浮窗看小说
// ==UserScript==
// @name 浮窗看小说
// @namespace myBook
// @version 0.1.4
// @description 1、在任意网页按下组合键“Ctrl+Shift+Z”，提示书架选择小说或输入小说网址 2、看小说时按下组合键“Ctrl+Shift+Z”可隐藏和显示悬浮窗 3、按"->"看下一章 4、按↑键看新书
// @author Lei
// @match *://*/*
// @grant GM_xmlhttpRequest
// @grant GM_setValue
// @grant GM_getValue
// ==/UserScript==
(function () {
'use strict';
console.log('按下组合键“Ctrl+Shift+Z”开始看小说')
var docu //当前小说document
var bookObj
// 创建悬浮窗的 HTML 结构
var floatingWindow = document.createElement('div');
floatingWindow.id = 'floatingWindow';
floatingWindow.style.position = 'fixed';
floatingWindow.style.top = '50px';
floatingWindow.style.left = '50px';
floatingWindow.style.width = '350px';
floatingWindow.style.height = '450px';
floatingWindow.style.backgroundColor = '#f0f0f0';
floatingWindow.style.border = '1px solid #ccc';
floatingWindow.style.overflow = 'auto'; // 添加滚动条
floatingWindow.style.zIndex = '9999';
floatingWindow.style.textAlign = 'left'; // 设置内容靠左对齐
let isDragging = false;
let offsetX = 0;
let offsetY = 0;
floatingWindow.addEventListener('mousedown', (e) => {
if (e.button === 2) {
e.preventDefault(); // 阻止默认右键菜单弹出
isDragging = true;
offsetX = e.clientX - floatingWindow.getBoundingClientRect().left;
offsetY = e.clientY - floatingWindow.getBoundingClientRect().top;
}
});
document.addEventListener('mousemove', (e) => {
if (isDragging) {
floatingWindow.style.left = (e.clientX - offsetX) + 'px';
floatingWindow.style.top = (e.clientY - offsetY) + 'px';
}
});
document.addEventListener('mouseup', (e) => {
if (isDragging && e.button === 2) {
isDragging = false;
}
});
document.addEventListener('contextmenu', (e) => {
if (isDragging) {
e.preventDefault(); // 阻止右键菜单在拖动期间的弹出
}
});
// 监听键盘按下事件
var tabCount = 0 //按下次数
var fwHide = false //表示悬浮窗隐藏
document.addEventListener('keydown', function (event) {
if (event.code === 'KeyZ' && event.ctrlKey && event.shiftKey) {
console.log("监听到按下组合键“Ctrl+Shift+Z”");
if (tabCount === 0) {
selectBook();
tabCount++;
} else {
hideFW();
tabCount++;
}
}
});
// 监听键盘方向键按下事件
var link //待跳转链接
document.addEventListener('keydown', function (event) {
switch (event.key) {
case 'ArrowUp':
getUrl(null) //看新书
break;
case 'ArrowDown':
// handleArrowDown();
break;
case 'ArrowLeft': //上一章
link = getLastChapterLink()
if (link != null) {
console.log('跳转到上一页/章：' + link)
deleteBook(bookObj.bookURL) //删除书签
getUrl(link) //跳转
} else {
alert('未找到下一章/页')
}
break;
case 'ArrowRight': //下一章
link = getNextChapterLink()
if (link != null) {
console.log('跳转到下一页/章：' + link)
deleteBook(bookObj.bookURL) //删除上一章的书签
getUrl(link) //跳转
} else {
alert('未找到下一章/页')
}
break;
default:
break;
}
});
/************以上为悬浮窗结构 ************/
// 定义函数：隐藏或显示悬浮窗
function hideFW() {
if (fwHide) {
floatingWindow.style.display = 'block'; // 显示悬浮窗
console.log('显示悬浮窗')
fwHide = false;
} else {
floatingWindow.style.display = 'none'; // 隐藏悬浮窗
console.log('隐藏悬浮窗')
fwHide = true;
}
}
// 将章节名和正文内容放入悬浮窗
function showBook(chapterTitle, chapterContent) {
floatingWindow.innerHTML = `
<div style="padding: 10px;">
<h2>${chapterTitle}</h2><br>
<p>${chapterContent}</p>
</div>
`;
document.body.appendChild(floatingWindow);
}
// 存储小说信息
function storeBook(bookName, chapterName, bookURL) {
const bookshelf = GM_getValue('bookshelf', []);
const bookInfo = { bookName, chapterName, bookURL };
bookshelf.push(bookInfo);
GM_setValue('bookshelf', bookshelf);
console.log(`小说${bookName}已存储。`);
return bookInfo
}
// 删除小说信息
function deleteBook(index) {
const bookshelf = GM_getValue('bookshelf', []);
let deletedBook = null; // 用于存储已删除的书籍信息
if (index >= 0 && index < bookshelf.length) {
deletedBook = bookshelf.splice(index-1, 1)[0];
GM_setValue('bookshelf', bookshelf);
console.log(`小说${deletedBook.bookName}已删除。`);
} else {
for (let i = bookshelf.length - 1; i >= 0; i--) {
const book = bookshelf[i];
if (book.bookName === index || book.chapterName === index || book.bookURL === index) {
deletedBook = bookshelf.splice(i, 1)[0];
console.log(`小说${deletedBook.bookName}已删除。`);
break; // 找到匹配的书籍后即停止遍历
}
}
}
if (deletedBook) {
const deletedBooksNamespace = GM_getValue('deletedBooks', []);
deletedBooksNamespace.push(deletedBook);
GM_setValue('deletedBooks', deletedBooksNamespace);
}
}
// 弹窗选择小说
function selectBook() {
const bookshelf = GM_getValue('bookshelf', []);
if (bookshelf.length === 0) {
alert('书架中没有存储的小说。');
getUrl(null)
return;
}
const bookOptions = bookshelf.map((bookInfo, index) => {
return `${index + 1}. ${bookInfo.bookName} - ${bookInfo.chapterName}`;
});
bookOptions.push('0. 删除小说');
const selectedOption = prompt(`请选择小说：\n${bookOptions.join('\n')}\n\n请输入小说编号：`);
if (selectedOption !== null) {
const selectedIndex = parseInt(selectedOption) - 1;
if (selectedIndex === -1) {
const deletedIndex = prompt('请输入要删除的小说编号：');
if (deletedIndex !== null) {
const deletedIndexInt = parseInt(deletedIndex);
if (!isNaN(deletedIndexInt)) {
deleteBook(deletedIndexInt);
} else {
alert('无效的小说编号。');
}
}
} else if (!isNaN(selectedIndex) && selectedIndex >= 0 && selectedIndex < bookshelf.length) {
const selectedBook = bookshelf[selectedIndex];
console.log(`已选择小说：${selectedBook.bookName}`);
//看书
fetchAndConvertToDocument(selectedBook.bookURL)
.then(doc => {
docu = doc
//识别小说正文
const chapterContent = extractChapterContent();
console.log(selectedBook.chapterName)
bookObj = selectedBook
showBook(selectedBook.chapterName, chapterContent)
})
return selectedBook.bookURL;
} else {
alert('无效的小说编号。');
}
}
}
//向网址url发起请求
function fetchAndConvertToDocument(url) {
return new Promise((resolve, reject) => {
GM_xmlhttpRequest({
method: "GET",
url: url,
onload: function (response) {
if (response.status === 200) {
const parser = new DOMParser();
const doc = parser.parseFromString(response.responseText, "text/html");
resolve(doc); // 将解析后的Document对象作为Promise的结果
} else {
reject(new Error("Request failed with status: " + response.status));
}
},
onerror: function (error) {
reject(new Error("Request error: " + error));
}
});
});
}
// 获取小说网址
function getUrl(url) {
let novelURL
if (url != null) { novelURL = url } else { novelURL = prompt("请输入小说网址："); }
if (novelURL) {
fetchAndConvertToDocument(novelURL)
.then(doc => {
// console.log("获取并转换为Document对象成功:", doc);
docu = doc
//判断网址是否是小说网址
// 获取当前网页的标题和URL
const pageTitle = docu.title.toLowerCase();
const pageURL = novelURL;
// 检查页面标题和URL中是否包含小说关键词
const novelKeywords = ['小说', '小說', '小说网', '小說網', '小说站', '小說站', '小说阅读', '小說閱讀', '笔趣阁', '筆趣閣', '起点', '纵横', '17k', '搜狐阅读', '阅文集团', '轻小说', '言情小说', '修真', '玄幻', '都市', '言情', '穿越', '奇幻', '历史'];
const isNovelSite = novelKeywords.some(keyword => pageTitle.includes(keyword) || pageURL.includes(keyword));
if (!isNovelSite) {
alert('无效的小说网址');
return
}
//识别小说名称
//...
//识别小说章节
// 尝试提取类似“第?章*”的章节标题
const chapterTitleRegex = /第.+章.+/;
const bodyText = docu.body.textContent;
const matchedChapterTitle = bodyText.match(chapterTitleRegex);
if (!matchedChapterTitle) { alert('未识别到小说章节'); return }
const chapterTitle = matchedChapterTitle[0].trim();
//存储进书架
let bookName
if(url != null){
bookName = bookObj.bookName
}else{
bookName = '《' + prompt("请输入小说名称：") + '》'
}
let bookInfo = storeBook(bookName, chapterTitle, novelURL)
console.log(bookName + ' ' + chapterTitle + ' 存入书架成功')
//识别小说正文
const chapterContent = extractChapterContent();
//看书
bookObj = bookInfo
showBook(chapterTitle, chapterContent)
})
.catch(error => {
console.error("发生错误:", error);
});
} else {
console.log("未输入网址，操作已取消。");
}
}
// 提取本章正文内容
function extractChapterContent() {
const divElements = docu.querySelectorAll('div'); // 获取所有 <div> 元素
let maxLineBreaks = 0;
let content = '';
// 遍历所有 <div> 元素，找到换行最多的一个
divElements.forEach(div => {
// 排除含有嵌套 <div> 的情况
if (!div.querySelector('div')) {
const lineBreaks = (div.innerHTML.match(/<br>/g) || []).length;
if (lineBreaks > maxLineBreaks) {
maxLineBreaks = lineBreaks;
content = div.innerHTML.trim();
}
}
});
return content;
}
//下一章
function getNextChapterLink() {
const links = docu.querySelectorAll('a'); // 获取所有超链接元素
let nextChapterLink = null;
// 遍历超链接元素，查找下一章的超链接
for (const link of links) {
const linkText = link.textContent.toLowerCase();
if (linkText.includes('下一章') || linkText.includes('下一页')) {
const linkHref = link.getAttribute('href'); // 获取超链接的 href 属性
if (linkHref) {
const baseHost = new URL(bookObj.bookURL).origin; // 获取基本地址（域名）
nextChapterLink = new URL(linkHref, baseHost).href; // 构建完整地址
break;
}
}
}
return nextChapterLink;
}
//上一章
function getLastChapterLink() {
const links = docu.querySelectorAll('a'); // 获取所有超链接元素
let nextChapterLink = null;
// 遍历超链接元素，查找下一章的超链接
for (const link of links) {
const linkText = link.textContent.toLowerCase();
if (linkText.includes('上一章') || linkText.includes('上一页')) {
const linkHref = link.getAttribute('href'); // 获取超链接的 href 属性
if (linkHref) {
const baseHost = new URL(bookObj.bookURL).origin; // 获取基本地址（域名）
nextChapterLink = new URL(linkHref, baseHost).href; // 构建完整地址
break;
}
}
}
return nextChapterLink;
}
})();