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计算B站分P视频在自己所看P数的视频剩余时长

获取分P视频剩余时间

目前为 2023-02-24 提交的版本。查看 最新版本。

  1. // ==UserScript==
  2. // @name         计算B站分P视频在自己所看P数的视频剩余时长
  3. // @namespace    YuuRa1n
  4. // @version      0.5
  5. // @description  获取分P视频剩余时间
  6. // @author       YuuRa1n
  7. // @match        https://www.bilibili.com/video/*
  8. // @grant        none
  9. // @require      https://cdn.bootcss.com/jquery/3.4.1/jquery.min.js
  10. // @license MIT
  11. // ==/UserScript==
  12.  
  13. (function() {
  14.     setTimeout(function(){
  15.         let html = '<span><span class="item-text sumtime"></span></span>';
  16.         $(".video-title").after(html);
  17.         html = '<span><span class="item-text lefttime"></span></span>';
  18.         $("div.video-data-list").append(html);
  19.         calc();
  20.     }, 2000);
  21.  
  22.     $("ul.list-box li").on("click", function(){
  23.         calc();
  24.     })
  25. })();
  26.  
  27.  
  28. function calc(){
  29.     //获取当前播放视频位置（第几条）和总视频数
  30.     const page = $(".cur-page").text();
  31.     const pageNum = page.split("/");
  32.     const curPageNum = parseInt(pageNum[0].substring(1),10);
  33.     let hourList = [];
  34.     let minList = [];
  35.     let secList = [];
  36.     $("div.duration").each(function(){
  37.         const time = $(this).text();
  38.         const list = time.split(":");
  39.         if(list.length == 3){
  40.             hourList.push(list[0]);
  41.             minList.push(list[1]);
  42.             secList.push(list[2]);
  43.         }else{
  44.             hourList.push(0);
  45.             minList.push(list[0]);
  46.             secList.push(list[1]);
  47.         }
  48.     })
  49.  
  50.     //计算视频总时长
  51.     const sumTime = calcLeftTime(hourList, minList, secList)
  52.  
  53.     $("span.sumtime").html("视频总时长：" + sumTime);
  54.  
  55.     //计算视频剩余时间
  56.     const subHourList = hourList.slice(curPageNum - 1);
  57.     const subminList = minList.slice(curPageNum - 1);
  58.     const subsecList = secList.slice(curPageNum - 1);
  59.     const leftTime = calcLeftTime(subHourList, subminList, subsecList);
  60.     $("span.lefttime").html("剩余时长：" + leftTime);
  61. }
  62.  
  63. //给定时间数组和秒数组，数组长度必须相等，计算剩余时间
  64. function calcLeftTime(hourList, minList, secList){
  65.     if(minList.length != secList.length){
  66.         return "计算失败";
  67.     }else{
  68.         let hour = listsum(hourList);
  69.         let min = listsum(minList);
  70.         let sec = listsum(secList);
  71.         let m = sec / 60;
  72.  
  73.         let s = sec % 60;
  74.  
  75.         min += parseInt(m,10);
  76.  
  77.         let h = parseInt(min/60,10) + hour;
  78.         m = min%60;
  79.  
  80.         if(m<10)
  81.             m="0"+ m;
  82.         if(s<10)
  83.             s="0"+ s;
  84.         return h+":"+m+":"+s;
  85.     }
  86. }
  87.  
  88. function listsum(list){
  89.     let sum = 0;
  90.     for(let i =0;i<list.length;i++ ){
  91.         sum += parseInt(list[i],10)
  92.     }
  93.     return sum;
  94. }