openstream.java~71~

来自「提供了常用的JAVA技术的示例」· JAVA~71~ 代码 · 共 39 行

package url;
import java.net.*;
import java.io.*;
/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2003</p>
 * <p>Company: </p>
 * @author unascribed
 * @version 1.0
 */

public class openStream {

  public static void main (String[] args)throws Exception{
    try{
      URL page=new URL("http://www.cn-java.com");
      //BufferedReader in=new BufferedReader(new InputStreamReader(page.openStream()));
      URLConnection con=page.openConnection();
      DataInputStream in=new DataInputStream(con.getInputStream());
      int inputLine,i=0;
      FileOutputStream f=new FileOutputStream("downpage/cnjava.htm");
      while ((inputLine=in.read())!=-1){
        f.write(inputLine);
        i++;
      }
    }
    catch(Exception e){
      //e.printStackTrace();
      System.err.print("error");
    }
      /*DataInputStream  ul = new DataInputStream(page.openStream());
      FileOutputStream iz = new FileOutputStream ("url.txt");
      int b, k=0;
      while((b = ul.read ()) != -1) {
        iz.write(b); k++;
      }*/
  }
}