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// ==UserScript==
// @name 【最强无套路脚本】你能看见多少我能下载多少&下载公开免费的PPT、PDF、DOC、TXT等文件
// @namespace http://tampermonkey.net/
// @homepage https://github.com/systemmin/kill-doc
// @version 1.9
// @description 百度|原创力|人人|360文库|豆丁|豆丁建筑|道客|MBA智库|得力|七彩学科|金锄头|爱问|蚂蚁|读根网|搜弘|微传网|淘豆网|GB|JJG|行业标准|轻竹办公|等公开免费文档下载
// @author Mr.Fang
// @match https://*.book118.com/*
// @match https://*.renrendoc.com/*
// @match https://*.docin.com/*
// @match https://*.doc88.com/*
// @match https://doc.mbalib.com/*
// @match https://*.deliwenku.com/*
// @match https://*.jinchutou.com/*
// @match https://*.152files.goldhoe.com/*
// @match https://*.mayiwenku.com/*
// @match https://*.dugen.com/*
// @match https://*.7cxk.com/*
// @match https://ishare.iask.com/*
// @match https://*.down.sina.com.cn/*
// @match https://wenku.baidu.com/*
// @match https://wkbjcloudbos.bdimg.com/*
// @match https://wkretype.bdimg.com/*
// @match https://*.chochina.com/*
// @match https://*.weizhuannet.com/*
// @match https://www.taodocs.com/*
// @match https://wenku.so.com/*
// @match https://*.360tres.com/*
// @match https://www.wenkub.com/*
// @match http://c.gb688.cn/*
// @match http://jjg.spc.org.cn/resmea/view/stdonline
// @match https://pro-img-brtm.baijiayun.com/*
// @match https://hbba.sacinfo.org.cn/attachment/onlineRead/*
// @match https://www.qzoffice.com/edit**
// @require https://lf6-cdn-tos.bytecdntp.com/cdn/expire-1-M/jspdf/2.4.0/jspdf.umd.min.js
// @require https://unpkg.com/@zip.js/zip.js@2.7.34/dist/zip.min.js
// @require https://cdn.bootcdn.net/ajax/libs/html2canvas/1.4.1/html2canvas.min.js
// @icon https://dtking.cn/favicon.ico
// @run-at document-idle
// @grant GM_getValue
// @grant GM_setValue
// @grant GM_download
// @grant GM_notification
// @grant unsafeWindow
// @license Apache-2.0
// ==/UserScript==
(function() {
'use strict';
let MF =
'#MF_fixed{position:fixed;top:50%;transform:translateY(-50%);right:20px;gap:20px;flex-direction:column;z-index:2147483647;display:flex}';
MF +=
'.MF_box{padding:10px;cursor:pointer;border-color:rgb(0,102,255);border-radius:5px;background-color:white;color:rgb(0,102,255);margin-right:10px;box-shadow:rgb(207,207,207) 1px 1px 9px 3px}.MF_active{color: green;}';
MF +=
'@media print{html{height:auto !important}body{display:block !important}#app-left{display:none !important}#app-right{display:none !important}#MF_fixed{display:none !important}.menubar{display:none !important}.top-bar-right{display:none !important}.user-guide{display:none !important}#app-reader-editor-below{display:none !important}.no-full-screen{display:none !important}.comp-vip-pop{display:none !important}.center-wrapper{width:auto !important}.reader-thumb,.related-doc-list,.fold-page-content,.try-end-fold-page,.lazy-load,#MF_textarea,#nav-menu-wrap{display:none !important}}'
const prefix = "MF_";
/**
* @description 添加 URL 到本地缓存
* @author Mr.Fang
* @time 2024年2月4日
* @param {Array} urls 数据
* @param key
*/
const MF_addURL = (urls, key = 'listData') => {
let listData = JSON.parse(localStorage.getItem(key)) || [];
let index = 0;
let length = listData.length;
urls.forEach((url) => {
if (!listData.some(item => item.src === url)) {
// 添加新的URL对象
listData.push({
src: url,
page: length + index
});
index++;
}
})
// 将更新后的URL数组存储回localStorage
localStorage.setItem(key, JSON.stringify(listData));
GM_setValue(key, JSON.stringify(listData))
console.log('URL已添加：');
}
/**
* Url 地址拼接，无需预览直接从 HTML 中读取相应的参数即可
*/
const loadingUrls = (params) => {
const _pageCount = Viewer._pageCount;
console.log(_pageCount);
let dp;
if (params) {
dp = u.query('#dp').value.replace('www', 'ww'); // 读根网特殊情况
} else {
dp = u.query('#dp').value;
}
const urls = [];
for (var i = 1; i < _pageCount + 1; i++) {
let u = dp + i + ".gif";
urls.push(u);
}
MF_addURL(urls);
}
/**
* Url 地址拼接，无需预览直接从 HTML 中读取相应的参数即可
*/
const joinDownloadURL = (baseUrl) => {
const size = Page.size;
const urls = [];
for (var i = 0; i < size; i++) {
urls.push(baseUrl + '/' + i + '.png');
}
MF_addURL(urls);
}
class Box {
id = ""; // id
label = ""; // 按钮文本
fun = ""; // 执行方法
constructor(id, label, fun) {
this.id = id;
this.label = label;
this.fun = fun;
}
}
class Utility {
debug = true;
/**
* 添加 css 样式
* @param e 节点
* @param data JSON 格式样式
*/
style(e, data) {
Object.keys(data).forEach(key => {
e.style[key] = data[key]
})
}
attr(e, key, val) {
if (!val) {
return e.getAttribute(key);
} else {
e.setAttribute(key, val);
}
}
/**
* 追加样式
* @param css 格式样式
*/
appendStyle(css) {
let style = this.createEl('', 'style');
style.textContent = css;
style.type = 'text/css';
let dom = document.head || document.documentElement;
dom.appendChild(style);
}
/**
* @description 创建 dom
* @param id 必填
* @param elType
* @param data
*/
createEl(id, elType, data) {
const el = document.createElement(elType);
el.id = id || '';
if (data) {
this.style(el, data);
}
return el;
}
query(el) {
return document.querySelector(el);
}
queryAll(el) {
return document.querySelectorAll(el);
}
update(el, text) {
const elNode = this.query(el);
if (!elNode) {
console.log('节点不存在');
} else {
elNode.innerHTML = text;
}
}
/**
* 进度
* @param current 当前数量 -1预览结束
* @param total 总数量
* @param content 内容
*/
preview(current, total, content) {
return new Promise(async (resolve, reject) => {
if (current === -1) {
this.update('#' + prefix + 'text', content ? content : "已完成");
} else {
let p = (current / total) * 100;
let ps = p.toFixed(0) > 100 ? 100 : p.toFixed(0);
console.log('当前进度', ps)
this.update('#' + prefix + 'text', '进度' + ps + '%');
await this.sleep(500);
resolve();
}
})
}
preText(content) {
this.update('#' + prefix + 'text', content);
}
gui(boxs) {
const box = this.createEl(prefix + "fixed", 'div');
for (let x in boxs) {
let item = boxs[x];
if (!item.id) continue;
let el = this.createEl(prefix + item.id, 'button');
el.append(new Text(item.label));
if (x === '0') {
el.classList = prefix + 'box ' + prefix + "active";
} else {
el.className = prefix + "box";
}
if (item.fun) {
el.onclick = function() {
eval(item.fun);
}
}
box.append(el);
}
document.body.append(box);
}
sleep(ms) {
return new Promise(resolve => setTimeout(resolve, ms));
}
log(msg) {
if (this.debug) {
console.log(msg);
}
}
logt(msg) {
if (this.debug) {
console.table(msg);
}
}
}
const u = new Utility();
u.appendStyle(MF);
const btns = [
new Box('text', '状态 0 %'),
new Box('start', '自动预览', 'autoPreview()'),
new Box('stop', '停止预览', 'stopPreview()'),
new Box('down', '下载图片', 'executeDownload(2)'),
new Box('pdf', '下载PDF', 'executeDownload(1)')
]
const domain = {
renrendoc: "renrendoc.com",
book118: 'book118.com',
docin: 'docin.com',
wenku: 'wenku.baidu.com',
so: 'wenku.so.com',
doc88: 'doc88.com',
mbalib: 'doc.mbalib.com',
deliwenku: 'deliwenku.com',
cxk: '7cxk.com',
jinchutou: 'jinchutou.com',
mayiwenku: 'mayiwenku.com',
dugen: 'ww.dugen.com',
iask: 'ishare.iask.com',
chochina: 'chochina.com',
weizhuan: 'weizhuannet.com',
taodocs: 'taodocs.com',
wenkub: 'wenkub.com',
gb688: 'gb688.cn',
jjg: 'jjg.spc.org.cn',
shengtongedu: 'pro-img-brtm.baijiayun.com',
sacinfo: 'hbba.sacinfo.org.cn',
qzoffice: 'www.qzoffice.com',
};
const {
host,
href,
origin
} = window.location;
const jsPDF = jspdf.jsPDF;
let zipWriter; // 声明全局变量
zipWriter = new zip.ZipWriter(new zip.BlobWriter("application/zip"), {
bufferedWrite: true,
useCompressionStream: false
});
const doc = new jsPDF({
orientation: 'p',
unit: 'px',
compress: true
});
let pdf_w = 446,
pdf_h = 631,
pdf_ratio = 0.56,
title = document.title,
fileType = '',
downType = 1, // 下载文件类型
select = null,
selectBox = null,
dom = null,
beforeFun = null,
interval = null,
BASE_URL = 'https://wkretype.bdimg.com/retype',
readerInfoBai = null, // 百度文档参数
intervalBai = null; // 百度定时任务
if (host.includes(domain.taodocs)) {
iscopy = 'TRUE'; // taodocs copy flag
}
const params = new URLSearchParams(document.location.search.substring(1));
if (params.size && params.get('custom')) {
window.parent.postMessage({
type: "onload",
value: 'success'
}, "*")
u.log('子页面加载完成！');
}
/**
* 人人监听侧边栏点击切换问题
*/
const renObserve = () => {
const targetNode = u.query(".center-wrap");
if (targetNode) {
const observerOptions = {
childList: true,
attributes: false,
subtree: false
};
// dom 监听器
const observer = new MutationObserver(function(mutationList, observer) {
mutationList.forEach((mutation) => {
const addedNodes = mutation.addedNodes;
if (addedNodes.length) {
addedNodes.forEach(item => {
if (item.className === 'main-content') {
dom = item;
let node = u.query('h1');
title = node.innerText.replaceAll(" ", "");
node.nextElementSibling.children
let innerText = node.nextElementSibling.children[6]
.innerText;
fileType = innerText.split("：")[1].toLowerCase();
localStorage.removeItem('down')
}
})
}
});
});
// 触发监听
observer.observe(targetNode, observerOptions);
}
}
const baiduCopy = () => {
const observerOptions = {
characterData: true,
subtree: true
};
// dom 监听器
const observer = new MutationObserver(function(mutationList, observer) {
const mutation = mutationList[0];
let data = mutation.target.data;
let result = data.substring(data.indexOf('“') + 1, data.lastIndexOf('”'));
let textarea = u.query('#MF_textarea');
if (textarea) {
textarea.innerText = result;
} else {
textarea = u.createEl('MF_textarea', 'textarea');
textarea.style.width = "100%"
textarea.style.height = "200px"
textarea.style.outline = "none";
textarea.style.padding = "10px";
textarea.style.boxSizing = "border-box";
textarea.style.fontSize = "16px"
textarea.style.border = "1px solid rgb(204, 204, 204)"
textarea.innerText = result;
let box = u.query('#catalog-main') || u.query('.catalog-main') || u.query(
'.related-doc-list')
box.before(textarea);
}
});
const targetNode2 = document.querySelector('.link')
// 触发监听
observer.observe(targetNode2, observerOptions);
}
window.onunload = function() {
if (intervalBai) {
clearInterval(intervalBai);
intervalBai = null;
}
}
// 百度 xhr 数据监听
if (host.includes(domain.wenku)) {
const _r_text = window.Response.prototype.text;
window.Response.prototype.text = function() {
return new Promise((resolve, reject) => {
_r_text.call(this).then((text) => {
resolve(text);
}).catch(reject);
});
}
const _open = window.XMLHttpRequest.prototype.open;
window.XMLHttpRequest.prototype.open = function(...args) {
this.addEventListener("load", () => {
try {
let content = this.responseText;
const url = args[1];
if (url.includes('ndocview/readerinfo')) {
const {
data
} = JSON.parse(content);
const htmlUrls = data.htmlUrls;
let list = htmlUrls.png;
let images = [];
if (list) {
images = htmlUrls.png.map(item => {
return item.pageLoadUrl
});
} else {
images = htmlUrls;
}
// 文本内容地址保存
if (htmlUrls.json) {
let pageLoadUrl = htmlUrls.json.map(item => {
return item.pageLoadUrl
})
MF_addURL(pageLoadUrl, 'pageData');
}
// 纯文本类型文件
if (fileType === "txt") { // 纯文本类型
let urls = [];
const {
docId,
freePage,
rsign,
md5sum
} = data;
for (var i = readerInfoBai.showPage + 1; i < freePage + 1; i++) {
let x = md5sum.substring(1);
let n = ["pn=" + i, "rn=1", "type=txt", "spr=0", "rsign=" + rsign,
"callback=wenku_" + i
].join("&");
let url = BASE_URL + "/text/" + docId + "?" + x + "&" + n;
urls.push(url)
}
MF_addURL(urls, 'pageData');
}
MF_addURL(images);
}
} catch {}
});
return _open.apply(this, args);
}
}
const childMessage = (message) => {
window.parent.postMessage({
type: "child",
value: message ? message : ''
}, "*")
}
const parentMessage = (message, attr) => {
const ifarme = document.getElementById(attr);
let _window = ifarme.contentWindow;
_window.postMessage({
type: 'parent',
value: message ? message : ''
}, "*")
}
// 监听页面消息事件
window.addEventListener("message", (e) => {
const {
type,
value
} = e.data;
if (type === 'parent') { // 父级-子页面消息
if (value.includes(origin)) {
MF_ImageToBase64(value).then(data => {
childMessage(data);
})
}
} else if (type === 'child') { // 子页面-到父页面消息
let index = Number(localStorage.getItem("current") || "0");
let length = Number(localStorage.getItem("length") || "0");
const {
data,
width,
height
} = value;
if (fileType.includes('ppt') || width > height) {
doc.addPage([width * pdf_ratio, height * pdf_ratio], 'l');
doc.addImage(data, 'JPEG', 0, 0, width * pdf_ratio, height * pdf_ratio, index, 'FAST')
} else {
doc.addPage();
doc.addImage(data, 'JPEG', 0, 0, pdf_w, pdf_h, index, 'FAST')
}
if (index === 1) {
doc.deletePage(1);
}
zipWriter.add(index + ".png", new zip.Data64URIReader(data));
localStorage.setItem('current', index + 1 + "");
downimg();
} else if (type === 'onload') {
const url = new URL(e.origin);
const attrId = url.host.replaceAll(".", "");
const query = document.getElementById('#' + attrId);
if (query) {
downimg();
}
}
})
/**
* @description 前置方法
* @author Mr.Fang
* @time 2024年2月2日
*/
const before = () => {
if (beforeFun) {
console.log('---------->beforeFun');
eval(beforeFun)
}
// 画布添加监听事件，当数据加载完成删除 id，防止数据被清空
if (host.includes(domain.wenku)) {
const els = u.queryAll('canvas');
for (var i = 0; i < els.length; i++) {
let eNode = els[i];
const intersectionObserver = new IntersectionObserver((entries) => {
let isIntersecting = entries[0].isIntersecting
if (isIntersecting && eNode.width && eNode.height) {
eNode.id = '';
}
});
// 开始监听
intersectionObserver.observe(eNode);
}
}
}
/**
* @description 初始化方法
* @author Mr.Fang
* @time 2024年2月2日
*/
const init = () => {
console.table({
host,
href,
origin
})
dom = document.documentElement || document.body;
if (host.includes(domain.renrendoc)) {
if (!/.*renrendoc\.com\/.+$/.test(href)) {
console.log('结束');
return;
}
const node = u.query('h1');
title = node.innerText.replaceAll(" ", "");
node.nextElementSibling.children
const innerText = node.nextElementSibling.children[6].innerText;
fileType = innerText.split("：")[1].toLowerCase();
dom = u.query('.main-content');
beforeFun =
"let er = u.query('#load_preview_btn');if (er && er.style.display !== 'none') {er.click()}";
select = "#page img";
btns.push(new Box('PPT', '获取地址', 'downtxt()'))
} else if (host.includes(domain.book118)) {
if (!/.+book118\.com\/.+$/.test(href)) {
console.log('结束');
return;
}
if (!href.includes('pptView.html')) {
const node = u.query('h1');
title = node.innerText.replaceAll(" ", "");
const number = title.lastIndexOf(".");
fileType = title.substring(number + 1).toLowerCase();
GM_setValue('title', title);
if (fileType.includes('ppt')) {
beforeFun = "let eb = u.query('#btn_ppt_front_pc');if (eb) {eb.click();}";
} else {
beforeFun = "let eb = u.query('#btn_preview_remain');if (eb) {eb.click();}";
}
} else {
fileType = 'ppt';
title = GM_getValue('title');
}
select = ".webpreview-item img";
btns.push(new Box('PPT', '获取地址', 'downtxt()'))
} else if (host.includes(domain.docin)) {
if (!/.+docin\.com\/.+$/.test(href)) {
console.log('结束');
return;
}
title = u.query('meta[property="og:title"]').content;
fileType = u.attr(u.query('h1').children[0], 'title').toLowerCase();
select = "#contentcontainer canvas";
if (isUserLogin === '1') {
beforeFun = "let eb = u.query('.model-fold-show');if (eb) {eb.click();}";
}
if (fileType.includes('ppt')) {
btns.push(new Box('PPT', '获取地址', 'downtxt()'))
}
} else if (host.includes(domain.wenku)) {
if (!/.+wenku\.baidu\.com\/(tfview|view).+$/.test(href)) {
console.log('结束');
return;
}
dom = u.query('.reader-wrap');
beforeFun = "let eb = u.query('.unfold');if (eb) {eb.click();}";
select = "#original-creader-root canvas";
btns.push(new Box('print-pdf', '打印PDF', 'window.print()'))
btns.push(new Box('get-text', '获取文本', 'fullText()'))
if (fileType.includes('ppt') || fileType.includes('pdf')) {
btns.push(new Box('PPT', '获取地址', 'downtxt()'))
}
} else if (host.includes(domain.so)) {
if (!/.+wenku\.so\.com\/.+$/.test(href)) {
console.log('结束');
return;
}
const {
Title,
DocType,
Field03
} = asyncData.DocInfo;
title = Title;
fileType = DocType.toLowerCase();;
btns.splice(1, 2);
btns.push(new Box('PPT', '获取地址', 'downtxt()'))
MF_addURL(Field03);
} else if (host.includes(domain.doc88)) {
if (!/.+doc88\.com\/.+$/.test(href)) {
console.log('结束');
return;
}
title = u.query('meta[property="og:title"]').content;
fileType = u.query("#box1 .attribute").innerText.split(" ")[0].split("：")[1].toLowerCase();
beforeFun = "let eb = u.query('#continueButton');if (eb) {eb.click();}";
select = "#pageContainer .inner_page";
btns.push(new Box('get-text', '获取文本', 'fullText()'))
} else if (host.includes(domain.mbalib)) {
if (!/doc\.mbalib\.com\/.+$/.test(href)) {
console.log('结束');
return;
}
dom = u.query('#scroll-m-box');
title = u.query('h1 p').innerText;
fileType = title.substring(title.indexOf('.') + 1).toLowerCase();
select = "#viewer canvas";
btns.push(new Box('get-text', '获取文本', 'fullText()'))
} else if (host.includes(domain.deliwenku) ||
host.includes(domain.cxk) ||
host.includes(domain.jinchutou) ||
host.includes(domain.mayiwenku) ||
host.includes(domain.dugen) ||
host.includes(domain.chochina) ||
host.includes(domain.weizhuan)
) {
if ((!/.+deliwenku\.com\/.+$/.test(href)) &&
(!/.+7cxk\.com\/.+$/.test(href)) &&
(!/.+jinchutou\.com\/.+$/.test(href)) &&
(!/.+mayiwenku\.com\/.+$/.test(href)) &&
(!/ww\.dugen\.com\/.+$/.test(href)) &&
(!/.+chochina\.com\/.+$/.test(href)) &&
(!/.+weizhuannet\.com\/.+$/.test(href))
) {
return;
}
// 蚂蚁需手动点击全文
if (host.includes(domain.mayiwenku) || host.includes(domain.dugen)) {
preview();
loadingUrls(host.includes(domain.dugen));
} else {
loadingUrls();
}
if (host.includes(domain.chochina)) {
title = u.query('h1').innerText;
fileType = title.substring(title.indexOf('.') + 1).toLowerCase();
} else {
title = u.query('meta[property="og:title"]').content;
fileType = u.query('meta[property="og:document:type"]').content.toLowerCase();
}
btns.splice(1, 2);
btns.push(new Box('PPT', '获取地址', 'downtxt()'))
} else if (host.includes(domain.iask)) {
if (!/ishare\.iask\.com\/.+$/.test(href)) return;
title = pageConfig.access.title;
fileType = pageConfig.access.format.toLowerCase();;
btns.splice(1, 2);
btns.push(new Box('PPT', '获取地址', 'downtxt()'))
MF_addURL(pageConfig.imgUrl);
} else if (host.includes(domain.taodocs)) {
if (!/www\.taodocs\.com\/.+$/.test(href)) return;
title = u.query('h1').innerText;
fileType = title.substring(title.indexOf('.') + 1).toLowerCase();
beforeFun = "let eb = u.query('.fc2e');if (eb) {eb.click();}";
select = "#canvas canvas";
btns.push(new Box('get-text', '获取文本', 'fullText()'))
} else if (host.includes(domain.wenkub)) {
if (!/www\.wenkub\.com\/.+$/.test(href)) return;
title = u.query('h1').innerText;
fileType = title.substring(title.indexOf('.') + 1).toLowerCase();
beforeFun = "let eb = u.query('.fc2e');if (eb) {eb.click();}";
select = "#pageContainer img";
} else if (host.includes(domain.gb688)) {
if (u.query('#verifyCode')) return;
fileType = 'pdf';
select = "#viewer .page";
} else if (host.includes(domain.jjg)) {
fileType = ".pdf";
select = "#docViewer_ViewContainer .fwr-page-image img";
} else if (host.includes(domain.shengtongedu)) {
fileType = "ppt";
} else if (host.includes(domain.sacinfo)) {
fileType = "pdf";
const md5 = href.split('/').pop(); // 秘钥
joinDownloadURL('https://hbba.sacinfo.org.cn/hbba_onlineRead_page/' + md5)
btns.splice(1, 2);
btns.push(new Box('PPT', '获取地址', 'downtxt()'))
} else if (host.includes(domain.qzoffice)) {
fileType = "pdf";
title = params.get('content') || 'AI-PPT';
btns.splice(1, 2);
btns.splice(2, 1);
}
const query = u.query("#btn_ppt_front_pc"); // 原创
if (!query) {
u.gui(btns);
} else {
query.click();
}
console.log('文件名称：', title);
console.log('文件类型：', fileType);
}
(function() {
// 移除多余 iframe
document.querySelectorAll('iframe').forEach(item => {
item.remove()
})
// 在这里执行渲染完成后的操作
console.log('HTML 渲染完成!');
// 清空系统缓存数据
localStorage.removeItem('listData')
localStorage.removeItem('length')
localStorage.removeItem('current')
localStorage.removeItem('pageData')
localStorage.removeItem('down')
// 百度服务端渲染
if (host.includes(domain.wenku)) {
const {
readerInfo,
viewBiz
} = pageData;
fileType = viewBiz.docInfo.fileType;
title = viewBiz.docInfo.aiQueryTitle;
readerInfoBai = readerInfo;
const htmlUrls = readerInfo.htmlUrls;
if (htmlUrls) {
if (fileType.includes('ppt')) {
MF_addURL(htmlUrls);
} else if (fileType.includes('pdf')) {
let images = [];
if (htmlUrls.png) {
images = htmlUrls.png.map(item => {
return item.pageLoadUrl
})
} else {
images = htmlUrls;
}
MF_addURL(images);
}
// 文本内容地址保存
if (htmlUrls.json) {
let pageLoadUrl = htmlUrls.json.map(item => {
return item.pageLoadUrl
})
MF_addURL(pageLoadUrl, 'pageData');
}
}
// 纯文本类型文件
if (fileType === "txt") { // 纯文本类型
let urls = [];
const {
docId,
freePage,
rsign,
showPage,
md5sum
} = readerInfoBai;
for (var i = 1; i < showPage + 1; i++) {
let x = md5sum.substring(1);
let n = ["pn=" + i, "rn=1", "type=txt", "spr=0", "rsign=" + rsign,
"callback=wenku_" + i
].join("&");
let url = BASE_URL + "/text/" + docId + "?" + x + "&" + n;
urls.push(url)
}
MF_addURL(urls, 'pageData');
}
setTimeout(() => {
baiduCopy()
}, 500)
intervalBai = setInterval(() => {
// 右侧侧边栏
const vip = u.query('#app-right');
if (vip) {
vip.remove()
}
const chat = u.query('.wk-chat-modal');
if (chat) {
chat.remove()
}
// 左侧广告轮播
const banner = u.query('.banner-wrapper');
if (banner) {
banner.remove()
}
}, 1000);
}
// 监听子页面加载完成，发送消息
if (!params.size || !params.get('custom')) {
init()
}
})();
/**
* @description 开始方法，自动预览
* @author Mr.Fang
* @time 2024年2月2日
*/
const autoPreview = async () => {
if (host.includes(domain.book118) && fileType.includes('ppt')) {
localStorage.setItem('start', '1');
await autoParsingPPT();
return false;
}
if (host.includes(domain.shengtongedu) && fileType.includes('ppt')) {
localStorage.setItem('start', '1');
await autoShengTongParsingPPT();
return false;
}
if (interval) return false;
dom.scrollTop = 0;
interval = setInterval(() => {
if (host.includes(domain.book118)) {
scrollPageArea()
} else if (host.includes(domain.renrendoc)) {
scrollPageArea()
} else if (host.includes(domain.docin)) {
scrollWinArea()
} else if (host.includes(domain.wenku)) {
scrollWinArea()
} else if (host.includes(domain.doc88)) {
scrollPageAreaDoc88()
} else if (host.includes(domain.mbalib)) {
scrollWinArea()
} else if (host.includes(domain.taodocs)) {
scrollWinAreaTao()
} else if (host.includes(domain.gb688)) {
scrollPageAreaDocGB()
} else if (host.includes(domain.jjg)) {
scrollPageAreaJJG()
}
}, 500);
}
/**
* @description 结束方法，停止预览
* @author Mr.Fang
* @time 2024年2月2日
*/
const stopPreview = async () => {
console.log('---------->stopPreview');
if (interval) {
clearInterval(interval);
interval = null;
}
if (host.includes(domain.book118) && fileType.includes('ppt')) {
localStorage.removeItem('start')
}
if (host.includes(domain.shengtongedu) && fileType.includes('ppt')) {
localStorage.removeItem('start')
}
}
/**
* @description 执行文件下载
* @author Mr.Fang
* @time 2024年2月20日
* @param type 文件类型
*/
const executeDownload = async (type) => {
downType = type;
const down = localStorage.getItem('down');
console.log('down', down)
console.log('down', host)
if (!down) {
// 结束后续执行的方法
if (host.includes(domain.book118) || host.includes(domain.shengtongedu)) {
if (fileType.includes('ppt')) {
conditionDownload();
} else {
await parseImage()
}
} else if (host.includes(domain.renrendoc)) {
await parseImage()
} else if (host.includes(domain.wenku)) {
const display = u.query('#app-top-right-tool')?.style.display;
if (!display || display === 'none') {
await downimg()
}
} else if (host.includes(domain.docin) ||
host.includes(domain.doc88) ||
host.includes(domain.mbalib) ||
host.includes(domain.taodocs)
) {
await imageToBase64()
conditionDownload();
} else if (host.includes(domain.deliwenku) ||
host.includes(domain.cxk) ||
host.includes(domain.jinchutou) ||
host.includes(domain.mayiwenku) ||
host.includes(domain.dugen) ||
host.includes(domain.iask) ||
host.includes(domain.chochina) ||
host.includes(domain.weizhuan) ||
host.includes(domain.so) ||
host.includes(domain.sacinfo)
) {
await downimg()
} else if (host.includes(domain.gb688)) {
await downBgImg();
} else if (host.includes(domain.jjg)) {
await parseImage()
} else if (host.includes(domain.qzoffice)) {
await handleQzoffice();
conditionDownload();
}
} else {
conditionDownload();
}
}
/**
* 根据指定条件下载文件
*/
const conditionDownload = () => {
if (downType === 1) {
downpdf()
localStorage.setItem('down', '1')
} else if (downType === 2) {
downzip()
if (!host.includes(domain.qzoffice)) // 排除 qz
localStorage.setItem('down', '1')
}
u.preText('下载完成')
}
// 滚动指定 Window
const scrollWinArea = () => {
before();
const scrollTop = dom.scrollTop;
const height = dom.scrollHeight - dom.clientHeight;
if (height <= scrollTop) {
stopPreview();
u.preview(-1);
} else {
let top = scrollTop + 500;
dom.scrollTo({
top: top,
left: 0,
behavior: "smooth",
});
u.preview(top, height);
}
}
// 滚动指定 Window
const scrollWinAreaTao = () => {
const scrollTop = dom.scrollTop;
const height = dom.scrollHeight - dom.clientHeight;
const fc2e = u.query('.fc2e');
let end = 0;
const images = u.queryAll(select);
const length = images.length;
for (let i = 0; i < length; i++) {
let item = images[i];
const {
top
} = item.getBoundingClientRect();
if (item.width === 300 || item.height == 150) {
end = 1;
dom.scrollTo({
top: dom.scrollTop + top,
left: 0,
behavior: "smooth",
});
u.preview(dom.scrollTop + top, height);
break;
}
}
if (end === 0) {
if (!fc2e) {
stopPreview();
u.preview(-1);
} else {
before()
}
}
}
// 滚动指定区域
const scrollPageArea = () => {
before();
const clientHeight = dom.clientHeight;
let end = 0;
const images = u.queryAll(select);
const length = images.length;
for (let i = 0; i < length; i++) {
let item = images[i];
const {
top
} = item.getBoundingClientRect();
if (item instanceof HTMLImageElement) {
if (!item.src && !item.getAttribute('data-src')) {
end = 1;
dom.scrollTo({
top: dom.scrollTop + top,
left: 0,
behavior: "smooth",
});
u.preview(i + 1, length);
break;
}
} else if (item instanceof HTMLDivElement) {
end = 1;
dom.scrollTo({
top: dom.scrollTop + top,
left: 0,
behavior: "smooth",
});
u.preview(i + 1, length);
break;
}
}
if (end === 0) {
u.preview(-1);
stopPreview();
}
}
// 道客滚动函数
const scrollPageAreaDoc88 = () => {
before();
const clientHeight = dom.clientHeight;
let end = 0;
const images = u.queryAll(select);
const length = images.length;
for (let i = 0; i < length; i++) {
let item = images[i];
const {
top
} = item.getBoundingClientRect();
let previousElementSibling = item.previousElementSibling.previousElementSibling;
let fs = u.attr(item, 'fs');
let t = previousElementSibling.innerText;
if (!fs || t.length) {
end = 1;
dom.scrollTo({
top: dom.scrollTop + top,
left: 0,
behavior: "smooth",
});
u.preview(i + 1, length);
break;
}
}
if (end === 0) {
u.preview(-1);
stopPreview();
}
}
const scrollPageAreaDocGB = () => {
const clientHeight = dom.clientHeight;
let end = 0;
const els = u.queryAll(select);
const length = els.length;
for (let i = 0; i < length; i++) {
let item = els[i];
if (u.attr(item, 'bg')) {
end = 1;
item.scrollIntoView({
behavior: "smooth"
});
u.preview(i + 1, length);
break;
}
}
if (end === 0) {
u.preview(-1);
stopPreview();
}
}
const scrollPageAreaJJG = () => {
const clientHeight = dom.clientHeight;
let end = 0;
const els = u.queryAll(select);
const length = els.length;
for (let i = 0; i < length; i++) {
let item = els[i];
if (!u.attr(item, 'src')) {
end = 1;
u.query('.fwr-rb-bottom-page-next').click();
u.preview(i + 1, length);
break;
}
}
if (end === 0) {
u.preview(-1);
stopPreview();
}
}
const imageToBase64 = async () => {
const images = u.queryAll(select);
const length = images.length;
for (let i = 0; i < length; i++) {
let {
data,
width,
height
} = await MF_CanvasToBase64(images[i]);
let fileName = i + ".png";
zipWriter.add(fileName, new zip.Data64URIReader(data));
if (fileType.includes('ppt')) {
doc.addPage([width * pdf_ratio, height * pdf_ratio], 'l');
doc.addImage(data, 'JPEG', 0, 0, width * pdf_ratio, height * pdf_ratio, i, 'FAST')
} else {
doc.addPage();
doc.addImage(data, 'JPEG', 0, 0, pdf_w, pdf_h, i, 'FAST')
}
if (i === 1) {
doc.deletePage(1);
}
await u.preview(i + 1, length);
}
console.log('处理完成', length);
}
/**
* @description 原创力 PPT 解析
* @author Mr.Fang
* @time 2024年2月21日
*/
const autoParsingPPT = async () => {
if (!localStorage.getItem("start")) {
u.preview(-1, null, "已终止");
return;
}
const page = Number(u.query('#PageIndex').innerText);
const total = Number(u.query('#PageCount').innerText);
const childNodes = u.query("#view").childNodes;
const count = childNodes.length;
const max_index = page - 1;
const current = u.query("#view" + max_index);
// 动作数量
const a_len = u.queryAll(`#view${max_index} #animt${max_index}>div`).length;
if (a_len !== 0) {
await u.sleep(1000);
}
const bgs = MF_RecursiveParsingImages(current);
await new Promise((resolve) => {
html2canvas(current, {
useCORS: true,
logging: false,
}).then(function(canvas) {
// 将canvas转换为图片并下载.
let data = canvas.toDataURL();
let fileName = max_index + "_" + a_len + ".png";
zipWriter.add(fileName, new zip.Data64URIReader(data));
// 添加PDF
// 794px*1123px ;
doc.addPage([canvas.width * pdf_ratio, canvas.height * pdf_ratio], 'l');
doc.addImage(data, 'JPEG', 0, 0, canvas.width * pdf_ratio, canvas.height *
pdf_ratio, max_index + "_" + a_len, 'FAST')
if (max_index === 1) {
doc.deletePage(1);
}
resolve();
});
})
if (a_len === 0) {
try {
const detail = bgs.map((item, i) => {
return zipWriter.add(max_index + "/" + i + ".png", new zip.HttpReader(item));
});
await Promise.all(detail);
zipWriter.add(max_index + "/" + "文本描述.txt", new zip.TextReader(current.innerText));
} catch (e) {
console.error(e);
}
}
u.preview(page, total);
const pageNext = u.query('#pageNext');
const btmRight = u.query('.btmRight');
if (page !== total) {
btmRight.click();
await autoParsingPPT();
}
}
/**
* 键盘事件 ←左 右→
*/
const triggerKeyEvent = (element, key = 'right', type) => {
var event = new KeyboardEvent(type, {
bubbles: true,
cancelable: true,
key: key,
keyCode: key === 'letf' ? 37 : 39, // 37是左箭头，39是右箭头
which: key === 'letf' ? 37 : 39
});
element.dispatchEvent(event);
}
/**
* @description 盛通教育 PPT 解析
* @author Mr.Fang
* @time 2024年5月10日
*/
const autoShengTongParsingPPT = async () => {
if (!localStorage.getItem("start")) {
u.preview(-1, null, "已终止");
return;
}
const current = u.query('#playerView > div:nth-child(2)');
current.style.transform = 'none'
const {
total,
page
} = await new Promise((resolve) => {
const childNodes = document.querySelector(
"#playerView > div:nth-child(2) > div:nth-child(1) > div").childNodes;
const total = childNodes.length - 1;
let page = 1;
childNodes.forEach((item, index) => {
if (item.childNodes.length > 0) {
page = index;
}
})
resolve({
total,
page
})
})
const max_index = page - 1;
// 动作数量
let a_len = 0;
if (max_index === Number(localStorage.getItem('currentPage'))) {
a_len = Number(localStorage.getItem('currentPageIndex')) + 1;
}
if (a_len !== 0) {
await u.sleep(1000);
}
const bgs = MF_RecursiveParsingImages(current);
await new Promise((resolve) => {
html2canvas(current, {
useCORS: true,
logging: false,
}).then(function(canvas) {
// 将canvas转换为图片并下载.
let data = canvas.toDataURL();
let fileName = `${max_index}_${a_len}.png`;
zipWriter.add(fileName, new zip.Data64URIReader(data));
// 添加PDF
// 794px*1123px ;
doc.addPage([canvas.width * pdf_ratio, canvas.height * pdf_ratio], 'l');
doc.addImage(data, 'JPEG', 0, 0, canvas.width * pdf_ratio, canvas.height *
pdf_ratio, max_index + "_" + a_len, 'FAST')
if (max_index === 1) {
doc.deletePage(1);
}
localStorage.setItem('currentPage', max_index);
localStorage.setItem('currentPageIndex', a_len);
resolve();
});
})
if (a_len === 0) {
try {
const detail = bgs.map((item, i) => {
return zipWriter.add(max_index + "/" + i + ".png", new zip.HttpReader(item));
});
await Promise.all(detail);
zipWriter.add(max_index + "/" + "文本描述.txt", new zip.TextReader(current.innerText));
} catch (e) {
console.error(e);
}
}
u.preview(page, total);
if (page !== total) {
triggerKeyEvent(document.body, 'right', 'keydown');
triggerKeyEvent(document.body, 'right', 'keyup');
await autoShengTongParsingPPT();
}
}
/**
* @description 轻竹办公
* @author Mr.Fang
* @time 2024年5月17日
*/
const handleQzoffice = async () => {
localStorage.removeItem('down')
// 递归遍历 DOM 节点
function traverseDOM(node, callback) {
if (node.nodeType === Node.ELEMENT_NODE) {
callback(node); // 调用回调函数处理当前节点
node = node.firstChild; // 获取第一个子节点
while (node) {
traverseDOM(node, callback); // 递归遍历子节点
node = node.nextSibling; // 获取下一个兄弟节点
}
}
}
// 查找具有指定属性的 <image> 元素
function findImagesWithAttribute(node) {
var images = [];
traverseDOM(node, function(element) {
if (element.tagName === 'image') {
images.push(element);
}
});
return images;
}
const template = document.getElementById("templateCanvas").cloneNode(true);
template.style.display = 'block';
template.style.height = '0px';
template.style.position = 'relative';
template.style.display = 'block';
// 在整个文档中查找具有指定属性的 <image> 元素
const images = findImagesWithAttribute(template);
const imageArray = [];
// 打印找到的元素
const blobs = [];
try {
images.forEach(async (image, i) => {
const animVal = image.href.animVal;
let is = imageArray.filter(item => item.href === animVal);
if (animVal && is.length === 0) {
image.setAttribute('xlink:href', `./images/${i}.png`)
imageArray.push({
name: `./images/${i}.png`,
href: animVal
})
const {
data,
width,
height
} = await MF_ImageToBase64(animVal);
zipWriter.add(`images/${i}.png`, new zip.Data64URIReader(data));
} else {
image.setAttribute('xlink:href', is[0].name)
}
});
} catch (e) {
console.log(e);
}
const avgArray = document.querySelectorAll(".child-element svg");
let content = [];
const outerHTML = template.outerHTML;
content.push(outerHTML);
for (let i = 0; i < avgArray.length; i++) {
const avgArrayElement = avgArray[i];
const cloneNode = avgArrayElement.cloneNode(true);
cloneNode.style.position = "static";
cloneNode.style.width = "100%";
cloneNode.style.height = "100%";
cloneNode.style.transform = "none";
const html = cloneNode.outerHTML;
content.push(
"<div classname=\"page-view\" style=\"width: 1200px; height: 820px;\">" +
html + "</div>");
}
// 添加 html
const htmlBlob = new Blob(['<!DOCTYPE html>' + content.join('\n\n')], {
type: "text/html;charset=utf-8"
});
zipWriter.add('index.html', new zip.BlobReader(htmlBlob))
zipWriter.add('index.txt', new zip.TextReader(document.querySelector('.texts').innerText))
}
/**
* @description 解析图片 [src]
* @author Mr.Fang
* @time 2024年2月2日
*/
const parseImage = async () => {
const images = u.queryAll(select);
if (!images.length) {
u.log('------>parseImage 暂无数据');
return;
}
const listData = [];
images.forEach((item) => {
let src = u.attr(item, 'data-src') || item.src;
if (src.includes('http:') && location.protocol === 'https') {
src = src.replace("http:", "https:")
} else if (src.startsWith("//")) {
src = "https:" + src;
}
if (src) {
const page = u.attr(item, 'data-page') || u.attr(item.parentElement, 'data-id');
listData.push({
page,
src
})
}
})
const store = JSON.stringify(listData);
u.logt(listData)
u.log('size:' + images.length);
GM_setValue('listData', store);
localStorage.setItem('listData', store)
u.log('--------->downimg');
localStorage.removeItem('current')
downimg()
}
/**
* @description 下载图片
* @author Mr.Fang
* @time 2024年2月2日
*/
const downimg = async () => {
const images = JSON.parse(GM_getValue('listData'));
const length = images.length;
localStorage.setItem('length', length);
let current = Number(localStorage.getItem("current")) || 0;
u.log('downimg----------->current:' + current)
for (let index = current; index < length; index++) {
const image = images[index];
const src = image.src;
if (src.includes(host)) { // 当前域
const {
data,
width,
height
} = await MF_ImageToBase64(src);
if (fileType.includes('ppt') || width > height) {
doc.addPage([width * pdf_ratio, height * pdf_ratio], 'l');
doc.addImage(data, 'JPEG', 0, 0, width * pdf_ratio, height * pdf_ratio, index, 'FAST')
} else {
doc.addPage();
doc.addImage(data, 'JPEG', 0, 0, pdf_w, pdf_h, index, 'FAST')
}
if (index === 1) {
doc.deletePage(1);
}
zipWriter.add(index + ".png", new zip.Data64URIReader(data));
current = index;
await u.preview(current, length);
} else {
const url = new URL(src);
const attrId = url.host.replaceAll(".", "")
const query = document.getElementById('#' + attrId);
if (query) { // 框架是否存在
parentMessage(src, "#" + attrId);
} else {
const el = u.createEl("#" + attrId, 'iframe');
el.src = url.origin + '?custom=true';
el.style.visibility = "hidden";
document.body.append(el);
}
localStorage.setItem('current', index + "");
u.preview(current, length);
break;
}
}
// 非当前域下载文件下标会多加一个数值
if (localStorage.getItem("current")) {
current -= 1;
}
console.log('current', current);
if (current === length - 1) {
conditionDownload();
}
}
/**
* bg pdf 下载
*/
const downBgImg = async () => {
const els = u.queryAll(select);
const length = els.length;
for (let i = 0; i < length; i++) {
let item = els[i];
const {
data,
width,
height
} = await MF_ImagePositionToBase64(item);
if (data === -1) {
break;
}
if (fileType.includes('ppt') || width > height) {
doc.addPage([width * pdf_ratio, height * pdf_ratio], 'l');
doc.addImage(data, 'JPEG', 0, 0, width * pdf_ratio, height * pdf_ratio, index, 'FAST')
} else {
doc.addPage();
doc.addImage(data, 'JPEG', 0, 0, pdf_w, pdf_h, i, 'FAST')
}
if (i === 1) {
doc.deletePage(1);
}
zipWriter.add(i + ".png", new zip.Data64URIReader(data));
await u.preview(i + 1, length);
}
// 非当前域下载文件下标会多加一个数值
conditionDownload();
}
/**
* @param {String} url 请求地址
*/
const requestGet = (url) => {
return new Promise((resolve, reject) => {
var xhr = new XMLHttpRequest();
xhr.open("GET", url, true);
// xhr.setRequestHeader("Content-Type", "application/json");
xhr.onreadystatechange = function() {
if (xhr.readyState === 4) {
if (xhr.status === 206 || xhr.status === 200) {
try {
let responseText = xhr.responseText;
let result = responseText.substring(responseText.indexOf('\(') + 1,
responseText.length - 1);
u.log(result)
resolve(JSON.parse(result));
} catch (e) {
reject(e);
}
} else {
reject(new Error(`HTTP status code ${xhr.status}`));
}
}
};
xhr.onerror = function() {
reject(new Error("Network error"));
};
xhr.send();
});
}
/**
* 复制到剪切板
* @param text
*/
const copyToClipboard = (text) => {
var input = document.createElement("textarea");
input.value = text;
document.body.appendChild(input);
input.select();
document.execCommand("copy");
document.body.removeChild(input);
}
/**
* @description 通过接口获取文本内容
* @author Mr.Fang
* @time 2024年2月20日
*/
const fullText = async () => {
let text = '';
if (host.includes(domain.wenku)) {
const pageData = JSON.parse(localStorage.getItem('pageData'));
if (pageData) {
for (var i = 0; i < pageData.length; i++) {
let url = pageData[i].src;
let resultData = await requestGet(url);
if (resultData instanceof Array) {
text += resultData[0].parags[0].c;
} else {
resultData.body.forEach(item => {
if (typeof item.c === "string") {
text += item.c;
}
})
}
}
} else {
text = u.query('.ql-editor').innerText;
}
} else if (host.includes(domain.mbalib)) {
const texts = u.queryAll('#viewer .textLayer');
for (var i = 0; i < texts.length; i++) {
let t = texts[i];
text += `\n\n====第${i+1}页====\n\n`;
if (fileType.includes('doc')) {
text += t.innerText;
} else {
text += t.textContent;
}
}
} else if (host.includes(domain.doc88)) {
const texts = Core.api._pK;
for (var i = 0; i < texts.length; i++) {
text += `\n\n====第${i+1}页====\n\n` + texts[i];
}
} else if (host.includes(domain.taodocs)) {
const texts = u.queryAll('#canvas .textLayer');
for (var i = 0; i < texts.length; i++) {
let t = texts[i];
text += `\n\n====第${i+1}页====\n\n`;
text += t.innerText;
}
}
MF_ExportTxt(text, `${title}.txt`);
}
/**
* @description 下载压缩包，包含图片
* @author Mr.Fang
* @time 2024年2月2日
*/
const downzip = () => {
zipWriter.close().then(blob => {
// 在关闭旧的 ZipWriter 后，创建新的 ZipWriter
zipWriter = new zip.ZipWriter(new zip.BlobWriter("application/zip"), {
bufferedWrite: true,
useCompressionStream: false
});
GM_download(URL.createObjectURL(blob), `${title}.zip`);
URL.revokeObjectURL(blob);
}).catch(error => {
console.error(error);
});
}
/**
* @description 下载 PDF
* @author Mr.Fang
* @time 2024年2月2日
*/
const downpdf = () => {
// 下载 PDF 文件
doc.save(`${title}.pdf`, {
returnPromise: true
});
}
/**
* @description 下载 txt 文本
* @author Mr.Fang
* @time 2024年2月2日
*/
const downtxt = () => {
const images = JSON.parse(GM_getValue('listData'));
const text = images.map(item => {
return item.src
}).join("\n");
MF_ExportTxt(text, `${title}.txt`);
}
/**
* @description 递归加载子节点，获取子节点背景，img 属性值
* @author Mr.Fang
* @time 2024年1月20日18:05:49
* @param children
* @returns {*[]}
*/
const MF_RecursiveParsingImages = (children) => {
const list = [];
if (children.childNodes.length) {
children.childNodes.forEach(item => {
if (item || item instanceof HTMLImageElement) {
if (item instanceof HTMLImageElement) { // 图片
let src = item.src;
list.push(src);
} else if (item.style) {
let bgi = item.style.backgroundImage;
if (bgi && bgi !== 'initial' && bgi.includes('url')) {
let src = bgi.substring(bgi.indexOf("\"") + 1, bgi.lastIndexOf("\""));
src = src.indexOf("/") === 0 ? src : "/" + src;
list.push(origin + src);
}
}
if (item.childNodes.length) {
const images = MF_RecursiveParsingImages(item);
list.push(...images);
}
}
})
}
return list;
}
/**
* @description 导出 txt 文件
* @author Mr.Fang
* @time 2024年1月20日18:05:49
* @param {Object} data 数据
* @param {Object} filename 文件名
*/
const MF_ExportTxt = (data, filename) => {
const csvContent = "data:text/txt;charset=utf-8," + data;
const encodedUri = encodeURI(csvContent);
const link = document.createElement("a");
link.setAttribute("href", encodedUri);
link.setAttribute("download", filename);
// 点击链接以下载文件
document.body.appendChild(link);
link.click();
document.body.removeChild(link);
}
/**
* @description 加载图片
* @author Mr.Fang
* @time 2024年1月20日18:05:49
* @param src 图片地址
* @returns {Promise<unknown>}
*/
const MF_ImageToBase64 = (src) => {
return new Promise((resolve, reject) => {
// 1、创建 Image 对象
const image = new Image();
// 2、onload 加载成功触发
image.onload = function() {
try {
let canvas = u.createEl('', 'canvas');
const {
width,
height
} = image;
canvas.width = width;
canvas.height = height;
let context = canvas.getContext('2d');
context.drawImage(image, 0, 0, width, height);
const data = canvas.toDataURL();
resolve({
data,
width,
height
});
} catch (e) {
reject(e);
}
}
image.onerror = reject;
image.src = src;
})
}
/**
* @description 基于背景图片定位，转画布
* @author Mr.Fang
* @time 2024年3月13日
* @param src 图片地址
* @returns {Promise<unknown>}
*/
const MF_ImagePositionToBase64 = (el) => {
const base_gb = "http://c.gb688.cn/bzgk/gb/";
// 父节点
const {
x,
y
} = el.getBoundingClientRect();
// 所有子节点
const childrens = el.children;
// 背景图片地址处理
const imageUrl = childrens[0].style.backgroundImage;
const fullUrl = base_gb + imageUrl.substring(5, imageUrl.length - 2);
if (!imageUrl) {
return new Promise((resolve, reject) => {
resolve({
data: -1
})
})
}
return new Promise((resolve, reject) => {
// 1、创建 Image 对象
const image = new Image();
// 2、onload 加载成功触发
image.onload = function() {
try {
let canvas = u.createEl('', 'canvas');
canvas.width = 1190;
canvas.height = 1680;
// 获取上下文对象
const ctx = canvas.getContext('2d');
ctx.fillStyle = "#fff";
ctx.fillRect(0, 0, canvas.width, canvas.height);
for (var i = 0; i < childrens.length; i++) {
const child = childrens[i];
const pos = child.style.backgroundPosition.split(' ');
const sx = Math.abs(pos[0].replace('px', ''));
const sy = Math.abs(pos[1].replace('px', ''));
const rect = child.getBoundingClientRect();
const dx = rect.x - x;
const dy = rect.y - y;
const {
width: sw,
height: sh
} = rect;
ctx.drawImage(image, sx, sy, sw, sh, dx, dy, sw, sh);
if (i === childrens.length - 1) {
// 转 base64 输出
const data = canvas.toDataURL();
resolve({
data,
width: canvas.width,
height: canvas.height
});
}
}
} catch (e) {
reject(e);
}
}
image.onerror = reject;
image.src = fullUrl;
})
}
/**
* @description 画布输出 base64
* @author Mr.Fang
* @time 2024年1月20日18:05:49
* @param src 图片地址
* @returns {Promise<unknown>}
*/
const MF_CanvasToBase64 = (canvas) => {
return new Promise((resolve, reject) => {
const {
width,
height
} = canvas;
const data = canvas.toDataURL();
resolve({
data,
width,
height
});
})
}
})();