tools.java

sample struct article, ... ...

/**
 * Copyright (C) 2003-2006 TiandiNet.com
 * 
 * Struts 文章系统 1.1
 * 
 * release-date: 2006-02-25
 */

package com.tiandinet.StrutsArticle.Utils;

/**
 * @author Meng Yang
 * @version 1.1
 */
public class Tools
{
    public static String getCNSubString(String str,int len)
		{
		    int    i      = 0;
				int    strLen = str.length();
				String temp   = "";
				String result = "";
				
				if(len >= strLen)
				  return str;
				
				for(;i < len; i++)
				{
				    temp = str.substring(i,i+1);
				    if(temp.charAt(0) > 161)
						{
						    result += str.substring(i,i+2);
								i++;
						}
						else
						{
						    result += str.substring(i,i+1);
						}
				}
				
		    return result + "...";
		}
}