import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.net.MalformedURLException;import java.net.URL;import java.util.ArrayList;import java.util.HashMap;import java.util.List;import java.util.regex.Matcher;import java.util.regex.Pattern;public class WebContent{ /**  * 读取一个网页全部内容  */ public String getOneHtml(final String htmlurl) throws IOException {  URL url;  String temp;  final StringBuffer sb = new StringBuffer();  try  {   url = new URL(htmlurl);   final BufferedReader in = new BufferedReader(new InputStreamReader(url.openStream(), "utf-8"));// 读取网页全部内容   while ((temp = in.readLine()) != null)   {    sb.append(temp);   }   in.close();  }  catch (final MalformedURLException me)  {   System.out.println("你输入的URL格式有问题！请仔细输入");   me.getMessage();   throw me;  }  catch (final IOException e)  {   e.printStackTrace();   throw e;  }  return sb.toString(); } /**  *   * @param s  * @return 获得网页标题  */ public String getTitle(final String s) {  String regex;  String title = "";  final List<String> list = new ArrayList<String>();  regex = "<title>.*?</title>";  final Pattern pa = Pattern.compile(regex, Pattern.CANON_EQ);  final Matcher ma = pa.matcher(s);  while (ma.find())  {   list.add(ma.group());  }  for (int i = 0; i < list.size(); i++)  {   title = title + list.get(i);  }  return outTag(title); } /**  *   * @param s  * @return 获得链接  */ public List<String> getLink(final String s) {  String regex;  final List<String> list = new ArrayList<String>();  regex = "<a[^>]*href=http://www.mamicode.com/(/"([^\"]*)\"|\‘([^\‘]*)\‘|([^\\s>]*))[^>]*>(.*?)</a>";  final Pattern pa = Pattern.compile(regex, Pattern.DOTALL);  final Matcher ma = pa.matcher(s);  while (ma.find())  {   list.add(ma.group());  }  return list; } /**  *   * @param s  * @return 获得脚本代码  */ public List<String> getScript(final String s) {  String regex;  final List<String> list = new ArrayList<String>();  regex = "<script.*?</script>";  final Pattern pa = Pattern.compile(regex, Pattern.DOTALL);  final Matcher ma = pa.matcher(s);  while (ma.find())  {   list.add(ma.group());  }  return list; } /**  *   * @param s  * @return 获得CSS  */ public List<String> getCSS(final String s) {  String regex;  final List<String> list = new ArrayList<String>();  regex = "<style.*?</style>";  final Pattern pa = Pattern.compile(regex, Pattern.DOTALL);  final Matcher ma = pa.matcher(s);  while (ma.find())  {   list.add(ma.group());  }  return list; } /**  *   * @param s  * @return 去掉标记  */ public String outTag(final String s) {  return s.replaceAll("<.*?>", ""); } /**  *   * @param s  * @return 获取雅虎知识堂文章标题及内容  */ public HashMap<String, String> getFromYahoo(final String s) {  final HashMap<String, String> hm = new HashMap<String, String>();  final StringBuffer sb = new StringBuffer();  String html = "";  System.out.println("\n------------------开始读取网页(" + s + ")--------------------");  try  {   html = getOneHtml(s);  }  catch (final Exception e)  {   e.getMessage();  }  // System.out.println(html);  System.out.println("------------------读取网页(" + s + ")结束--------------------\n");  System.out.println("------------------分析(" + s + ")结果如下--------------------\n");  String title = outTag(getTitle(html));  title = title.replaceAll("_雅虎知识堂", "");  // Pattern pa=Pattern.compile("<div  // class=\"original\">(.*?)((\r\n)*)(.*?)((\r\n)*)(.*?)</div>",Pattern.DOTALL);  final Pattern pa = Pattern.compile("<div class=\"original\">(.*?)</p></div>", Pattern.DOTALL);  final Matcher ma = pa.matcher(html);  while (ma.find())  {   sb.append(ma.group());  }  String temp = sb.toString();  temp = temp.replaceAll("(<br>)+?", "\n");// 转化换行  temp = temp.replaceAll("<p><em>.*?</em></p>", "");// 去图片注释  hm.put("title", title);  hm.put("original", outTag(temp));  return hm; } /**  *   * @param args  *            测试一组网页，针对雅虎知识堂  */ public static void main(final String args[]) {  String url = "";  final List<String> list = new ArrayList<String>();  System.out.print("输入URL，一行一个，输入结束后输入 go 程序开始运行:   \n");  /*   * http://ks.cn.yahoo.com/question/1307121201133.html   * http://ks.cn.yahoo.com/question/1307121101907.html   * http://ks.cn.yahoo.com/question/1307121101907_2.html   * http://ks.cn.yahoo.com/question/1307121101907_3.html   * http://ks.cn.yahoo.com/question/1307121101907_4.html   * http://ks.cn.yahoo.com/question/1307121101907_5.html   * http://ks.cn.yahoo.com/question/1307121101907_6.html   * http://ks.cn.yahoo.com/question/1307121101907_7.html   * http://ks.cn.yahoo.com/question/1307121101907_8.html   */  final BufferedReader br = new BufferedReader(new InputStreamReader(System.in));  try  {   while (!(url = br.readLine()).equals("go"))   {    list.add(url);   }  }  catch (final Exception e)  {   e.getMessage();  }  final WebContent wc = new WebContent();  HashMap<String, String> hm = new HashMap<String, String>();  for (int i = 0; i < list.size(); i++)  {   hm = wc.getFromYahoo(list.get(i));   System.out.println("标题： " + hm.get("title"));   System.out.println("内容： \n" + hm.get("original"));  }  /*   * String htmlurl[] = {   * "http://ks.cn.yahoo.com/question/1307121201133.html",   * "http://ks.cn.yahoo.com/question/1307121101907.html",   * "http://ks.cn.yahoo.com/question/1307121101907_2.html",   * "http://ks.cn.yahoo.com/question/1307121101907_3.html",   * "http://ks.cn.yahoo.com/question/1307121101907_4.html",   * "http://ks.cn.yahoo.com/question/1307121101907_5.html",   * "http://ks.cn.yahoo.com/question/1307121101907_6.html",   * "http://ks.cn.yahoo.com/question/1307121101907_7.html",   * "http://ks.cn.yahoo.com/question/1307121101907_8.html" }; WebContent   * wc = new WebContent(); HashMap<String, String> hm = new HashMap<String,   * String>(); for (int i = 0; i < htmlurl.length; i++) { hm =   * wc.getFromYahoo(htmlurl[i]); System.out.println("标题： " +   * hm.get("title")); System.out.println("内容： \n" + hm.get("original")); }   */  /*   * String html=""; String link=""; String sscript=""; String content="";   * System.out.println(htmlurl+" 开始读取网页内容：");   * html=wc.getOneHtml(htmlurl); System.out.println(htmlurl+"   * 读取完毕开始分析……"); html=html.replaceAll("(<script.*?)((\r\n)*)(.*?)((\r\n)*)(.*?)(</script>)","   * ");//去除脚本 html=html.replaceAll("(<style.*?)((\r\n)*)(.*?)((\r\n)*)(.*?)(</style>)","   * ");//去掉CSS html=html.replaceAll("<title>.*?</title>"," ");//除去页面标题   * html=html.replaceAll("<a[^>]*href=http://www.mamicode.com/(/"([^\"]*)\"|\‘([^\‘]*)\‘|([^\\s>]*))[^>]*>(.*?)</a>","   * ");//去掉链接 html=html.replaceAll("(\\s){2,}?"," ");//除去多余空格   * html=wc.outTag(html);//多余标记 System.out.println(html);   */  /*   * String s[]=html.split(" +"); for(int i=0;i<s.length;i++){   * content=(content.length()>s[i].length())?content:s[i]; }   * System.out.println(content);   */  // System.out.println(htmlurl+"网页内容结束");  /*   * System.out.println(htmlurl+"网页脚本开始："); List   * script=wc.getScript(html); for(int i=0;i<script.size();i++){   * System.out.println(script.get(i)); }   * System.out.println(htmlurl+"网页脚本结束：");   *    * System.out.println(htmlurl+"CSS开始："); List css=wc.getCSS(html);   * for(int i=0;i<css.size();i++){ System.out.println(css.get(i)); }   * System.out.println(htmlurl+"CSS结束：");   *    * System.out.println(htmlurl+"全部链接内容开始："); List list=wc.getLink(html);   * for(int i=0;i<list.size();i++){ link=list.get(i).toString(); }   * System.out.println(htmlurl+"全部链接内容结束：");   *    * System.out.println("内容"); System.out.println(wc.outTag(html));   */ }}