動態網頁面靜態化 Java

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

/**
 * Title:動態網頁面靜態化
 */
public class StaticHTMLFile {
 /**
  *
  * @param page
  *            存放靜態頁面的本地檔案路徑
  * @param url_addr
  *            所要產生的靜態頁的URL地址
  * @return
  */
 public static boolean PrintPage(String page, String url_addr) {
  URL url;
  String rLine = null;
  PrintWriter fileOut = null;
  InputStream ins = null;
  try {
   url = new URL(url_addr);
   ins = url.openStream();
   BufferedReader bReader = new BufferedReader(new InputStreamReader(
     ins, "gb2312"));// 擷取編碼為gb2312的檔案
   FileOutputStream out = new FileOutputStream(page);
   OutputStreamWriter writer = new OutputStreamWriter(out, "gb2312");
   fileOut = new PrintWriter(writer);
   // 迴圈取取資料,並寫入目標檔案中
   while ((rLine = bReader.readLine()) != null) {
    String tmp_rLine = rLine; 
    int str_len = tmp_rLine.length();
    if (str_len > 0) { 
     fileOut.println(tmp_rLine);
     fileOut.flush();
    }
    tmp_rLine = null;
   }
   url = null;
   return true;
  } catch (IOException e) {
   System.out.println("error: " + e.getMessage());
   e.printStackTrace();
   return false;
  } catch (Exception es) {
   System.out.println(es.getMessage());
   return false;
  } finally {// 關閉資源
   fileOut.close();
   try {
    ins.close();
   } catch (IOException ex) {
    // 關閉輸入資料流出錯
    ex.printStackTrace();
   }
  }

 }

 public static void main(String[] args) {
  PrintPage("c:/sina.html", "http://www.sina.com/");
 }
}