又一个问题!!感觉脑力确实不够用了555

<table width="200" border="1"> 

  <tr> 

    <td> 1  </td> 

    <td>2 </td> 

    <td>3 </td> 

  </tr> 

  <tr> 

    <td>4 </td> 

    <td>5 </td> 

    <td> 6 </td> 

  </tr> 

  <tr> 

    <td> 7 </td> 

    <td>8  </td> 

    <td rowspan="2"> 9  </td> 

  </tr> 

  <tr> 

    <td>  </td> 

    <td>  </td> 

  </tr> 

</table> 

<table width="200" border="1"> 

  <tr> 

    <td> <a href="link6">1  </a></td> 

    <td><a href="link7">2 </a></td> 

    <td>3 </td> 

  </tr> 

  <tr> 

    <td>4 </td> 

    <td>5 </td> 

    <td> 6 </a> </td> 

  </tr> 

  <tr> 

    <td> 7 </td> 

    <td> <a href="link8">8 </a> </td> 

    <td rowspan="2"> <a href="link8"> 9 </a> </td> 

  </tr> 

  <tr> 

    <td>  </td> 

    <td>  </td> 

  </tr> 

</table> 

import java.util.ArrayList;

import java.util.List;

import java.util.regex.Pattern;



public class Test01 {



    public static void main(String[] args) {

        String str = 

                "<table width=\"200\" border=\"1\">\n" +

                "    <tr>\n" +

                "    <td>1 </td>\n" + 

                "    <td>2 </td>\n" +

                "    <td>3 </td>\n" +

                "  </tr>\n" +

                "  <tr>\n" +

                "    <td>4 </td>\n" + 

                "    <td>5 </td>\n" +

                "    <td>6 </td>\n" +

                "  </tr>\n" +

                "  <tr>\n" +

                "    <td>7 </td>\n" + 

                "    <td>8 </td>\n" +

                "    <td rowspan=\"2\">9 </td>\n" + 

                "  </tr>\n" +

                "  <tr>\n" +

                "    <td>  </td>\n" + 

                "    <td>  </td>\n" +

                "  </tr>\n" +

                "</table>";

        List<String> list = new ArrayList<String>();

        list.add("1");

        list.add("6");

        list.add("7");

        list.add("8");

        list.add("9");

        

        Nil2000 nil = new Nil2000(list);

        System.out.println(nil.processLinks(str));

    }

}



class Nil2000 {

    

    private List<String> links;    

    private Pattern pattern;

    

    private final static String REGEX_PREFIX = "(<td[^>]*>)\\s*";

    private final static String REGEX_SUFFIX = "\\s*(</td>)";    

    private final static String PROCESS_RESULT = "$1<a href=\"link$2\">$2</a>$3";

    

    public Nil2000(List<String> links) {

        setLinks(links);

    }

    

    public String processLinks(String str) {

        compileRegex();

        return pattern.matcher(str).replaceAll(PROCESS_RESULT);

    }

        

    public void setLinks(List<String> links) {

        this.links = links;

        this.pattern = null;        

    }



    private void compileRegex() {

        if(pattern != null) {

            return;

        }        

        pattern = Pattern.compile(generateRegex());

    }

    

    private String generateRegex() {

        StringBuffer sb = new StringBuffer(REGEX_PREFIX + "(");

        for(int i = 0, k = links.size(); i < k; i++) {

            if(i > 0) {

                sb.append("|");

            }

            sb.append(links.get(i));

        }

        sb.append(")" + REGEX_SUFFIX);

        return sb.toString();

    }

}