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🏷️ 支持按网站独立保存设置的字体控制工具
// ==UserScript==
// @name 字体与字号调整
// @namespace http://tampermonkey.net/
// @version 2.0.3
// @description 🏷️ 支持按网站独立保存设置的字体控制工具
// @author pcysanji
// @match *://*/*
// @exclude *://*.chatgpt.com/*
// @grant GM_registerMenuCommand
// @grant GM_unregisterMenuCommand
// @grant GM_getValue
// @grant GM_setValue
// @run-at document-start
// ==/UserScript==
(function () {
'use strict';
const CONFIG_KEY_PREFIX = 'SiteFontControl_';
const DEFAULT_FONTS = ['system-ui', 'Segoe UI', 'Microsoft YaHei', 'Arial', 'sans-serif'];
// 获取当前网站标识
const getSiteKey = () => {
try {
return new URL(window.location.href).hostname;
} catch {
return 'global';
}
};
// 加载网站独立配置
const loadConfig = () => {
const defaultConfig = {
baseScale: 1.0,
step: 0.1,
fontFamily: 'system-ui',
dynamicWatch: true,
intervalSec: 0
};
return GM_getValue(CONFIG_KEY_PREFIX + getSiteKey(), defaultConfig);
};
// 保存网站独立配置
const saveConfig = (config) => {
GM_setValue(CONFIG_KEY_PREFIX + getSiteKey(), config);
};
let config = loadConfig();
let observer = null;
let intervalTimer = null;
let menuHandles = {};
// 核心功能函数
function saveOriginalStyles(element = document.body) {
if (!element || element.nodeType !== Node.ELEMENT_NODE) return;
if (!element.dataset.origFontSize) {
element.dataset.origFontSize = getComputedStyle(element).fontSize;
}
if (!element.dataset.origFontFamily) {
element.dataset.origFontFamily = getComputedStyle(element).fontFamily;
}
const processNodes = node => {
if (node.shadowRoot) {
node.shadowRoot.childNodes.forEach(saveOriginalStyles);
}
if (node.tagName === 'IFRAME') {
try {
node.contentDocument?.body && saveOriginalStyles(node.contentDocument.body);
} catch {}
}
};
processNodes(element);
element.childNodes.forEach(saveOriginalStyles);
}
function applySettings(element = document.body) {
if (!element || element.nodeType !== Node.ELEMENT_NODE) return;
// 应用字号缩放
if (element.dataset.origFontSize) {
const originalSize = element.dataset.origFontSize;
const unit = originalSize.replace(/[\d.-]/g, '');
const baseValue = parseFloat(originalSize);
let baseSize = baseValue;
if (unit === 'rem') {
baseSize *= parseFloat(getComputedStyle(document.documentElement).fontSize);
} else if (unit === 'em') {
baseSize *= parseFloat(getComputedStyle(element.parentElement).fontSize);
}
element.style.fontSize = `${baseSize * config.baseScale}px`;
}
// 应用独立字体设置
element.style.fontFamily = `${config.fontFamily}, ${element.dataset.origFontFamily}`;
// 递归处理
element.childNodes.forEach(child => requestAnimationFrame(() => applySettings(child)));
if (element.shadowRoot) applySettings(element.shadowRoot);
if (element.tagName === 'IFRAME') {
try {
element.contentDocument?.body && applySettings(element.contentDocument.body);
} catch {}
}
}
function restoreFontSize() {
config.baseScale = 1.0;
document.querySelectorAll('*').forEach(el => {
el.style.removeProperty('font-size');
});
applySettings();
saveConfig(config);
}
function restoreFontFamily() {
config.fontFamily = 'system-ui';
document.querySelectorAll('*').forEach(el => {
el.style.removeProperty('font-family');
});
applySettings();
saveConfig(config);
}
// 菜单系统
function createMenu() {
Object.values(menuHandles).forEach(id => GM_unregisterMenuCommand(id));
menuHandles = {};
// 状态显示
menuHandles.status = GM_registerMenuCommand(
`🌐 ${getSiteKey()} | 缩放: ${config.baseScale.toFixed(1)}x | 字体: ${config.fontFamily}`,
() => {},
{ autoClose: false }
);
// 字号控制
menuHandles.increase = GM_registerMenuCommand("🔠 增大字号 (+0.1)", () => {
config.baseScale = Math.min(config.baseScale + config.step, 3.0);
applySettings();
saveConfig(config);
createMenu();
}, { autoClose: false });
menuHandles.decrease = GM_registerMenuCommand("🔠 减小字号 (-0.1)", () => {
config.baseScale = Math.max(config.baseScale - config.step, 0.5);
applySettings();
saveConfig(config);
createMenu();
}, { autoClose: false });
// 字体控制
menuHandles.font = GM_registerMenuCommand("🎨 设置当前网站字体", () => {
const newFont = prompt(
`当前网站：${getSiteKey()}\n推荐字体：${DEFAULT_FONTS.join(', ')}\n输入新字体名称：`,
config.fontFamily
);
if (newFont) {
config.fontFamily = newFont;
applySettings();
saveConfig(config);
createMenu();
}
}, { autoClose: false });
// 独立恢复功能
menuHandles.resetSize = GM_registerMenuCommand("↔️ 恢复字号", () => {
restoreFontSize();
createMenu();
}, { autoClose: false });
menuHandles.resetFont = GM_registerMenuCommand("🔄 恢复字体", () => {
restoreFontFamily();
createMenu();
}, { autoClose: false });
// 高级设置
menuHandles.settings = GM_registerMenuCommand("⚙️ 设置步长和定时刷新", () => {
// 步长设置
const newStep = parseFloat(prompt("设置当前网站调整步长 (0.1-1.0):", config.step));
if (!isNaN(newStep) && newStep >= 0.1 && newStep <= 1) {
config.step = newStep;
saveConfig(config);
}
// 定时刷新
const newInterval = parseInt(prompt("设置当前网站定时刷新间隔 (秒):", config.intervalSec));
if (!isNaN(newInterval) && newInterval >= 0) {
config.intervalSec = newInterval;
initInterval();
saveConfig(config);
}
createMenu();
}, { autoClose: false });
}
// 辅助功能
function initObserver() {
observer?.disconnect();
if (config.dynamicWatch) {
observer = new MutationObserver(mutations => {
mutations.forEach(mutation => {
mutation.addedNodes.forEach(node => {
saveOriginalStyles(node);
applySettings(node);
});
});
});
observer.observe(document.body, { subtree: true, childList: true });
}
}
function initInterval() {
clearInterval(intervalTimer);
if (config.intervalSec > 0) {
intervalTimer = setInterval(() => {
saveOriginalStyles();
applySettings();
}, config.intervalSec * 1000);
}
}
// 主初始化
(function init() {
const initProcedure = () => {
saveOriginalStyles();
applySettings();
initObserver();
initInterval();
createMenu();
};
if (document.readyState === 'loading') {
document.addEventListener('DOMContentLoaded', initProcedure);
} else {
initProcedure();
}
})();
})();