自动滚动页面，rAF 丝滑驱动 + 可调速面板（兼容无限下拉）
目前為
// ==UserScript==
// @name AutoScroller UI Plus ✨
// @namespace https://example.com/
// @version 0.4
// @description 自动滚动页面，rAF 丝滑驱动 + 可调速面板（兼容无限下拉）
// @author 你
// @license MIT
// @match *://*/*
// @icon https://example.com/icon.png
// @grant GM_addStyle
// ==/UserScript==
(function () {
'use strict';
/* ——— 可自定义变量 ——— */
let su_du = 200; // 滚动速度（px / 秒）← 可自定义
let yun_xing = false; // 运行标志
let shang_ci = 0; // 上次帧时间戳
/* ——— 创建 UI ——— */
const kuang = document.createElement('div');
kuang.id = 'autoScrollerPanel';
kuang.innerHTML = `
<header id="tiaoTi">自动滚动 ⇲</header>
<div class="neiRong">
<label>速度(px/s):
<input type="number" id="suDuInput" value="${su_du}" />
</label>
<div class="btns">
<button id="kaiShiBtn">开始 🚀</button>
<button id="tingZhiBtn">停止 🛑</button>
</div>
</div>
`;
document.body.appendChild(kuang);
/* ——— 样式 ——— */
GM_addStyle(`
:root{
--as-main:#6366f1;
--as-main-light:#8b97ff;
--as-bg:rgba(255,255,255,0.85);
}
#autoScrollerPanel{
position:fixed; bottom:20px; right:20px;
width:190px; border-radius:12px; z-index:9999;
box-shadow:0 4px 18px rgba(0,0,0,.15);
backdrop-filter:blur(10px); background:var(--as-bg);
font-size:14px; color:#111; user-select:none;
transition:box-shadow .2s;
}
#autoScrollerPanel header{
background:var(--as-main); color:#fff;
padding:8px 12px; border-radius:12px 12px 0 0;
cursor:move; font-weight:600; letter-spacing:.5px;
}
#autoScrollerPanel .neiRong{padding:12px 14px;}
#autoScrollerPanel input{
width:78px; margin-left:4px; padding:2px 4px;
border:1px solid #ccc; border-radius:6px;
}
#autoScrollerPanel .btns{margin-top:10px; display:flex; gap:8px;}
#autoScrollerPanel button{
flex:1; padding:6px 0; border:none; border-radius:8px;
background:var(--as-main); color:#fff; font-weight:500;
box-shadow:0 2px 6px rgba(0,0,0,.15);
transition:transform .2s, background .2s, box-shadow .2s;
cursor:pointer;
}
#autoScrollerPanel button:hover{
background:var(--as-main-light); transform:translateY(-2px);
box-shadow:0 6px 12px rgba(0,0,0,.2);
}
`);
/* ——— 事件 ——— */
const suDuInput = kuang.querySelector('#suDuInput');
const kaiShiBtn = kuang.querySelector('#kaiShiBtn');
const tingZhiBtn = kuang.querySelector('#tingZhiBtn');
kaiShiBtn.addEventListener('click', () => {
su_du = parseFloat(suDuInput.value) || su_du;
if (yun_xing) return; // 已在跑
yun_xing = true;
shang_ci = 0;
requestAnimationFrame(gunDong);
});
tingZhiBtn.addEventListener('click', () => {
yun_xing = false;
});
/* ——— 核心滚动 (rAF) ——— */
function gunDong(time){
if (!yun_xing) return;
if (!shang_ci) shang_ci = time;
const cha = time - shang_ci; // Δt (ms)
const bu_chang = su_du * cha / 1000; // Δs = 速度 * 时间
const diBuCha = document.body.scrollHeight - (window.scrollY + window.innerHeight);
if (diBuCha > 0) window.scrollBy(0, bu_chang);
// 到底部但可能懒加载 → 维持循环
shang_ci = time;
requestAnimationFrame(gunDong);
}
/* ——— 面板拖拽 ——— */
(function drag(el, handle){
let startX, startY, startL, startT, z = 9999;
handle.addEventListener('mousedown', e=>{
startX = e.clientX; startY = e.clientY;
const rect = el.getBoundingClientRect();
startL = rect.left; startT = rect.top;
el.style.transition = 'none';
document.addEventListener('mousemove', move);
document.addEventListener('mouseup', up, {once:true});
e.preventDefault();
});
function move(e){
el.style.left = startL + (e.clientX - startX) + 'px';
el.style.top = startT + (e.clientY - startY) + 'px';
el.style.right = 'auto'; el.style.bottom = 'auto';
el.style.position = 'fixed'; el.style.zIndex = ++z;
}
function up(){ document.removeEventListener('mousemove', move); }
})(kuang, kuang.querySelector('#tiaoTi'));
})();