<?xml version="1.0" encoding="UTF-8" ?><!DOCTYPE configurationPUBLIC "-//mybatis.org//DTD Config 3.0//EN""http://mybatis.org/dtd/mybatis-3-config.dtd"><configuration>    <!-- 全局setting配置 ，根据需要再添加-->    <!-- 配置别名 -->    <typeAliases>        <!-- 批量扫描别名 -->        <package name="cn.Higgin.ssm.po"/>    </typeAliases>    <!-- 配置mapper     由于使用spring和mybatis的整合包进行整合，这了无需配置     但必须遵循：mapper.xml和mapper.xml文件同名且在同一目录-->    <!--<mappers></mappers>  --></configuration>

jdbc.driver=com.mysql.jdbc.Driverjdbc.url=jdbc:mysql://localhost:3306/mybatisjdbc.username=rootjdbc.password=

<beans xmlns="http://www.springframework.org/schema/beans"    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:mvc="http://www.springframework.org/schema/mvc"    xmlns:context="http://www.springframework.org/schema/context"    xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"    xsi:schemaLocation="http://www.springframework.org/schema/beans         http://www.springframework.org/schema/beans/spring-beans-3.2.xsd         http://www.springframework.org/schema/mvc         http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd         http://www.springframework.org/schema/context         http://www.springframework.org/schema/context/spring-context-3.2.xsd         http://www.springframework.org/schema/aop         http://www.springframework.org/schema/aop/spring-aop-3.2.xsd         http://www.springframework.org/schema/tx         http://www.springframework.org/schema/tx/spring-tx-3.2.xsd ">    <!-- 加载db.properties文件中的内容，db.properties文件中key命名要有一定的特殊规则 -->    <context:property-placeholder location="classpath:db.properties"/>    <!-- 配置数据源,dbcp -->    <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"        destroy-method="close">        <property name="driverClassName" value="${jdbc.driver}" />        <property name="url" value="${jdbc.url}" />        <property name="username" value="${jdbc.username}" />        <property name="password" value="${jdbc.password}" />        <property name="maxActive" value="30"/>        <property name="maxIdle" value="5"/>    </bean>    <!-- sqlSessionFactory -->    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">        <!-- 数据库连接池 -->        <property name="dataSource" ref="dataSource" />        <!-- 加载mybatis的全局配置文件 -->        <property name="configLocation" value="classpath:mybatis/sqlMapConfig.xml" />    </bean>        <!-- mapper扫描器 -->    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">        <!-- 扫描包路径，如果需要扫描多个包，中间使用半角逗号隔开 -->        <property name="basePackage" value="cn.Higgin.ssm.mapper"></property>        <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>    </bean>    </beans>

package cn.Higgin.ssm.po;/** *  商品信息的扩展 */public class ItemsCustom extends Items {        //添加商品信息扩展的属性}

<?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="cn.Higgin.ssm.mapper.ItemsMapperCustom" >   <!-- 定义商品查询的sql片段，就是商品查询条件 -->   <sql id="query_items_where">       <!-- 使用动态sql，通过if判断，满足条件进行sql拼接 -->       <!-- 商品查询条件通过ItemsQueryVo包装对象 中itemsCustom属性传递 -->           <if test="itemsCustom!=null">               <if test="itemsCustom.name!=null and itemsCustom.name!=‘‘">                   items.name LIKE ‘%${itemsCustom.name}%‘               </if>           </if>   </sql>            <!-- 商品列表查询 -->      <!-- parameterType：传入包装对象(包装了查询条件)          resultType：建议使用扩展对象       -->      <select id="findItemsList" parameterType="cn.Higgin.ssm.po.ItemsQueryVo"           resultType="cn.Higgin.ssm.po.ItemsCustom">          SELECT items.* FROM items            <where>              <include refid="query_items_where"></include>          </where>      </select>      </mapper>