feat: add __network/html-crawl-parse, __wasm/wasmtime-serde-demo

__network/html-crawl-parse/src/main.rs

@@ -0,0 +1,33 @@
+use base64::Engine;
+use base64::engine::general_purpose::STANDARD;
+use reqwest::Client;
+use scraper::{Html, Selector};
+
+type StdResult = Result<(), Box<dyn std::error::Error>>;
+
+// from: https://mp.weixin.qq.com/s/5kwVXFobW1OJ5lU1nn9Vkw
+#[tokio::main]
+async fn main() -> StdResult {
+    let res = Client::new()
+        .get(String::from_utf8(STANDARD.decode("aHR0cDovL2Jvb2tzLnRvc2NyYXBlLmNvbS8=")?)?)
+        .send().await?;
+
+    let body = res.text().await?;
+    let document = Html::parse_document(&body);
+
+    let book_title_selector = Selector::parse("h3 > a")?;
+
+    for book_title in document.select(&book_title_selector) {
+        let title = book_title.text().collect::<Vec<_>>();
+        println!("Title: {}", title[0]);
+    }
+
+    let book_price_selector = Selector::parse(".price_color")?;
+
+    for book_price in document.select(&book_price_selector) {
+        let price = book_price.text().collect::<Vec<_>>();
+        println!("Price: {}", price[0]);
+    }
+
+    Ok(())
+}