1.进入CSDN下载界面自动关闭 2.CSDN博客文章界面下推荐中有关csdn下载的链接清除 3.百度搜索界面清除CSDN下载和聚合内容的搜索结果 4.百度界面搜索结果/相同文章去重 5.对 CSDN 文章原创 / 转载、发布时间突出标识 6.增加界面表格获取按钮，对csdn博客中的表格进行获取重绘，复制格式不混乱 7.防百度预加载干扰
// ==UserScript==
// @name CSDN-Cleaner|下载页面移除|百度搜索csdn结果优化
// @namespace http://tampermonkey.net/
// @version 2.9
// @description 1.进入CSDN下载界面自动关闭 2.CSDN博客文章界面下推荐中有关csdn下载的链接清除 3.百度搜索界面清除CSDN下载和聚合内容的搜索结果 4.百度界面搜索结果/相同文章去重 5.对 CSDN 文章原创 / 转载、发布时间突出标识 6.增加界面表格获取按钮，对csdn博客中的表格进行获取重绘，复制格式不混乱 7.防百度预加载干扰
// @author Exisi
// @match https://download.csdn.net/*
// @match http://download.csdn.net/*
// @match https://blog.csdn.net/*
// @match *.blog.csdn.net/article/*
// @match *://www.baidu.com/s*
// @supportURL https://github.com/Exisi/CSDN-Cleaner/issues/new
// ==/UserScript==
(function () {
"use strict";
let url = window.location.href;
let match = {
download : url.match(/download.csdn/),
blog : url.match(/blog.csdn/),
baidu : url.match(/baidu.com/)
};
if (match["download"]) {
//csdn下载界面关闭
backAndClose();
}
if (match["blog"]) {
let blog = {
copyright: document.getElementsByClassName("article-copyright")[0] ? 1 : 0,
time_content: document.getElementsByClassName("bar-content")[0],
table_node: document.getElementsByClassName("table-box"),
item_list: document.getElementsByClassName("recommend-item-box type_download clearfix"),
}
//重新标识原创和转载标签
if (blog.copyright == 1) {
createNewTag("原创", "red");
} else {
createNewTag("转载", "green");
}
//突出显示
if (blog.time_content != null) {
let time_node = blog.time_content.getElementsByClassName("time")[0];
if (time_node != null) {
getPostTimeDiff(time_node);
}
}
//重绘表格
if (blog.table_node[0] != null) {
reRormatTable(blog.table_node)
}
//移除推荐文章中的下载
if (blog.item_list != null) {
articleDownloadRemove(blog.item_list);
}
//防csdn下载js再次加入
window.onload = function () {
itemRemove();
}
}
if (match["baidu"]) {
//禁止预加载
setDiabledPreload();
let text_list = [];
//清除结果
let node_list = document.getElementsByClassName("result c-container new-pmd");
if (node_list != null) {
//获取搜索模式
let model = getSearchModel();
//清除重复结果
if (model > 0) {
sameBlogRemove(node_list, text_list);
}
//根据关键字去除 CSDN下载的搜索结果
removeCsdnDownloadByKeyword(model, node_list, text_list);
}
}
/**
* ------------------------------------------------------------------------------------------------------------*
* 百度搜索，根据关键字去除 CSDN下载的搜索结果
* @param node_list: 搜素结果节点列表
* ------------------------------------------------------------------------------------------------------------*
*/
function removeCsdnDownloadByKeyword(model, node_list, text_list) {
for (let i in node_list) {
let t = node_list[i].textContent;
//暴力检索
if (t != null) {
let full_exist = t.search(/(CSDN下载是一个提供学习资源)|(请访问CSDN下载)|(csdn已为您找到关于)/g) > 0;
let part_exist = t.search(/(C币\s+立即)|(立即下载\s+低至)|(次\s+身份认)|(积分\/\C币)/g) > 0;
if (t != null && (full_exist || part_exist)) {
//清除baidu搜索界面的所有csdn下载链接
node_list[i].style.display = "none";
}
let text = getNodeText(model, node_list[i]);
if (text != null) text_list.push(text);
}
}
}
/**
* ------------------------------------------------------------------------------------------------------------*
* 百度搜索，取消预加载
* ------------------------------------------------------------------------------------------------------------*
*/
function setDiabledPreload() {
let page_content = document.getElementsByClassName("page-inner_2jZi2")[0];
if (page_content != null) {
let page_btn = page_content.getElementsByTagName("a");
if (page_btn != null) {
for (let i in page_btn) {
if (page_btn[i].nodeType == 1) {
page_btn[i].addEventListener("click",setPageLink.bind(this,page_btn[i]));
}
}
}
let submit_btn = document.getElementsByClassName("bg s_btn_wr")[0];
if (submit_btn.nodeType == 1) {
submit_btn.addEventListener("click",setSearchKeyword);
}
}
}
/**
* ------------------------------------------------------------------------------------------------------------*
* 百度搜索，翻页链接
* ------------------------------------------------------------------------------------------------------------*
*/
function setPageLink(btn) {
let page_link = btn.href;
if (page_link != null) {
window.location = page_link;
}
}
/**
* ------------------------------------------------------------------------------------------------------------*
* 百度搜索，搜素关键词
* ------------------------------------------------------------------------------------------------------------*
*/
function setSearchKeyword() {
let keyword = document.getElementById("kw");
if (keyword != null) {
keyword = encodeURIComponent(keyword.value);
let prefix = "https://www.baidu.com/s?wd=";
window.location = prefix + keyword;
}
}
/**
* ------------------------------------------------------------------------------------------------------------*
* 百度搜索，确认搜素模式
* @returns Int: 搜索模式（普通搜索1 / 搜题0）
* ------------------------------------------------------------------------------------------------------------*
*/
function getSearchModel() {
let content = document.getElementsByClassName("f13 c-gap-top-xsmall se_st_footer user-avatar");
let model = 0;
if (content != null) {
for (let i in content) {
if (content[i].textContent != null) {
model = content[i].textContent.indexOf("百度题库") > -1 ? 0 : 1;
if (model == 0) break;
model = content[i].textContent.indexOf("百度文库") > -1 ? 0 : 1;
if (model == 0) break;
}
}
return model;
}
}
/**
* ------------------------------------------------------------------------------------------------------------*
* 百度搜索，获取每个搜索结果的文本
* @param model: 搜索模式（普通搜索 / 搜题）
* @param node: 搜索项的节点
* @returns String: 返回每个搜索项的文本
* ------------------------------------------------------------------------------------------------------------*
*/
function getNodeText(model, node) {
if (model > 0 && node.nodeType == 1) {
let item_node = node.getElementsByClassName("c-abstract")[0];
if (item_node != null) {
let text = item_node.textContent;
//去除csdn文章前的日期描述
let t = text.slice(text.indexOf("日") + 1).replaceAll(" ", "").replaceAll(".", "");
return t;
}
}
}
/**
* ------------------------------------------------------------------------------------------------------------*
* 百度搜索，找出可能重复的结果项
* @param node_list 搜素结果节点列表
* @param text_list 搜素结果文本列表
* ------------------------------------------------------------------------------------------------------------*
*/
function sameBlogRemove(node_list, text_list) {
for (let i in text_list) {
for (let j in text_list) {
if (i != j && compare(text_list[i], text_list[j])) {
let key = node_list[i].textContent.search(/CSDN技术社区/g) > 0 ? i : j; //优先干掉csdn（￣へ￣）
// console.log("csdn?:key:===>"+key+"item:"+i);
//清空移除的搜索结果
text_list[key] = "";
node_list[key].style.display = "none";
continue;
}
}
}
}
/**
* ------------------------------------------------------------------------------------------------------------*
* 百度搜索，文本结果对比
* @param str1: 前结果文本
* @param str2: 后结果文本
* @returns bool: 文本是否相同
* ------------------------------------------------------------------------------------------------------------*
*/
function compare(str1, str2) {
//完全匹配
if (str1 == str2) return true;
//残缺匹配
if (str1.indexOf(str2.slice(1)) > 0) {
return true;
} else {
return false;
}
}
/**
* ------------------------------------------------------------------------------------------------------------*
* CSDN 文章表格，格式化表格
* @param table_node: 表格父节点
* ------------------------------------------------------------------------------------------------------------*
*/
function reRormatTable(table_node) {
for (let i in table_node) {
if (table_node[i] != null && table_node[i].nodeType != null) {
//查看按钮
var btn = document.createElement("input");
btn.setAttribute("type", "button");
btn.setAttribute("value", "获取表格");
btn.setAttribute("class", "btn_table");
btn.style.background = "black";
btn.style.marginTop = "5px";
btn.style.color = "white";
btn.style.padding = "6px";
btn.style.fontWeight = "600";
btn.style.borderRadius = "4px";
btn.style.fontSize = "14px";
btn.addEventListener("click", function () {
let table_content = table_node[i].innerHTML;
window.document.write(table_content); //只显示表格
document.getElementsByClassName("btn_table")[0].style.display = "none";
document.getElementsByTagName("table")[0].style.border = "1px solid #000";
document.getElementsByTagName("table")[0].style.borderCollapse = "collapse";
//绘制表头
let title = document.getElementsByTagName("tr")[0];
if (title.style != null) {
title.style.backgroundColor = "black";
title.style.color = "white";
let title_th = title.getElementsByTagName("th");
if (title_th != null) {
for (const i in title_th) {
if (title_th[i].style != null) {
//强制绘制边框
title_th[i].style.border = "solid #ccc 1px";
}
}
}
let title_td = title.getElementsByTagName("td");
if (title_td != null) {
for (const i in title_td) {
if (title_td[i].style != null) {
title_td[i].style.backgroundColor = "black";
title_td[i].style.color = "white";
//强制绘制边框
title_td[i].style.border = "solid #ccc 1px";
}
}
}
}
//绘制行
let item = document.getElementsByTagName("tr");
for (let t in item) {
if (item[t] != null && item[t].nodeType != null) {
let all_item = item[t].getElementsByTagName("td");
for (const j in all_item) {
if (all_item[j].style != null) {
//强制绘制边框
all_item[j].style.border = "solid #ccc 1px";
}
}
if (t > 0 && t % 2 == 0) {
let second_item = item[t].getElementsByTagName("td");
for (const j in second_item) {
if (second_item[j].style != null) {
//奇数表格显色
second_item[j].style.backgroundColor = "#e7e6e6";
}
}
}
}
}
})
table_node[i].appendChild(btn);
}
}
}
/**
* ------------------------------------------------------------------------------------------------------------*
* CSDN 替换文章标签
* @param type: 标签类型（原创 / 转载）
* @param color: 预设的标签颜色（红 / 绿）
* ------------------------------------------------------------------------------------------------------------*
*/
function createNewTag(type, color) {
let tag = {
node : document.getElementsByClassName("article-bar-top")[0],
tag : document.getElementsByClassName("article-type-img")[0],
parent: document.getElementsByClassName("blog-tags-box")[0],
}
let new_tag = {
tag: document.createElement("div"),
next: document.getElementsByClassName("tags-box artic-tag-box")[0],
}
if (tag.node != null && tag.tag != null && tag.parent != null) {
tag.tag.style.display = "none";
new_tag.tag.innerHTML += "<div id='taga_content' " +
"style='background:white;height:35px;width:35px;border-radius:5px;" +
"border:1px solid " + color + ";transform: rotate(-45deg);display:flex;" +
"justify-content:center;align-items:center;margin-right:20px;" +
"margin-left:-25px;'>" +
"<button id='new_tag' " +
"style='background:none;" +
"color:" + color + ";transform:rotate(45deg);text-align: center;" +
"display: inline-block;font-size:12px;padding:2px;border:none;'>" +
type + "" +
"</button>" +
"</div>";
tag.parent.prepend(new_tag.tag);
if (new_tag.next != null) new_tag.next.style.paddingTop = "6px";
let btn = document.getElementById("new_tag");
btn.addEventListener("click", function () {
let link = document.createElement("a");
link.setAttribute("href", "#pcCommentBox");
link.click();
});
}
}
/**
* ------------------------------------------------------------------------------------------------------------*
* CSDN 文章发布时间，获取并计算时间差
* @param time_node: 发布时间原节点
* ------------------------------------------------------------------------------------------------------------*
*/
function getPostTimeDiff(time_node) {
let time = time_node.textContent;
time = time.replace("已于", "").replace("于", "").split(" ")[0].trim();
let date = {
post : new Date(time),
current : new Date(),
color : "green",
}
let diff = new Date(date.current - date.post).getFullYear() - 1970;
let level = {
early : diff <= 1 ? 1 : 0,
late : 1 < diff && diff <= 3 ? 1 : 0,
out_time : diff > 3 ? 1 : 0,
}
if (level.early){
date.color = 'green';
}
if (level.late){
date.color = 'blue';
}
if (level.out_time){
date.color = 'red';
}
markPostTime(date.color, time);
if(level.out_time){
document.getElementById("post_date_text").style.textDecoration = "line-through";
}
let post_img = document.getElementsByClassName("article-time-img article-heard-img")[0];
if (post_img != null){
post_img.style.display = "none";
time_node.style.display = "none";
}
}
/**
* ------------------------------------------------------------------------------------------------------------*
* CSDN 文章发布时间，突出标识
* @param color: 文字和边框颜色（1年以内-绿色，3年内-蓝色，3年以上-红色）
* @param time: 发布时间
* ------------------------------------------------------------------------------------------------------------*
*/
function markPostTime(color, time){
let article_content = document.getElementsByClassName("blog-content-box")[0];
if (article_content != null) {
let new_node = document.createElement("div");
new_node.innerHTML += "<p id='post_date_text'"+
"style='float:right;margin-right:-15px;color:" + color +
";margin-top:10px;border-radius:30px;border-width:1px;"+
"border-style:solid;border-color:"+ color +
";padding-left:5px;padding-right:5px;'>"
+ time +
"</p>";
article_content.prepend(new_node);
}
}
/**
* ------------------------------------------------------------------------------------------------------------*
* CSDN 文章推荐，下载移除
* @param item_list: 文章推荐父节点
* ------------------------------------------------------------------------------------------------------------*
*/
function articleDownloadRemove(itemList) {
//删除底部文章推荐中的 csdn下载
for (let i in itemList) {
if (itemList[i].style != null) {
itemList[i].style.display = "none";
}
}
}
/**
* ------------------------------------------------------------------------------------------------------------*
* CSDN 文章异步推荐，下载移除
* ------------------------------------------------------------------------------------------------------------*
*/
function itemRemove() {
let errorItemList = document.getElementsByClassName("recommend-item-box baiduSearch clearfix");
if (errorItemList != null) {
for (let i = 0; i < errorItemList.length; i++) {
let link = errorItemList[i].getElementsByTagName("a")[0].href;
if (link.match(/download.csdn/)) {
errorItemList[i].style.display = "none";
}
}
}
}
/**
* ------------------------------------------------------------------------------------------------------------*
* CSDN 下载界面，关闭
* ------------------------------------------------------------------------------------------------------------*
*/
function backAndClose() {
if (window.history.length > 1) {
//当前标签页打开后退
window.history.back();
} else {
//新标签页打开直接关闭
window.close();
}
}
})();