Greasy Fork is available in English.
Bilibili BV号转AV号工具
// ==UserScript==
// @name Bilibili Ban Conventer
// @namespace https://github.com/tylzh97
// @version 0.2
// @description Bilibili BV号转AV号工具
// @author Birkhoff
// @match *.bilibili.com/video/BV*
// @require http://libs.baidu.com/jquery/1.8.3/jquery.min.js
// @grant GM_addStyle
// ==/UserScript==
// 网络状况较好时，可以将次数值调低；网络较差时将此数字调高
// 网页加载完成多少秒后，将av号渲染到页面中
// 由于Bilibili前端使用Vue框架，修改页面模板后可能会导致页面渲染失败，因此要在Vue渲染完毕后脚本才能渲染
const delayTime = 3.5
// 点击复制内容函数
function copy(str) {
let transfer = document.createElement('input');
transfer.id = 'copy-temp-input'
let v_r = $("#viewbox_report")
v_r.append(transfer)
transfer.value = str;
transfer.focus();
transfer.select();
if (document.execCommand('copy')) {
document.execCommand('copy');
}
transfer.blur();
$('#copy-temp-input').remove()
}
(function() {
'use strict';
console.log("This is bilibili Tampermonkey Script.")
// 当DOM渲染完成时
$(document).ready(_ => {
console.log("Page Loading!")
const patt = /video\/(bv.+)/i
const url = window.location.href
const bv = patt.exec(url)[1]
console.log(bv)
// 转码参考 https://www.zhihu.com/question/381784377/answer/1099438784
const magicStr = 'fZodR9XQDSUm21yCkr6zBqiveYah8bt4xsWpHnJE7jL5VG3guMTKNPAwcF';
let table = {};
for (let i = 0; i < magicStr.length; i++) table[magicStr[i]] = BigInt(i);
let s = [11, 10, 3, 8, 4, 6, 2, 9, 5, 7];
const XOR = 177451812n, ADD = 100618342136696320n;
// bv转av解码
function decode(src) {
let r = 0n;
for (let i = 0; i < 10; i++) {
r += table[src[s[i]]] * (58n ** BigInt(i));
}
return (r - ADD) ^ XOR;
}
// 获取bigint类型av号
const av = decode(bv);
const str_av = 'av' + av
console.log(av)
console.log(str_av)
// 在视频信息中添加av号标签
let avinfo = '<div class="video-data">'
avinfo += '<span style="cursor: pointer" class="a-crumbs" id="av-copy">' + str_av + '</span>'
avinfo += '<span style="cursor: pointer" id="url-copy">https://www.bilibili.com/video/' + str_av + '</span>'
avinfo += '</div>'
let v_r = $("#viewbox_report")
// 由于bilibili前端使用了VUE框架，在VUE渲染完毕前修改HTML模板会造成VUE渲染失败，因此此处定时3秒再将av号信息渲染到页面中
setTimeout(_ => {
v_r.append(avinfo)
$('#av-copy').click(function() {
copy(str_av.toString())
})
$('#url-copy').click(function() {
copy('https://www.bilibili.com/video/' + str_av)
})
}, delayTime * 1000)
})
})();