNum); } // // Go to next page // function goNext() { if (pageNum >= pdfDoc.numPages) return; pageNum++; renderPage(pageNum); } // // Asynchronously download PDF as an ArrayBuffer // PDFJS.getDocument(url).then(function getPdfHelloWorld(_pdfDoc) { pdfDoc = _pdfDoc; renderPage(pageNum); }); </script> </body></html>
所有需要匯入的js檔案如下：
<head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1"> <title>PDF.js viewer</title><!--#if FIREFOX || MOZCENTRAL--><!--#include viewer-snippet-firefox-extension.html--><!--#endif--> <link rel="stylesheet" href="viewer.css"/><!--#if !PRODUCTION--> <link rel="resource" type="application/l10n" href="locale.properties"/><!--#endif--><!--#if !(FIREFOX || MOZCENTRAL)--> <script type="text/javascript" src="compatibility.js"></script><!--#endif--><!--#if !PRODUCTION--> <script type="text/javascript" src="../external/webL10n/l10n.js"></script><!--#endif--><!--#if !PRODUCTION--> <script type="text/javascript" src="../src/core.js"></script> <script type="text/javascript" src="../src/util.js"></script> <script type="text/javascript" src="../src/api.js"></script> <script type="text/javascript" src="../src/metadata.js"></script> <script type="text/javascript" src="../src/canvas.js"></script> <script type="text/javascript" src="../src/obj.js"></script> <script type="text/javascript" src="../src/function.js"></script> <script type="text/javascript" src="../src/charsets.js"></script> <script type="text/javascript" src="../src/cidmaps.js"></script> <script type="text/javascript" src="../src/colorspace.js"></script> <script type="text/javascript" src="../src/crypto.js"></script> <script type="text/javascript" src="../src/evaluator.js"></script> <script type="text/javascript" src="../src/fonts.js"></script> <script type="text/javascript" src="../src/glyphlist.js"></script> <script type="text/javascript" src="../src/image.js"></script> <script type="text/javascript" src="../src/metrics.js"></script> <script type="text/javascript" src="../src/parser.js"></script> <script type="text/javascript" src="../src/pattern.js"></script> <script type="text/javascript" src="../src/stream.js"></script> <script type="text/javascript" src="../src/worker.js"></script> <script type="text/javascript" src="../external/jpgjs/jpg.js"></script> <script type="text/javascript" src="../src/jpx.js"></script> <script type="text/javascript" src="../src/jbig2.js"></script> <script type="text/javascript" src="../src/bidi.js"></script> <script type="text/javascript">PDFJS.workerSrc = '../src/worker_loader.js';</script><!--#endif--><!--#if GENERIC || CHROME--><!--#include viewer-snippet.html--><!--#endif--><!--#if B2G--><!--#include viewer-snippet-b2g.html--><!--#endif--> <script type="text/javascript" src="debugger.js"></script> <script type="text/javascript" src="viewer.js"></script> </head>
<!DOCTYPE html><html dir="ltr"> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1"> <title>PDF.js viewer</title> <link rel="stylesheet" href="viewer.css"/> <script type="text/javascript" src="compatibility.js"></script><!-- This snippet is used in production, see Makefile --><link rel="resource" type="application/l10n" href="locale.properties"/><script type="text/javascript" src="l10n.js"></script><script type="text/javascript" src="../build/pdf.js"></script><script type="text/javascript"> // This specifies the location of the pdf.js file. PDFJS.workerSrc = "../build/pdf.js";</script> <script type="text/javascript" src="debugger.js"></script> <script type="text/javascript" src="viewer.js"></script> </head> <body> <div id="outerContainer"> <div id="sidebarContainer"> <div id="toolbarSidebar" class="splitToolbarButton toggled"> <button id="viewThumbnail" class="toolbarButton group toggled" title="Show Thumbnails" onclick="PDFView.switchSidebarView('thumbs')" tabindex="1" data-l10n-id="thumbs"> <span data-l10n-id="thumbs_label">Thumbnails</span> </button> <button id="viewOutline" class="toolbarButton group" title="Show Document Outline" onclick="PDFView.switchSidebarView('outline')" tabindex="2" data-l10n-id="outline"> <span data-l10n-id="outline_label">Document Outline</span> </button> <button id="viewSearch" class="toolbarButton group hidden" title="Search Document" onclick="PDFView.switchSidebarView('search')" tabindex="3" data-l10n-id="search_panel"> <span data-l10n-id="search_panel_label">Search Document</span> </button> </div> <div id="sidebarContent"> <div id="thumbnailView"> </div> <div id="outlineView" class="hidden"> </div> <div id="searchView" class="hidden"> <div id="searchToolbar"> <input id="searchTermsInput" class="toolbarField" onkeydown='if (event.keyCode == 13) PDFView.search()'> <button id="searchButton" class="textButton toolbarButton" onclick='PDFView.search()' data-l10n-id="search">Find</button> </div> <div id="searchResults"></div> </div> </div> </div> <!-- sidebarContainer --> <div id="mainContainer"> <div class="toolbar"> <div id="toolbarContainer"> <div id="toolbarViewer"> <div id="toolbarViewerLeft"> <button id="sidebarToggle" class="toolbarButton" title="Toggle Sidebar" tabindex="4" data-l10n-id="toggle_slider"> <span data-l10n-id="toggle_slider_label">Toggle Sidebar</span> </button> <div class="toolbarButtonSpacer"></div> <div class="splitToolbarButton"> <button class="toolbarButton pageUp" title="Previous Page" onclick="PDFView.page--" id="previous" tabindex="5" data-l10n-id="previous"> <span data-l10n-id="previous_label">Previous</span> </button> <div class="splitToolbarButtonSeparator"></div> <button class="toolbarButton pageDown" title="Next Page" onclick="PDFView.page++" id="next" tabindex="6" data-l10n-id="next"> <span data-l10n-id="next_label">Next</span> </button> </div> <label id="pageNumberLabel" class="toolbarLabel" for="pageNumber" data-l10n-id="page_label">Page: </label> <input type="number" id="pageNumber" class="toolbarField pageNumber" onchange="PDFView.page = this.value;" value="1" size="4" min="1" tabindex="7"> </input> <span id="numPages" class="toolbarLabel"></span> </div> <div id="toolbarViewerRight"> <input id="fileInput" class="fileInput" type="file" oncontextmenu="return false;" style="visibility: hidden; position: fixed; right: 0; top: 0" /> <button id="fullscreen" class="toolbarButton fullscreen" title="Fullscreen" tabindex="11" data-l10n-id="fullscreen" onclick="PDFView.fullscreen();"> <span data-l10n-id="fullscreen_label">Fullscreen</span> </button> <button id="openFile" class="toolbarButton openFile" title="Open File" tabindex="12" data-l10n-id="open_file" onclick="document.getElementById('fileInput').click()"> <span data-l10n-id="open_file_label">Open</span> </button> <button id="print" class="toolbarButton print" title="Print" tabindex="13" data-l10n-id="print" onclick="window.print()"> <span data-l10n-id="print_label">Print</span> </button> <button id="download" class="toolbarButton download" title="Download" onclick="PDFView.download();" tabindex="14" data-l10n-id="download"> <span data-l10n-id="download_label">Download</span> </button> <!-- <div class="toolbarButtonSpacer"></div> --> <a href="#" id="viewBookmark" class="toolbarButton bookmark" title="Current view (copy or open in new window)" tabindex="15" data-l10n-id="bookmark"><span data-l10n-id="bookmark_label">Current View</span></a> </div> <div class="outerCenter"> <div class="innerCenter" id="toolbarViewerMiddle"> <div class="splitToolbarButton"> <button class="toolbarButton zoomOut" title="Zoom Out" onclick="PDFView.zoomOut();" tabindex="8" data-l10n-id="zoom_out"> <span data-l10n-id="zoom_out_label">Zoom Out</span> </button> <div class="splitToolbarButtonSeparator"></div> <button class="toolbarButton zoomIn" title="Zoom In" onclick="PDFView.zoomIn();" tabindex="9" data-l10n-id="zoom_in"> <span data-l10n-id="zoom_in_label">Zoom In</span> </button> </div> <span id="scaleSelectContainer" class="dropdownToolbarButton"> <select id="scaleSelect" onchange="PDFView.parseScale(this.value);" title="Zoom" oncontextmenu="return false;" tabindex="10" data-l10n-id="zoom"> <option id="pageAutoOption" value="auto" selected="selected" data-l10n-id="page_scale_auto">Automatic Zoom</option> <option id="pageActualOption" value="page-actual" data-l10n-id="page_scale_actual">Actual Size</option> <option id="pageFitOption" value="page-fit" data-l10n-id="page_scale_fit">Fit Page</option> <option id="pageWidthOption" value="page-width" data-l10n-id="page_scale_width">Full Width</option> <option id="customScaleOption" value="custom"></option> <option value="0.5">50%</option> <option value="0.75">75%</option> <option value="1">100%</option> <option value="1.25">125%</option> <option value="1.5">150%</option> <option value="2">200%</option> </select> </span> </div> </div> </div> </div> </div> <div id="viewerContainer"> <div id="viewer"></div> </div> <div id="loadingBox"> <div id="loading"></div> <div id="loadingBar"><div class="progress"></div></div> </div> <div id="errorWrapper" hidden='true'> <div id="errorMessageLeft"> <span id="errorMessage"></span> <button id="errorShowMore" onclick="" oncontextmenu="return false;" data-l10n-id="error_more_info"> More Information </button> <button id="errorShowLess" onclick="" oncontextmenu="return false;" data-l10n-id="error_less_info" hidden='true'> Less Information </button> </div> <div id="errorMessageRight"> <button id="errorClose" oncontextmenu="return false;" data-l10n-id="error_close"> Close </button> </div> <div class="clearBoth"></div> <textarea id="errorMoreInfo" hidden='true' readonly="readonly"></textarea> </div> </div> <!-- mainContainer --> </div> <!-- outerContainer --> <div id="printContainer"></div> </body></html>
Start building with 50+ products and up to 12 months usage for Elastic Compute Service
1 on 1 presale consultation
24/7 Technical Support 6 Free Tickets per Quarter Faster Response
Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.
A comprehensive suite of global cloud computing services to power your business
Payment Methods We Support
