SchoolMapper.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
        "E:/myprojects/crm_activiti/webapp/WEB-INF/lib/mybatis-3.3.0.jar!/org/apache/ibatis/builder/xml/mybatis-3-mapper.dtd">
<mapper namespace="com.dituhui.mapper.CompanyMapper">

</mapper>