自动刷新页面并允许用户自定义每个网站的刷新时间，支持快捷键开启/关闭，并显示设置页面，支持清除设置
// ==UserScript==
// @name 自动刷新脚本
// @namespace http://example.com/your-namespace
// @version 1.0
// @description 自动刷新页面并允许用户自定义每个网站的刷新时间，支持快捷键开启/关闭，并显示设置页面，支持清除设置
// @author Mike
// @license MIT
// @match *://*/*
// @grant GM_setValue
// @grant GM_getValue
// @grant GM_registerMenuCommand
// ==/UserScript==
(function () {
'use strict';
let refreshTimeout;
let countdownInterval;
let remainingTime = 0;
// 初始化
function initialize() {
const initialized = GM_getValue('scriptInitialized', false);
if (!initialized) {
alert('欢迎使用自动刷新脚本！\n\n您可以通过快捷键“*”调出设置页面，自定义刷新时间。\n\n“-”关闭刷新\n\n“+”开启刷新');
GM_setValue('scriptInitialized', true);
createGUI(); // 初次访问时显示设置界面
}
}
// 创建GUI界面
function createGUI() {
// 如果设置界面已经存在则显示它
let existingContainer = document.getElementById('autoRefreshSettings');
if (existingContainer) {
existingContainer.style.display = 'block';
return;
}
const container = document.createElement('div');
container.id = 'autoRefreshSettings';
container.style.position = 'fixed';
container.style.top = '10px';
container.style.right = '10px';
container.style.width = '250px';
container.style.backgroundColor = '#f9f9f9';
container.style.border = '1px solid #ccc';
container.style.borderRadius = '5px';
container.style.boxShadow = '0px 0px 10px rgba(0, 0, 0, 0.1)';
container.style.padding = '10px';
container.style.zIndex = 9999;
container.style.fontFamily = 'Arial, sans-serif';
const title = document.createElement('h4');
title.innerText = '自动刷新设置';
title.style.marginTop = '0';
title.style.fontSize = '16px';
title.style.borderBottom = '1px solid #ddd';
title.style.paddingBottom = '5px';
container.appendChild(title);
const infoDiv = document.createElement('div');
infoDiv.style.marginBottom = '10px';
const intervalLabel = document.createElement('p');
intervalLabel.innerText = '设定的时间：' + (GM_getValue('refreshInterval_' + window.location.hostname) || '未设置');
intervalLabel.style.margin = '5px 0';
infoDiv.appendChild(intervalLabel);
const countdownLabel = document.createElement('p');
countdownLabel.innerText = '离下次刷新还有：-- 秒';
countdownLabel.style.margin = '5px 0';
infoDiv.appendChild(countdownLabel);
const statusLabel = document.createElement('p');
const autoRefreshEnabled = GM_getValue('autoRefreshEnabled_' + window.location.hostname, false);
statusLabel.innerText = '自动刷新状态：' + (autoRefreshEnabled ? '已开启' : '已关闭');
statusLabel.style.margin = '5px 0';
infoDiv.appendChild(statusLabel);
container.appendChild(infoDiv);
const intervalInput = document.createElement('input');
intervalInput.type = 'number';
intervalInput.placeholder = '秒';
intervalInput.value = GM_getValue('refreshInterval_' + window.location.hostname) || '';
intervalInput.style.width = '100%';
intervalInput.style.marginBottom = '10px';
intervalInput.style.padding = '5px';
intervalInput.style.border = '1px solid #ccc';
intervalInput.style.borderRadius = '3px';
container.appendChild(intervalInput);
const saveButton = document.createElement('button');
saveButton.innerText = '保存';
saveButton.style.width = '100%';
saveButton.style.padding = '5px';
saveButton.style.backgroundColor = '#4CAF50';
saveButton.style.color = 'white';
saveButton.style.border = 'none';
saveButton.style.borderRadius = '3px';
saveButton.style.cursor = 'pointer';
saveButton.onclick = function () {
const interval = parseInt(intervalInput.value, 10);
if (isNaN(interval) || interval <= 0) {
alert('请输入有效的时间（秒）');
return;
}
GM_setValue('refreshInterval_' + window.location.hostname, interval);
alert('设置已保存！页面将每 ' + interval + ' 秒刷新一次。');
intervalLabel.innerText = '设定的时间：' + interval + ' 秒';
startAutoRefresh(interval);
statusLabel.innerText = '自动刷新状态：已开启';
};
container.appendChild(saveButton);
const clearCurrentButton = document.createElement('button');
clearCurrentButton.innerText = '清除当前网页设置';
clearCurrentButton.style.width = '100%';
clearCurrentButton.style.padding = '5px';
clearCurrentButton.style.backgroundColor = '#f44336';
clearCurrentButton.style.color = 'white';
clearCurrentButton.style.border = 'none';
clearCurrentButton.style.borderRadius = '3px';
clearCurrentButton.style.cursor = 'pointer';
clearCurrentButton.style.marginTop = '5px';
clearCurrentButton.onclick = function () {
GM_setValue('refreshInterval_' + window.location.hostname, null);
GM_setValue('autoRefreshEnabled_' + window.location.hostname, false);
alert('当前网页设置已清除！自动刷新已关闭。');
intervalLabel.innerText = '设定的时间：未设置';
statusLabel.innerText = '自动刷新状态：已关闭';
stopAutoRefresh();
};
container.appendChild(clearCurrentButton);
const clearAllButton = document.createElement('button');
clearAllButton.innerText = '清除所有设置';
clearAllButton.style.width = '100%';
clearAllButton.style.padding = '5px';
clearAllButton.style.backgroundColor = '#f44336';
clearAllButton.style.color = 'white';
clearAllButton.style.border = 'none';
clearAllButton.style.borderRadius = '3px';
clearAllButton.style.cursor = 'pointer';
clearAllButton.style.marginTop = '5px';
clearAllButton.onclick = function () {
const confirmation = confirm('确定要清除所有设置吗？此操作将影响所有已设置的网页。');
if (confirmation) {
clearAllSettings();
alert('所有设置已清除！');
intervalLabel.innerText = '设定的时间：未设置';
statusLabel.innerText = '自动刷新状态：已关闭';
stopAutoRefresh();
}
};
container.appendChild(clearAllButton);
const closeButton = document.createElement('button');
closeButton.innerText = '关闭';
closeButton.style.width = '100%';
closeButton.style.padding = '5px';
closeButton.style.backgroundColor = '#999';
closeButton.style.color = 'white';
closeButton.style.border = 'none';
closeButton.style.borderRadius = '3px';
closeButton.style.cursor = 'pointer';
closeButton.style.marginTop = '5px';
closeButton.onclick = function () {
container.style.display = 'none';
};
container.appendChild(closeButton);
document.body.appendChild(container);
// 更新倒计时显示
function updateCountdown() {
countdownLabel.innerText = '离下次刷新还有：' + remainingTime + ' 秒';
remainingTime--;
}
if (autoRefreshEnabled) {
countdownInterval = setInterval(updateCountdown, 1000);
}
}
// 清除所有设置
function clearAllSettings() {
const keys = GM_listValues();
keys.forEach(key => {
if (key.startsWith('refreshInterval_') || key.startsWith('autoRefreshEnabled_')) {
GM_deleteValue(key);
}
});
}
// 开始自动刷新
function startAutoRefresh(interval) {
stopAutoRefresh(); // 清除任何现有的刷新定时器
remainingTime = interval;
refreshTimeout = setTimeout(() => {
location.reload();
}, interval * 1000);
countdownInterval = setInterval(() => {
if (remainingTime > 0) {
remainingTime--;
document.getElementById('autoRefreshSettings').querySelector('p:nth-child(2)').innerText = '离下次刷新还有：' + remainingTime + ' 秒';
}
}, 1000);
GM_setValue('autoRefreshEnabled_' + window.location.hostname, true);
}
// 停止自动刷新
function stopAutoRefresh() {
clearTimeout(refreshTimeout);
clearInterval(countdownInterval);
GM_setValue('autoRefreshEnabled_' + window.location.hostname, false);
}
// 检查并启动自动刷新
function checkAndStartAutoRefresh() {
const savedInterval = GM_getValue('refreshInterval_' + window.location.hostname, null);
const autoRefreshEnabled = GM_getValue('autoRefreshEnabled_' + window.location.hostname, false);
if (savedInterval && autoRefreshEnabled) {
startAutoRefresh(savedInterval);
}
}
// 监听快捷键
document.addEventListener('keydown', function (event) {
if (event.key === '-') {
stopAutoRefresh();
alert('自动刷新已关闭');
} else if (event.key === '=') {
const savedInterval = GM_getValue('refreshInterval_' + window.location.hostname);
if (savedInterval) {
startAutoRefresh(savedInterval);
alert('自动刷新已开启，每 ' + savedInterval + ' 秒刷新一次');
} else {
alert('请先设置自动刷新时间！');
}
} else if (event.key === '*') {
createGUI(); // 显示设置界面
}
});
// 注册菜单命令
GM_registerMenuCommand('设置自动刷新', createGUI);
// 页面加载时检查并启动自动刷新
checkAndStartAutoRefresh();
// 初始化
initialize();
})();