linkgrabber.java

自己写的JAVA版提取指定网址所有超连接的实例

import java.io.IOException;
import java.io.InputStreamReader;
import java.io.BufferedReader;
import java.net.URL;
import java.lang.StringBuffer;

public class LinkGrabber {
public String linkGrabber(String url) {
    URL u;

    String line;
    StringBuffer sb = new StringBuffer();
    BufferedReader br = null;
    try{
    u = new URL (url);
    br = new BufferedReader (new InputStreamReader (u.openStream ()));

    while ((line = br.readLine ()) != null) {
    sb.append(line);
    }
    return sb.toString();
} catch (IOException ie) {
    ie.printStackTrace();
    return null;
} finally {
try{
    br.close();
}catch(IOException ie) {
    ie.printStackTrace();
}
}
}
}