httpclient2.java

《java网络编程精解》的源代码

import java.net.*;
import java.io.*;
public class HttpClient2{
  public static void main(String args[])throws IOException{
    URL url=new URL("http://www.javathinker.org/hello.htm");
    URLConnection connection=url.openConnection();
    //接收响应结果
    System.out.println("正文类型："+connection.getContentType());
    System.out.println("正文长度："+connection.getContentLength());
    
    InputStream in=connection.getInputStream(); //读取响应正文
    ByteArrayOutputStream buffer=new ByteArrayOutputStream();
    byte[] buff=new byte[1024];  
    int len=-1;

    while((len=in.read(buff))!=-1){
      buffer.write(buff,0,len);
    }
     
    System.out.println(new String(buffer.toByteArray()));  //把字节数组转换为字符串  
  } 
}


/****************************************************
 * 作者：孙卫琴                                     *
 * 来源：<<Java网络编程精解>>                       *
 * 技术支持网址：www.javathinker.org                *
 ***************************************************/