StringHelper

package com.helper;

import java.util.StringTokenizer;

/** * <p>标题: weboa办公系统</p> * <p>描述: 关于字符串处理的辅助类</p> */public class StringHelper{   /**    *将空字符串转换为""    * @param 原始字符串    * @return 返回转换后的字符串    */   public static final String convertStringNull(String strOrig)   {      String strReturn = "";      if (strOrig == null || strOrig.equals("null"))      {         strReturn = "";      }      else      {         strReturn = trim(strOrig.trim());      }      return strReturn;   }

   /**    * 分解以特定分隔符分隔多个同一类型信息的字符串为字符串数组    * @param strOrigin 原始字符串    * @param separator 分隔符    * @return    */   public static final String[] parserString(String strOrigin, String separator)   {      try      {         StringTokenizer st;         String strItem;

         if (strOrigin == null)         {            return null;         }         st = new StringTokenizer(strOrigin, separator);         String[] returnValue = new String[st.countTokens()];         int index = 0;         while (st.hasMoreTokens())         {            strItem = (String) st.nextToken();            if (strItem != null && strItem.trim().length() != 0)            {               returnValue[index++] = strItem;            }         }         return returnValue;      }      catch (Exception e)      {         return null;      }   }

   /**    * 将传入的字符串转换为中文字符串，并将空字符串转换为""    * @param strOrigin 原始字符串    * @return 中文字符串    */   public static String toChineseStr(String strOrigin)   {      if (strOrigin == null || strOrigin.equals("null"))      {         strOrigin = "";      }      else      {         strOrigin = strOrigin.trim();      }

      try      {         strOrigin = new String(strOrigin.getBytes("ISO8859_1"), "GBK");      }      catch (Exception e)      {      }      return strOrigin;   }

   /**    * 将中文字符串转换为ISO8859_1编码格式，并将空字符串转换为""    * @param strOrigin strOrigin 原始字符串（中文字符串）    * @return    */   public static String toStandardStr(String strOrigin)   {      if (strOrigin == null || strOrigin.equals("null"))      {         strOrigin = "";      }      else      {         strOrigin = strOrigin.trim();      }

      try      {         strOrigin = new String(strOrigin.getBytes("GBK"), "ISO8859_1");      }      catch (Exception e)      {      }      return strOrigin;   }

   /**    *    * @param s    * @param separatorSign    * @return String[]    */

   public static String[] split(String s, String separatorSign)   {      try      {         if (s == null)            return null;         int index = 0;         java.util.Vector vec = new java.util.Vector();         while (true)         {            index = s.indexOf(separatorSign, index);