TestHhhMapper.xml
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<?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="com.ruoyi.system.mapper.TestHhhMapper">
<resultMap type="TestHhh" id="TestHhhResult">
<result property="id" column="id" />
<result property="name" column="name" />
<result property="age" column="age" />
</resultMap>
<sql id="selectTestHhhVo">
select id, name, age from test_hhh
</sql>
<select id="selectTestHhhList" parameterType="TestHhh" resultMap="TestHhhResult">
<include refid="selectTestHhhVo"/>
<where>
<if test="name != null and name != ''"> and name like concat('%', #{name}, '%')</if>
<if test="age != null "> and age = #{age}</if>
</where>
</select>
<select id="selectTestHhhById" parameterType="Long" resultMap="TestHhhResult">
<include refid="selectTestHhhVo"/>
where id = #{id}
</select>
<insert id="insertTestHhh" parameterType="TestHhh" useGeneratedKeys="true" keyProperty="id">
insert into test_hhh
<trim prefix="(" suffix=")" suffixOverrides=",">
<if test="name != null">name,</if>
<if test="age != null">age,</if>
</trim>
<trim prefix="values (" suffix=")" suffixOverrides=",">
<if test="name != null">#{name},</if>
<if test="age != null">#{age},</if>
</trim>
</insert>
<update id="updateTestHhh" parameterType="TestHhh">
update test_hhh
<trim prefix="SET" suffixOverrides=",">
<if test="name != null">name = #{name},</if>
<if test="age != null">age = #{age},</if>
</trim>
where id = #{id}
</update>
<delete id="deleteTestHhhById" parameterType="Long">
delete from test_hhh where id = #{id}
</delete>
<delete id="deleteTestHhhByIds" parameterType="String">
delete from test_hhh where id in
<foreach item="id" collection="array" open="(" separator="," close=")">
#{id}
</foreach>
</delete>
</mapper>