SqlMapConfig.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE configuration
PUBLIC "-//mybaits.org//DTD Config 3.0//EN"
"http://www.mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>
<!-- 配置别名 -->
<typeAliases>
<package name="ssm.po"/>
</typeAliases>
<!-- 扫描mapper包,批量加载mapper -->
<mappers>
<package name="ssm.mapper"/>
</mappers>
</configuration>