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百度网盘 - 自动加载全部文件，倒序显示文件

还原旧版倒序显示文件，自动滚动加载全部文件并回到顶部

当前为 2025-06-29 提交的版本，查看 最新版本。

// ==UserScript==
// @name         百度网盘 - 自动加载全部文件，倒序显示文件
// @namespace    http://tampermonkey.net/
// @version      1.0
// @description  还原旧版倒序显示文件，自动滚动加载全部文件并回到顶部
// @author       一直咸鱼猫
// @match        https://pan.baidu.com/s/*
// @grant        none
// @run-at       document-start
// @license      CC-BY-NC
// ==/UserScript==

(function () {
  'use strict';

  // 全局开关：是否启用自动滚动
  const enableAutoScroll = false; // ← 设置为 true 可以开启自动滚动

  // 劫持 XMLHttpRequest
  const origOpen = XMLHttpRequest.prototype.open;
  XMLHttpRequest.prototype.open = function (method, url) {
    if (typeof url === 'string' && url.includes('/share/list')) {
      const u = new URL(url, location.origin);
      u.searchParams.set('num', '100');
      u.searchParams.set('desc', '1');
      arguments[1] = u.toString();
    }
    return origOpen.apply(this, arguments);
  };

  // 劫持 fetch
  const origFetch = window.fetch;
  window.fetch = function (input, init) {
    let url = input;
    let isRequest = false;
    if (input instanceof Request) {
      url = input.url;
      isRequest = true;
    }
    if (typeof url === 'string' && url.includes('/share/list')) {
      const u = new URL(url, location.origin);
      u.searchParams.set('num', '100');
      u.searchParams.set('desc', '1');
      const newUrl = u.toString();
      input = isRequest ? new Request(newUrl, input) : newUrl;
    }
    return origFetch.call(this, input, init);
  };

  // 滚动逻辑
  function autoScrollLoad(container) {
    if (!enableAutoScroll || !container || window.__panScrollRunning__) return;
    window.__panScrollRunning__ = true;

    let lastScrollTop = -1;
    let stableCount = 0;

    const loop = setInterval(() => {
      container.scrollTop = container.scrollHeight;

      if (container.scrollTop === lastScrollTop) {
        stableCount++;
      } else {
        stableCount = 0;
        lastScrollTop = container.scrollTop;
      }

      if (stableCount >= 5) {
        clearInterval(loop);
        setTimeout(() => {
          container.scrollTop = 0;
          window.__panScrollRunning__ = false;
        }, 100);
      }
    }, 200);
  }

  // 判断路径是否发生变化（点击子目录）
  function hasDirectoryChanged() {
    const now = location.pathname + location.search + location.hash;
    if (window.__panLastPath !== now) {
      window.__panLastPath = now;
      return true;
    }
    return false;
  }

  // 启动逻辑 + 监听子目录切换
  function observeAndTriggerScroll() {
    const wait = setInterval(() => {
      const container = document.querySelector('.NHcGw');
      if (container) {
        clearInterval(wait);

        if (enableAutoScroll) {
          setTimeout(() => autoScrollLoad(container), 100); // 页面首次加载触发
        }

        window.__panLastPath = location.pathname + location.search + location.hash;

        const observer = new MutationObserver(() => {
          if (hasDirectoryChanged() && enableAutoScroll) {
            setTimeout(() => {
              const newContainer = document.querySelector('.NHcGw');
              if (newContainer) autoScrollLoad(newContainer);
            }, 1000);
          }
        });

        observer.observe(container, { childList: true, subtree: false });
      }
    }, 300);
  }

  // 页面加载完成后启动
  window.addEventListener('load', () => {
    observeAndTriggerScroll();
  });
})();