java用url获取网页内容并输出到控制台

URL(String spec)

String

URL

BufferedReader(Reader in)

InputStreamReader(InputStream in,Charset cs)

 InputStream

openStream()

URL

InputStream

import java.net.*;
import java.io.*;
public class HtmlContent {
URL url;
public HtmlContent(URL url) throws UnsupportedEncodingException, IOException {
// TODO Auto-generated constructor stub
this.url = url;
get_content();
}
private void get_content() throws UnsupportedEncodingException, IOException{
BufferedReader br = new BufferedReader(new InputStreamReader(url.openStream(), "utf-8"));
String s = null;
while((s = br.readLine())!=null){
System.out.println(s);
}
}
public static void main(String[] args) throws UnsupportedEncodingException, IOException {
new HtmlContent(new URL("http://www.ytu.edu.cn"));
}
}