ssm(Spring+Spring mvc+mybatis)Dao层配置sql的文件——DeptDaoMapper.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">

<!-- namespace：接口的全路径名 -->
<mapper namespace="org.dao.IDeptDao">   
    <!-- 查询全部数据 -->
    <select id="getDeptAll" resultType="org.entity.Dept">
        select * from dept
    </select>

    <!-- 添加部门 -->
    <insert id="saveEntity" parameterType="org.entity.Dept">
        insert into dept (id,name,loc) values(#{id},#{name},#{loc})
    </insert>

    <!-- 修改部门 -->
    <update id="updateEntity" parameterType="org.entity.Dept">
        update dept set name=#{name},loc=#{loc} where id=#{id}
    </update>

    <!-- 删除部门 -->
    <delete id="delEntity" parameterType="org.entity.Dept">
        delete from dept where id = #{id}
    </delete>

    <!-- 根据编号查询 -->
    <select id="getDeptById" resultType="org.entity.Dept" parameterType="int">
        select * from dept where id = #{id}
    </select>
</mapper>