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java鎬庝箞瀹炵幇鏁版嵁閲囬泦

扬州沐宇科技
2024-03-28 15:47:18
Java

鍦↗ava涓疄鐜版暟鎹噰闆嗛€氬父娑夊強浠ヤ笅鍑犱釜姝ラ锛?/p>

  1. 閫夋嫨鍚堥€傜殑鏁版嵁閲囬泦宸ュ叿鎴栧簱锛欽ava涓湁璁稿寮€婧愮殑鏁版嵁閲囬泦宸ュ叿鍜屽簱锛屾瘮濡侸soup銆丠ttpClient銆丼elenium绛夛紝鍙互鏍规嵁鍏蜂綋闇€姹傞€夋嫨鍚堥€傜殑宸ュ叿銆?/p>

  2. 缂栧啓鏁版嵁閲囬泦閫昏緫锛氭牴鎹渶姹傦紝缂栧啓鏁版嵁閲囬泦鐨勯€昏緫锛屽寘鎷姹傛暟鎹€佽В鏋愭暟鎹€佸鐞嗘暟鎹瓑姝ラ銆傚彲浠ヤ娇鐢ㄥ伐鍏锋垨搴撴彁渚涚殑API杩涜鏁版嵁璇锋眰鍜岃В鏋愩€?/p>

  3. 瀛樺偍鏁版嵁锛氶噰闆嗗埌鐨勬暟鎹彲浠ュ瓨鍌ㄥ埌鏁版嵁搴撱€佹枃浠舵垨鍏朵粬瀛樺偍浠嬭川涓€傚彲浠ヤ娇鐢↗ava涓殑鏁版嵁搴撴搷浣滃簱銆佹枃浠舵搷浣滃簱绛夋潵瀹炵幇鏁版嵁鐨勫瓨鍌ㄣ€?/p>

  4. 瀹氭椂浠诲姟锛氬鏋滈渶瑕佸畾鏃惰繘琛屾暟鎹噰闆嗭紝鍙互浣跨敤Java涓殑瀹氭椂浠诲姟搴撴潵瀹炵幇瀹氭椂浠诲姟璋冨害銆?/p>

涓嬮潰鏄竴涓畝鍗曠殑绀轰緥浠g爜锛屼娇鐢↗soup搴撳疄鐜版暟鎹噰闆嗭細

import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;

import java.io.IOException;

public class DataCollectionExample {

    public static void main(String[] args) {
        String url = "https://example.com";
        
        try {
            Document doc = Jsoup.connect(url).get();
            Elements elements = doc.select("div[class=product]");
            
            for (Element element : elements) {
                String productName = element.select("h3").text();
                String productPrice = element.select("span[class=price]").text();
                
                System.out.println("Product Name: " + productName);
                System.out.println("Product Price: " + productPrice);
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

}

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