Calculate and display views per hour for YouTube videos with improved parsing
// ==UserScript==
// @name 油管播放量统计【播放量/时间】（仅限中文）
// @namespace http://tampermonkey.net/
// @version 1.2
// @description Calculate and display views per hour for YouTube videos with improved parsing
// @author Grok
// @match https://www.youtube.com/*
// @grant Zola
// @license MIT
// ==/UserScript==
(function() {
'use strict';
// 将时间字符串转换为小时数
function timeToHours(timeStr) {
try {
const cleanTimeStr = timeStr.replace(/[•·]/g, '').trim();
const timeMatch = cleanTimeStr.match(/(\d+(\.\d+)?)\s*(小时|天|周|个月|年)(前)?/);
if (!timeMatch) return null;
const value = parseFloat(timeMatch[1]);
const unit = timeMatch[3];
switch (unit) {
case '小时': return value;
case '天': return value * 24;
case '周': return value * 24 * 7;
case '个月': return value * 24 * 30;
case '年': return value * 24 * 365;
default: return null;
}
} catch (e) {
console.error('Error in timeToHours:', e);
return null;
}
}
// 将观看次数字符串转换为数字
function viewsToNumber(viewStr) {
try {
const cleanViewStr = viewStr.trim();
const viewMatch = cleanViewStr.match(/(\d[\d,.]*)\s*(万)?\s*次观看/);
if (!viewMatch) return null;
let value = parseFloat(viewMatch[1].replace(/,/g, ''));
if (viewMatch[2] === '万') {
value *= 10000;
}
return value;
} catch (e) {
console.error('Error in viewsToNumber:', e);
return null;
}
}
// 计算每小时观看次数
function calculateViewsPerHour(viewsStr, timeStr) {
try {
const views = viewsToNumber(viewsStr);
const hours = timeToHours(timeStr);
if (views === null || hours === null || hours === 0) {
return 'N/A';
}
return (views / hours).toFixed(2) + ' 次/小时';
} catch (e) {
console.error('Error in calculateViewsPerHour:', e);
return 'N/A';
}
}
// 处理单个视频块的元数据
function processVideoBlock(block) {
try {
const spans = block.querySelectorAll('span.inline-metadata-item');
let viewsText = null;
let timeText = null;
spans.forEach(span => {
const text = span.textContent.trim();
if (text.includes('次观看')) {
viewsText = text;
} else if (text.includes('前')) {
timeText = text;
}
});
if (viewsText && timeText) {
const viewsPerHour = calculateViewsPerHour(viewsText, timeText);
let perHourSpan = block.querySelector('span.views-per-hour');
if (!perHourSpan) {
perHourSpan = document.createElement('span');
perHourSpan.className = 'inline-metadata-item style-scope ytd-video-meta-block views-per-hour';
block.appendChild(perHourSpan);
}
perHourSpan.textContent = ` • ${viewsPerHour}`;
}
} catch (e) {
console.error('Error in processVideoBlock:', e);
}
}
// 处理新加载的视频
function processVideos() {
try {
const metaBlocks = document.querySelectorAll('ytd-video-meta-block #metadata-line:not(.processed)');
metaBlocks.forEach(block => {
block.classList.add('processed');
processVideoBlock(block);
});
} catch (e) {
console.error('Error in processVideos:', e);
}
}
// 刷新所有视频的显示数据
function refreshAllVideos() {
try {
const metaBlocks = document.querySelectorAll('ytd-video-meta-block #metadata-line');
metaBlocks.forEach(block => {
processVideoBlock(block);
});
} catch (e) {
console.error('Error in refreshAllVideos:', e);
}
}
// 初始加载
try {
processVideos();
} catch (e) {
console.error('Error in initial processVideos:', e);
}
// 监听 DOM 变化以处理动态加载的视频
let lastRefresh = 0;
const refreshInterval = 1000; // 限制刷新频率为每秒一次
const observer = new MutationObserver(() => {
const now = Date.now();
if (now - lastRefresh >= refreshInterval) {
lastRefresh = now;
processVideos(); // 处理新加载的视频
refreshAllVideos(); // 刷新所有视频的显示
}
});
try {
observer.observe(document.body, {
childList: true,
subtree: true
});
} catch (e) {
console.error('Error setting up MutationObserver:', e);
}
})();