addmoneybean.java

一个简单的班费管理系统

/*
 * addmoneyBean.java
 *
 * Created on 2007年12月8日, 下午11:59
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

package com.classmoney.sbean;

import com.classmoney.addmoneyRemote;
import com.classmoney.entity.Smoney;
import java.util.Date;
import javax.ejb.Remote;
import javax.ejb.Stateless;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;

/**
 *
 * @author Administrator
 */
@Stateless//无状态session bean
@Remote (addmoneyRemote.class)//接口文件
public class addmoneyBean implements com.classmoney.addmoneyRemote {
     @PersistenceContext
    
    protected EntityManager em;
    /** Creates a new instance of addmoneyBean */
    public addmoneyBean() {
    }
//添加用户的方法
    public boolean addmoney(double cmoney, Date ctime, String Username, short moneytype,String content) {
         try
        {
            Smoney smoney=new  Smoney();
            smoney.setCmoney(cmoney);
            smoney.setCtime(ctime);
            smoney.setStudent(Username);
            smoney.setMoneytype(Short.valueOf(moneytype));
            smoney.setContent(content);
            
            em.persist(smoney);
            
            
        }
        catch (Exception e)
        {
            e.printStackTrace();
            return false;
        }
        return true;
    }
    
}