uniquestringgenerator.java

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package com.jxyd.common;

import javax.servlet.http.HttpServletRequest;

public class UniqueStringGenerator

{



    private UniqueStringGenerator()

    {

    }


//返回一个唯一字符串
    public static synchronized String getUniqueString()

    {

        if(generateCount > 99999)

            generateCount = 0;

        String uniqueNumber = Long.toString(System.currentTimeMillis()) + Integer.toString(generateCount);

        generateCount++;

        return uniqueNumber;

    }
//返回一个隐藏表单域的字符串  值是唯一字符串用于令牌
    public static String getConcealJSP(String uniquestring){
    	String element="<input name='"+"uniquestring"+"' type='"+"hidden"+"' value='"+uniquestring+"' />";
    	return element;
    }

    private static final int MAX_GENERATE_COUNT = 99999;

    private static int generateCount = 0;

    public static void main(String []d){
    	UniqueStringGenerator u=new UniqueStringGenerator();
  
    }
    


}