datadao.java

这是一个过滤器的Demo.大家可以参考下.希望能对大家有所帮助.

package com.accp.dao;

import com.accp.entity.DataBean;

public class DataDao {
    public int addData(DataBean dataBean){
    	return dataBean.getNum1() + dataBean.getNum2();
    }
    public int subData(DataBean dataBean){
    	return dataBean.getNum1() - dataBean.getNum2();
    }
}