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电脑端和手机端视图切换工具
// ==UserScript==
// @name 视图转换
// @namespace https://viayoo.com/
// @version 1.4.1
// @description 电脑端和手机端视图切换工具
// @author DeepSeek
// @match *://*/*
// @grant GM_registerMenuCommand
// @grant GM_unregisterMenuCommand
// @grant GM_setValue
// @grant GM_getValue
// @run-at document-start
// @license MIT
// ==/UserScript==
(function() {
'use strict';
class ViewConverter {
constructor() {
this.currentHost = window.location.hostname;
this.isEnabled = false;
this.settings = {
viewMode: 'desktop',
customViewportWidth: 375,
desktopViewportWidth: 1200
};
this.menuCommands = [];
this.viewportPresets = {
'小屏设备 (320px)': 320,
'标准手机 (375px)': 375,
'大屏手机 (390px)': 390,
'Google Pixel (412px)': 412,
'iPhone Plus (414px)': 414,
'平板设备 (768px)': 768,
'小平板 (1024px)': 1024
};
this.init();
}
init() {
this.loadSettings();
this.createMainMenu();
if (this.isEnabled) {
if (document.readyState === 'loading') {
document.addEventListener('DOMContentLoaded', () => this.applyViewMode());
} else {
this.applyViewMode();
}
}
}
loadSettings() {
const enabledHosts = GM_getValue('enabledHosts', {});
this.isEnabled = !!enabledHosts[this.currentHost];
const hostSettings = GM_getValue(`host_${this.currentHost}`, {
viewMode: 'desktop',
customViewportWidth: 375,
desktopViewportWidth: 1200
});
this.settings = hostSettings;
}
saveSettings() {
GM_setValue(`host_${this.currentHost}`, this.settings);
}
enableCurrentHost() {
const enabledHosts = GM_getValue('enabledHosts', {});
enabledHosts[this.currentHost] = true;
GM_setValue('enabledHosts', enabledHosts);
this.isEnabled = true;
}
disableCurrentHost() {
const enabledHosts = GM_getValue('enabledHosts', {});
delete enabledHosts[this.currentHost];
GM_setValue('enabledHosts', enabledHosts);
this.isEnabled = false;
}
createMainMenu() {
this.clearMenu();
if (!this.isEnabled) {
this.menuCommands.push(
GM_registerMenuCommand(`🚫 在当前网站启用 (${this.currentHost})`, () => this.enableScript())
);
return;
}
const currentStatus = this.getCurrentStatusText();
const switchText = this.getSwitchText();
this.menuCommands.push(
GM_registerMenuCommand(`✅ ${currentStatus}`, () => this.showStatus()),
GM_registerMenuCommand(switchText, () => this.toggleViewMode())
);
if (this.settings.viewMode === 'mobile') {
this.menuCommands.push(
GM_registerMenuCommand('🎯 设置手机视口', () => this.showMobileViewportMenu())
);
} else {
this.menuCommands.push(
GM_registerMenuCommand('🔧 设置电脑视口', () => this.showDesktopViewportMenu())
);
}
this.menuCommands.push(
GM_registerMenuCommand('❌ 禁用脚本', () => this.disableScript())
);
}
clearMenu() {
this.menuCommands.forEach(id => GM_unregisterMenuCommand(id));
this.menuCommands = [];
}
getCurrentStatusText() {
if (this.settings.viewMode === 'mobile') {
return `手机模式: ${this.settings.customViewportWidth}px`;
} else {
return `电脑模式: ${this.settings.desktopViewportWidth}px`;
}
}
getSwitchText() {
return this.settings.viewMode === 'mobile' ? '💻 切换到电脑端' : '📱 切换到手机端';
}
enableScript() {
this.enableCurrentHost();
this.saveSettings();
this.createMainMenu();
this.applyViewMode();
this.showNotification(`已在 ${this.currentHost} 启用脚本`);
}
disableScript() {
this.removeAllStyles();
this.resetViewport();
this.disableCurrentHost();
this.createMainMenu();
this.showNotification(`已在 ${this.currentHost} 禁用脚本`);
}
toggleViewMode() {
if (!this.isEnabled) return;
this.settings.viewMode = this.settings.viewMode === 'mobile' ? 'desktop' : 'mobile';
this.saveSettings();
this.createMainMenu();
this.applyViewMode();
this.showNotification(`已切换到 ${this.settings.viewMode === 'mobile' ? '手机模式' : '电脑模式'}`);
}
showMobileViewportMenu() {
if (!this.isEnabled) return;
this.clearMenu();
Object.keys(this.viewportPresets).forEach(deviceName => {
this.menuCommands.push(
GM_registerMenuCommand(`📱 ${deviceName}`, () => {
this.setMobileViewport(this.viewportPresets[deviceName]);
})
);
});
this.menuCommands.push(
GM_registerMenuCommand('🔧 自定义宽度', () => this.setCustomMobileViewport()),
GM_registerMenuCommand('↩️ 返回', () => this.createMainMenu())
);
}
showDesktopViewportMenu() {
if (!this.isEnabled) return;
this.clearMenu();
const desktopPresets = {
'💻 笔记本 (1200px)': 1200,
'🖥️ 标准桌面 (1366px)': 1366,
'🖥️ 大屏桌面 (1440px)': 1440,
'🖥️ 宽屏桌面 (1920px)': 1920
};
Object.keys(desktopPresets).forEach(presetName => {
this.menuCommands.push(
GM_registerMenuCommand(presetName, () => {
this.setDesktopViewport(desktopPresets[presetName]);
})
);
});
this.menuCommands.push(
GM_registerMenuCommand('🔧 自定义宽度', () => this.setCustomDesktopViewport()),
GM_registerMenuCommand('↩️ 返回', () => this.createMainMenu())
);
}
setMobileViewport(width) {
this.settings.customViewportWidth = width;
this.settings.viewMode = 'mobile';
this.saveSettings();
this.applyViewMode();
this.showNotification(`手机视口设置为 ${width}px`);
}
setDesktopViewport(width) {
this.settings.desktopViewportWidth = width;
this.settings.viewMode = 'desktop';
this.saveSettings();
this.applyViewMode();
this.showNotification(`电脑视口设置为 ${width}px`);
}
setCustomMobileViewport() {
const width = parseInt(prompt('请输入手机视口宽度 (px):', this.settings.customViewportWidth));
if (!isNaN(width) && width >= 200 && width <= 2000) {
this.setMobileViewport(width);
} else if (!isNaN(width)) {
this.showNotification('宽度无效 (200-2000)');
}
this.showMobileViewportMenu();
}
setCustomDesktopViewport() {
const width = parseInt(prompt('请输入电脑视口宽度 (px):', this.settings.desktopViewportWidth));
if (!isNaN(width) && width >= 800 && width <= 4000) {
this.setDesktopViewport(width);
} else if (!isNaN(width)) {
this.showNotification('宽度无效 (800-4000)');
}
this.showDesktopViewportMenu();
}
showStatus() {
const enabledHosts = GM_getValue('enabledHosts', {});
alert(`当前模式: ${this.getCurrentStatusText()}\n已启用网站: ${Object.keys(enabledHosts).join(', ') || '无'}`);
}
applyViewMode() {
if (!this.isEnabled) return;
this.removeAllStyles();
this.resetViewport();
if (this.settings.viewMode === 'mobile') {
this.applyMobileView();
} else {
this.applyDesktopView();
}
}
applyMobileView() {
this.setViewport(`width=${this.settings.customViewportWidth}, initial-scale=1.0, user-scalable=no`);
const style = document.createElement('style');
style.id = 'mobile-view-styles';
style.textContent = `
body {
width: ${this.settings.customViewportWidth}px !important;
max-width: ${this.settings.customViewportWidth}px !important;
min-width: ${this.settings.customViewportWidth}px !important;
margin: 0 auto !important;
transform-origin: top center !important;
overflow-x: hidden !important;
}
html {
overflow-x: hidden !important;
}
img, video {
max-width: 100% !important;
height: auto !important;
}
table {
width: 100% !important;
}
`;
document.head.appendChild(style);
this.forceLayoutUpdate();
}
applyDesktopView() {
this.setViewport(`width=${this.settings.desktopViewportWidth}, initial-scale=1.0`);
const style = document.createElement('style');
style.id = 'desktop-view-styles';
style.textContent = `
body {
min-width: ${this.settings.desktopViewportWidth}px !important;
margin: 0 auto !important;
}
html {
overflow-x: auto !important;
}
`;
document.head.appendChild(style);
this.forceLayoutUpdate();
}
setViewport(content) {
let viewport = document.querySelector('meta[name="viewport"]');
if (!viewport) {
viewport = document.createElement('meta');
viewport.name = 'viewport';
document.head.appendChild(viewport);
}
viewport.content = content;
}
resetViewport() {
let viewport = document.querySelector('meta[name="viewport"]');
if (viewport) {
viewport.content = 'width=device-width, initial-scale=1.0';
}
}
removeAllStyles() {
['mobile-view-styles', 'desktop-view-styles'].forEach(id => {
const style = document.getElementById(id);
if (style) style.remove();
});
}
forceLayoutUpdate() {
document.body.style.display = 'none';
document.body.offsetHeight;
document.body.style.display = '';
window.dispatchEvent(new Event('resize'));
}
showNotification(message) {
console.log(`🔧 视图转换: ${message}`);
this.showTempMessage(message);
}
showTempMessage(message) {
const div = document.createElement('div');
div.textContent = `🔧 ${message}`;
div.style.cssText = `
position: fixed;
top: 20px;
right: 20px;
background: #4CAF50;
color: white;
padding: 10px 20px;
border-radius: 5px;
z-index: 10000;
font-size: 14px;
box-shadow: 0 2px 10px rgba(0,0,0,0.3);
`;
document.body.appendChild(div);
setTimeout(() => div.remove(), 2000);
}
}
new ViewConverter();
})();