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打开SF轻小说章节页面时自动保存文章到本地, 支持付费章节。
当前为
// ==UserScript==
// @namespace https://github.com/NateScarlet/Scripts/tree/master/user-script
// @name SF轻小说章节自动下载
// @description 打开SF轻小说章节页面时自动保存文章到本地, 支持付费章节。
// @version 1
// @grant none
// @include http://book.sfacg.com/Novel/*/*/*/
// @include http://book.sfacg.com/vip/c/*/
// @run-at document-idle
// ==/UserScript==
const __name__ = "SF轻小说章节自动下载";
function image2line(img, bgStyle) {
const canvas = document.createElement("canvas");
canvas.width = img.naturalWidth;
canvas.height = img.naturalHeight;
const ctx = canvas.getContext("2d");
if (bgStyle) {
ctx.fillStyle = bgStyle;
ctx.fillRect(0, 0, canvas.width, canvas.height);
}
ctx.drawImage(img, 0, 0);
return `} "${img.title}")`;
}
function strip(str) {
return str.replace(/^\s+|\s+$/g, "");
}
function getElementRootText(element) {
let ret = "";
for (const i of element.childNodes) {
if (i.nodeType === i.TEXT_NODE) {
ret += i.nodeValue;
}
}
return strip(ret);
}
(async function () {
const chapter = document.querySelector("#article .article-title").textContent;
let lines = [
`# ${chapter}`,
`[原始页面](${location.href})`,
...document
.querySelector("#article .article-desc")
.textContent.split(/\n */)
.filter((i) => i),
`---`,
];
const keywords = document
.querySelector("meta[name='keywords']")
.content.split(",")
.filter((i) => !["小说下载", "TXT"].includes(i))
.filter((i, index, keywords) => index === 0 || !i.startsWith(keywords[0]));
// 收费章节
for (const i of document.querySelectorAll("img#vipImage")) {
console.log(`${__name__}: 等待图片加载`);
await i.decode();
console.log(`${__name__}: 图片加载完毕`);
const line = image2line(i, "white");
lines.push(line);
}
// 免费章节
for (const i of document.querySelectorAll("#ChapterBody p")) {
const line = getElementRootText(i);
lines.push(line);
for (const img of i.querySelectorAll("img")) {
lines.push(image2line(img));
}
}
// 下载文件
lines = lines.filter((i) => i.length > 0);
console.log(`${__name__}: 获取到 ${lines.length} 行`);
const file = new Blob([lines.join("\n\n"), "\n"], {
type: "text/markdown",
});
const anchor = document.createElement("a");
anchor.href = URL.createObjectURL(file);
anchor.download = `${keywords.join(" ")}.md`;
anchor.style["display"] = "none";
document.body.append(anchor);
anchor.click();
setTimeout(() => {
document.body.removeChild(anchor);
URL.revokeObjectURL(anchor.href);
}, 0);
})();