// ==UserScript==
// @name Cmpedu Resource Downloader
// @namespace http://tampermonkey.net/
// @version 2.0
// @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';
// 样式注入
GM_addStyle(`
.cmp-panel { position: fixed; top: 20px; right: 20px; width: 300px; max-height: 70vh; background: #ced6e0; border-radius: 12px; box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15); z-index: 99999; font-family: 'Segoe UI', system-ui, sans-serif; overflow: hidden; transition: transform 0.2s ease; }
.panel-header { padding: 16px; background: #a4b0be; border-bottom: 1px solid #747d8c; display: flex; justify-content: space-between; align-items: center; }
.panel-title { margin: 0; font-size: 16px; color: #1a1a1a; font-weight: 600; }
.close-btn { background: none; border: none; cursor: pointer; color: #6b7280; font-size: 24px; line-height: 1; padding: 4px; transition: color 0.2s; }
.close-btn:hover { color: #1a1a1a; }
.panel-content { padding: 16px; max-height: calc(70vh - 73px); overflow-y: auto; }
.resource-item { padding: 12px 0; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid #f0f0f0; cursor: pointer; }
.resource-item:hover { color: #1e90ff; }
.resource-item:last-child { border-bottom: none; }
.skeleton {
background: #f2f2f2;
border-radius: 4px;
height: 20px;
width: 100%;
margin-bottom: 12px;
animation: pulse 1.5s infinite;
}
.skeleton:last-child { margin-bottom: 0; }
.error-message { color: #dc3545; display: flex; align-items: center; gap: 8px; padding: 12px; background: #fff5f5; border-radius: 8px; margin: 8px 0; }
@keyframes skeleton-loading {
0% { background-position: 200% 0; }
100% { background-position: -200% 0; }
}
@media (max-width: 480px) { .cmp-panel { width: 90%; right: 5%; left: auto; top: 10px; } }
`);
// 基础配置
const isMobile = window.location.host.startsWith('m.');
const baseUrl = isMobile ? 'http://m.cmpedu.com' : 'http://www.cmpedu.com';
const panelId = "downloadPanel";
function extractBookId() {
if (window.location.href.includes('books/book')) {
return window.location.pathname.split("/").pop().split(".")[0];
}
if (window.location.href.includes('ziyuans/ziyuan')) {
const el = document.getElementById('BOOK_ID');
return el ? el.value : null;
}
return null;
}
function createPanel() {
const panel = document.createElement('div');
panel.id = panelId;
panel.className = 'cmp-panel';
panel.innerHTML = `
<div class="panel-header">
<h3 class="panel-title">资源下载</h3>
<button class="close-btn" aria-label="关闭">×</button>
</div>
<div class="panel-content">
<div class="skeleton"></div>
<div class="skeleton"></div>
<div class="skeleton"></div>
</div>
`;
document.body.appendChild(panel);
panel.querySelector('.close-btn').addEventListener('click', () => panel.remove());
return panel;
}
function updatePanelContent(panel, content) {
const panelContent = panel.querySelector('.panel-content');
panelContent.innerHTML = content;
}
function createResourceItem(title) {
return `
<div class="resource-item">
<strong style="flex: 1;">${title}</strong>
</div>
`;
}
function updateResourceItem(panel, index, content, downloadLink) {
const items = panel.querySelectorAll('.resource-item');
if(items[index]) {
const item = items[index];
item.innerHTML = `<strong style="flex: 1;">${content}</strong>`;
item.style.cursor = 'pointer';
item.setAttribute('data-download-link', downloadLink);
item.onclick = () => window.open(downloadLink, '_blank');
} else {
// If we don't have an existing item, append a new one
const panelContent = panel.querySelector('.panel-content');
const newItem = document.createElement('div');
newItem.className = 'resource-item';
newItem.innerHTML = `<strong style="flex: 1;">${content}</strong>`;
newItem.style.cursor = 'pointer';
newItem.setAttribute('data-download-link', downloadLink);
newItem.onclick = () => window.open(downloadLink, '_blank');
panelContent.appendChild(newItem);
}
}
function processResourceResponse(response, title) {
const downloadLinks = response.responseText.match(/window\.location\.href=\'(https?:\/\/[^\'"]+)\'/);
if (downloadLinks) {
return [title, downloadLinks[1]];
}
return [null, null];
}
// 主逻辑
const bookId = extractBookId();
if (!bookId) {
console.error("无法提取 BOOK_ID");
return;
}
const resourceUrl = `${baseUrl}/ziyuans/index.htm?BOOK_ID=${bookId}`;
const panel = createPanel();
GM_xmlhttpRequest({
method: "GET",
url: resourceUrl,
onload: function(response) {
const parser = new DOMParser();
const doc = parser.parseFromString(response.responseText, "text/html");
const resourceDivs = doc.querySelectorAll("div.row.gjzy_list");
const resources = Array.from(resourceDivs).map(div => {
return {
title: div.querySelector("div.gjzy_listRTit")?.textContent.trim() || "未知资源",
resourceId: div.querySelector("a")?.href.split("/").pop().split(".")[0]
};
});
if (resources.length === 0) {
updatePanelContent(panel, "<strong>未找到资源。</strong>");
return;
}
// Clear skeleton placeholders before adding real content
updatePanelContent(panel, '');
resources.forEach(({ title, resourceId }, index) => {
const downloadUrl = `${baseUrl}/ziyuans/d_ziyuan.df?id=${resourceId}`;
GM_xmlhttpRequest({
method: "GET",
url: downloadUrl,
headers: {
"Accept-Encoding": "gzip, deflate",
"Connection": "keep-alive",
"Accept": "text/html, */*; q=0.01",
"User-Agent": "Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_3_3 like Mac OS X; en-us) AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8J2 Safari/6533.18.5",
"Accept-Language": "en-US,en;q=0.9",
"X-Requested-With": "XMLHttpRequest"
},
onload: function(response) {
const [resourceTitle, downloadLink] = processResourceResponse(response, title);
if (resourceTitle) {
updateResourceItem(panel, index, resourceTitle, downloadLink);
} else {
updateResourceItem(panel, index, `${title} - 链接解析失败`, null);
}
},
onerror: function() {
updateResourceItem(panel, index, `${title} - 请求失败`, null);
}
});
});
},
onerror: function() {
updatePanelContent(panel, "<strong>获取资源页面失败。</strong>");
}
});
})();
