快速获取Bilibili当前视频的截图并复制到剪贴板
// ==UserScript==
// @name bilibili-screenshot
// @description 快速获取Bilibili当前视频的截图并复制到剪贴板
// @namespace github.com/frostime
// @match *://www.bilibili.com/video/*
// @icon https://www.google.com/s2/favicons?sz=64&domain=bilibili.com
// @version 0.2.3
// @author frostime
// @license MIT
// @grant none
// ==/UserScript==
(function () {
'use strict';
// 创建按钮组容器
const createButtonGroup = () => {
const container = document.createElement('div');
container.style.position = 'fixed';
container.style.bottom = '20px';
container.style.right = '20px';
container.style.zIndex = '9999';
// 创建按钮容器
const buttonContainer = document.createElement('div');
buttonContainer.style.display = 'flex';
buttonContainer.style.flexDirection = 'column';
buttonContainer.style.gap = '10px';
buttonContainer.style.transition = 'transform 0.3s ease, opacity 0.3s ease';
buttonContainer.style.transformOrigin = 'bottom right';
buttonContainer.style.opacity = '0';
buttonContainer.style.transform = 'scale(0.8) translateY(-10px)';
buttonContainer.style.pointerEvents = 'none'; // 初始状态不可点击
buttonContainer.style.position = 'absolute';
buttonContainer.style.bottom = '50px'; // 在折叠按钮上方留出空间
buttonContainer.style.right = '0';
buttonContainer.style.width = '120px'; // 设置固定宽度
// 创建折叠/展开按钮
const toggleButton = document.createElement('button');
toggleButton.innerHTML = '⚙️'; // 使用齿轮图标
toggleButton.style.width = '40px';
toggleButton.style.height = '40px';
toggleButton.style.borderRadius = '50%';
toggleButton.style.backgroundColor = '#00A1D6';
toggleButton.style.color = '#fff';
toggleButton.style.border = 'none';
toggleButton.style.cursor = 'pointer';
toggleButton.style.fontSize = '20px';
toggleButton.style.position = 'absolute';
toggleButton.style.bottom = '0';
toggleButton.style.right = '0';
toggleButton.style.transition = 'transform 0.3s ease';
toggleButton.style.boxShadow = '0 2px 4px rgba(0, 0, 0, 0.2)';
let isExpanded = false;
toggleButton.addEventListener('click', () => {
isExpanded = !isExpanded;
if (isExpanded) {
buttonContainer.style.opacity = '1';
buttonContainer.style.transform = 'scale(1) translateY(0)';
buttonContainer.style.pointerEvents = 'auto';
toggleButton.style.transform = 'rotate(180deg)';
}
else {
buttonContainer.style.opacity = '0';
buttonContainer.style.transform = 'scale(0.8) translateY(-10px)';
buttonContainer.style.pointerEvents = 'none';
toggleButton.style.transform = 'rotate(0deg)';
}
});
container.appendChild(buttonContainer);
container.appendChild(toggleButton);
return {
container,
buttonContainer
};
};
// 创建单个按钮
const createButton = (config) => {
const button = document.createElement('button');
button.innerText = config.text;
button.style.padding = '8px 12px';
button.style.backgroundColor = config.backgroundColor || '#00A1D6';
button.style.color = '#fff';
button.style.border = 'none';
button.style.borderRadius = '5px';
button.style.cursor = 'pointer';
button.style.fontSize = '12px';
button.style.width = '100%'; // 让按钮填满容器宽度
button.style.whiteSpace = 'nowrap'; // 防止文字换行
button.style.textAlign = 'center'; // 文字居中
button.addEventListener('click', config.onClick);
return button;
};
// 复制视频截图
const copyScreenshot = async () => {
const video = document.querySelector('video');
if (!video) {
showMessage('无法找到视频元素');
return;
}
const canvas = document.createElement('canvas');
canvas.width = video.videoWidth;
canvas.height = video.videoHeight;
const context = canvas.getContext('2d');
if (context) {
context.drawImage(video, 0, 0, canvas.width, canvas.height);
canvas.toBlob(async (blob) => {
if (blob) {
try {
await navigator.clipboard.write([
new ClipboardItem({
'image/png': blob
})
]);
showMessage('截图已复制到剪贴板！');
}
catch (err) {
console.error('复制截图失败: ', err);
showMessage('复制截图失败，请检查浏览器支持的权限。');
}
}
}, 'image/png');
}
};
// 复制分享链接
const copyShareLink = async (timestamp = true) => {
// 1. 获取当前 URL
const currentUrl = new URL(window.location.href);
const baseUrl = currentUrl.origin + currentUrl.pathname;
// h1.video-title
let title = document.querySelector('h1.video-title')?.textContent;
// 替换 title 内部的 [ ] 符号，防止 markdown 格式化错误，替换为 【 】
title = title?.replace(/\[([^\]]+)\]/g, '【$1】');
const copyLink = (text) => {
navigator.clipboard.writeText(text);
showMessage('复制分享链接');
};
if (timestamp === false) {
const text = `[${title}](${baseUrl})`;
copyLink(text);
return;
}
// 获取视频时间戳 div.bpx-player-ctrl-time-label span.bpx-player-ctrl-time-current
const current = document.querySelector('div.bpx-player-ctrl-time-label span.bpx-player-ctrl-time-current')?.textContent;
if (!current) {
showMessage('无法找到视频时间戳');
return;
}
const parts = current.split(':');
let time = 0;
if (parts.length === 3) {
time = parseInt(parts[0]) * 3600 + parseInt(parts[1]) * 60 + parseInt(parts[2]);
}
else {
time = parseInt(parts[0]) * 60 + parseInt(parts[1]);
}
const text = `[空降到 ${current}](${baseUrl}?t=${time})`;
copyLink(text);
};
// 消息框显示功能
const showMessage = (message) => {
const messageBox = document.createElement('div');
messageBox.innerText = message;
messageBox.style.position = 'fixed';
messageBox.style.bottom = '70px';
messageBox.style.right = '20px';
messageBox.style.zIndex = '9999';
messageBox.style.padding = '10px 20px';
messageBox.style.backgroundColor = 'rgba(0, 0, 0, 0.7)';
messageBox.style.color = '#fff';
messageBox.style.borderRadius = '5px';
messageBox.style.boxShadow = '0 2px 4px rgba(0, 0, 0, 0.2)';
messageBox.style.fontSize = '14px';
messageBox.style.transition = 'opacity 0.5s';
messageBox.style.opacity = '1';
document.body.appendChild(messageBox);
setTimeout(() => {
messageBox.style.opacity = '0';
setTimeout(() => {
messageBox.remove();
}, 250);
}, 1500);
};
// 初始化按钮组
const { container, buttonContainer } = createButtonGroup();
// 创建截图按钮
const screenshotButton = createButton({
text: '截图并复制',
onClick: copyScreenshot
});
// 创建分享链接按钮
const shareLinkButton = createButton({
text: '视频分享链接',
onClick: () => copyShareLink(false),
backgroundColor: '#FF6699'
});
const preciseJumpButton = createButton({
text: '精准空降链接',
onClick: () => copyShareLink(true),
backgroundColor: '#FF6699'
});
// 添加按钮到按钮容器
buttonContainer.appendChild(screenshotButton);
buttonContainer.appendChild(shareLinkButton);
buttonContainer.appendChild(preciseJumpButton);
// 将按钮组添加到页面
document.body.appendChild(container);
})();
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