geek
61bff7beac
- 启用首页副标题（打字机效果） - 修复 nav.logo 被 theme_config 空值覆盖导致不显示的问题 - 头像改为 /images/core.jpg - 重做 logo：去白底并圆形内部填白 - 新增 Markdown 使用指南，整理文章图片到对应目录
77 lines
2.5 KiB
JavaScript
77 lines
2.5 KiB
JavaScript
// 下载 Markdown 中的掘金外链图片，按文章归类到 source/images/<文章名>/，并替换链接为站内路径
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const fs = require('fs');
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const path = require('path');
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const https = require('https');
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const http = require('http');
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const ROOT = 'c:/Users/Administrator/Desktop/新建文件夹/blog';
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const MD = path.join(ROOT, 'source/_posts/Git使用教学.md');
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// 以文章文件名（去掉扩展名）作为图片子文件夹名，便于按文章管理
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const POST = path.basename(MD, path.extname(MD));
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const OUT = path.join(ROOT, 'source/images', POST);
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function download(url) {
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return new Promise((resolve, reject) => {
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const lib = url.startsWith('https') ? https : http;
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const req = lib.get(url, { headers: { 'User-Agent': 'Mozilla/5.0' } }, (res) => {
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// 跟随重定向
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if (res.statusCode >= 300 && res.statusCode < 400 && res.headers.location) {
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res.resume();
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return download(new URL(res.headers.location, url).href).then(resolve, reject);
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}
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if (res.statusCode !== 200) {
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res.resume();
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return reject(new Error('HTTP ' + res.statusCode));
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}
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const chunks = [];
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res.on('data', (c) => chunks.push(c));
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res.on('end', () => resolve(Buffer.concat(chunks)));
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});
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req.on('error', reject);
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req.setTimeout(30000, () => req.destroy(new Error('timeout')));
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});
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}
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(async () => {
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fs.mkdirSync(OUT, { recursive: true });
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let content = fs.readFileSync(MD, 'utf8');
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const re = /!\[[^\]]*\]\((https:\/\/p3-juejin\.byteimg\.com\/[^)\s]+)\)/g;
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const map = {}; // url -> /images/<POST>/xxx.webp
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let m;
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const tasks = [];
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while ((m = re.exec(content)) !== null) {
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const url = m[1];
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if (map[url]) continue;
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const seg = url.split('/').pop();
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const hash = seg.split('~')[0];
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if (!hash) {
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console.log('跳过（无法解析文件名）: ' + url);
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continue;
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}
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const file = hash + '.webp';
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map[url] = '/images/' + POST + '/' + file;
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tasks.push(
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download(url)
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.then((buf) => {
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fs.writeFileSync(path.join(OUT, file), buf);
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console.log('[OK] ' + file + ' <- ' + url);
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})
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.catch((e) => {
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console.log('[FAIL] ' + url + ' -> ' + e.message);
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delete map[url];
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})
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);
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}
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await Promise.all(tasks);
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for (const url in map) {
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content = content.split(url).join(map[url]);
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}
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fs.writeFileSync(MD, content); // UTF-8 无 BOM
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console.log('\n完成：处理 ' + Object.keys(map).length + ' 张图片');
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})();
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