您需要先安装一个扩展,例如 篡改猴、Greasemonkey 或 暴力猴,之后才能安装此脚本。
您需要先安装一个扩展,例如 篡改猴 或 暴力猴,之后才能安装此脚本。
您需要先安装一个扩展,例如 篡改猴 或 暴力猴,之后才能安装此脚本。
您需要先安装一个扩展,例如 篡改猴 或 Userscripts ,之后才能安装此脚本。
您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey,才能安装此脚本。
您需要先安装用户脚本管理器扩展后才能安装此脚本。
本程序仅因北师大在线pdf文档无法在线标记而制作,严格禁止下载文件外传,请务必配合
// ==UserScript== // @name 北师硕博论文下载| 北师大毕业论文下载 // @icon https://greasyfork.org/rails/active_storage/blobs/redirect/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBMlh6QVE9PSIsImV4cCI6bnVsbCwicHVyIjoiYmxvYl9pZCJ9fQ==--5acce17eb597998f3d1072d536fcdba41a0e8fde/%E5%9B%BE%E7%89%872.png // @version 1.1.6 // @namespace https://bnu.edu.cn // @description 本程序仅因北师大在线pdf文档无法在线标记而制作,严格禁止下载文件外传,请务必配合 // @author None 佚名 // @antifeature 需要登录图书馆论文版权系统才能导出PDF // @require https://cdn.bootcss.com/jquery/3.5.1/jquery.min.js // @require https://cdnjs.cloudflare.com/ajax/libs/jspdf/1.3.2/jspdf.debug.js // @require https://cdn.staticfile.org/html2canvas/1.4.1/html2canvas.min.js // @match *://etdlib.bnu.edu.cn/read/* // @license Apache-2.0 // ==/UserScript== (function () { console.log('Thesis helper loaded'); 'use strict'; $(function () { console.log('Thesis helper loaded'); function addbutton() { // 页面增加下载按钮 var topElement = document.querySelector('.pdf-top-con'); // 添加toolif var newGroup = document.createElement('div'); newGroup.setAttribute('class', 'toolbar-lf'); // 添加分隔符 var fgElement = document.createElement('div'); fgElement.setAttribute('class', 'toolbar-separator'); // 添加下载button var newAnchorElement = document.createElement('a'); newAnchorElement.setAttribute('class', 'downloadbutton'); newAnchorElement.setAttribute('onclick', 'download();'); var newParagraphElement = document.createElement('p'); newParagraphElement.innerHTML = '📩 下载PDF'; newAnchorElement.appendChild(newParagraphElement); topElement.appendChild(newGroup); newGroup.appendChild(fgElement); newGroup.appendChild(newAnchorElement); topElement.appendChild(newGroup); } // 显示提示的功能 function showtoast(msg, duration = 3000) { var m = document.createElement('div'); m.innerHTML = msg; m.setAttribute('id', 'msg'); m.style.cssText = "max-width:60%;min-width: 150px;padding:0 14px;min-height: 40px;color: rgb(255, 255, 255);line-height: 40px;text-align: center;border-radius: 4px;position: fixed;top: 50%;left: 50%;transform: translate(-50%, -50%);z-index: 9999999999;background: rgba(0, 0, 0,.7);font-size: 16px;"; document.body.appendChild(m); setTimeout(() => { var d = 0.5; m.style.webkitTransition = '-webkit-transform ' + d + 's ease-in, opacity ' + d + 's ease-in'; m.style.opacity = '0'; setTimeout(() => { document.body.removeChild(document.querySelector("#msg")) }, d * 1000); }, duration); } const Controllerdocs = { // PDF 合并功能进度展示代码 addStyle: function (data, id = null) { var addStyle = document.createElement('style'); addStyle.textContent = data; addStyle.type = 'text/css'; addStyle.id = id; var doc = document.head || document.documentElement; doc.appendChild(addStyle); } } // 下载PDF按钮的UI设计 var css = ` .downloadbutton {color: black;transition: color 0.3s ease;} .downloadbutton:hover {color: orange;rgb(255,122,0)}`; const addButtonStyle = Controllerdocs.addStyle(css); // 合并pdf过程中的UI async function addProgressBar() { return new Promise((resolve) => { var DownloadElement = document.querySelector('.toolbar-lf:last-child'); var newDiv = document.createElement('div'); newDiv.setAttribute('class', 'progress_show'); var newProgress = document.createElement('progress'); newProgress.setAttribute('max', '100'); newProgress.setAttribute('value', '0'); newProgress.setAttribute('id', 'pg'); newDiv.appendChild(newProgress); DownloadElement.appendChild(newDiv); var css_progress = `#pg {width:78px;height:16px}` Controllerdocs.addStyle(css_progress, "pg_style"); resolve('进度条加载成功'); }) } function removeProgressBar() { var progressDiv = document.querySelector('.progress_show'); if (progressDiv) { progressDiv.parentNode.removeChild(progressDiv); } else { pass; } } function add_img_url() { // 加载页面图片的所有链接 return new Promise((resolve) => { showtoast('正在获取数据中,请勿操作', 500) document.getElementById('btnfirst').click(); // 返回首页 let checkImages = () => { var img_database = document.querySelectorAll('[id^="ViewContainer_BG_"]'); var TotalPage = parseInt((document.getElementById('totalPages').innerText).match(/\d+/)[0]); // console.log('Number of images:', img_database.length); // img_url 空值检查 var imgList = Array(); for (let i = 0; i < img_database.length; i++) { imgList[i] = img_database[i].currentSrc; } if (img_database.length !== TotalPage || imgList.includes('')) { setTimeout(() => { showtoast('正在获取数据中,请勿操作', 500); document.getElementById('btnnext').click(); checkImages(); }, 500); // 间隔0.5秒翻页 } else { document.getElementById('btnnext').click(); // console.log('准备制作PDF的IMG储备完毕'); // console.log(imgList); resolve('图片链接加载成功'); } }; checkImages(); }); } function loadImage(url) { // 图片加载转换为图像二进制文件 return new Promise((resolve, reject) => { var img = new Image(); var data; img.setAttribute("crossOrigin", "Anonymous"); img.src = url; img.onError = function () { throw new Error('Cannot load image: "' + url + '"'); }; img.onload = function () { var canvas = document.createElement("canvas"); document.body.appendChild(canvas); canvas.width = img.width; canvas.height = img.height; var ctx = canvas.getContext("2d"); ctx.drawImage(img, 0, 0); // Grab the image as a jpeg encoded in base64, but only the data data = canvas .toDataURL("image/jpeg") .slice("data:image/jpeg;base64,".length); // Convert the data to binary form data = atob(data); document.body.removeChild(canvas); resolve(data); }; }); } async function download() { // 加载img_url if (document.querySelectorAll('[id^="ViewContainer_BG_"]').length != parseInt((document.getElementById('totalPages').innerText).match(/\d+/)[0])) { await add_img_url(); } await addProgressBar(); showtoast('图像信息处理中,您可以正常浏览该论文页面,我正在努力合并成PDF中,请稍后~', 5000) // pdf 图片下载 var imgList = Array(); var img_database = document.querySelectorAll('[id^="ViewContainer_BG_"]'); for (let i = 0; i < img_database.length; i++) { imgList[i] = img_database[i].currentSrc; } var imgData = new Array(); for (var i = 0; i < imgList.length; i++) { var link = imgList[i]; // console.log("获取第" + (i+1) + "张图片"); var pg = document.getElementById('pg'); pg.value = (i + 1) / imgList.length * 100; await loadImage(link).then((data) => { imgData.push(data); }); } // pdf 图片合并为pdf // console.log("正在合并图片为PDF"); var contentWidth = parseFloat(document.getElementById('PageContainer_0').style.width.replace('px', '')) var contentHeight = parseFloat(document.getElementById('PageContainer_0').style.height.replace('px', '')) const orientation = contentWidth > contentHeight ? 'l' : 'p'; var doc = new jsPDF({ orientation: orientation, unit: "px", format: [contentWidth, contentHeight], }); const namepdf = document.getElementById('infoname').value const output = namepdf + ".pdf"; let idx = 0; imgData.forEach((e) => { idx++; doc.addImage(e, "JPG", 0, 0, contentWidth, contentHeight); if (idx < imgData.length) { doc.addPage(); } }); doc.save(output); removeProgressBar(); } // 绑定下载按钮 $(document).ready(function () { $(".downloadbutton").on("click", function () { download(); }); }); addbutton(); }) })()