用于批量下载Bilibili专栏图片的工具
// ==UserScript==
// @name Bilibili专栏图片批量下载
// @namespace http://tampermonkey.net/
// @version 1.0
// @description 用于批量下载Bilibili专栏图片的工具
// @author Cedaraos
// @match https://www.bilibili.com/read/*
// @icon https://www.google.com/s2/favicons?sz=64&domain=bilibili.com
// @require https://cdn.bootcdn.net/ajax/libs/jszip/3.10.0/jszip.min.js
// @require https://cdn.bootcdn.net/ajax/libs/FileSaver.js/2.0.5/FileSaver.min.js
// @grant none
// @license MIT
// ==/UserScript==
var obj=document.getElementsByClassName("normal-img");
var zip=new JSZip();
var l=obj.length;
window.onload=()=>{
var o=document.querySelector("#app > div > div.article-container > div.article-container__content > div.title-container > div > div");
o.appendChild(document.createElement("a"));
o.lastChild.setAttribute("data-v-0735ec40","");
o.lastChild.text="下载全部图片";
o.lastChild.style.marginLeft="30px";
o.lastChild.onclick=()=>{
main();
}
}
function main(){
for(var i=0;i<obj.length;i++){
downloadUrlFile("https:"+obj[i].attributes['data-src'].value)
}
}
function last(){
zip.generateAsync({type:"blob"})
.then(function(content) {
saveAs(content, String(document.querySelector("#app > div > div.article-container > div.article-container__content > div.title-container > h1").innerText)+".zip");
});
}
function downloadUrlFile(url) {
url = url.replace(/\\/g, '/');
const xhr = new XMLHttpRequest();
xhr.open('GET', url, true);
xhr.responseType = 'blob';
xhr.onload = () => {
if (xhr.status === 200) {
// 获取文件blob数据并保存
var fileName = getFileName(url);
zip.file(fileName,xhr.response,{base64: true});
l-=1;
if(l==0){
last();
}
}
};
xhr.send();
}
/**
* 根据文件url获取文件名
* @param url 文件url
*/
function getFileName(url) {
var num = url.lastIndexOf('/') + 1
var fileName = url.substring(num)
//把参数和文件名分割开
fileName = decodeURI(fileName.split("?")[0]);
return fileName;
}