针对43423、壁咚漫画网下载
// ==UserScript==
// @name 43423、壁咚漫画下载
// @namespace http://ynotme.cn/
// @version 0.1
// @description 针对43423、壁咚漫画网下载
// @author zhangtao
// @match https://www.43423.cc/book/*
// @match https://www.bidongmh.com/book/*
// @grant GM_xmlhttpRequest
// @require https://cdnjs.cloudflare.com/ajax/libs/FileSaver.js/1.3.8/FileSaver.min.js
// @require https://cdnjs.cloudflare.com/ajax/libs/jszip/3.2.0/jszip.min.js
// ==/UserScript==
(function () {
'use strict';
let comieList = [];
let start = 0;
let end = 0;
let zip = new JSZip();
let title = $("h1.title").text();
function confirmDownload() {
comieList = $("#chapterList li >a");
let chStr = prompt("目前发现了" + comieList.length + "话漫画，请输入要下载的部分", "1-" + comieList.length)
if (/^[0-9]+-[0-9]+$/.test(chStr)) {
let st = chStr.split("-");
start = parseInt(st[0])
end = parseInt(st[1])
} else {
return;
}
let confirmStart = confirm("即将从" + comieList[start - 1].innerText + "下载到" + comieList[end - 1].innerText)
if (!confirmStart)
return
$("#download-btn").text("下载中");
download().then(_ => $("#download-btn").text("下载完成"))
.catch(e => {
console.error("失败", e);
$("#download-btn").text("下载失败")
}).finally(_ =>
zip.generateAsync({ type: "blob" }).then(blob => saveAs(blob, title + ".zip")));
}
function getStringByInt (i) {
if (i>999) return `${i}`;
if (i>99) return `0${i}`;
if (i>9) return `00${i}`;
return `000${i}`;
}
function download() {
let downloadPromises = Promise.resolve();
for (let i = start - 1; i < end; i++) {
const chapter = comieList[i];
const chapterName = chapter.innerText;
let curChaptZip = zip.folder(chapterName);
downloadPromises = downloadPromises.then(_ => {
let curChaptButton = $(chapter);
curChaptButton.css("color", "#2505ff");
curChaptButton.text("开始下载")
return getImage(chapter.href, 1, curChaptZip).then(_ => {
curChaptButton.text("下载完成");
curChaptButton.css("color", "red");
});
})
}
return downloadPromises;
}
function getImage(url, page, curChaptZip) {
let lastPage = 0;
return new Promise((infoResolve, infoReject) => {
GM_xmlhttpRequest({
method: 'GET',
url: url + "?page=" + page,
onload: function (resp) {
let imgs = $("img.comicimg", resp.responseText);
let pages = $("select.selectpage > option", resp.responseText);
lastPage = pages.length;
let imagePromises = []
for (let i = 0; i < imgs.length; i++) {
const currentIndex = i;
imagePromises.push(new Promise((imageResolve, imageReject) => {
GM_xmlhttpRequest({
method: 'GET',
url: imgs[i].src,
responseType: 'blob',
anonymous: false,
headers: {
"Referer": resp.finalUrl
},
onload: function (resp) {
let fileName = resp.finalUrl.split('.');
let file = `${getStringByInt(page)}_${getStringByInt(currentIndex)}.${fileName[fileName.length - 1]}`
console.log(file);
curChaptZip.file(file, resp.response)
imageResolve();
},
onerror: function (e) {
console.error(e);
imageResolve();
}
})
}))
}
Promise.all(imagePromises).then(_ => {
console.log("url, page is downloaded", url, page)
infoResolve();
});
},
onerror: function (e) {
infoReject(e);
}
});
})
.then(_ => new Promise(resolve => setTimeout(resolve, 2000)))
.then(_ => {
if (page < lastPage) {
return getImage(url, page + 1, curChaptZip);
} return;
})
}
$(".comic-operate > ul").append('<li class="item"><i class="ift-down"></i><span class="type" title="下载"><a href="#" class="btn-2" rel="nofollow" id="download-btn">开始下载</a></span></li>');
$(".comic-operate > ul").append('<li class="item"><i class="ift-down"></i><span class="type" title="打包"><a href="#" class="btn-2" rel="nofollow" id="package-btn">立刻打包</a></span></li>');
$("#download-btn").click(confirmDownload);
$("#package-btn").click(_ => {
zip.generateAsync({ type: "blob" }).then(blob => saveAs(blob, title + ".zip"))
});
})();