在H图书馆网站上添加爬虫功能
// ==UserScript==
// @name H图书馆爬虫
// @namespace xzyl4303
// @version 1.0
// @description 在H图书馆网站上添加爬虫功能
// @author xzyl4303
// @match https://hlib.cc/n/*
// @grant none
// ==/UserScript==
(function() {
'use strict';
// 创建菜单栏
const menuBar = document.createElement('div');
menuBar.style.position = 'fixed';
menuBar.style.top = '0';
menuBar.style.left = '0';
menuBar.style.height = '100%';
menuBar.style.width = '4%';
menuBar.style.backgroundColor = '#333';
menuBar.style.color = '#fff';
menuBar.style.padding = '10px 0';
menuBar.style.display = 'flex';
menuBar.style.flexDirection = 'column';
menuBar.style.alignItems = 'center';
menuBar.style.zIndex = '9999';
menuBar.style.boxShadow = '2px 0 4px rgba(0, 0, 0, 0.2)';
menuBar.style.transition = 'transform 0.3s ease';
// 创建收缩/展开按钮
const toggleBtn = document.createElement('button');
toggleBtn.textContent = '≡';
toggleBtn.style.position = 'fixed';
toggleBtn.style.top = '10px';
toggleBtn.style.left = '4%';
toggleBtn.style.backgroundColor = '#333';
toggleBtn.style.color = '#fff';
toggleBtn.style.border = 'none';
toggleBtn.style.padding = '10px';
toggleBtn.style.cursor = 'pointer';
toggleBtn.style.zIndex = '10000';
toggleBtn.style.width = '4%';
toggleBtn.addEventListener('click', () => {
if (menuBar.style.transform === 'translateX(-100%)') {
menuBar.style.transform = 'translateX(0)';
toggleBtn.style.left = '4%';
} else {
menuBar.style.transform = 'translateX(-100%)';
toggleBtn.style.left = '0';
}
});
// 创建按钮的通用样式
function createButton(text, backgroundColor, onClick) {
const button = document.createElement('button');
button.textContent = text;
button.style.marginBottom = '10px';
button.style.padding = '10px 0';
button.style.border = 'none';
button.style.backgroundColor = backgroundColor;
button.style.color = '#fff';
button.style.cursor = 'pointer';
button.style.width = '90%';
button.style.textAlign = 'center';
button.addEventListener('click', onClick);
return button;
}
// 添加保存按钮
const saveBtn = createButton('保存', '#4CAF50', saveContent);
// 添加清除所有按钮
const clearAllBtn = createButton('清除全部', '#f44336', () => {
localStorage.removeItem('savedContent');
console.log('已清除所有保存的内容');
printSavedContent();
});
// 添加清除最近按钮
const clearRecentBtn = createButton('清除最近', '#f44336', clearRecentContent);
// 添加勾选框
const checkBoxLabel = document.createElement('label');
checkBoxLabel.textContent = '添加标题';
checkBoxLabel.style.marginBottom = '10px';
checkBoxLabel.style.display = 'flex';
checkBoxLabel.style.alignItems = 'center';
checkBoxLabel.style.width = '90%';
checkBoxLabel.style.color = '#fff';
checkBoxLabel.style.justifyContent = 'center';
const checkBox = document.createElement('input');
checkBox.type = 'checkbox';
checkBox.style.marginRight = '5px';
checkBoxLabel.prepend(checkBox);
// 创建下载按钮
const downloadBtn = createButton('下载', '#2196F3', downloadLocalStorageContent);
// 创建下一页按钮
let nextPageBtn = null;
const nextPageButtons = document.querySelectorAll('.btn.btn-primary.py-2, .btn.btn-light.py-2.me-3');
nextPageButtons.forEach(button => {
if (button.onclick) {
nextPageBtn = createButton('下一页', '#FF9800', button.onclick);
}
});
// 创建下一章按钮
let nextChapterBtn = null;
const paginationElement = document.querySelector('.row.pagination.mb-3');
if (paginationElement) {
const listItems = paginationElement.querySelectorAll('li');
if (listItems.length > 0) {
const nextChapterUrl = listItems.length === 1
? listItems[0].querySelector('a').href
: listItems[1].querySelector('a').href;
nextChapterBtn = createButton('下一章', '#8E44AD', () => {
window.location.href = nextChapterUrl;
});
}
}
// 添加菜单栏到页面
menuBar.appendChild(saveBtn);
menuBar.appendChild(clearAllBtn);
menuBar.appendChild(clearRecentBtn);
menuBar.appendChild(checkBoxLabel);
menuBar.appendChild(downloadBtn);
if (nextPageBtn) {
menuBar.appendChild(nextPageBtn);
}
if (nextChapterBtn) {
menuBar.appendChild(nextChapterBtn);
}
document.body.appendChild(menuBar);
document.body.appendChild(toggleBtn);
// 保存内容函数
function saveContent() {
let content = '';
if (checkBox.checked) {
// 添加标题
const titleElement = document.querySelector('.text-center.m-3');
if (titleElement) {
content += `# ${titleElement.textContent.trim()}\n\n\n`;
}
}
// 添加文本内容
const contentElement = document.getElementById('content');
if (contentElement) {
const paragraphs = contentElement.querySelectorAll('p');
paragraphs.forEach(paragraph => {
content += paragraph.textContent.trim() + '\n';
});
}
// 从LocalStorage获取已保存的内容
let savedContent = localStorage.getItem('savedContent') || '';
// 合并并保存内容到LocalStorage
localStorage.setItem('savedContent', savedContent + '\n\n' + content);
// 保存最近内容到临时存储
sessionStorage.setItem('recentContent', content);
console.log('已保存内容到LocalStorage');
printSavedContent();
}
// 清除最近保存的内容
function clearRecentContent() {
let savedContent = localStorage.getItem('savedContent') || '';
const recentContent = sessionStorage.getItem('recentContent') || '';
if (savedContent.includes(recentContent)) {
savedContent = savedContent.replace(recentContent, '');
localStorage.setItem('savedContent', savedContent);
console.log('已清除最近保存的内容');
} else {
console.log('没有找到最近保存的内容');
}
sessionStorage
.removeItem('recentContent');
printSavedContent();
}
// 下载LocalStorage内容函数
function downloadLocalStorageContent() {
const content = localStorage.getItem('savedContent');
if (content) {
const fileName = prompt('请输入文件名:', document.title) || 'download.txt';
const blob = new Blob([content], { type: 'text/plain' });
const url = URL.createObjectURL(blob);
const a = document.createElement('a');
a.href = url;
a.download = fileName;
document.body.appendChild(a);
a.click();
document.body.removeChild(a);
URL.revokeObjectURL(url);
// 清除LocalStorage
localStorage.removeItem('savedContent');
console.log('已下载并清除保存的内容');
printSavedContent();
} else {
console.log('没有保存的内容可供下载');
}
}
// 添加快捷键功能
document.addEventListener('keydown', (event) => {
if (event.shiftKey && event.key === 'S') {
saveContent();
} else if (event.shiftKey && event.key === 'Backspace') {
localStorage.removeItem('savedContent');
console.log('已清除所有保存的内容');
printSavedContent();
} else if (event.shiftKey && event.key === 'T') {
checkBox.checked = !checkBox.checked;
} else if (event.shiftKey && event.key === 'N' && nextPageBtn) {
nextPageBtn.click();
} else if (event.shiftKey && event.key === 'M' && nextChapterBtn) {
nextChapterBtn.click();
}
});
// 初始化页面元素状态
function initializePage() {
if (nextPageBtn) {
nextPageBtn.style.display = nextPageButtons.length > 0 ? 'block' : 'none';
}
}
initializePage();
// 打印保存的内容到控制台
function printSavedContent() {
const savedContent = localStorage.getItem('savedContent');
console.log('当前保存的内容:', savedContent);
}
// 输出保存的内容到控制台
printSavedContent();
})();