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54 lines
1.3 KiB
54 lines
1.3 KiB
<?xml version="1.0" encoding="UTF-8" ?>
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<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
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<mapper namespace="com.yanzhen.mapper.GradeMapper">
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<resultMap type="com.yanzhen.entity.Grade" id="Grade">
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<id column="id" property="id"/>
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<result column="name" property="name"/>
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</resultMap>
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<insert id="create" keyProperty="id" useGeneratedKeys="true" parameterType="com.yanzhen.entity.Grade">
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insert into tb_grade(
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name
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)values(
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#{name}
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)
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</insert>
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<select id="query" resultMap="Grade">
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select * from tb_grade
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<include refid="GradeFindCriteria"/>
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</select>
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<select id="count" resultType="int">
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select count(1) from tb_grade
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<include refid="GradeFindCriteria"/>
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</select>
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<select id="detail" resultMap="Grade">
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select * from tb_grade where id = #{id}
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</select>
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<delete id="delete">
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delete from tb_grade where id = #{id}
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</delete>
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<update id="update">
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update tb_grade set
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name=#{name}
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where id = #{id}
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</update>
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<update id="updateSelective">
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update tb_grade set
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<if test="name != null and name != ''"> name = #{name}</if>
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where id = #{id}
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</update>
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<sql id="GradeFindCriteria">
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<where>
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<if test="id != null">and id = #{id}</if>
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<if test="name != null and name != ''">and name = #{name}</if>
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</where>
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</sql>
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</mapper> |