<?xml version=\"1.0\" encoding=\"UTF-8\"?> 
<!DOCTYPE configuration PUBLIC \"-//mybatis.org//DTD Config 3.0//EN\" 
\"http://mybatis.org/dtd/mybatis-3-config.dtd\"> 
<configuration> 
<typeAliases> 
<!-- give a alias for model --> 
<typeAlias alias=\"goods\" type=\"com.clark.model.Goods\"></typeAlias> 
</typeAliases> 
<environments default=\"development\"> 
<environment id=\"development\"> 
<transactionManager type=\"JDBC\" /> 
<dataSource type=\"POOLED\"> 
<property name=\"driver\" value=\"oracle.jdbc.driver.OracleDriver\" /> 
<property name=\"url\" value=\"jdbc:oracle:thin:@172.30.0.125:1521:oradb01\" /> 
<property name=\"username\" value=\"settlement\" /> 
<property name=\"password\" value=\"settlement\" /> 
</dataSource> 
</environment> 
</environments> 
<mappers> 
<mapper resource=\"com/clark/model/goodsMapper.xml\" /> 
</mappers> 
</configuration>
<?xml version=\"1.0\" encoding=\"UTF-8\"?> 
<!DOCTYPE mapper PUBLIC \"-//mybatis.org//DTD Mapper 3.0//EN\" 
\"http://mybatis.org/dtd/mybatis-3-mapper.dtd\"> 
<mapper namespace=\"clark\"> 
<!-- 将db查询出来的结果映射到Model--Goods --> 
<resultMap type=\"com.clark.model.Goods\" id=\"t_good\"> 
<id column=\"id\" property=\"id\"/> 
<result column=\"cate_id\" property=\"cateId\"/> 
<result column=\"name\" property=\"name\"/> 
<result column=\"price\" property=\"price\"/> 
<result column=\"description\" property=\"description\"/> 
<result column=\"order_no\" property=\"orderNo\"/> 
<result column=\"update_time\" property=\"updateTime\"/> 
</resultMap> 
<!-- 根据id查询 返回Goods类型 <typeAlias alias=\"goods\" type=\"com.clark.model.Goods\"></typeAlias>--> 
<!--resultMap 和 resultType的使用区别--> 
<select id=\"selectGoodById\" parameterType=\"int\" resultType=\"goods\"> 
select id,cate_id,name,price,description,order_no,update_time 
from goods where id = #{id} 
</select> 
<!-- 查询所有Goods 返回resultMap类型--> 
<select id=\"selectAllGoods\" resultMap=\"t_good\"> 
select id,cate_id,name,price,description,order_no,update_time from goods 
</select> 
<!-- 指定parameterType=map 其中map的形式为Map<String,PageBean> map--> 
<select id=\"selectGoodsByPage\" resultMap=\"t_good\" parameterType=\"map\"> 
<!-- order by id asc是指对查询后的结果进行升序排序 --> 
<![CDATA[ 
select * from 
(select g.*,rownum rn from (select * from goods) g where 1=1 and rownum <= #{pageBean.endNumber}) 
where rn >= #{pageBean.startNumber}
order by id asc
]]> 
</select> 
<!-- 新增Goods 参数类型为Goods--> 
<insert id=\"insertGood\" parameterType=\"goods\"> 
insert into goods(id,cate_id,name,price,description,order_no,update_time) 
values(#{id},#{cateId},#{name},#{price},#{description},#{orderNo},#{updateTime}) 
</insert> 
<!-- 更新Goods 参数类型为Goods--> 
<update id=\"updateGood\" parameterType=\"goods\"> 
update goods g 
set g.name = #{name},g.order_no =#{orderNo} 
where g.id = #{id} 
</update> 
<!-- 删除Goods 参数类型为int--> 
<delete id=\"deleteGood\" parameterType=\"int\"> 
delete from goods g 
where g.id = #{id} 
</delete> 
</mapper>
package com.clark.model; 
import java.util.Date; 
public class Goods { 
private Integer id; 
private Integer cateId; 
private String name; 
private double price; 
private String description; 
private Integer orderNo; 
private Date updateTime; 
public Goods(){ 
} 
public Goods(Integer id, Integer cateId, String name, double price, 
String description, Integer orderNo, Date updateTime) { 
super(); 
this.id = id; 
this.cateId = cateId; 
this.name = name; 
this.price = price; 
this.description = description; 
this.orderNo = orderNo; 
this.updateTime = updateTime; 
} 
public Integer getId() { 
return id; 
} 
public void setId(Integer id) { 
this.id = id; 
} 
public Integer getCateId() { 
return cateId; 
} 
public void setCateId(Integer cateId) { 
this.cateId = cateId; 
} 
public String getName() { 
return name; 
} 
public void setName(String name) { 
this.name = name; 
} 
public double getPrice() { 
return price; 
} 
public void setPrice(double price) { 
this.price = price; 
} 
public String getDescription() { 
return description; 
} 
public void setDescription(String description) { 
this.description = description; 
} 
public Integer getOrderNo() { 
return orderNo; 
} 
public void setOrderNo(Integer orderNo) { 
this.orderNo = orderNo; 
} 
public Date getTimeStamp() { 
return updateTime; 
} 
public void setTimeStamp(Date updateTime) { 
this.updateTime = updateTime; 
} 
@Override 
public String toString() { 
return \"[goods include:Id=\"+this.getId()+\",name=\"+this.getName()+ 
\",orderNo=\"+this.getOrderNo()+\",cateId=\"+this.getCateId()+ 
\",updateTime=\"+this.getTimeStamp()+\"]\"; 
} 
}

package com.clark.model; 
//模拟的一个分页对象PageBean 
public class PageBean { 
//开始数 
private Integer startNumber; 
//结束数 
private Integer endNumber; 
public PageBean(){ 
} 
public PageBean(Integer startNumber, Integer endNumber) { 
super(); 
this.startNumber = startNumber; 
this.endNumber = endNumber; 
} 
public Integer getStartNumber() { 
return startNumber; 
} 
public void setStartNumber(Integer startNumber) { 
this.startNumber = startNumber; 
} 
public Integer getEndNumber() { 
return endNumber; 
} 
public void setEndNumber(Integer endNumber) { 
this.endNumber = endNumber; 
} 
}
package com.clark.mybatis; 
import java.io.IOException; 
import java.io.Reader; 
import java.util.HashMap; 
import java.util.List; 
import java.util.Map; 
import org.apache.ibatis.io.Resources; 
import org.apache.ibatis.session.SqlSession; 
import org.apache.ibatis.session.SqlSessionFactory; 
import org.apache.ibatis.session.SqlSessionFactoryBuilder; 
import com.clark.model.Goods; 
import com.clark.model.PageBean; 
public class TestGoods { 
public static void main(String[] args) throws IOException { 
String resource = \"configuration.xml\"; 
Reader reader = null; 
SqlSessionFactory sessionFactory = null; 
SqlSession session = null; 
try { 
reader = Resources.getResourceAsReader(resource); 
sessionFactory = new SqlSessionFactoryBuilder().build(reader); 
session = sessionFactory.openSession(); 
PageBean pageBean = new PageBean(8, 20); 
Map<String,PageBean> map = new HashMap<String, PageBean>(); 
map.put(\"pageBean\", pageBean); 
List<Goods> gs = findGoodsByPage(session,map); 
for (Goods goods2 : gs) { 
System.out.println(goods2.toString()); 
} 
} catch (IOException e) { 
e.printStackTrace(); 
}finally{ 
session.close(); 
reader.close(); 
} 
} 
//find by id 
public static Goods findGoodById(SqlSession session,Integer id){ 
//clark对应着goodMapper.xml配置文件中的namespace name=\"clark\" 
Goods goods = (Goods)session.selectOne(\"clark.selectGoodById\", id); 
return goods; 
} 
//find all 
public static List<Goods> findAllGoods(SqlSession session){ 
List<Goods> goods = session.selectList(\"clark.selectAllGoods\"); 
return goods; 
} 
public static List<Goods> findGoodsByPage(SqlSession session,Map<String,PageBean> map){ 
List<Goods> goods = session.selectList(\"clark.selectGoodsByPage\",map); 
return goods; 
} 
//insert a goods 
public static int insertGoods(SqlSession session,Goods goods){ 
int result = session.insert(\"clark.insertGood\", goods); 
session.commit(); 
return result; 
} 
//update goods 
public static int updateGoods(SqlSession session,Goods goods){ 
int result = session.update(\"clark.updateGood\", goods); 
session.commit(); 
return result; 
} 
//delete goods 
public static int deleteGood(SqlSession session,Integer id){ 
int result = session.delete(\"clark.deleteGood\", id); 
session.commit(); 
return result; 
} 
}