mybatis xml 配置文件概述

<?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>

    <properties></properties>
    <settings></settings>
    <typeAliases></typeAliases>
    <typeHandlers></typeHandlers>
    <objectFactory></objectFactory>
    <plugins></plugins>
    <environments>
        <environment>
            <transactionManager/>
            <dataSource>
            </dataSource>
        </environment>
    </environments>
    <databaseIdProvider></databaseIdProvider>    
    <mappers>
    </mappers>
</configuration>