Documentation Index
Fetch the complete documentation index at: https://firecrawl.sec-lab.cn/llms.txt
Use this file to discover all available pages before exploring further.
要安装Firecrawl Rust SDK,请在您的Cargo.toml中添加以下内容:
# 将此添加到你的Cargo.toml
[dependencies]
firecrawl = "^1.0"
tokio = { version = "^1", features = ["full"] }
使用方法
首先,您需要从firecrawl.dev获取API密钥。然后,您需要初始化FirecrawlApp。之后,您可以访问像FirecrawlApp::scrape_url这样的函数,让您使用我们的API。
以下是如何在Rust中使用SDK的示例:
use firecrawl::{crawl::{CrawlOptions, CrawlScrapeOptions, CrawlScrapeFormats}, FirecrawlApp, scrape::{ScrapeOptions, ScrapeFormats}};
#[tokio::main]
async fn main() {
// 使用API密钥初始化FirecrawlApp
let app = FirecrawlApp::new("fc-YOUR_API_KEY").expect("Failed to initialize FirecrawlApp");
// 抓取一个URL
let options = ScrapeOptions {
formats vec! [ ScrapeFormats::Markdown, ScrapeFormats::HTML ].into(),
..Default::default()
};
let scrape_result = app.scrape_url("https://firecrawl.dev", options).await;
match scrape_result {
Ok(data) => println!("Scrape Result:\n{}", data.markdown.unwrap()),
Err(e) => eprintln!("Map failed: {}", e),
}
// 爬取一个网站
let crawl_options = CrawlOptions {
scrape_options: CrawlScrapeOptions {
formats: vec![ CrawlScrapeFormats::Markdown, CrawlScrapeFormats::HTML ].into(),
..Default::default()
}.into(),
limit: 100.into(),
..Default::default()
};
let crawl_result = app
.crawl_url("https://mendable.ai", crawl_options)
.await;
match crawl_result {
Ok(data) => println!("Crawl Result (used {} credits):\n{:#?}", data.credits_used, data.data),
Err(e) => eprintln!("Crawl failed: {}", e),
}
}
抓取单个URL
要抓取单个URL,请使用scrape_url方法。它接受URL作为参数,并以Document形式返回抓取的数据。
let options = ScrapeOptions {
formats vec! [ ScrapeFormats::Markdown, ScrapeFormats::HTML ].into(),
..Default::default()
};
let scrape_result = app.scrape_url("https://firecrawl.dev", options).await;
match scrape_result {
Ok(data) => println!("Scrape Result:\n{}", data.markdown.unwrap()),
Err(e) => eprintln!("Map failed: {}", e),
}
使用Extract,您可以轻松地从任何URL提取结构化数据。您需要使用serde_json::json!宏以JSON Schema格式指定您的模式。
let json_schema = json!({
"type": "object",
"properties": {
"top": {
"type": "array",
"items": {
"type": "object",
"properties": {
"title": {"type": "string"},
"points": {"type": "number"},
"by": {"type": "string"},
"commentsURL": {"type": "string"}
},
"required": ["title", "points", "by", "commentsURL"]
},
"minItems": 5,
"maxItems": 5,
"description": "Hacker News上的前5个故事"
}
},
"required": ["top"]
});
let llm_extraction_options = ScrapeOptions {
formats: vec![ ScrapeFormats::Extract ].into(),
extract: ExtractOptions {
schema: json_schema.into(),
..Default::default()
}.into(),
..Default::default()
};
let llm_extraction_result = app
.scrape_url("https://news.ycombinator.com", llm_extraction_options)
.await;
match llm_extraction_result {
Ok(data) => println!("LLM提取结果:\n{:#?}", data.extract.unwrap()),
Err(e) => eprintln!("LLM提取失败: {}", e),
}
爬取网站
要爬取网站,请使用crawl_url方法。这将等待爬取完成,根据您的起始URL和选项,可能需要很长时间。
// 配置爬取选项
let crawl_options = CrawlOptions {
scrape_options: CrawlScrapeOptions {
formats: vec![ CrawlScrapeFormats::Markdown, CrawlScrapeFormats::HTML ].into(),
..Default::default()
}.into(),
limit: 100.into(),
..Default::default()
};
// 爬取一个网站
let crawl_result = app
.crawl_url("https://mendable.ai", crawl_options)
.await;
match crawl_result {
Ok(data) => println!("Crawl Result (used {} credits):\n{:#?}", data.credits_used, data.data),
Err(e) => eprintln!("Crawl failed: {}", e),
}
异步爬取
要在不等待结果的情况下爬取,请使用crawl_url_async方法。它接受相同的参数,但返回一个包含爬取ID的CrawlAsyncRespone结构体。您可以随时使用该ID和check_crawl_status方法检查状态。请注意,已完成的爬取会在24小时后删除。
let crawl_id = app.crawl_url_async("https://mendable.ai", None).await?.id;
// ... 稍后 ...
let status = app.check_crawl_status(crawl_id).await?;
if status.status == CrawlStatusTypes::Completed {
println!("Crawl is done: {:#?}", status.data);
} else {
// ... 继续等待 ...
}
映射URL(Alpha版)
从起始URL映射所有相关链接。
let map_result = app.map_url("https://firecrawl.dev", None).await;
match map_result {
Ok(data) => println!("Mapped URLs: {:#?}", data),
Err(e) => eprintln!("Map failed: {}", e),
}
错误处理
SDK处理Firecrawl API和我们的依赖项返回的错误,并将它们组合到实现了Error、Debug和Display的FirecrawlError枚举中。我们所有的方法都返回Result<T, FirecrawlError>。