build/classes/com/mapper/TeacherMapper.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.dao.TeacherDao" >
  <resultMap id="BaseResultMap" type="com.entity.Teacher" >
    <id column="teaid" property="teaid" jdbcType="INTEGER" />
    <result column="teanumber" property="teanumber" jdbcType="VARCHAR" />
    <result column="teaname" property="teaname" jdbcType="VARCHAR" />
    <result column="teapassword" property="teapassword" jdbcType="VARCHAR" />
    <result column="teatel" property="teatel" jdbcType="VARCHAR" />
    <result column="teatitle" property="teatitle" jdbcType="VARCHAR" />
  </resultMap>
  <sql id="Base_Column_List" >
    teaid, teanumber, teaname, teapassword, teatel, teatitle
  </sql>
  <select id="selectByPrimaryKey" resultMap="BaseResultMap" parameterType="java.lang.Integer" >
    select 
    <include refid="Base_Column_List" />
    from teacher
    where teaid = #{teaid,jdbcType=INTEGER}
  </select>
  <delete id="deleteByPrimaryKey" parameterType="java.lang.Integer" >
    delete from teacher
    where teaid = #{teaid,jdbcType=INTEGER}
  </delete>
  <insert id="insert" parameterType="com.entity.Teacher" >
    insert into teacher (teaid, teanumber, teaname, 
      teapassword, teatel, teatitle
      )
    values (#{teaid,jdbcType=INTEGER}, #{teanumber,jdbcType=VARCHAR}, #{teaname,jdbcType=VARCHAR}, 
      #{teapassword,jdbcType=VARCHAR}, #{teatel,jdbcType=VARCHAR}, #{teatitle,jdbcType=VARCHAR}
      )
  </insert>
  <insert id="insertSelective" parameterType="com.entity.Teacher" >
    insert into teacher
    <trim prefix="(" suffix=")" suffixOverrides="," >
      <if test="teaid != null" >
        teaid,
      </if>
      <if test="teanumber != null" >
        teanumber,
      </if>
      <if test="teaname != null" >
        teaname,
      </if>
      <if test="teapassword != null" >
        teapassword,
      </if>
      <if test="teatel != null" >
        teatel,
      </if>
      <if test="teatitle != null" >
        teatitle,
      </if>
    </trim>
    <trim prefix="values (" suffix=")" suffixOverrides="," >
      <if test="teaid != null" >
        #{teaid,jdbcType=INTEGER},
      </if>
      <if test="teanumber != null" >
        #{teanumber,jdbcType=INTEGER},
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