Mybatis配置文件与约束

1.Mybatis主配置文件mybatis.xml

<?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>

	<!-- 配置内容 -->

</configuration>

2.mybits 映射文件mapper.xml

<?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="命名空间">

	<!-- SQL语句 -->

</mapper>

MyBatis 约束文件 是约束xml规范的。常见的有2种*.dtd  *.xsd
MyBatis的约束文件位置，都放在jar包里面
org.apache.ibatis.builder.xml.mybatis-3-config.dtd

org.apache.ibatis.builder.xml.mybatis-3-mapper.dtd