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Nodejs 的爬虫框架
一个快速,简单,易用的 nodejs 爬虫框架.
WARNING: 当前仍处于开发阶段,任何存在的特性都可能会更改或者移除
特性
快速开始
npm install @axetroy/crawler
import { Crawler, Provider, Response } from "@axetroy/crawler";
class ScrapinghubProvider implements Provider {
name = "scrapinghub";
urls = ["https://blog.scrapinghub.com"];
async parse($: Response) {
const $nextPage = $("a.next-posts-link").eq(0);
if ($nextPage) {
$.follow($nextPage.prop("href"));
}
return $(".post-header>h2")
.map((_, el) => $(el).text())
.get();
}
}
const spider = new Crawler(ScrapinghubProvider, {
timeout: 1000 * 5,
retry: 3
});
spider.on("data", (articles: string[]) => {
for (const article of articles) {
process.stdout.write(article + "\n");
}
});
spider.on("error", (err, task) => {
console.log(`request fail on ${task.url}: ${err.message}`);
});
spider.on("finish", () => {
process.stdout.write("finish...\n");
});
spider.start();
API Reference
API Reference
Example
如何运行 demo ?
> npx ts-node examples/basic.ts
这里有相关的例子
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甚至可以请我喝一杯 ☕️
License
The Anti 996 License