WebRoot/WEB-INF/classes/com/marry/dao/UserMapper.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.marry.dao.UserMapper">
  <resultMap id="BaseResultMap" type="com.marry.entity.User" autoMapping="true">
    <id column="uid" property="uid"/>
  </resultMap>
  <select id="select" parameterType="java.util.Map" resultMap="BaseResultMap">
    select *
    from user
    <where>
      <if test="userName != null">
        and userName = #{userName,jdbcType=VARCHAR}
      </if>
      <if test="password != null">
        and password = #{password,jdbcType=VARCHAR}
      </if>
      <if test="tel != null">
        and tel = #{tel,jdbcType=VARCHAR}
      </if>
      <if test="address != null">
        and address = #{address,jdbcType=VARCHAR}
      </if>
      <if test="email != null">
        and email = #{email,jdbcType=VARCHAR}
      </if>
      <if test="age != null">
        and age = #{age,jdbcType=INTEGER}
      </if>
      <if test="role != null">
        and role = #{role,jdbcType=INTEGER}
      </if>
      <if test="isDel != null">
        and isDel = #{isDel,jdbcType=INTEGER}
      </if>
      <if test="uid != null">
        and uid = #{uid,jdbcType=INTEGER}
      </if>
      <if test="name != null">
        and name = #{name,jdbcType=INTEGER}
      </if>
    </where>
  </select>
  <select id="selectList" parameterType="java.util.Map" resultMap="BaseResultMap">
    select *
    from user
    <where>
      <if test="userName != null">
        and userName = #{userName,jdbcType=VARCHAR}
      </if>
      <if test="password != null">
        and password = #{password,jdbcType=VARCHAR}
      </if>
      <if test="tel != null">
        and tel = #{tel,jdbcType=VARCHAR}
      </if>
      <if test="address != null">
        and address = #{address,jdbcType=VARCHAR}
      </if>
      <if test="email != null">
        and email = #{email,jdbcType=VARCHAR}