// ==UserScript==
// @name 屏蔽 CSDN
// @version 1.1.2
// @author aaron yan
// @description 屏蔽 CSDN 及其它垃圾信息
// @match https://www.baidu.com
// @match https://www.baidu.com/s*
// @match https://www.google.com
// @match https://www.google.com/search*
// @match https://www.google.com.hk/search*
// @match https://www.google.com.tw/search*
// @grant GM_xmlhttpRequest
// @license MIT
// @changelog v1.1.0 (2024-01-17)
// 1. 优化代码结构和性能
// 2. 改进屏蔽规则管理
// 3. 去除延时响应
// @namespace https://greasyfork.org/users/1249199
// ==/UserScript==
(function () {
// 配置对象
const CONFIG = {
// 搜索引擎配置
engines: {
baidu: {
host: 'baidu.com',
container: '#content_left',
selectors: {
title: ['h3.c-title', '.t', '.tts-title', '.c-gap-right '],
url: '.c-showurl',
result: '.result.c-container, .c-container.new-pmd',
source: 'div[class*="source"]',
searchButton: '#su, input[type="submit"]' // 百度搜索按钮
}
},
google: {
host: 'google.com',
container: '#search',
selectors: {
title: ['.VuuXrf'],
result: '.MjjYud',
searchButton: 'input[name="btnK"], input[type="submit"]' // 谷歌搜索按钮
}
}
},
// 屏蔽规则配置
blockRules: {
// 技术网站
tech: [
"CSDN博客", "CSDN技术社区", "csdn.net",
"简书", "博客园", "PHP中文网",
"Worktile", "慕课网", "知了爱学", "51CTO", "腾讯云计算",
"360Doc", "千锋教育", "筋斗云"
],
// 下载站点
download: [
"软件园", "下载之家", "下载网",
"华军软件园", "当下软件园", "东坡下载站",
"系统之家", "/soft/"
],
// 医疗健康
health: [
"百度健康", "快速问医生", "求医网",
"求医问药", "家庭医生", "寻医",
"健康", "健客网", "医生"
],
// 其他
others: [
"亿速云", "动力节点在线", "IT 技术博客",
"千锋教育", "虎课网", "黑马程序员", "抖音"
]
},
// URL屏蔽规则
blockUrls: [
'douyin.com'
]
};
// 工具函数
const utils = {
// 防抖函数
debounce(func, wait) {
let timeout;
return function executedFunction(...args) {
const later = () => {
clearTimeout(timeout);
func(...args);
};
clearTimeout(timeout);
timeout = setTimeout(later, wait);
};
},
// 日志函数
log(type, message, data = {}) {
const styles = {
block: 'color: #ff6b6b; font-weight: bold',
info: 'color: #4CAF50; font-weight: bold',
error: 'color: #f44336; font-weight: bold'
};
console.log(`%c ${message}`, styles[type]);
},
// 获取当前搜索引擎
getCurrentEngine() {
const host = window.location.hostname;
return Object.entries(CONFIG.engines).find(([, config]) =>
host.includes(config.host)
)?.[0];
},
// 获取所有屏蔽关键词
getAllBlockedSites() {
return Object.values(CONFIG.blockRules)
.flat()
.filter((value, index, self) => self.indexOf(value) === index);
}
};
// 搜索结果处理类
class SearchResultHandler {
constructor(engine) {
this.engine = engine;
this.config = CONFIG.engines[engine];
this.blockedSites = utils.getAllBlockedSites();
}
// 检查是否应该屏蔽
shouldBlock(element) {
// 检查标题
const titleSelectors = this.config.selectors.title;
for (const selector of titleSelectors) {
const titleElement = element.querySelector(selector);
if (titleElement && this.blockedSites.some(site =>
titleElement.textContent.trim().includes(site))) {
return true;
}
}
// 检查URL（如果有URL选择器）
if (this.config.selectors.url) {
const urlElement = element.querySelector(this.config.selectors.url);
if (urlElement && CONFIG.blockUrls.some(url =>
urlElement.textContent.trim().includes(url))) {
return true;
}
}
// 检查来源（如果有source选择器）
if (this.config.selectors.source) {
const sourceElement = element.querySelector(this.config.selectors.source);
if (sourceElement && this.blockedSites.some(site =>
sourceElement.textContent.trim().includes(site))) {
return true;
}
}
return false;
}
// 移除搜索结果
removeBlockedSites() {
try {
const results = document.querySelectorAll(this.config.selectors.result);
results.forEach(result => {
if (this.shouldBlock(result)) {
const title = result.querySelector(this.config.selectors.title[0])?.textContent.trim();
const source = result.querySelector(this.config.selectors.source)?.textContent.trim();
utils.log('block', 'Blocked:', {
title,
source: source || 'N/A'
});
result.remove();
}
});
} catch (error) {
utils.log('error', `[${this.engine}] Error:`, error);
}
}
}
// 观察器类
class ResultObserver {
constructor() {
this.engine = utils.getCurrentEngine();
if (!this.engine) return;
this.handler = new SearchResultHandler(this.engine);
this.container = document.querySelector(CONFIG.engines[this.engine].container);
this.observer = null;
}
init() {
if (!this.container) return;
this.observer = new MutationObserver(() => this.handler.removeBlockedSites());
this.observer.observe(this.container, {
childList: true,
subtree: true
});
window.addEventListener('scroll',
() => this.handler.removeBlockedSites(),
{ passive: true }
);
this.handler.removeBlockedSites();
}
reset() {
if (this.observer) {
this.observer.disconnect();
}
this.init();
}
}
// 初始化
function init() {
utils.log('info', '⚡ Content Blocker Activated! ⚡');
let observer = null;
let lastUrl = location.href;
function tryInit() {
observer = new ResultObserver();
if (observer.container) {
observer.init();
} else {
setTimeout(tryInit, 100);
}
}
tryInit();
// 监听 URL 变化
setInterval(() => {
if (lastUrl !== location.href) {
lastUrl = location.href;
if (observer) {
observer.reset();
} else {
tryInit();
}
}
}, 1000);
// 监听表单提交事件
document.addEventListener('submit', (e) => {
if (e.target.matches('form')) {
setTimeout(() => {
if (observer) {
observer.reset();
} else {
tryInit();
}
}, 500);
}
});
// 监听回车键
document.addEventListener('keypress', (e) => {
if (e.key === 'Enter' && (e.target.matches('input[type="text"]') || e.target.matches('input[type="search"]'))) {
setTimeout(() => {
if (observer) {
observer.reset();
} else {
tryInit();
}
}, 500);
}
});
}
// 立即执行初始化
init();
})();
