Html工具类

public class HtmlUtil {
   /**
     * 单例工具类
     */
    public HtmlUtil() {
    }
    
   
   
   public static Document getDoc(String url)throws IOException
   {
      File file = new File(url);
      
      if(file.exists())
      {
         Document doc = Jsoup.parse(file,"GBK");//Jsoup.parse(new URL(url).openStream(), "GBK", url);//
         return doc;
      }else{
         System.out.println("文件不存在："+url);
         return null;
      }
      
      
      
   }

   public static Document getDocUrl(String url)throws IOException
   {
      File file = new File(url);

      if(file.exists())
      {

         return Jsoup.parse(new URL(url).openStream(), "GBK", url);
      }else{
         System.out.println("文件不存在："+url);
         return null;
      }



   }
   
   public static Elements getTables(Document doc)
   {
      Elements tables = doc.getElementsByTag("table");
      return tables;
   }
   public static String subZeroAndDot(String s) {
      if (s != null && !s.equals(" ") && s.indexOf(".") > 0) {
         s = s.replaceAll("0+?$", "");// 去掉多余的0
         s = s.replaceAll("[.]$", "");// 如最后一位是.则去掉
         s = s.replaceAll(" ", "");// 如最后一位是.则去掉
         /*s = s.replaceAll(".", "");// 如最后一位是.则去掉
         s = s.replaceAll(".0", "");// 如最后一位是.则去掉
         s = StringUtils.toString(Math.floor(Double.parseDouble(s)));*/
      }
      return s;
   }

   public static double getMaxDouble(List list) {

      double max = (double) Collections.max(list);

      return max;
   }

   public static double getMinDouble(List list) {

      double min = (double) Collections.min(list);

      return min;
   }

   
}