02_MyBatis项目结构，所需jar包，ehcache.xml配置，log4j.properties,sqlMapConfig.xml配置，SqlMapGenerator.xml配置

<?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>

    <!-- 开启延迟加载 -->

    <settings>

       <!-- 全局的延迟加载的开关必须要开启 -->

       <setting name="lazyLoadingEnabled" value="true"/>

       <!-- 积极加载设置成false -->

        <setting name="aggressiveLazyLoading" value="false"/>

        <!-- 开启二级缓存, 缓存中只要是需要配置的针对的都是二级缓存  -->

        <setting name="cacheEnabled" value="true"/>

    </settings>

    <typeAliases>

       <!--

           自定义别名：

              type:要定义别名的数据类型

              alias：别名的内容

        -->

        <!--

           非自定义别名：

              在jdk中的所用的类的别名直接只用类名即可（不区分大小写）

              如果是基本数据类型的包装类还可以使用基本数据类型的名字

         -->

       <typeAlias type="com.rl.model1.QueryCondition" alias="qc"/>

       <typeAlias type="com.rl.model1.Person" alias="person"/>

    </typeAliases>

    <!-- 数据库的环境的配置 -->

    <environments default="development">

       <environment id="development">

           <transactionManager type="JDBC" />

           <dataSource type="POOLED">

              <property name="driver" value="com.mysql.jdbc.Driver" />

              <property name="url" value="jdbc:mysql://localhost:3306/mybatis" />

              <property name="username" value="root"/>

              <property name="password" value="123456"/>

           </dataSource>

       </environment>

    </environments>

    <!-- 集中管理表的映射文件 -->

    <mappers>

       <mapper resource="com/rl/mapper/PersonTestMapper.xml" />

       <mapper resource="com/rl/mapper/PersonMapper.xml" />

       <mapper resource="com/rl/mapper/RoleMapper.xml" />

       <mapper resource="com/rl/mapper/OrdersMapper.xml" />

       <mapper resource="com/rl/mapper/OrderDetailMapper.xml" />

    </mappers>

</configuration>

<?xml version="1.0" encoding="UTF-8" ?>

<!DOCTYPE generatorConfiguration PUBLIC "-//mybatis.org//DTD MyBatis Generator Configuration 1.0//EN" "http://mybatis.org/dtd/mybatis-generator-config_1_0.dtd" >

<generatorConfiguration>

    <!-- 指定mysql的驱动包的路径，不要放在中文路径下 -->

    <classPathEntry location="E:\MyEclipse10\MyBatis\lib\mysql-connector-java-5.0.8-bin.jar" />

    <!-- 配置数据源和生成的代码所存放的位置 -->

    <context id="context1">

       <commentGenerator>

           <!-- 去除自动生成的注释 -->

           <property name="suppressAllComments" value="true" />

       </commentGenerator>

       <jdbcConnection

           driverClass="com.mysql.jdbc.Driver"

           connectionURL="jdbc:mysql://127.0.0.1:3306/mybatis"

           userId="root"

           password="123456"/>

       <!-- 所生成的实体类的位置默认资源包src -->

       <javaModelGenerator targetPackage="com.rl.model1"

           targetProject="mybatis0420" />

       <!-- 所生成的sqlMap的影射文件的位置,默认资源包src -->

       <sqlMapGenerator targetPackage="com.rl.mapper"

           targetProject="mybatis0420" />

       <!-- 为哪些表生成代码 tableName:表名 schema:不用填写,其余属性是禁用例子查询的生成 -->

       <table schema="" tableName="role" enableCountByExample="false"

           enableUpdateByExample="false" enableDeleteByExample="false"

           enableSelectByExample="false" selectByExampleQueryId="false"/>

       <table schema="" tableName="person_role" enableCountByExample="false"

           enableUpdateByExample="false" enableDeleteByExample="false"

           enableSelectByExample="false" selectByExampleQueryId="false"/>

    </context>

</generatorConfiguration>

log4j.rootLogger=DEBUG, Console

#Console

log4j.appender.Console=org.apache.log4j.ConsoleAppender

log4j.appender.Console.layout=org.apache.log4j.PatternLayout

log4j.appender.Console.layout.ConversionPattern=%d [%t] %-5p [%c] - %m%n

log4j.logger.java.sql.ResultSet=INFO

log4j.logger.org.apache=INFO

log4j.logger.java.sql.Connection=DEBUG

log4j.logger.java.sql.Statement=DEBUG

log4j.logger.java.sql.PreparedStatement=DEBUG

<ehcache xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../config/ehcache.xsd">

    <diskStore path="java.io.tmpdir"/>

    <defaultCache

            maxElementsInMemory="10000"

            eternal="false"

            timeToIdleSeconds="120"

            timeToLiveSeconds="120"

            maxElementsOnDisk="10000000"

            diskExpiryThreadIntervalSeconds="120"

            memoryStoreEvictionPolicy="LRU">

        <persistence strategy="localTempSwap"/>

    </defaultCache>

</ehcache>