java网络编程（一）

package net;

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

/**
 * Created by hu on 2015/11/8.
 */
//从URL读取www网络资源
public class URLReader {
    public static void main(String[] args) throws Exception{
        URL url=new URL("http://www.cnblogs.com/linjiqin/");
        BufferedReader in=new BufferedReader(new InputStreamReader(url.openStream()));
        String inputLine;
        while ((inputLine=in.readLine())!=null){
            System.out.println(inputLine);
        }
        in.close();
    }
}

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package net;

import java.io.DataInputStream;
import java.io.PrintStream;
import java.net.URL;
import java.net.URLConnection;

/**
 * Created by hu on 2015/11/8.
 */
public class URLConn {
    public static void main(String[] args)throws Exception{
        URL url=new URL("http://www.javasoft.com/cgi-bin/backwards");
        URLConnection urlConn=url.openConnection();
        DataInputStream dis=new DataInputStream(urlConn.getInputStream());
        PrintStream ps=new PrintStream(urlConn.getOutputStream());
        String line=dis.readLine();
        ps.println(line);
    }
}