WebRoot/WEB-INF/classes/com/cms/dao/TeacherDao.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.cms.dao.TeacherDao">
  <resultMap id="BaseResultMapTeacher" type="com.cms.entity.Teacher">
    <id column="id" jdbcType="VARCHAR" property="id" />
    <result column="password" jdbcType="VARCHAR" property="password" />
    <result column="name" jdbcType="VARCHAR" property="name" />
  </resultMap>
  <sql id="Base_Column_List">
    id, password, name, synopsis
  </sql>
  <select id="selectByPrimaryKey" parameterType="java.lang.String" resultMap="BaseResultMapTeacher">
    select 
    <include refid="Base_Column_List" />
    from t_teacher
    where id = #{id,jdbcType=VARCHAR}
  </select>
  
  <select id="getTeacherForSelect" resultMap="BaseResultMapTeacher">
  	select id,name from t_teacher 
  	<where>
  		<if test="_parameter != null and _parameter != ''">
    		name like CONCAT('%',#{searchKey},'%')
  		</if>
  	</where>
  	limit 0, 10
  </select>
  <select id="getTeacher" resultMap="BaseResultMapTeacher">
  	select
  	<include refid="Base_Column_List" />
  	from t_teacher
  	<where>
  		<if test="param2 != null and param2 != ''">
	        (id like CONCAT('%',#{param2},'%') )
    		or (name like CONCAT('%',#{param2},'%') )
  		</if>
  	</where>
  	<if test="param1 != null">
  		limit #{param1.start}, #{param1.pageSize}
  	</if>
  </select>
  
  <select id="selectTeacher" resultType="Teacher">
  	select <include refid="Base_Column_List" />
  	from t_teacher where  id = #{id,jdbcType=VARCHAR}
  	and password = #{password,jdbcType=VARCHAR}
  </select>
  
  <select id="getTotalItemsCount" resultType="Integer">
  	select count(*)
    from t_teacher
    <where>
    	<if test="_parameter != null and _parameter != ''">
  			(id like CONCAT('%',#{searchKey},'%') )
    		or (name like CONCAT('%',#{searchKey},'%') )
    	</if>
    </where>
  </select>
  
  <delete id="deleteByPrimaryKey" parameterType="java.lang.String">