mybatis

log4j.properties 的配置

log4j.rootLogger=DEBUG,stdout

log4j.logger.org.mybatis=DEBUG

#stdoutis

set to be aConsoleAppender.

log4j.appender.stdout=org.apache.log4j.ConsoleAppender

#stdoutusesPatternLayout.

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

log4j.appender.stdout.layout.ConversionPattern=%5p

%d %C: %m%n

mybatis-config.xml的配置

<?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>

<typeAliases>

<type="com.elife.demo.pojo.Role" alias="role" />

</typeAliases>

数据库 -->

<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/test" />

<property name="username"

value="root" />

<property name="password"

value="123456" />

</dataSource>

</environment>

</environments>

<mappers>

<mapper resource="com/elife/demo/mapper/RoleMapper.xml" />

</mappers>

</configuration>

jdk 动态代理   el表达式  token