validatecard.java

基于ajax的dwr框架开发详细实例

package com.yourcompany.struts.action;

import java.util.List;
import org.apache.log4j.Logger;

import com.yourcompany.bean.CardDAO;

public class ValidateCard {
	 private Logger logger = Logger.getLogger(ValidateCard.class);
	public boolean validate(String cardname){
	
		CardDAO cardDAO=new CardDAO();		
	   List list=cardDAO.findByProperty("cardname", cardname);
	  
	  
	if (list.size()>0)
	{return true ;}
	else
	{return false ;}
			
	}

}