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
// @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://hncu.xuetangx.com/*
// @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)
}
$(document).ready(async function () {
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
var begin = new Date()
while (typeof (video) === 'undefined') {
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
}
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
var thisVideoName = $('div.video-header > span.chapter-name').text()// 获取当前视频名称
$('div.course-structure-tree__wrap').find('i.icon-plus').click()// 先释放所有章节节点
await sleep(500)
$('div.course-structure-tree__wrap').find('i.el-icon-arrow-down').click()// 再释放所有子节点
await sleep(500)
var videoList = $('div.course-structure-tree__wrap').find('div[role="progressbar"]')// 获取所有视频列表
console.log(videoList)
var localVideo = $('div.course-structure-tree__wrap').find('span').filter(function () { return similar($(this).text().trim(), thisVideoName.trim()) > 0.9 }).parent().find('div[role="progressbar"]')[0]// 获取当前视频
console.log(localVideo)
var ls = false
$.each(videoList, function (index, item) {
console.log($(item))
if (ls) {
if (parseInt($(item).attr('aria-valuenow')) < parseInt($(item).attr('aria-valuemax'))) {
console.log($(item))
$(item).click()
return false
}
} else {
if (item === localVideo) {
ls = true
}
}
})
}
console.log('hook结束函数完成')
$(document).off("mozvisibilitychange")
$(document).off("visibilitychange")
$(document).off("webkitvisibilitychange")
$(document).off("msvisibilitychange")
//unsafeWindow.test3="3"
unsafeWindow.onblur = function () {}
console.log('hook焦点函数完成')
//video.muted = true// 静音视频,想看视频的可以删除这一行
$(".xt_video_player_volume_icon").click()
$(".xt_video_player_quality.xt_video_player_common").find("li[class!=xt_video_player_common_active]").each((index,item)=>{
if(item.innerText==="标清"){
item.click()
console.log('自动切换至标清以节省带宽')
return false
}
})
console.log("当前播放速度:"+video.playbackRate)
//启用2倍速播放
setInterval(()=>{$("li[data-speed=2]").click()}, 3000);
video.play()// 播放当前视频
console.log('已经开始播放')
})
})()