java通过一个url读取网站的源代码储存到本地文件中_java 工具类读取url资源文件到内存中-优快云博客

本文详细介绍了如何使用Java编程语言通过URL读取网页内容，并将其存储到本地文件中，包括创建JTextArea组件显示网页链接、设置网页路径、读取网页内容、关闭资源等关键步骤。

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import java.io.*;
import java.net.URL;

import javax.swing.JTextArea;

public class Test {
 static BufferedReader reader;

 static JTextArea tPage;

 static URL url;
 static String wenben;
 public static void main(String[] args) {
  tPage = new JTextArea();
  String url = "<a target=_blank href="http://www.baidu.com/" target="_blank" style="background-color: inherit; cursor: pointer; color: rgb(202, 0, 0); text-decoration: none;">http://www.baidu.com</a>";   //网站路径
  wenben="F:\\baidu.txt";               //存储路径
  readPage(url);
 }

 public static void readPage(String uu) {
  String line;
  try {
   url = new URL(uu);
   reader = new BufferedReader(new InputStreamReader(url.openStream()));
   while ((line = reader.readLine()) != null) {
    tPage.append(line + "\n");
   }
   cunchu();
   System.out.println("存储成功");
  } catch (Exception ie) {
   tPage.setText("发生输入输出异常 ");
  } finally {
   try {
    if (reader != null)
     reader.close();
   } catch (Exception e) {
   }
  }
 }

 public static void cunchu() {

  File f = new File(wenben);
  try {
   f.createNewFile();
   FileWriter out = new FileWriter(f);
   out.write(tPage.getText());
   out.flush(); // 清空管道
   out.close();
  } catch (IOException e) {
   e.printStackTrace();
  }
 }
}