从网站地址读取html的Java程序

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URL;

public class ReadHTMLFromURL {
    public static void main(String[] args) {
        String url = "https://www.example.com"; // 网站地址

        try {
            // 创建URL对象
            URL website = new URL(url);

            // 打开连接
            BufferedReader reader = new BufferedReader(new InputStreamReader(website.openStream()));

            // 读取HTML内容
            String line;
            StringBuilder htmlContent = new StringBuilder();
            while ((line = reader.readLine()) != null) {
                htmlContent.append(line);
            }

            // 关闭连接
            reader.close();

            // 输出HTML内容
            System.out.println(htmlContent.toString());
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}