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struts2+hibernate4+spring3+maven搭建项目：简单账务管理系统第三篇：设计思路之model层，dao层，和service层...

根据需求，数据库按照如下设计：

根据业务，表之间的关系如上图所示（hibernate可自动建表）。

本系统拟采用贫血模式设计，model层只有字段的内容，不包含数据库的操作方法，业务方法等。dao层只有sql文不包含业务，仅仅是根据数据表之间的关系，以可以想到的任何方式把对应model层的数据库中的内容取出，service层可以包含多个dao层，根据业务调用不同的dao层取出相应的内容，所谓业务，即任何与该Model有关的业务，不管是传入该Model作为参数还是得到该Model的实例或者List只要是跟该Model有关都是该Model的业务。不知道这样理解对不对，反正我就这么做啦，还是望大神们不吝赐教啊。

说这么多也没用，最重要的是上代码~~~

先看pojo和hibernate文件，找两个关系最简单地表，其他的依次类推，就比如goods表和goodsprice表

package com.medclub.pojo;

import java.io.Serializable;
import java.util.HashSet;
import java.util.Set;

public class GoodsPojo implements Serializable{

    @Override
    public String toString() {
        return "GoodsPojo [id=" + id + ", name=" + name + ", goodsPrices="
                + goodsPrices + "]";
    }
    private Integer id;
    private String name;
    //private Set<GoodsCommentPojo> goodsComments=new HashSet<GoodsCommentPojo>();
    private Set<GoodsPricePojo> goodsPrices=new HashSet<GoodsPricePojo>();
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    public Integer getId() {
        return id;
    }
    public void setId(Integer id) {
        this.id = id;
    }
/*    public Set<GoodsCommentPojo> getGoodsComments() {
        return goodsComments;
    }
    public void setGoodsComments(Set<GoodsCommentPojo> goodsComments) {
        this.goodsComments = goodsComments;
    }*/
    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + ((name == null) ? 0 : name.hashCode());
        return result;
    }
    @Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (obj == null)
            return false;
        if (getClass() != obj.getClass())
            return false;
        GoodsPojo other = (GoodsPojo) obj;
        if (name == null) {
            if (other.name != null)
                return false;
        } else if (!name.equals(other.name))
            return false;
        return true;
    }
    public Set<GoodsPricePojo> getGoodsPrices() {
        return goodsPrices;
    }
    public void setGoodsPrices(Set<GoodsPricePojo> goodsPrices) {
        this.goodsPrices = goodsPrices;
    }
    
}
GoodsPojo 
 1 package com.medclub.pojo;
 2 
 3 import java.io.Serializable;
 4 import java.util.HashSet;
 5 import java.util.Set;
 6 
 7 public class GoodsPricePojo implements Serializable{
 8     @Override
 9     public String toString() {
10         return "GoodsPricePojo [id=" + id + ", price=" + price + ", goods="
11                 + goods + ", market=" + market + "]";
12     }
13     private Integer id;
14     private Double price;
15     private GoodsPojo goods;
16     private MarketPojo market;
17     private Set<OrderItemPojo> orderItems=new HashSet<OrderItemPojo>();
18     public Integer getId() {
19         return id;
20     }
21     public void setId(Integer id) {
22         this.id = id;
23     }
24     public GoodsPojo getGoods() {
25         return goods;
26     }
27     public void setGoods(GoodsPojo goods) {
28         this.goods = goods;
29     }
30     public MarketPojo getMarket() {
31         return market;
32     }
33     public void setMarket(MarketPojo market) {
34         this.market = market;
35     }
36 
37     @Override
38     public int hashCode() {
39         final int prime = 31;
40         int result = 1;
41         result = prime * result + ((goods == null) ? 0 : goods.hashCode());
42         result = prime * result + ((market == null) ? 0 : market.hashCode());
43         return result;
44     }
45     @Override
46     public boolean equals(Object obj) {
47         if (this == obj)
48             return true;
49         if (obj == null)
50             return false;
51         if (getClass() != obj.getClass())
52             return false;
53         GoodsPricePojo other = (GoodsPricePojo) obj;
54         if (goods == null) {
55             if (other.goods != null)
56                 return false;
57         } else if (!goods.equals(other.goods))
58             return false;
59         if (market == null) {
60             if (other.market != null)
61                 return false;
62         } else if (!market.equals(other.market))
63             return false;
64         return true;
65     }
66     public Double getPrice() {
67         return price;
68     }
69     public void setPrice(Double price) {
70         this.price = price;
71     }
72     public Set<OrderItemPojo> getOrderItems() {
73         return orderItems;
74     }
75     public void setOrderItems(Set<OrderItemPojo> orderItems) {
76         this.orderItems = orderItems;
77     }
78     
79 }
GoodsPricePojo 
 <class entity-name="com.medclub.pojo.GoodsPojo" name="GoodsPojo" table="Goods">
  <id column="id" name="id">
   <generator class="identity"/>
  </id>
  <property generated="never" lazy="false"  name="name"/>
   <set lazy="false" inverse="true" name="goodsPrices" sort="unsorted">
   <key column="goods_id"/>
   <one-to-many class="GoodsPricePojo"/>
  </set>
 </class>
 <class entity-name="com.medclub.pojo.GoodsPricePojo" name="GoodsPricePojo" table="GoodsPrice">
 <id column="id" name="id">
 <generator class="identity"></generator>
</id>
<property generated="never" lazy="false"  name="price"/>
<many-to-one name="market" lazy="false"  column="market_id"/>
<many-to-one name="goods" lazy="false"  column="goods_id"/>
<set  lazy="false" inverse="true"  name="orderItems">
<key column="goodsprice_id"/>
<one-to-many class="OrderItemPojo"/>
</set>
 </class>
test.hbm.xml

只是这两个Pojo的配置文件，因此就单独列出来，便于理解，其他的依次类推就好（不同的model层可以配置在不同的*.hbm.xml文件中此处不深究）。

然后是Dao层，Dao层的设计如下：

DAO接口是所有最基础的增删查改的方法的定义，其他的ModelDao接口继承该接口并拥有自己独立的方法；

BaseDao实现（implements）DAO接口，并继承(extends)SpringSessionContext（这个类操作事务提供数据库的Session）其他的ModelDaoImpl继承(extends)这个BaseDao并实现（implements）自己的接口,如ModelDao

说这么多还是举例子最靠谱，是上面GoodsPojo和GoodsPrice对应的Dao层：

 1 package com.medclub.dao;
 2 
 3 import java.io.Serializable;
 4 import java.util.List;
 5 
 6 public interface DAO{
 7 public Object getObject(Class clazz,Serializable id);
 8 public List getObjectList(Class clazz);
 9 public void saveObject(Object obj);
10 public void deleteObject(Class clazz,Serializable id);
11 public List getObjectListByExample(Object example);
12 public void saveOrUpdateObject(Object obj);
13 public List getByExampleLike(Object example);
14 public void save(Object obj);
15 }
DAO 
  1 package com.medclub.dao;
  2 
  3 import java.io.Serializable;
  4 import java.util.Iterator;
  5 import java.util.List;
  6 import java.util.Map;
  7 import java.util.Set;
  8 import java.util.Map.Entry;
  9 
 10 import org.hibernate.Query;
 11 import org.hibernate.Session;
 12 import org.hibernate.criterion.MatchMode;
 13 import org.hibernate.criterion.Restrictions;
 14 import org.hibernate.engine.spi.SessionFactoryImplementor;
 15 import org.springframework.orm.ObjectRetrievalFailureException;
 16 import org.springframework.orm.hibernate4.SpringSessionContext;
 17 import org.hibernate.Criteria;
 18 
 19 import com.kc.reign.util.ReflectHelper;
 20 import com.medclub.pojo.DepartmentPojo;
 21 
 22 
 23 public class BaseDao<T extends Serializable,PK extends Serializable> extends SpringSessionContext implements DAO{
 24     public BaseDao(SessionFactoryImplementor sessionFactory) {
 25         super(sessionFactory);
 26         // TODO Auto-generated constructor stub
 27     }
 28     protected ReflectHelper helper;
 29     public ReflectHelper getHelper() {
 30         return helper;
 31     }
 32 
 33 
 34     public void setHelper(ReflectHelper helper) {
 35         this.helper = helper;
 36     }
 37 
 38 
 39     public Object getObject(Class clazz, Serializable id) {
 40         // TODO Auto-generated method stub
 41     Object o= getHibernateTemplate().get(clazz, id);
 42     if(o==null){
 43         throw new ObjectRetrievalFailureException(clazz,id);
 44     }
 45     return o;
 46     }
 47 
 48 
 49     protected Session getHibernateTemplate() {
 50         // TODO Auto-generated method stub
 51         return currentSession();
 52     }
 53 
 54 
 55     public List<T> getObjectList(Class clazz) {
 56         // TODO Auto-generated method stub
 57 
 58         return getHibernateTemplate().createQuery("from "+clazz.getName()).list();
 59     }
 60 
 61     public void saveObject(Object obj) {
 62         // TODO Auto-generated method stub
 63         getHibernateTemplate().save(obj);
 64     }
 65 
 66     public void deleteObject(Class clazz, Serializable id) {
 67         // TODO Auto-generated method stub
 68         getHibernateTemplate().delete(getObject(clazz, id));
 69     }
 70     public List<T> getObjectListByExample(Object example){
 71         Map<String,Object> objmap=helper.getMapFromObj(example);
 72         return getHibernateTemplate().createCriteria(example.getClass()).add(Restrictions.allEq(objmap)).list();
 73     }
 74 
 75 
 76     public void saveOrUpdateObject(Object obj) {
 77         // TODO Auto-generated method stub
 78         getHibernateTemplate().saveOrUpdate(obj);
 79     }
 80 
 81     public void save(Object obj){
 82         getHibernateTemplate().save(obj);
 83     }
 84     public List<T> getByExampleLike(Object example) {
 85         // TODO Auto-generated method stub
 86         Map<String,Object> objmap=helper.getMapFromObj(example);
 87         Criteria criteria=getHibernateTemplate().createCriteria(example.getClass());
 88            Set<Entry<String, Object>> entries=objmap.entrySet();
 89            if(entries!=null)
 90            {
 91                Iterator<Entry<String, Object>> it=entries.iterator();
 92                while(it.hasNext())
 93                {
 94                    Map.Entry<String,Object> entry=(Entry<String, Object>) it.next();
 95                    if(entry.getKey()!=null&&entry.getValue()!=null)
 96                    {
 97                        if(!entry.getValue().toString().trim().equals("")){
 98                            criteria.add(Restrictions.ilike(entry.getKey(),(String)entry.getValue(),MatchMode.ANYWHERE));
 99                        }
100                    }
101                }
102            }
103         return criteria.list(); 
104     }
105 
106 }
BaseDao 
 1 package com.medclub.tests.dao;
 2 
 3 import java.util.Date;
 4 import java.util.List;
 5 
 6 import com.medclub.dao.DAO;
 7 import com.medclub.pojo.GoodsPojo;
 8 import com.medclub.pojo.GoodsPricePojo;
 9 
10 public interface GoodsDao extends DAO{
11     public List<GoodsPojo> getByNameLike(String name);
12 }
GoodsDao extends DAO 
 1 package com.medclub.tests.dao;
 2 
 3 import java.util.Date;
 4 import java.util.List;
 5 
 6 import com.medclub.dao.DAO;
 7 import com.medclub.pojo.GoodsCarPojo;
 8 import com.medclub.pojo.GoodsPojo;
 9 import com.medclub.pojo.GoodsPricePojo;
10 import com.medclub.pojo.MarketPojo;
11 import com.medclub.pojo.OrderItemPojo;
12 
13 public interface GoodsPriceDao extends DAO{
14     
15     public List<GoodsPricePojo> getByGoods(GoodsPojo pojo);//通过商品得到商品对应单价
16     public List<GoodsPricePojo> getByMarket(MarketPojo pojo);//通过超市得到超市对应的所有单价
17     public List<GoodsPricePojo> getOneByGoodsAndMarket(GoodsPojo goods,MarketPojo market);//通过商品和超市得到具体的商品单价
18     public GoodsPricePojo getTheLowestPriceByGoods(GoodsPojo goods);//通过商品得到最低单价（未实现！）
19 }
GoodsPriceDao extends DAO 
package com.medclub.tests.daoimpl;

import java.util.Date;
import java.util.List;

import org.hibernate.Criteria;
import org.hibernate.engine.spi.SessionFactoryImplementor;

import com.medclub.dao.BaseDao;
import com.medclub.pojo.GoodsCarPojo;
import com.medclub.pojo.GoodsPojo;
import com.medclub.pojo.GoodsPricePojo;
import com.medclub.tests.dao.GoodsDao;

public class GoodsDaoImpl extends BaseDao<GoodsPojo,Integer> implements GoodsDao{

    public GoodsDaoImpl(SessionFactoryImplementor sessionFactory) {
        super(sessionFactory);//sessionFactory：注入
        // TODO Auto-generated constructor stub
    }
               //通过商品名称得到商品
    public List<GoodsPojo> getByNameLike(String name) {
        // TODO Auto-generated method stub
        GoodsPojo goods=new GoodsPojo();
        goods.setName(name);
        return getByExampleLike(goods);//通过Like得到List
    }


}
GoodsDaoImpl extends BaseDao<GoodsPojo,Integer> implements GoodsDao 
 1 package com.medclub.tests.daoimpl;
 2 
 3 import java.util.List;
 4 
 5 import org.hibernate.Query;
 6 import org.hibernate.engine.spi.SessionFactoryImplementor;
 7 
 8 import com.medclub.dao.BaseDao;
 9 import com.medclub.pojo.GoodsCarPojo;
10 import com.medclub.pojo.GoodsPojo;
11 import com.medclub.pojo.GoodsPricePojo;
12 import com.medclub.pojo.MarketPojo;
13 import com.medclub.pojo.OrderItemPojo;
14 import com.medclub.tests.dao.GoodsPriceDao;
15 
16 public class GoodsPriceDaoImpl extends BaseDao<GoodsPricePojo,Integer> implements GoodsPriceDao{
17     private final String HQL="from GoodsPricePojo as g";
18     public GoodsPriceDaoImpl(SessionFactoryImplementor sessionFactory) {
19         super(sessionFactory);
20         // TODO Auto-generated constructor stub
21     }
22 
23     public List<GoodsPricePojo> getByGoods(GoodsPojo pojo) {
24         // TODO Auto-generated method 
25         Integer goodsid=pojo.getId();
26         StringBuffer hql=new StringBuffer(HQL);
27         hql.append(" where g.goods.id=:goodsid");//单价与商品：多对一，由单价来维护与商品之间的关系
28         Query q=getHibernateTemplate().createQuery(hql.toString());
29         q.setParameter("goodsid",goodsid);
30         return q.list();
31     }
32 
33     public List<GoodsPricePojo> getByMarket(MarketPojo pojo) {
34         // TODO Auto-generated method stub
35         Integer marketid=pojo.getId();
36         StringBuffer hql=new StringBuffer(HQL);
37         hql.append(" where g.market.id=:marketid");
38 //单价与超市：一对多，由单价 维护与超市之间的关系        
39 Query q=getHibernateTemplate().createQuery(hql.toString());
40         q.setParameter("marketid",marketid);
41         return q.list();
42     }
43 
44     public List<GoodsPricePojo> getOneByGoodsAndMarket(GoodsPojo goods,
45             MarketPojo market) {
46         // TODO Auto-generated method stub
47         Integer marketid=market.getId();
48         Integer goodsid=goods.getId();
49         StringBuffer hql=new StringBuffer(HQL);
50         hql.append(" where g.goods.id=:goodsid and g.market.id=:marketid");
51         Query q=getHibernateTemplate().createQuery(hql.toString());
52         q.setParameter("goodsid",goodsid);
53         q.setParameter("marketid", marketid);
54         return q.list();
55     }
56 
57 //    public List<GoodsPricePojo> getByOrderItem(OrderItemPojo order) {
58 //        // TODO Auto-generated method stub
59 //        return null;
60 //    }
61 
62 //    public List<GoodsPricePojo> getByGoodsCar(GoodsCarPojo goodsCar) {
63 //        // TODO Auto-generated method stub
64 //        Integer goodscarid=goodsCar.getId();
65 //        StringBuffer hql=new StringBuffer(HQL);
66 //        hql.append(" where g.goodscar.id=:goodscarid");
67 //        return null;
68 //    }
69                 //未实现，也没用到
70     public GoodsPricePojo getTheLowestPriceByGoods(GoodsPojo goods) {
71         // TODO Auto-generated method stub
72         return null;
73     }
74 
75 
76 }
GoodsPriceDaoImpl extends BaseDao<GoodsPricePojo,Integer> implements GoodsPriceDao

泛型的话，是因为在类加载前加载父类时就初始化Model的实例，对性能比较好，而且可以对BaseDao中的返回值进行处理，不用返回Object再强转，这只是我浅薄的理解，具体的望大神们不吝赐教！

不过貌似大神们都是来看热闹的哎，，，好吧，我献丑啦

接下来是最后的Service层，在Service-Context.xml中配置Service层的组件，依然是先接口再实例，spring的代理之前讲过，是先JDK代理再CGLIB，即配置文件中是实体类，引用的时候引用接口，此处就提一下，不深究啦。配置文件以及例子（还是Goods和GoodsPrice）如下：

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN"
"http://www.springframework.org/dtd/spring-beans.dtd">
<beans>
<bean id="goodsService" class="com.medclub.service.impl.GoodsServiceImpl">
<property name="daoGoods"><ref bean="goodsDao"/></property>
<property name="daoGoodsPrice"><ref bean="goodsPriceDao"/></property>
</bean>
<bean id="goodsPriceService" class="com.medclub.service.impl.GoodsPriceServiceImpl">
<property name="daoGoodsPrice"><ref bean="goodsPriceDao"/></property>
</bean>
</beans>
service-context.xml 
 1 package com.medclub.service;
 2 
 3 import java.util.Date;
 4 import java.util.List;
 5 
 6 import com.medclub.pojo.GoodsCarPojo;
 7 import com.medclub.pojo.GoodsPojo;
 8 import com.medclub.pojo.GoodsPricePojo;
 9 import com.medclub.pojo.MarketPojo;
10 
11 public interface GoodsService {
12 public void saveOrUpdateGoods(GoodsPojo goods);//保存或者更新商品
13 public List<GoodsPojo> getAllGoods();//得到所有的商品
14 public List<GoodsPojo> getNameSpecifiedGoods(String name);//通过商品名的到商品
15 public List<GoodsPricePojo> getGoodsPricesByGoods(GoodsPojo goods);//通过商品得到商品单价
16 public void DeleteGoods(GoodsPojo goods);//删除商品
17 public List<GoodsPojo> getByExample(GoodsPojo goods);//通过实体得到列表
18 
19 }
GoodsService 
 1 package com.medclub.service;
 2 
 3 
 4 
 5 import java.util.List;
 6 
 7 import com.medclub.pojo.GoodsPojo;
 8 import com.medclub.pojo.GoodsPricePojo;
 9 import com.medclub.pojo.MarketPojo;
10 
11 public interface GoodsPriceService {
12     public void SaveOrUpdateGoodsPrice(GoodsPricePojo goodsPrice);
13     public void deleteGoodsPrice(GoodsPricePojo goodsPrice);
14     public List<GoodsPricePojo> getByMarket(MarketPojo market);
15     public List<GoodsPricePojo> getByGoods(GoodsPojo goods);
16     public List<GoodsPricePojo> getByGoodsAndMarket(GoodsPojo goods,MarketPojo market);
17     public List<GoodsPricePojo> getAllPrices();
18 }
GoodsPriceService 
 1 package com.medclub.service.impl;
 2 
 3 import java.util.List;
 4 
 5 import com.medclub.pojo.GoodsPojo;
 6 import com.medclub.pojo.GoodsPricePojo;
 7 import com.medclub.pojo.MarketPojo;
 8 import com.medclub.service.GoodsService;
 9 import com.medclub.tests.dao.GoodsDao;
10 import com.medclub.tests.dao.GoodsPriceDao;
11 
12 public class GoodsServiceImpl implements GoodsService{
13 
14     private GoodsDao daoGoods;//商品Dao注入
15     private GoodsPriceDao daoGoodsPrice;//商品单价Dao注入
16              /*保存商品*/
17     public void saveOrUpdateGoods(GoodsPojo goods) {
18         // TODO Auto-generated method stub
19         daoGoods.saveOrUpdateObject(goods);
20     }
21                /*得到所有商品*/
22     public List<GoodsPojo> getAllGoods() {
23         // TODO Auto-generated method stub
24         return daoGoods.getObjectList(GoodsPojo.class);
25     }
26                 /*通过名字得到商品*/
27     public List<GoodsPojo> getNameSpecifiedGoods(String name) {
28         // TODO Auto-generated method stub
29         return daoGoods.getByNameLike(name);
30     }
31                /*通过超市得到商品列表*/
32     public List<GoodsPojo> getGoodsByMarket(MarketPojo market) {
33         // TODO Auto-generated method stub
34         return null;
35     }
36                 /*删除商品*/
37     public void DeleteGoods(GoodsPojo goods) {
38         // TODO Auto-generated method stub
39         daoGoods.deleteObject(GoodsPojo.class,goods.getId());
40     }
41                  /*注入商品dao*/
42     public GoodsDao getDaoGoods() {
43         return daoGoods;
44     }
45 
46     public void setDaoGoods(GoodsDao daoGoods) {
47         this.daoGoods = daoGoods;
48     }
49                 /*通过商品得到单价*/
50 
51     public List<GoodsPricePojo> getGoodsPricesByGoods(GoodsPojo goods) {
52         // TODO Auto-generated method stub
53         return daoGoodsPrice.getByGoods(goods);
54     }
55                  /*通过例子得到商品列表*/
56 
57     public List<GoodsPojo> getByExample(GoodsPojo goods) {
58         // TODO Auto-generated method stub
59         return daoGoods.getObjectListByExample(goods);
60     }
61                  /*注入单价Dao*/
62     public GoodsPriceDao getDaoGoodsPrice() {
63         return daoGoodsPrice;
64     }
65 
66     public void setDaoGoodsPrice(GoodsPriceDao daoGoodsPrice) {
67         this.daoGoodsPrice = daoGoodsPrice;
68     }
69 }
GoodsServiceImpl implements GoodsService 
 1 package com.medclub.service.impl;
 2 
 3 import java.util.List;
 4 
 5 import com.medclub.pojo.GoodsPojo;
 6 import com.medclub.pojo.GoodsPricePojo;
 7 import com.medclub.pojo.MarketPojo;
 8 import com.medclub.service.GoodsPriceService;
 9 import com.medclub.tests.dao.GoodsPriceDao;
10 
11 public class GoodsPriceServiceImpl implements GoodsPriceService{
12     private GoodsPriceDao daoGoodsPrice;//注入单价dao
13                 //保存或者更新单价
14     public void SaveOrUpdateGoodsPrice(GoodsPricePojo goodsPrice) {
15         // TODO Auto-generated method stub
16         daoGoodsPrice.saveOrUpdateObject(goodsPrice);
17     }
18                //删除单价
19     public void deleteGoodsPrice(GoodsPricePojo goodsPrice) {
20         // TODO Auto-generated method stub
21         daoGoodsPrice.deleteObject(GoodsPricePojo.class, goodsPrice.getId());
22     }
23                 //注入单价dao
24     public GoodsPriceDao getDaoGoodsPrice() {
25         return daoGoodsPrice;
26     }
27 
28     public void setDaoGoodsPrice(GoodsPriceDao daoGoodsPriceDao) {
29         this.daoGoodsPrice = daoGoodsPriceDao;
30     }
31                //通过超市得到所有单价
32     public List<GoodsPricePojo> getByMarket(MarketPojo market) {
33         // TODO Auto-generated method stub
34         return daoGoodsPrice.getByMarket(market);
35     }
36                //通过商品得到单价
37     public List<GoodsPricePojo> getByGoods(GoodsPojo goods) {
38         // TODO Auto-generated method stub
39         return daoGoodsPrice.getByGoods(goods);
40     }
41                  //通过商品和超市得到单价
42     public List<GoodsPricePojo> getByGoodsAndMarket(GoodsPojo goods,
43             MarketPojo market) {
44         // TODO Auto-generated method stub
45         return daoGoodsPrice.getOneByGoodsAndMarket(goods, market);
46     }
47                //得到所有单价
48     public List<GoodsPricePojo> getAllPrices() {
49         // TODO Auto-generated method stub
50         return daoGoodsPrice.getObjectList(GoodsPricePojo.class);
51     }
52 
53 }
GoodsPriceServiceImpl implements GoodsPriceService


恩，这一篇就写到这里吧，后面再总结action和jsp表现层部分

 

 

 

 

 

转载于:https://www.cnblogs.com/saajireign/archive/2013/05/23/3095779.html