Java 实例 - 网页抓取
Java 教程
· 2019-02-11 21:44:09
以下实例演示了如何使用 net.URL 类的 URL() 构造函数来抓取网页：
Main.java 文件
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileWriter;
import java.io.InputStreamReader;
import java.net.URL;
public class Main {
public static void main(String[] args)
throws Exception {
URL url = new URL("http://www.codercto.com");
BufferedReader reader = new BufferedReader
(new InputStreamReader(url.openStream()));
BufferedWriter writer = new BufferedWriter
(new FileWriter("data.html"));
String line;
while ((line = reader.readLine()) != null) {
System.out.println(line);
writer.write(line);
writer.newLine();
}
reader.close();
writer.close();
}
}
以上代码运行输出结果为（网页的源代码，存储在当前目录下的 data.html 文件中）：
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=11,IE=10,IE=9,IE=8"/>……
点击查看所有 Java 教程 文章: https://codercto.com/courses/l/12.html
Algorithms and Theory of Computation Handbook
Mikhail J. Atallah (Editor) / CRC-Press / 1998-09-30 / USD 94.95
Book Description This comprehensive compendium of algorithms and data structures covers many theoretical issues from a practical perspective. Chapters include information on finite precision issues......一起来看看 《Algorithms and Theory of Computation Handbook》 这本书的介绍吧!
