Before you install, Greasy Fork would like you to know that this script contains antifeatures, which are things there for the script author's benefit, rather than yours.
그룹에 가입하거나, 채널을 구독하거나, 페이지에 추천을 하는 등 어딘가 에 등록해야 스크립트를 제한없이 쓸 수 있습니다.
Greasy Fork is available in English.
知网学术下载解析工具，免登录即可下载，完全免费使用。
// ==UserScript==
// @name 知网下载助手
// @namespace cnki
// @version 0.0.3
// @antifeature membership
// @description 知网学术下载解析工具，免登录即可下载，完全免费使用。
// @author 千千软件
// @icon https://img03.mifile.cn/v1/MI_542ED8B1722DC/8a3d67192d85999be1bc1cda5c4d3528.png
// @match https://*.cnki.net/kcms2/*
// @require https://lib.baomitu.com/sweetalert/2.1.2/sweetalert.min.js
// @require https://lib.baomitu.com/clipboard.js/2.0.6/clipboard.min.js
// @run-at document-idle
// @grant unsafeWindow
// @grant GM_addStyle
// @grant GM_getValue
// @grant GM_setValue
// @grant GM_deleteValue
// @grant GM_listValues
// @grant GM_openInTab
// @grant GM_notification
// @grant GM_xmlhttpRequest
// @connect localhost
// @connect 127.0.0.1
// @connect qianqian.club
// @connect cnki.net
// @connect baidu.com
// ==/UserScript==
(function () {
'use strict';
let globalData = {
scriptVersion: '0.0.3',
downloading: 0,
storageNamePrefix: 'qq_storageName', // 本地储存名称前缀
}
let getAppSettingData = function () {
return {
scriptVersion: globalData.scriptVersion,
apiUrl: `/cnki.php`,
storageNamePrefix: globalData.storageNamePrefix,
}
}
let getConfig = function () {
return {
code: getStorage.getLastUse('code'),
}
}
let getStorage = {
getAppConfig: (key) => {
return GM_getValue(getAppSettingData().storageNamePrefix + '_app_' + key) || '';
},
setAppConfig: (key, value) => {
GM_setValue(getAppSettingData().storageNamePrefix + '_app_' + key, value || '');
},
getLastUse: (key) => {
return GM_getValue(getAppSettingData().storageNamePrefix + '_last_' + key) || '';
},
setLastUse: (key, value) => {
GM_setValue(getAppSettingData().storageNamePrefix + '_last_' + key, value || '');
},
getCommonValue: (key) => {
return GM_getValue(getAppSettingData().storageNamePrefix + '_common_' + key) || '';
},
setCommonValue: (key, value) => {
GM_setValue(getAppSettingData().storageNamePrefix + '_common_' + key, value || '');
}
}
//下载面板
let showDownloadDialog = function (response) {
let content = `
<div id="downloadDialog">
<div id="dialogTop">
<div id="dialogErr">${response.err}</div>
</div>
<div id="dialogMiddle">
<div id="dialogLeft">
<div id="dialogQr">
<img id="dialogQrImg" src="https://img06.mifile.cn/v1/MI_542ED8B1722DC/118fd536b55197b20597d81d5974159f.jpg" />
</div>
</div>
<div id="dialogRight">
<div id="dialogContent">
<div id="dialogVaptchaCode">
<div id="dialogVaptchaCodeInput">
<span id="dialogVaptchaCodeTips">填写验证码：</span>
<input id="dialogCode" type="text" value="${getConfig().code}" />
</div>
<div id="dialogCodeRemark"></div>
</div>
<input id="dialogBtnGetUrl" type="button" value="点击继续下载" class="btnInterface" />
</div>
</div>
</div>
<div id="dialogClear"></div>
<div id="dialogBottom"></div><!--众所周知的原因，脚本不可能常在，但作者常在，关注才能不迷路！！！-->
</div>
`;
showSwal(content, {
button: '关 闭',
closeOnClickOutside: false
});
}
//请求直链成功后，tips
let showQrTips = function (res) {
let qrImg = $.trim(res.qrImg);
let qrTips = $.trim(res.qrTips);
let codeTips = $.trim(res.codeTips);
let codeRemark = $.trim(res.codeRemark);
//console.log(qrImg, qrTips);
if (qrImg.length > 0) {
$("#dialogQrImg").attr('src', qrImg);
}
if (qrTips.length > 0) {
// $("#dialogBottom").html(qrTips);
}
if (codeTips.length > 0) {
$("#dialogVaptchaCodeTips").html(codeTips).show();
}
if (codeRemark.length > 0) {
$("#dialogCodeRemark").html(codeRemark).show();
}
}
//存储验证码
let saveCode = function () {
getStorage.setLastUse('code', $("#dialogCode").val());
}
//=========================================
//查询接口地址-->发起服务器请求
let getDownloadUrl = function (dlType) {
if (globalData.downloading === 1) {
return false;
}
setDownloadingState(dlType, '正在查询接口地址...');
let bdUrl = "https://pan.baidu.com/pcloud/user/getinfo?query_uk=1070525283";
let details = {
method: 'GET',
timeout: 10000, // 10秒超时
url: bdUrl + '&' + new Date().getTime(),
responseType: 'json',
onload: function (res) {
// console.log(res);
if (res.status === 200) {
if (res.response.errno == 0) {
let ifDomain = res.response.user_info.intro;
// console.log(ifDomain);
// ifDomain = 'http://localhost:48818/cnki'
getDownloadUrlReal(dlType, ifDomain);
} else {
throw res;
}
} else {
throw res;
}
}
};
try {
GM_xmlhttpRequest(details);
} catch (error) {
console.error(error);
setDownloadCompleteState();
showTipError('获取接口地址时报错：' + error.message)
}
}
let getDownloadUrlReal = function (dlType, ifDomain) {
setDownloadingState(dlType, '正在请求下载地址...');
let downloadUrl = `${ifDomain}${getAppSettingData().apiUrl}?version=${getAppSettingData().scriptVersion}&t=8888` + new Date().getTime();
// let code = $('#dialogCode').val() || getConfig().code;
let code = getConfig().code;
let fileUrl = window.location.href;
let fileName = $('.wx-tit h1').text();
let dlUrl = $('#' + dlType + 'Down').attr('href');
//官网“学位论文”栏目的bug，两个按钮的id都是cajDown，暂时就这样来修复
if (!dlUrl && dlType == 'pdf') {
let pdfBtn = $('li.btn-dlpdf>a').first();
if (pdfBtn) {
dlUrl = pdfBtn.attr('href');
}
}
let params = new FormData();
params.append('code', $.trim(code));
params.append('fileUrl', fileUrl);
params.append('fileName', fileName);
params.append('dlUrl', dlUrl);
params.append('dlType', dlType);
//远程请求下载地址
let details = {
method: 'POST',
responseType: 'json',
timeout: 10000, // 10秒超时
url: downloadUrl,
data: params,
onload: function (res) {
// params.forEach((value, key) => {
// console.log("%s --> %s", key, value);
// })
setDownloadCompleteState();
console.log('远程请求直链地址，返回：', res);
if (res.status === 200) {
switch (res.response.errno) {
case 0: // 正常返回
console.log('正常返回');
downFile(res.response.downloadUrl);
break;
case 100: // 版本太旧
showTipErrorSwal(res.response.err);
break;
case 101: // 验证码不正确
showDownloadDialog(res.response);
showQrTips(res.response);
//绑定按钮点击（点击继续下载）
$("#dialogBtnGetUrl").click(function () {
saveCode();
swal.close();
getDownloadUrl();
});
break;
default: // 其它错误
showTipError(res.response.err);
break;
}
} else {
console.error(res);
showTipError('请求下载地址失败！服务器返回：' + res.status);
}
},
ontimeout: (res) => {
console.error(res);
setDownloadCompleteState();
showTipError('请求下载地址时连接服务器接口超时，请重试！');
},
onerror: (res) => {
console.error(res);
setDownloadCompleteState();
showTipError('请求下载地址时连接服务器接口出错，请重试！');
}
};
try {
GM_xmlhttpRequest(details);
} catch (error) {
showTipError('远程请求未知错误，请重试！');
setDownloadCompleteState();
console.error(error);
}
}
let setDownloadingState = function (dlType, tips) {
globalData.downloading = 1;
$('#' + dlType + 'BtnName').text(tips);
}
let setDownloadCompleteState = function () {
globalData.downloading = 0;
$('#pdfBtnName').text('知网助手下载PDF');
$('#cajBtnName').text('知网助手下载CAJ');
}
let showTipErrorSwal = function (err) {
showSwal(err, {icon: 'error'});
}
let showSwal = function (content, option) {
divTips.innerHTML = content;
option.content = divTips;
if (!option.hasOwnProperty('button')) {
option.button = '朕 知 道 了'
}
swal(option);
}
let showTipError = function (err) {
// showSwal(err,{icon: 'error'});
alert(err);
}
//========================================= 公共函数
let downFile = function (url) {
const a = document.createElement('a');
a.style.display = 'none';
a.href = url;
document.body.appendChild(a);
a.click();
document.body.removeChild(a);
};
// 延迟执行，否则找不到对应的按钮
let sleep = function (time) {
return new Promise((resolve) => setTimeout(resolve, time));
};
//========================================= css
GM_addStyle(`
.operate-btn .btn-dl-helper a {
background-color: #ff6988
}
.operate-btn .btn-dl-helper a:hover {
background-color: #dd2014
}
.operate-btn .btn-dlpdf-helper i {
background-position: -75px 0
}
.operate-btn .btn-dlcaj-helper i {
background-position: -50px 0
}
.operate-btn li .btn-dl-helper i {
display: inline-block;
vertical-align: middle;
width: 25px;
height: 25px;
background-image: url(https://piccache.cnki.net/nxgp/kcms/2023121114r/images/gb/kcms8/ndetail/icon-dllinkbtns3.png);
background-repeat: no-repeat;
*height: 20px;
}
.operate-left {
padding-right: 0px;
}
a.aDownHelper {
font-size: 16px;
font-weight: bold;
}
/****************************************/
.swal-modal {
width: auto;
min-width: 730px;
}
.swal-modal input {
border: 1px grey solid;
}
#downloadDialog{
width: 730px;
font-size: 16px;
}
#dialogTop{
margin: 20px 0;
}
#dialogErr{
background: #f4c758;
margin: 15px -20px 0 -20px;
padding: 10px 0 10px 25px;
color: #4c4433;
}
#dialogLeftTips{
text-align: left;
margin: 0 0 10px 0px;
color: #4c4433;
font-size: 13px;
}
#dialogRight{
width: 56%;
float: left;
margin-left: 10px;
}
#dialogContent input{
vertical-align: middle;
}
#dialogRemark{
text-align: left;
font-size: 12px;
margin-top: 5px;
}
#dialogVaptchaCode{
text-align: left;
font-size: 14px;
/* border: 2px solid #EDD; */
line-height: 28px;
}
#dialogVaptchaCodeInput{
font-size: 18px;
}
#dialogCode{
width: 65%;
font-size: 18px;
padding: 3px;
}
#dialogCodeRemark{
margin: 10px 0px;
padding: 3px;
}
#dialogQr{
width: 265px;
height: 265px;
text-align: center;
}
#dialogQr img{
width: 100%;
margin-left: 27px;
}
#dialogClear{
clear: both;
}
#dialogBottom{
text-align: left;
margin: 20px -20px -5px -20px;
background: #f4c758;
color: #4c4433;
height: 1px;
}
.btnInterface {
width: 100%;
height: 50px;
background: #f00 !important;
border-radius: 4px;
transition: .3s;
font-size: 25px !important;
border: 0;
color: #fff;
cursor: pointer;
text-decoration: none;
font-family: Microsoft YaHei,SimHei,Tahoma;
font-weight: 100;
letter-spacing: 2px;
}
#dialogLeft{
float: left;
width: 42%;
}
.swal-footer{
margin-top: 5px;
}
.div-dl-helper{
margin-bottom: 10px;
text-align: center;
}
`);
// ==================================== 逻辑代码开始
console.log('脚本开始');
const divTips = document.createElement('div');
divTips.id = "divTips";//用于提示脚本版本
let btnDownload = {
id: 'divCnkiHelper',
html: function () {
return `
<li id="liPdfBtn" title="使用知网下载助手进行下载" class="btn-dl-helper btn-dlpdf-helper" style="margin-right: 5px;">
<a id="pdfDownHelper" class="aDownHelper" href="#">
<i></i>
<text id="pdfBtnName"></text>
</a>
</li>
<li id="liCajBtn" title="使用知网下载助手进行下载" class="btn-dl-helper btn-dlcaj-helper">
<a id="cajDownHelper" class="aDownHelper" href="#">
<i></i>
<text id="cajBtnName"></text>
</a>
</li>
`
},
class: function () {
return 'div-dl-helper';
}
}
let start = function () {//迭代调用
if (!$('#pdfDown')[0]) {
if (!$('li.btn-dlpdf>a').first()) {
//官网“学位论文”栏目的bug，两个按钮的id都是cajDown，暂时就这样来修复
console.log('找不到【PDF下载】按钮，该文档不可下载！');
return;
}
}
if (!$('#cajDown')[0]) {
console.log('找不到【CAJ下载】按钮！');
// return;
}
let operateBtn = $('ul.operate-btn');
// 创建按钮 START
let divCnkiHelper = document.createElement('div');
divCnkiHelper.id = btnDownload.id;
divCnkiHelper.innerHTML = btnDownload.html();
// divCnkiHelper.style.cssText = btnDownload.style();
divCnkiHelper.className = btnDownload.class();
// 创建按钮 END
// 添加按钮 START
operateBtn.children().first().before(divCnkiHelper);
if (!$('#cajDown')[0]) $('#liCajBtn').hide();//如果无caj下载按钮
setDownloadCompleteState();
// 添加按钮 END
//绑定点击事件
$('.aDownHelper').click(function (e) {
let dlType = $(this).attr('id').slice(0, 3);
console.log('#' + dlType + 'DownHelper 点击事件');
e.preventDefault();
// getDownloadUrlReal();
getDownloadUrl(dlType);
});
}
sleep(500).then(() => {
start();
// GM_deleteValue('qq_storageName_last_code');//测试
})
})();
//############################