直接以PDF格式下载知网上的文献, 包括期刊论文和博硕士论文
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// ==UserScript==
// @id CNKI_PDF_Supernova
// @name 知网PDF下载助手
// @version 3.1.2
// @namespace https://github.com/supernovaZhangJiaXing/Tampermonkey/
// @author Supernova
// @description 直接以PDF格式下载知网上的文献, 包括期刊论文和博硕士论文
// @include http*://*.cnki.net/*
// @include http*://*.cnki.net.*/*
// @include */DefaultResult/Index*
// @include */KNS8/AdvSearch*
// @include */detail.aspx*
// @include */CatalogViewPage.aspx*
// @include */Article/*
// @include */kns/brief/*
// @include */kns55/brief/*
// @include */grid2008/brief/*
// @include */detail/detail.aspx*
// @exclude http://image.cnki.net/*
// @require https://unpkg.com/pdf-lib@1.13.0/dist/pdf-lib.js
// @require https://cdn.jsdelivr.net/gh/tabedit/code-segment@f730e9d9573c4ca7e758766e6a8fb282faae38af/outline.esm.js
// @run-at document-idle
// @grant unsafeWindow
// @grant GM_setClipboard
// @grant GM_xmlhttpRequest
// ==/UserScript==
'use strict';
var $ = unsafeWindow.jQuery;
var contents = '';
var pdf;
$(document).ready(function() {
var myurl = window.location.href;
var isDetailPage = myurl.indexOf("detail.aspx") != -1 ? true: false; // 点进文献后的详情页
var isContentPage = myurl.indexOf("kdoc/download.aspx?") != -1 ? true : false; // 分章下载
if (isDetailPage === false) {
if (window.location.href.indexOf("kns8") != -1){ // 文献检索页面, 防止在别处出现
$(document).ajaxSuccess(function() {
if (arguments[2].url.indexOf('/Brief/GetGridTableHtml') + 1) {
// 防止标志-链接不匹配, 统一默认转换为PDF
$('.downloadlink').attr('href', toPDF);
convert_box.innerText = "当前默认下载格式: PDF (点击转换)";
// TODO: 调整一下图标样式为黄色那个下载箭头, 插入原下载按钮后面
// var pdf_a = document.createElement("a");
// pdf_a.className = "downloadlink icon-download"
// var pdf_i = document.getElementsByClassName("downloadlink icon-download")[0];
// pdf_i.parentElement.insertBefore(pdf_a, i.nextElementSibling);
// pdf_a.innerHTML = "<i></i>";
// pdf_a.style = "background-position: -200px -20px";
}
});
var convert_box = document.createElement("div");
convert_box.innerText = "当前默认下载格式: PDF (点击转换)";
convert_box.className = "ecp_tn-tab";
convert_box.style = "color: blue; font-weight: bolder";
convert_box.onclick = function() {
if (convert_box.innerText == "当前默认下载格式: PDF (点击转换)") {
convert_box.innerText = "当前默认下载格式: CAJ (点击转换)";
$('.downloadlink').attr('href', toCAJ);
} else if (convert_box.innerText == "当前默认下载格式: CAJ (点击转换)") {
convert_box.innerText = "当前默认下载格式: PDF (点击转换)";
$('.downloadlink').attr('href', toPDF);
}
};
var mycnki = $('#icnki');
mycnki.parent()[0].insertBefore(convert_box, mycnki.nextElementSibling);
}
}
// 如果进了详情页, 博硕士论文下面会出现五个个按钮: 手机, 整本, 分页, 分章, 在线
// 期刊论文下会有三个按钮
else {
// 只对"博硕论文"详情页做优化, 否则影响期刊页面的显示
// 新版界面更改了详情页的显示方式, 原本的"博硕论文"四个大字没有了, 只能数按钮数量了
var operate_buttons = document.getElementsByClassName("operate-btn")[0];
if (operate_buttons.childNodes[3].innerText == "整本下载") {
// 整本下载替换为CAJ下载
var dlcaj = document.getElementsByClassName("btn-dlcaj")[0];
dlcaj.innerHTML = dlcaj.innerHTML.replace("整本", "CAJ");
// 添加PDF下载
var dlpdf = document.getElementsByClassName("btn-dlpdf")[0]; // 从分页下载获取链接
var pdfdown = dlpdf.getElementsByTagName('a');
var dl = pdfdown[0].href.replace("&dflag=downpage", "&dflag=pdfdown");
var dlpdfli = document.createElement('li');
dlpdfli.className = "btn-dlpdf";
var a = document.createElement('a');
a.innerHTML = "<i></i>PDF 下载";
a.target="_blank";
a.id = "pdfDown";
a.name = "pdfDown";
a.href = dl;
dlpdfli.appendChild(a);
operate_buttons.appendChild(dlpdfli);
operate_buttons.insertBefore(dlpdfli, dlcaj.nextElementSibling);
// 从分章下载获取目录的URL
var dlChapter = document.getElementsByClassName("btn-dlcaj")[1];
var dlChapter_link = dlChapter.childNodes[0];
// 分页下载替换为目录复制
dlpdf.innerHTML = dlpdf.innerHTML.replace("分页下载", "目录复制");
dlpdf.className = "btn-dlcaj";
pdfdown[0].removeAttribute("href");
pdfdown[0].removeAttribute("target");
pdfdown[0].removeAttribute("onclick");
pdfdown[0].id = "copyContents";
pdfdown[0].name = "copyContents";
pdfdown[0].removeChild(pdfdown[0].childNodes[0]);
dlpdf.onclick = function() {
// 1. 获取目录url
var url = dlChapter_link.href || '?';
url = 'https://chn.oversea.cnki.net/kcms/download.aspx' + url.replace(/%20/g, '').match(/\?.*/)[0];
// 2. 使用GM_xmlhttpRequest获取目录内容
// 3. 在copycontents函数复制目录
GM_xmlhttpRequest({method: 'GET', url: url, onload: copycontents});
};
// 添加目录下载
var dlContent = document.createElement('li');
dlContent.className = "btn-dlpdf";
var dlContent_link = document.createElement('a');
dlContent_link.innerHTML = "目录下载";
dlContent_link.id = "content";
dlContent_link.name = "content";
dlContent.appendChild(dlContent_link);
dlContent.onclick = function (){
// 1. 获取目录url
var url = dlChapter_link.href || '?';
url = 'https://chn.oversea.cnki.net/kcms/download.aspx' + url.replace(/%20/g, '').match(/\?.*/)[0];
// 2. 使用GM_xmlhttpRequest获取目录内容
// 3. 在done函数使用Blob下载目录
GM_xmlhttpRequest({method: 'GET', url: url, onload: downloadcontents});
};
operate_buttons.insertBefore(dlContent, dlChapter);
// 右侧添加使用教程
var how_to_use_li = document.createElement('li');
how_to_use_li.className = "btn-phone";
var how_to_use = document.createElement('a');
how_to_use.innerHTML = "脚本说明";
how_to_use.target="_blank";
how_to_use.id = "how_to_use";
how_to_use.name = "how_to_use";
how_to_use.href = 'https://mp.weixin.qq.com/s?__biz=MzU5MTY4NDUzMg==&mid=2247484384&idx=1&sn=6a135e824793d26b5bd8884b78c1f751&chksm=fe2a753bc95dfc2d3a5f6383553fc369894c5021619c85bb7554583bdcb8c10624bf2a7097e1&token=462651491&lang=zh_CN#rd';
how_to_use_li.appendChild(how_to_use);
operate_buttons.appendChild(how_to_use_li);
// 右侧添加工具下载(PdgContentEditor)
var pce_li = document.createElement('li');
pce_li.className = "btn-phone";
var pce = document.createElement('a');
pce.innerHTML = "目录工具下载";
pce.target="_blank";
pce.id = "pce_down";
pce.name = "pce_down";
pce.href = 'https://pan.baidu.com/s/12i-uv3xALmHOjKpnO691aw';
pce_li.appendChild(pce);
operate_buttons.appendChild(pce_li);
}
}
});
function toCAJ() {
return $(this).data('CAJ', this.href.replace(/&dflag=\w*|$/, '&dflag=nhdown')).data("CAJ");
}
function toPDF() {
return $(this).data('PDF', this.href.replace(/&dflag=\w*|$/, '&dflag=pdfdown')).data("PDF");
}
function get_content(cnt_list){
// 要写的内容
var contents = "";
for (var i = 0; i < cnt_list.length - 1; i++) { // 长度减一, 因为最后一个是text
var cnt_item = cnt_list[i].childNodes[1].childNodes[1];
cnt_item = cnt_item.innerHTML;
var cnt_page = cnt_list[i].childNodes[3].childNodes[0].textContent.trim().split("-")[0]; // 知网的目录给的是个范围, 正常只需要前半部分
contents = contents + cnt_item.trim().replace(/ /g, " ") + "\t" + cnt_page + "\r\n";
}
return contents;
}
function fuckcontent(xhr) {
// 目录列表
var cnt_list = $('tr', xhr.responseText);
// 要写的内容
contents = get_content(cnt_list);
}
function do_download_content(contents, title){
var data = new Blob([contents],{type:"text/plain; charset=UTF-8"});
var downloadUrl = window.URL.createObjectURL(data);
var anchor = document.createElement("a");
anchor.href = downloadUrl;
anchor.download = "目录索引_" + title.innerHTML.trim().replace(/ /g, "");
anchor.click();
window.URL.revokeObjectURL(data);
window.alert("目录索引已保存, 请使用PdgCntEditor软件将目录整合到PDF中");
}
function copycontents(xhr){
fuckcontent(xhr); // 目录赋值给了全局变量contents
// 运用油猴脚本自带的复制
GM_setClipboard(contents);
window.alert('目录已复制到剪贴板');
};
function downloadcontents(xhr){
fuckcontent(xhr); // 目录赋值给了全局变量contents
var title = document.getElementsByClassName("wx-tit")[0].childNodes[1];
do_download_content(contents, title)
};