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  • Mybatis映射文件完整模板参照

    <mapper namespace="test">
    	<!-- parameterType:参数类型,填写实体类的完整名字 -->
    	<insert id="save" parameterType="cn.chentging.mybatis.entity.Employee">
    		insert into net_t_emp values(net_t_emp_seq.nextval,#{name},#{age})
    	</insert>
    	
    	<select id="findAll" resultType="cn.chentging.mybatis.entity.Employee">
    		select * from net_t_emp
    	</select>
    	
    	<select id="findById" parameterType="int" resultType="cn.chentging.mybatis.entity.Employee">
    		select * from net_t_emp where id=#{id1}
    	</select>
    	
    	<update id="modify" parameterType="cn.chentging.mybatis.entity.Employee">
    		update net_t_emp set name=#{name},age=#{age} where id=#{id}
    	</update>
    	
    	<delete id="delete" parameterType="int">
    		delete from net_t_emp where id=#{id1}
    	</delete>
    	
    	<!-- 返回Map类型的结果  map是java.util.Map的简写形式-->
    	<select id="findById2" parameterType="int" resultType="map">
    		select * from net_t_emp where id=#{id1}
    	</select>
    	
    	<!-- 使用resultMap解决表的字段名与实体类的属性名不一致的情况 -->
    	<resultMap type="cn.chentging.mybatis.entity.Emp" id="empRestultMap">
    		<result property="empNo" column="id"/>
    		<result property="ename" column="name"/>
    	</resultMap>
    	
    	<select id="findById3" parameterType="int" resultMap="empRestultMap">
    		select * from net_t_emp where id=#{id1}
    	</select>
    </mapper>

    <mapper namespace="test"><!-- parameterType:参数类型,填写实体类的完整名字 --><insert id="save" parameterType="cn.chentging.mybatis.entity.Employee"> insert into net_t_emp values(net_t_emp_seq.nextval,#{name},#{age}) </insert><select id="findAll" resultType="cn.chentging.mybatis.entity.Employee"> select * from net_t_emp </select><select id="findById" parameterType="int" resultType="cn.chentging.mybatis.entity.Employee"> select * from net_t_emp where id=#{id1} </select><update id="modify" parameterType="cn.chentging.mybatis.entity.Employee"> update net_t_emp set name=#{name},age=#{age} where id=#{id} </update><delete id="delete" parameterType="int"> delete from net_t_emp where id=#{id1} </delete><!-- 返回Map类型的结果 map是java.util.Map的简写形式--><select id="findById2" parameterType="int" resultType="map"> select * from net_t_emp where id=#{id1} </select><!-- 使用resultMap解决表的字段名与实体类的属性名不一致的情况 --><resultMap type="cn.chentging.mybatis.entity.Emp" id="empRestultMap"><result property="empNo" column="id"/><result property="ename" column="name"/></resultMap><select id="findById3" parameterType="int" resultMap="empRestultMap"> select * from net_t_emp where id=#{id1} </select></mapper>

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  • 原文地址:https://www.cnblogs.com/edda/p/12654186.html
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