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cmpedu-downloader.user.js
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cmpedu-downloader.user.js
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// ==UserScript==
// @name Cmpedu Resource Downloader
// @namespace http://tampermonkey.net/
// @version 1.3
// @description 机械工业出版社教育服务网资源下载，无需登录，无需教师权限，油猴脚本。
// @author yanyaoli
// @match *://*.cmpedu.com/ziyuans/ziyuan/*
// @match *://*.cmpedu.com/books/book/*
// @connect *.cmpedu.com
// @grant GM_xmlhttpRequest
// @grant GM_addStyle
// ==/UserScript==
(function () {
'use strict';
// 动态设置 baseUrl，支持 www 和 m 域名
const isMobile = window.location.host.startsWith('m.');
const baseUrl = isMobile ? 'http://m.cmpedu.com' : 'http://www.cmpedu.com';
/**
* 提取页面中的书籍 ID (BOOK_ID)
* 适配两种路径：
* - http://www.cmpedu.com/books/book/12345.htm
* - http://www.cmpedu.com/ziyuans/ziyuan/12345.htm
*/
let bookId = null;
if (window.location.href.includes('books/book')) {
bookId = window.location.pathname.split("/").pop().split(".")[0];
} else if (window.location.href.includes('ziyuans/ziyuan')) {
const bookIdElement = document.getElementById('BOOK_ID');
bookId = bookIdElement ? bookIdElement.value : null;
}
if (!bookId) {
console.error("无法提取 BOOK_ID");
return;
}
// 资源页面 URL
const resourceUrl = `${baseUrl}/ziyuans/index.htm?BOOK_ID=${bookId}`;
const panelId = "downloadPanel";
/**
* 创建显示下载链接的 UI 面板
*/
const createPanel = () => {
const panel = document.createElement('div');
panel.id = panelId;
panel.style = `
position: fixed;
top: 20px;
left: 20px;
width: 400px;
max-height: 70vh;
overflow-y: auto;
background: #ffffff;
box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
border-radius: 10px;
padding: 15px;
font-family: Arial, sans-serif;
font-size: 14px;
line-height: 1.5;
color: #333;
z-index: 10000;
`;
panel.innerHTML = `<strong>正在加载资源...</strong>`;
document.body.appendChild(panel);
};
/**
* 更新面板内容
* @param {string} content 要更新的 HTML 内容
*/
const updatePanel = (content) => {
const panel = document.getElementById(panelId);
if (panel) panel.innerHTML = content;
};
createPanel();
/**
* 发送请求获取资源页面并解析内容
*/
GM_xmlhttpRequest({
method: "GET",
url: resourceUrl,
onload: function (response) {
const parser = new DOMParser();
const doc = parser.parseFromString(response.responseText, "text/html");
// 查找所有资源列表
const resourceDivs = doc.querySelectorAll("div.row.gjzy_list");
const resources = Array.from(resourceDivs).map(div => {
const title = div.querySelector("div.gjzy_listRTit")?.textContent.trim() || "未知资源";
const resourceId = div.querySelector("a")?.href.split("/").pop().split(".")[0];
return { title, resourceId };
});
if (resources.length === 0) {
updatePanel("<strong>未找到资源。</strong>");
return;
}
let downloadLinksText = "";
let pendingRequests = resources.length;
// 遍历资源，获取每个资源的下载链接
resources.forEach(({ title, resourceId }) => {
const downloadUrl = `${baseUrl}/ziyuans/d_ziyuan.df?id=${resourceId}`;
GM_xmlhttpRequest({
method: "GET",
url: downloadUrl,
headers: {
"Accept-Encoding": "gzip, deflate",
"Connection": "keep-alive",
"Accept": "text/html, */*; q=0.01",
"User-Agent": "Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_3_3 like Mac OS X; en-us) AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8J2 Safari/6533.18.5",
"Accept-Language": "en-US,en;q=0.9",
"X-Requested-With": "XMLHttpRequest"
},
onload: function (response) {
// 匹配 window.location.href 的下载链接
const downloadLinks = response.responseText.match(/window\.location\.href=\'(https?:\/\/[^\'"]+)\'/);
if (downloadLinks) {
const downloadLink = downloadLinks[1];
downloadLinksText += `
<div style="margin-bottom: 20px; display: flex; align-items: center;">
<strong style="flex: 1;">${title}</strong>
<a href="${downloadLink}" target="_blank" style="text-decoration: none;">
<button style="
display: flex;
align-items: center;
background: #007BFF;
color: #fff;
border: none;
border-radius: 5px;
padding: 10px 15px;
cursor: pointer;
font-size: 14px;
transition: background 0.3s;
" onmouseover="this.style.background='#0056b3'" onmouseout="this.style.background='#007BFF'">
<svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke="currentColor" style="width: 20px; height: 20px; margin-right: 5px;">
<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 16v1a2 2 0 002 2h12a2 2 0 002-2v-1M8 10l4 4m0 0l4-4m-4 4V4" />
</svg>
下载
</button>
</a>
</div>`;
} else {
downloadLinksText += `
<div style="margin-bottom: 20px; color: red;">
<strong>${title}</strong><br>
未找到下载链接！
</div>`;
}
pendingRequests--;
if (pendingRequests === 0) {
updatePanel(downloadLinksText || "<strong>未找到有效的下载链接。</strong>");
}
},
onerror: function () {
downloadLinksText += `
<div style="margin-bottom: 20px; color: red;">
<strong>${title}</strong><br>
请求下载链接失败！
</div>`;
pendingRequests--;
if (pendingRequests === 0) {
updatePanel(downloadLinksText || "<strong>未找到有效的下载链接。</strong>");
}
}
});
});
},
onerror: function () {
updatePanel("<strong>获取资源页面失败。</strong>");
}
});
})();