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如何使用JigsawStack的网页抓取功能?请说明详细操作步骤。

2025-08-28 1.3 K

使用JigsawStack的网页抓取功能主要分为以下几个步骤:

  1. preliminary:首先需要注册JigsawStack账号并获取API密钥
  2. Installing the SDK:根据使用的编程语言安装对应的SDK。JavaScript用户执行npm i jigsawstack,Python用户执行pip install jigsawstack
  3. Initializing the SDK:使用API密钥初始化SDK,示例如下:
    import { JigsawStack } from "jigsawstack";
    const jigsaw = new JigsawStack({ apiKey: "你的密钥" });
  4. invoke an API:准备网页URL和需要提取的元素提示(prompts),调用ai_scrape接口。示例如下:
    const result = await jigsaw.web.ai_scrape({
    url: "https://news.ycombinator.com/show",
    element_prompts: ["post title", "post points"]
    });
  5. Outcome of the process:API会返回结构化数据,如:
    {
    "post title": ["New AI Tool Released"],
    "post points": ["150"]
    }

使用技巧:element_prompts中指定的提取内容描述越简洁准确,效果会越好。建议先从简单提取测试,再逐步完善提示词。

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