Override JavaScript's Date object to always use Beijing time (UTC+8), and convert all date and time values on a webpage from Beijing Time (GMT+8) to your local time zone.
目前為
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// ==UserScript==
// @name MT Convert to Local Time
// @namespace http://tampermonkey.net/
// @version 0.3
// @description Override JavaScript's Date object to always use Beijing time (UTC+8), and convert all date and time values on a webpage from Beijing Time (GMT+8) to your local time zone.
// @author tttsc, GPT4
// @match https://*.m-team.cc/*
// @match https://*.m-team.io/*
// @match https://test2.m-team.cc/*
// @grant none
// @license MIT
// ==/UserScript==
(function() {
'use strict';
const originalDate = Date;
// Function to adjust the local time to Beijing time
function toBeijingTime(original) {
const localTime = new originalDate(original);
const localTimeMs = localTime.getTime();
const localOffset = localTime.getTimezoneOffset() * 60000; // Offset in milliseconds
const beijingOffset = 8 * 3600 * 1000; // Beijing is UTC+8
return new originalDate(localTimeMs + localOffset + beijingOffset);
}
// Override the Date object
Date = function () {
if (arguments.length === 0) {
return toBeijingTime(originalDate.now());
} else if (arguments.length === 1) {
return new originalDate(arguments[0]);
} else {
return new originalDate(...arguments);
}
};
Date.prototype = originalDate.prototype;
Date.now = function() {
return toBeijingTime(originalDate.now()).getTime();
};
Date.parse = originalDate.parse;
Date.UTC = originalDate.UTC;
Object.defineProperty(Date, 'prototype', { writable: false });
console.log('Tampermonkey script loaded: Starting conversion...');
// Function to format dates into YYYY-MM-DD HH:MM:SS format
function formatDateTime(date) {
const year = date.getFullYear();
const month = (date.getMonth() + 1).toString().padStart(2, '0');
const day = date.getDate().toString().padStart(2, '0');
const hours = date.getHours().toString().padStart(2, '0');
const minutes = date.getMinutes().toString().padStart(2, '0');
const seconds = date.getSeconds().toString().padStart(2, '0');
return `${year}-${month}-${day} ${hours}:${minutes}:${seconds}`;
}
// Function to convert time from Beijing to local
function convertTimeToLocal(timeString) {
const beijingTimeOffset = 8; // Beijing is UTC+8
const dateInBeijing = new Date(timeString + ' UTC+0800'); // Parse the Beijing time
return formatDateTime(dateInBeijing); // Convert to local time string in fixed format
}
// Function to process and replace date strings within an element's text
function processTextNode(node) {
const timePattern = /\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}|\d{2}\/\d{2}\/\d{4} \d{2}:\d{2}:\d{2}/g; // Example patterns, modify as needed
if (node.nodeValue.match(timePattern)) {
node.nodeValue = node.nodeValue.replace(timePattern, match => convertTimeToLocal(match));
console.log(`Processed text node: `, node.nodeValue);
}
}
// Function to process and replace date strings within an element's title attribute
function processTitleAttribute(element) {
const timePattern = /\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}|\d{2}\/\d{2}\/\d{4} \d{2}:\d{2}:\d{2}/g; // Example patterns, modify as needed
if (element.title && element.title.match(timePattern)) {
element.title = element.title.replace(timePattern, match => convertTimeToLocal(match));
console.log(`Processed title attribute: `, element.title);
}
}
// Observer to handle dynamic content
const observer = new MutationObserver(mutations => {
mutations.forEach(mutation => {
mutation.addedNodes.forEach(node => {
if (node.nodeType === Node.TEXT_NODE) {
processTextNode(node);
} else if (node.nodeType === Node.ELEMENT_NODE) {
processTitleAttribute(node);
node.querySelectorAll('*').forEach(child => {
processTitleAttribute(child);
child.childNodes.forEach(childNode => {
if (childNode.nodeType === Node.TEXT_NODE) {
processTextNode(childNode);
}
});
});
}
});
});
});
// Start observing
observer.observe(document.body, {
childList: true,
subtree: true
});
// Initial processing on load
document.querySelectorAll('time, span, div, p, a, *[title]').forEach(element => {
processTitleAttribute(element);
element.childNodes.forEach(node => {
if (node.nodeType === Node.TEXT_NODE) {
processTextNode(node);
}
});
});
})();