// ==UserScript==
// @name           知网PDF下载助手
// @version        3.8.12
// @author         Supernova
// @description    提供知网搜索页面的直接PDF下载
// @match          http*://*.cnki.net/*
// @match          http*://*.cnki.net.*/*
// @match          http*://*/kns8s/DefaultR###lt/*
// @match          http*://*/defaultR###lt/index*
// @match          http*://*-cnki-net-s.*/*
// @match          http*://*/kns8s/AdvSearch*
// @match          http*://*/kcms/detail/detail.aspx*
// @exclude        http://image.cnki.net/*
// @run-at         document-idle
// @icon           https://cnki.net/favicon.ico
// @grant          unsafeWindow
// @grant          GM_xmlhttpRequest
// @license        MIT
// @namespace https://github.com/supernovaZhangJiaXing/Tampermonkey/
// ==/UserScript==
'use strict';
var $ = unsafeWindow.jQuery;
$(document).ready(function() {
if (window.location.href.indexOf("kns8") != -1) {
$(document).ajaxSuccess(function(event, xhr, settings) {
if (settings.url.indexOf('/brief/grid') != -1 || settings.url.indexOf("/Brief/GetGridTableHtml") != -1) {
$.each($('.downloadlink'), function (index, value) {
var pdf_down = $(this).clone().css('background-color', '#FFFFC7').mouseover(function(e){
this.title="准备中...";
});
GM_xmlhttpRequest({
method: "GET",
url: $(".fz14").eq(index).attr('href'),
synchronous: true,
headers: {
Referer: 'https://kns.cnki.net/kns8s/defaultr###lt/index',
'User-Agent': "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.0.0 Safari/537.36 Edg/112.0.1722.68"
},
redirectionLimit: 10,
onload: function(response) {
GM_xmlhttpRequest({
method: "GET",
url: response.finalUrl, // 跳转后的最终链接
synchronous: true,
headers: {
Referer: 'https://kns.cnki.net/kns8s/defaultr###lt/index',
'User-Agent': "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.0.0 Safari/537.36 Edg/112.0.1722.68"
},
onload: function(response){
if ($("#pdfDown", response.responseText).attr('href') != undefined) {
pdf_down.css('background-color', '#C7FFC7').attr('href', $("#pdfDown", response.responseText).attr('href')).mouseover(function(e){
this.title="PDF下载";
});
} else {
if ($(".btn-dlpdf", response.responseText).children("a").attr('href') != undefined) {
pdf_down.css('background-color', '#C7FFC7').attr('href', $(".btn-dlpdf", response.responseText).children("a").attr('href')).mouseover(function(e){
this.title="PDF下载";
});
} else {
pdf_down.css('background-color', '#FFC7C7').attr('href', response.responseURL).mouseover(function(e){
this.title="PDF解析失败";
});
}
}
}
});
}
});
$(this).mouseover(function (e) {
this.title="CAJ下载";
}).css('background-color', '#C7FFFF').after(pdf_down);
});
$('.bulkdownload.export').eq(0).after($('.bulkdownload.export').eq(0).clone().html($('.bulkdownload.export').eq(0).html().replace('下载', 'PDF'))
.removeClass('bulkdownload').click(function () { // 点击下载按钮后的行为
// 获取到勾选的文#, 下载其pdf版
for (var i = 0; i < $('input.cbItem').length; i++) {
if ($('input.cbItem').eq(i).attr('checked') == 'checked') { // 只针对勾选中的i
sleep(1000).then(
window.open($('.downloadlink').eq(2 * i + 1).attr('href'))
);
}
}
$(this).filenameClear();
}).css('background-color', '#C7FFC7'));
$('.bulkdownload.export').eq(0).html($('.bulkdownload.export').eq(0).html().replace('下载', 'CAJ'))
.removeClass('bulkdownload').click(function () { // 点击下载按钮后的行为
// 获取到勾选的文#, 下载其caj版
for (var i = 0; i < $('input.cbItem').length; i++) {
if ($('input.cbItem').eq(i).attr('checked') == 'checked') { // 只针对勾选中的i
sleep(1000).then(
window.open($('.downloadlink').eq(i).attr('href'))
);
}
}
$(this).filenameClear();
}).css('background-color', '#C7FFFF');
}
$('th').eq(8).css('width', '14%');
});
}
else {
GM_xmlhttpRequest({
method: "GET",
url: $("#pdfDown").attr("href"),
synchronous: true,
headers: {
Referer: 'https://kns.cnki.net/kns8s/defaultr###lt/index',
'User-Agent': "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.0.0 Safari/537.36 Edg/112.0.1722.68"
},
redirectionLimit: 10,
onload: function(response) {
$("#pdfDown").attr("href", response.finalUrl);
}
});
}
});
// https://stackoverflow.com/a/951057/7795128
function sleep(time) {
return new Promise((resolve) => setTimeout(resolve, time));
}