油猴工具-西瓜下载脚本，堂哥哥御笔

// ==UserScript==
// @name 西瓜堂Down-西瓜视频下载工具
// @namespace Violentmonkey Scripts
// @match https://www.ixigua.com/*
// @grant none
// @version 1.0
// @license MIT
// @AuThor 堂哥哥
// @description 2023/06/23 15:06
// ==/UserScript==
let isInit = false;
// 初始化
function HTMLInit() {
// 如果是西瓜视频则加载迅雷的js
var g = document.createElement('script');
var s = document.getElementsByTagName('script')[0];
g.setAttribute("src", "https://open.thunderurl.com/thunder-link.js");
s.parentNode.insertBefore(g, s);
isInit = true;
}
var _wr = function(type) {
var orig = history[type];
return function() {
var rv = orig.apply(this, arguments);
var e = new Event(type);
e.arguments = arguments;
window.dispatchEvent(e);
return rv;
};
};
history.pushState = _wr('pushState');
// 监听事件history的pushState事件
window.addEventListener('pushState', function(e) {
console.log("网页地址存在变换")
xiguaChange();
});
// 迅雷下载
function xunleiDownload(url,name){
thunderLink.newTask({
tasks: [{
name: name, // 指定下载文件名（含扩展名）。【若不填此项，将根据下载 URL 自动获取文件名】
url: url // 指定下载地址【必填项】
}]
});
}
// json转换
var safetyParse = (str) => {
try {
return JSON.parse(str);
} catch (error) {
return null;
}
};
var getXiGuaVideoInfo = async () => {
let data = null;
try {
console.log("window.location.href is "+ window.location.href);
const res = await fetch(window.location.href);
const str = await res.text();
// console.log("res is --------------",res)
// console.log(str)
data = safetyParse(
str.match(/window?._SSR_HYDRATED_DATA=([\d\D]+?)<\/script>/)[1].replaceAll("undefined", "null")
);
// console.log("data is -----------",data)
// console.log(data)
}catch (e){
console.log(e)
}
finally {
return data;
}
}
async function handlerVideoData(){
let downloadOption = [];
let ids = [];
const data = await getXiGuaVideoInfo();
if(data == null){
return null;
}
const videoResource = data?.anyVideo?.gidInformation?.packerData?.video?.videoResource || data?.anyVideo?.gidInformation?.packerData?.videoResource;
const videoList = Object.values(videoResource?.normal?.video_list ?? {}).sort(
(a, b) => b?.vheight - a?.vheight
);
for (var index in videoList) {
let video = videoList[index];
// console.log("video is -------------");
// console.log(video);
let url = atob(video.main_url);
// // 添加点击事件
let fileName = data.anyVideo.gidInformation.packerData.video.title + "." + video.vtype;
// 为了保留文件名称，后续下载重新处理
fileName = fileName.replaceAll(" ", "-空格-");
let id = "downBtId"+video.definition;
let downloadData = {id: id,mainUrl: url,videoResolution: video.definition,fileName: fileName}
ids.push(id);
downloadOption.push(downloadData)
}
let returnData = {
downloadOption,
ids
}
return returnData;
}
async function createXiguaVideoDownload(){
let downloadOption = [];
let handlerDatas = await handlerVideoData();
if(handlerDatas == null){
return null;
}
downloadOption = handlerDatas.downloadOption;
let rightGrid = document.querySelector('.xg-right-grid');
let playControl = rightGrid.querySelector('div:nth-of-type(2)');
let control = playControl.cloneNode(true);
let isDownControleId = null;
try {
isDownControleId = playControl.querySelector('#downControleId');
}catch (e){
console.log(e)
}
let entry= control.querySelector('.xgplayer-control-item__entry');
entry.innerHTML = '<div class="xgpcPlayer_textEntry"><span id="downControleId">下载</span></div>';
let popover = control.querySelector('.xgplayer-control-item__popover');
let downloadList = '<ul>';
downloadOption.forEach(function(item){
try {
downloadList += `<li tabindex="0" role="menuitemradio" aria-checked="false" id="${item.id}" data-downUrl=${item.mainUrl} data-downTitle=${item.fileName}>${item.videoResolution}</li>`;
}catch (e){
console.log("没有数据");
}
})
downloadList += '</ul>';
popover.innerHTML = downloadList;
try {
if(isDownControleId != null){
playControl.replaceWith(control);
}else {
playControl.before(control);
}
}catch (e){
console.log(e)
}
let divDom = document.createElement('div');
divDom.style="width: 80px; height: 140px;position:absolute;bottom:40px;left:20px;z-index:-1";
control.appendChild(divDom);
control.onmouseover=function(){
popover.style.display='block';

}
control.onmouseout=function(){
popover.style.display='none';
}
return handlerDatas.ids;
}
/*--Class--*/
class BaseClass{
createElement(dom,domId){
var rootElement = document.body;
var newElement = document.createElement(dom);
newElement.id = domId;
var newElementHtmlContent = document.createTextNode('');
rootElement.appendChild(newElement);
newElement.appendChild(newElementHtmlContent);
}
static getElement(css){
return new Promise((resolve,reject)=>{
let num = 0;
let timer = setInterval(function(){
num++
let dom = document.querySelector(css);
if(dom){
clearInterval(timer);
resolve(dom);
}else{
if(num==20){clearInterval(timer);resolve(false);}
}
},300)
})
}
}
async function loadingXigua() {
try{
var _this = this;
if (document.location.toString() !== "https://www.ixigua.com/") {
if(!isInit){
HTMLInit();
}
window.addEventListener('load',function(){
getControls();
})

}
}catch (e){
console.log(e);
}
}
async function xiguaChange() {
var _this = this;
if (document.location.toString() !== "https://www.ixigua.com/") {
if(!isInit){
HTMLInit();
}
getControls();
}
}
async function getControls(){
let videoDom = await BaseClass.getElement('video');

if(!videoDom){
console.log('没有找到DOM');return;
}
let ids = await createXiguaVideoDownload();
ids.forEach(function(id){
let jsId = "#" + id;
document.querySelector(jsId).addEventListener('click',function(eve){
console.log("-------------------有点击下载-------------------");
console.log(eve.target.dataset);
let fileName = eve.target.dataset.downtitle;
fileName = fileName.replaceAll("-空格-", " ");
// 转换回原来的文件名称
xunleiDownload(eve.target.dataset.downurl,fileName);
})
})
}
loadingXigua();

本脚本运行前提是安装迅雷，然后需要下载油猴，然后西瓜堂Down-西瓜视频下载工具 (greasyfork.org)，点击进行安装脚本。

最后演示一下