在城院的学堂云3上可以挂着视频一直播放(暂时适配毛概,其他视频可以自行测试)
// ==UserScript==
// @name 城院学堂云脚本2
// @namespace http://www.kairlec.com/
// @version 1.1
// @description 在城院的学堂云3上可以挂着视频一直播放(暂时适配毛概,其他视频可以自行测试)
// @author Kairlec
// @match https://www.xuetangx.com/learn/hncu*
// @grant unsafeWindow
// @run-at document-idle
// ==/UserScript==
(function () {
'use strict'
// Your code here...
function similar (s, t, f) {
if (!s || !t) {
return 0
}
var l = s.length > t.length ? s.length : t.length
var n = s.length
var m = t.length
var d = []
f = f || 3
var min = function (a, b, c) {
return a < b ? (a < c ? a : c) : (b < c ? b : c)
}
var i, j, si, tj, cost
if (n === 0) return m
if (m === 0) return n
for (i = 0; i <= n; i++) {
d[i] = []
d[i][0] = i
}
for (j = 0; j <= m; j++) {
d[0][j] = j
}
for (i = 1; i <= n; i++) {
si = s.charAt(i - 1)
for (j = 1; j <= m; j++) {
tj = t.charAt(j - 1)
if (si === tj) {
cost = 0
} else {
cost = 1
}
d[i][j] = min(d[i - 1][j] + 1, d[i][j - 1] + 1, d[i - 1][j - 1] + cost)
}
}
const res = (1 - d[n][m] / l)
return res.toFixed(f)
}
const targetDocument = unsafeWindow.document
console.log(targetDocument)
targetDocument.onreadystatechange = async function () {
if (targetDocument.readyState == 'complete') {
const sleep = (ms) => {
return new Promise(resolve => setTimeout(resolve, ms))
}
console.log('脚本等待页面初始化中')
console.log('Edit by Kairlec')
await sleep(2000)
const $ = unsafeWindow.jQuery
var video = unsafeWindow.video || targetDocument.querySelector('video')
var begin = new Date()
while (video === undefined || video === null) {
await sleep(1)
if (new Date().getTime() - begin.getTime() > 10000) {
console.log('脚本初始化超时,当前页面不是视频页或视频加载失败')
return
}
video = unsafeWindow.video || targetDocument.querySelector('video')
}
console.log('初始化...')
// video.pause = function () {}
// console.log('hook暂停函数完成')
video.onended = async function () { // 播放下一个视频
const listScroll = targetDocument.querySelector('div.courseAction_lesson_left.lesson_left div.listScroll')
// 先释放所有章节节点
listScroll.querySelectorAll('ul.first').forEach((elem) => {
if (!elem.classList.contains('active')) {
elem.querySelector('li.title').click()
}
})
await sleep(500)
// 获取所有视频列表
const videoList = []
listScroll.querySelectorAll('ul.third li.title').forEach((elem) => {
if (elem.querySelector('i').innerText === '\ue65c') {
videoList.push(elem)
}
})
var localVideo = listScroll.querySelector('li.title.active')// 获取当前视频
var ls = false
videoList.some((item) => {
if (ls) {
if (item.querySelector('i.percentFull') === null) {
console.log(item)
item.click()
return true
}
} else {
if (item === localVideo) {
ls = true
}
}
})
await sleep(500)
unsafeWindow.location.reload()
}
console.log('hook结束函数完成')
// $(document).off('mozvisibilitychange')
// $(document).off('visibilitychange')
// $(document).off('webkitvisibilitychange')
// $(document).off('msvisibilitychange')
// unsafeWindow.onblur = function () {}
// console.log('hook焦点函数完成')
targetDocument.querySelector('.xt_video_player_common_icon').click()
targetDocument.querySelector('.xt_video_player_common_list').querySelectorAll('li').forEach((item) => {
if (item.innerText === '标清') {
item.click()
console.log('自动切换至标清以节省带宽')
return false
}
})
console.log('当前播放速度:' + video.playbackRate)
// 启用2倍速播放
setInterval(() => { targetDocument.querySelector('li[data-speed="2"]').click() }, 3000)
video.muted = true// 静音视频,想看视频的可以删除这一行
video.play()// 播放当前视频
console.log('已经开始播放')
}
}
}
)()