spring的jdbcTemplate查询不到数据
搞了一个晚上，未果。
测试代码如下：
测试代码
package
org.xiziyin.shop.dal.dao.jdbcimpl;
import
org.springframework.beans.factory.InitializingBean;
import
org.springframework.context.ApplicationContext;
import
org.springframework.context.support.ClassPathXmlApplicationContext;
import
org.testng.Assert;
import
org.testng.annotations.BeforeTest;
import
org.testng.annotations.Test;
import
org.xiziyin.shop.BaseTest;
import
org.xiziyin.shop.dal.dao.GoodsDAO;
import
org.xiziyin.shop.dal.dao.exception.DAOException;
import
org.xiziyin.shop.dal.dataobject.Goods;
import
java.util.List;
/**
* Class JdbcTemplateGoodsDAOTest ...
*
*
@author
<a href="mailto:[email protected]">czy</a>
* Created on 2010-2-4 22:20:36
*/
public
class
JdbcTemplateGoodsDAOTest
extends
BaseTest
implements
InitializingBean{
private
GoodsDAO goodsDAO;
/**
* Method getGoodsDAO returns the goodsDAO of this JdbcTemplateGoodsDAOTest object.
*
*
*
*
@return
the goodsDAO (type GoodsDAO) of this JdbcTemplateGoodsDAOTest object.
*/
public
GoodsDAO getGoodsDAO() {
return
goodsDAO;
}
/**
* Method setGoodsDAO sets the goodsDAO of this JdbcTemplateGoodsDAOTest object.
*
*
*
*
@param
goodsDAO the goodsDAO of this JdbcTemplateGoodsDAOTest object.
*
*/
public
void
setGoodsDAO(GoodsDAO goodsDAO) {
this
.goodsDAO
=
goodsDAO;
}
/**
* Method testGetGoodsList ...
*
@throws
DAOException when
*/
@Test
public
void
testGetGoodsList()
throws
DAOException {
List
<
Goods
>
list
=
this
.goodsDAO.getGoodsList();
System.out.println(list.size());
System.out.println(list.get(
0
).getName());
}
/**
* Method testGetGoodsById ...
*
@throws
Exception when
*/
@Test
public
void
testGetGoodsById()
throws
Exception {
Goods goods
=
this
.goodsDAO.getGoodsById(
1L
);
Assert.assertNotNull(goods);
System.out.println(goods.getName());
}
/**
* Method afterPropertiesSet ...
*
@throws
Exception when
*/
@BeforeTest
public
void
afterPropertiesSet()
throws
Exception {
ApplicationContext context
=
new
ClassPathXmlApplicationContext(
"
/applicationContext.xml
"
);
this
.goodsDAO
=
(GoodsDAO) context.getBean(
"
goodsDAO
"
);
}
}
主程序代码：
主程序代码
package
org.xiziyin.shop.dal.dao.jdbcimpl;
import
org.springframework.jdbc.core.JdbcTemplate;
import
org.springframework.jdbc.core.RowCallbackHandler;
import
org.xiziyin.shop.dal.dao.GoodsDAO;
import
org.xiziyin.shop.dal.dao.exception.DAOException;
import
org.xiziyin.shop.dal.dataobject.Goods;
import
java.sql.ResultSet;
import
java.sql.SQLException;
import
java.util.ArrayList;
import
java.util.List;
/**
* Class JdbcTemplateGoodsDAO ...
*
*
@author
<a href="mailto:[email protected]">czy</a>
* Created on 2010-2-4 22:14:41
*/
public
class
JdbcTemplateGoodsDAO
implements
GoodsDAO {
private
JdbcTemplate jdbcTemplate;
/**
* Method getJdbcTemplate returns the jdbcTemplate of this JdbcTemplateGoodsDAO object.
*
*
@return
the jdbcTemplate (type JdbcTemplate) of this JdbcTemplateGoodsDAO object.
*/
public
JdbcTemplate getJdbcTemplate() {
return
jdbcTemplate;
}
/**
* Method setJdbcTemplate sets the jdbcTemplate of this JdbcTemplateGoodsDAO object.
*
*
@param
jdbcTemplate the jdbcTemplate of this JdbcTemplateGoodsDAO object.
*/
public
void
setJdbcTemplate(JdbcTemplate jdbcTemplate) {
this
.jdbcTemplate
=
jdbcTemplate;
}
/**
* Method getGoodsById ...
*
*
@param
id of type Long
*
*
@return
Goods
*
*
@throws
DAOException when
*/
@Override
public
Goods getGoodsById(Long id)
throws
DAOException {
final
Goods goods
=
new
Goods();
this
.jdbcTemplate.query(
"
select * from goods where id = ?
"
,
new
Object[]{id},
new
RowCallbackHandler(){
/**
@see
org.springframework.jdbc.core.RowCallbackHandler#processRow(ResultSet)
*/
@Override
public
void
processRow(ResultSet rs)
throws
SQLException {
if
(rs.next()) {
goods.setId(rs.getLong(
1
));
goods.setName(rs.getString(
2
));
goods.setQuantity(rs.getInt(
3
));
goods.setPrice(rs.getDouble(
4
));
goods.setDescribe(rs.getString(
5
));
}
}
});
//
Goods goods = new Goods();
//
goods = (Goods) this.jdbcTemplate.queryForObject("select * from goods where id=?", new Object[]{id}, new RowMapper() {
//
//
@Override public Object mapRow(ResultSet rs, int rowNum) throws SQLException {
//
Goods g = new Goods();
//
if (rs.next()) {
//
g.setId(rs.getLong(1));
//
g.setName(rs.getString(2));
//
g.setQuantity(rs.getInt(3));
//
g.setPrice(rs.getDouble(4));
//
g.setDescribe(rs.getString(5));
//
}
//
return g;
//
}
//
});
return
goods;
}
/**
* Method getGoodsList returns the goodsList of this JdbcTemplateGoodsDAO object.
*
*
@return
the goodsList (type List<Goods>) of this JdbcTemplateGoodsDAO object.
*
*
@throws
DAOException when
*/
@Override
public
List
<
Goods
>
getGoodsList()
throws
DAOException {
final
List
<
Goods
>
list
=
new
ArrayList
<
Goods
>
();
this
.jdbcTemplate.query(
"
select * from goods
"
,
new
Object[]{},
new
RowCallbackHandler() {
/**
@see
org.springframework.jdbc.core.RowCallbackHandler#processRow(ResultSet)
*/
@Override
public
void
processRow(ResultSet rs)
throws
SQLException {
while
(rs.next()) {
Goods goods
=
new
Goods();
goods.setId(rs.getLong(
1
));
goods.setName(rs.getString(
2
));
goods.setQuantity(rs.getInt(
3
));
goods.setPrice(rs.getDouble(
4
));
goods.setDescribe(rs.getString(
5
));
list.add(goods);
}
}
});
return
list;
}
}
很奇怪的是使用getAllGoods的时候能够将结果正确的返回，而是用id来查询的时候却根本查不到值。难道是bug？使用sql在mysql里面查询是正常的，bean配置都正确。