网络爬虫源代码(共4页).doc

网络爬虫源代码 public class Spider implements Runnable private ArrayList urls; /URL列表 private HashMap indexedURLs; /已经检索过的URL列表 private int threads ; /初始化线程数 public static void main(String argv) throws Exception if(argv0 = null) System.out.println(Missing required argument: Sit URL); return ; Spider Spider = new Spider(argv0); Spider.go(); public Sp