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展开多少届。直观看到用户是多少届的
// ==UserScript==
// @name nowcoder extend class
// @description 展开多少届。直观看到用户是多少届的
// @version 1.1
// @include https://www.nowcoder.com/search/*
// @include https://www.nowcoder.com/feed/main/detail/*
// @namespace baojie.nowcoder
// @license MIT
// @grant GM_xmlhttpRequest
// ==/UserScript==
(function() {
'use strict';
// Cache to store user IDs and their graduation years
const userCache = new Map();
// Set to track user IDs that have been processed
const processedUserIds = new Set();
// Add CSS styles for graduation year display
function addStyles() {
// Check if styles already added
if (document.getElementById('nowcoder-grad-year-styles')) {
return;
}
const styleElement = document.createElement('style');
styleElement.id = 'nowcoder-grad-year-styles';
styleElement.textContent = `
.grad-year-display {
color: #ff7830;
margin-left: 5px;
font-size: 12px;
font-weight: bold;
}
`;
document.head.appendChild(styleElement);
}
// Extract user ID from element
function getUserIdFromElement(element) {
// For links with href attribute
if (element.tagName === 'A' && element.href) {
const match = element.href.match(/\/users\/(\d+)/);
if (match && match[1]) {
return match[1];
}
}
// For other elements, check parent or child links
const link = element.closest('a[href*="/users/"]') ||
element.querySelector('a[href*="/users/"]');
if (link) {
const match = link.href.match(/\/users\/(\d+)/);
if (match && match[1]) {
return match[1];
}
}
return null;
}
// Display the graduation year next to the user name
function displayGradYear(element, gradYear) {
// Find the appropriate container
const nameSpan = element.querySelector('.name-text');
// Check if we already added to this specific element
if (nameSpan.querySelector('.grad-year-display') || element.hasAttribute('data-grad-displayed')) {
return;
}
// Create the graduation year display
const gradYearElement = document.createElement('span');
gradYearElement.className = 'grad-year-display';
gradYearElement.textContent = `(${gradYear})`;
gradYearElement.setAttribute('data-userid', element.getAttribute('data-userid'));
// Add to the page
nameSpan.appendChild(gradYearElement);
// Mark this element as having the graduation year displayed
element.setAttribute('data-grad-displayed', 'true');
}
// Fetch user info using GM_xmlhttpRequest
function fetchUserInfo(userId) {
return new Promise((resolve) => {
const url = `https://gw-c.nowcoder.com/api/sparta/user/info/card/${userId}?_=${Date.now()}`;
// Use GM_xmlhttpRequest directly, avoiding the unsafe header issue
GM_xmlhttpRequest({
method: 'GET',
url: url,
headers: {
'Accept': 'application/json',
'X-Requested-With': 'XMLHttpRequest'
// Removed Referer header to avoid the 'unsafe header' error
},
onload: function(response) {
try {
const data = JSON.parse(response.responseText);
if (data.success && data.data && data.data.workTime) {
resolve(data.data.workTime);
} else {
resolve(null);
}
} catch (e) {
console.error('Failed to parse response', e);
resolve(null);
}
},
onerror: function() {
resolve(null);
}
});
});
}
// Process a single user element
async function processUserElement(element) {
// Skip if already fully processed
if (element.hasAttribute('data-grad-displayed')) {
return;
}
const userId = getUserIdFromElement(element);
if (!userId) {
return;
}
// Store userId as data attribute to help with duplicate detection
element.setAttribute('data-userid', userId);
// Skip if already in progress for this user ID
if (processedUserIds.has(userId)) {
// If we already know this user's info, display it
if (userCache.has(userId)) {
displayGradYear(element, userCache.get(userId));
}
return;
}
// Mark as being processed
processedUserIds.add(userId);
// Check cache first
if (userCache.has(userId)) {
displayGradYear(element, userCache.get(userId));
return;
}
// Fetch user info
const gradYear = await fetchUserInfo(userId);
if (gradYear) {
userCache.set(userId, gradYear);
// Update all instances of this user on the page
document.querySelectorAll(`[data-userid="${userId}"]:not([data-grad-displayed])`).forEach(el => {
displayGradYear(el, gradYear);
});
}
}
// Process all user elements visible on the page
function processVisibleElements() {
// Find all user name links
document.querySelectorAll('a[href*="/users/"]').forEach(link => {
if (link.closest('.user-nickname') || link.querySelector('.name-text')) {
processUserElement(link);
}
});
}
// Simple debounce function
function debounce(func, wait) {
let timeout;
return function() {
const context = this, args = arguments;
clearTimeout(timeout);
timeout = setTimeout(() => func.apply(context, args), wait);
};
}
// Initialize
function init() {
console.log('Nowcoder graduation year display script initialized');
addStyles();
// Initial processing with a short delay
setTimeout(processVisibleElements, 500);
// Process on scroll (debounced)
window.addEventListener('scroll', debounce(processVisibleElements, 300));
// Process on content changes
const observer = new MutationObserver(debounce(mutations => {
let hasNewNodes = false;
mutations.forEach(mutation => {
if (mutation.addedNodes.length > 0) {
hasNewNodes = true;
}
});
if (hasNewNodes) {
processVisibleElements();
}
}, 300));
observer.observe(document.body, { childList: true, subtree: true });
}
// Run after page has loaded
if (document.readyState === 'loading') {
document.addEventListener('DOMContentLoaded', init);
} else {
init();
}
})();