折叠吾爱破解代码块，52pojie代码块隐藏工具

第一个是合并了代码块折叠功能和隐藏置顶公告信息的代码，如下

// ==UserScript==
// @name         吾爱破解增强
// @namespace    52pojie_enhancements
// @version      1.0.0
// @description  吾爱代码块隐藏/显示切换+md复制按钮支持+网页净化
// @author       
// @match        https://www.52pojie.cn/*
// @grant        none
// @run-at       document-end
// @require      http://cdn.bootcss.com/jquery/1.8.3/jquery.min.js
// @note         合并了代码块支持与网页净化功能
// @icon         https://www.52pojie.cn/favicon.ico
// ==/UserScript==

(function() {
    'use strict';

    // 代码块功能实现
    function setupCodeBlocks() {
        // 处理代码块的隐藏/显示和复制功能
        function processCodeBlocks() {
            // 处理.viewsource元素
            document.querySelectorAll(".viewsource").forEach((a) => {
                const parent = a.parentElement;
                if (parent.lastChild.className === "hideCode" || parent.lastChild.className === "showCode") {
                    return;
                }
                
                const toggleBtn = createToggleButton();
                parent.appendChild(toggleBtn);
            });
            
            // 处理pre元素
            document.querySelectorAll("pre").forEach((pre) => {
                if (pre.firstChild.className === "hideCode" || pre.firstChild.className === "CopyMyCode" || pre.firstChild.className === "showCode") {
                    return;
                }
                
                const toggleBtn = createToggleButton();
                const copyBtn = createCopyButton();
                
                pre.insertBefore(toggleBtn, pre.firstChild);
                pre.insertBefore(copyBtn, pre.firstChild);
            });
        }
        
        // 创建隐藏/显示按钮
        function createToggleButton() {
            const btn = document.createElement('em');
            btn.setAttribute("class", "hideCode");
            btn.style = "cursor:pointer;font-size:12px;color:#369 !important;";
            btn.innerHTML = " 隐藏代码";
            
            btn.onclick = function() {
                const codeContainer = this.className === "hideCode" 
                    ? this.parentElement.parentElement.lastChild 
                    : this.parentElement.lastChild;
                
                if (this.className === "hideCode") {
                    codeContainer.style.height = "0";
                    codeContainer.style.overflow = "hidden";
                    this.setAttribute("class", "showCode");
                    this.innerHTML = " 显示代码";
                } else {
                    codeContainer.style.height = "";
                    codeContainer.style.overflow = "";
                    this.setAttribute("class", "hideCode");
                    this.innerHTML = " 隐藏代码";
                }
            };
            
            return btn;
        }
        
        // 创建复制按钮
        function createCopyButton() {
            const btn = document.createElement('em');
            btn.setAttribute("class", "CopyMyCode");
            btn.style = "cursor:pointer;font-size:12px;color:#369 !important;";
            btn.innerHTML = " 复制代码";
            
            btn.onclick = function() {
                const container = this.parentElement.lastChild;
                const lines = container.childNodes;
                const code = [];
                
                for (let i = 0; i < lines.length; i++) {
                    code.push(lines[i].innerText || lines[i].textContent);
                }
                
                setCopy(code.join(''), '代码已复制到剪贴板');
            };
            
            return btn;
        }
        
        // 复制到剪贴板功能
        function setCopy(text, message) {
            const textarea = document.createElement('textarea');
            textarea.value = text;
            document.body.appendChild(textarea);
            textarea.select();
            document.execCommand('copy');
            document.body.removeChild(textarea);
            
            // 显示提示信息
            alert(message);
        }
        
        // 在滚动时处理代码块
        window.onscroll = processCodeBlocks;
        
        // 初始加载时处理一次
        processCodeBlocks();
    }

    // 网页净化功能实现
    function setupPageCleanup() {
        // 等待元素加载的函数，增加超时处理
        function waitForElement(selector, callback, timeout = 5000) {
            let timer;
            const interval = setInterval(() => {
                const element = document.querySelector(selector);
                if (element) {
                    clearInterval(interval);
                    clearTimeout(timer);
                    callback(element);
                }
            }, 100);

            timer = setTimeout(() => {
                clearInterval(interval);
                console.log(`超时未找到元素: ${selector}`);
            }, timeout);
        }

        // 隐藏不需要的元素
        function hideElements() {
            $("div.bm.bml.pbn, td.plc.plm, div.plc.dnch_eo_pt, div.dnch_eo_pt, dl.rate").hide();
            document.querySelectorAll('[id*="stickthread"]').forEach(el => el.style.display = 'none');
        }
        
        // 执行净化
        hideElements();
    }

    // 初始化所有功能
    function init() {
        setupCodeBlocks();
        setupPageCleanup();
    }

    // 页面加载完成后初始化
    window.addEventListener('load', init);
})();

下面是原版

// ==UserScript==
// @name         吾爱代码块支持
// @namespace    wuai_copy
// @version      0.1.0
// @description  折叠吾爱破解代码块，52pojie代码块隐藏/显示切换+md复制按钮支持
// @author       涛之雨
// @match        https://www.52pojie.cn/*
// @grant	     none
// @note         吾爱代码块隐藏/显示切换+md复制按钮支持
// @icon         https://www.52pojie.cn/favicon.ico
// @home         https://greasyfork.org/zh-CN/scripts/416512
// @downloadURL https://update.greasyfork.org/scripts/416512/%E5%90%BE%E7%88%B1%E4%BB%A3%E7%A0%81%E5%9D%97%E6%94%AF%E6%8C%81.user.js
// @updateURL https://update.greasyfork.org/scripts/416512/%E5%90%BE%E7%88%B1%E4%BB%A3%E7%A0%81%E5%9D%97%E6%94%AF%E6%8C%81.meta.js
// ==/UserScript==

(function() {
window.onscroll=function(){
    document.querySelectorAll(".viewsource").forEach((a)=>{
        var b=a.parentElement;
        if(b.lastChild.className=="hideCode"||b.lastChild.className=="showCode"){
        	return;
        }
        var c = document.createElement('em');
        c.setAttribute("class","hideCode");
        c.style="cursor:pointer;font-size:12px;color:#369 !important;";
        c.innerHTML=" 隐藏代码";
        c.onclick=function(){
            var a=this;
            if(a.className=="hideCode"){
                a.parentElement.parentElement.lastChild.style.height="0";
                a.parentElement.parentElement.lastChild.style.overflow="hidden";
                a.setAttribute("class","showCode");
            	a.innerHTML=" 显示代码";
            }else if(a.className=="showCode"){
                a.parentElement.parentElement.lastChild.style.height="";
                a.parentElement.parentElement.lastChild.style.overflow=""
                a.setAttribute("class","hideCode");
                a.innerHTML=" 隐藏代码";
            }
        };
        b.appendChild(c);
    });
    document.querySelectorAll("pre").forEach((a)=>{
        if(a.firstChild.className=="hideCode"||a.firstChild.className=="CopyMyCode"||a.firstChild.className=="showCode"){
        	return;
        }else{
            var c = document.createElement('em');
            c.setAttribute("class","hideCode");
            c.style="cursor:pointer;font-size:12px;color:#369 !important;";
            c.innerHTML=" 隐藏代码";
            a.insertBefore(c,a.firstChild);
            c.onclick=function(){
                var a=this;
                if(a.className=="hideCode"){
                    a.parentElement.lastChild.style.height="0";
                    a.parentElement.lastChild.style.overflow="hidden";
                    a.setAttribute("class","showCode");
                	a.innerHTML=" 显示代码";
                }else if(a.className=="showCode"){
                    a.parentElement.lastChild.style.height="";
                    a.parentElement.lastChild.style.overflow="";
                    a.setAttribute("class","hideCode");
                    a.innerHTML=" 隐藏代码";
                }
            };
            c = document.createElement('em');
            c.setAttribute("class","CopyMyCode");
            c.style="cursor:pointer;font-size:12px;color:#369 !important;";
            c.innerHTML=" 复制代码";
            a.insertBefore(c,a.firstChild);
            c.onclick=function(){
                var container = this.parentElement.lastChild;
                var lines = container.childNodes;
                var code = [];
                for (var i = 0; i < lines.length; i++) {
                    code.push(lines[i].innerText || lines[i].textContent);
                }
                code = code.join('');
            	setCopy(code, '代码已复制到剪贴板');
            };
        }
    });
}
})();