src/com/mapper/KechengxinxiMapper.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.KechengxinxiMapper">
  <resultMap id="BaseResultMap" type="com.entity.Kechengxinxi">
    <id column="id" jdbcType="INTEGER" property="id" />
	<result column="jieduan" jdbcType="VARCHAR" property="jieduan" />
    <result column="nianji" jdbcType="VARCHAR" property="nianji" />
    <result column="kemu" jdbcType="VARCHAR" property="kemu" />
    <result column="shipinmingcheng" jdbcType="VARCHAR" property="shipinmingcheng" />
    <result column="xuexishipin" jdbcType="VARCHAR" property="xuexishipin" />
    <result column="lancishu" jdbcType="VARCHAR" property="lancishu" />
    
    <result column="addtime" jdbcType="VARCHAR" property="addtime" />
  </resultMap>
  <sql id="Base_Column_List">
    id, jieduan,nianji,kemu,shipinmingcheng,xuexishipin,lancishu, addtime
  </sql>
  <select id="quchongKechengxinxi"  parameterType="java.util.Map" resultMap="BaseResultMap" >
    select 
    <include refid="Base_Column_List" />
    from kechengxinxi 
    where shipinmingcheng = #{shipinmingcheng,jdbcType=VARCHAR} limit 0,1
  </select>
 <select id="getCount"   resultType="int" parameterType="java.util.Map" >
    select  count(*) from kechengxinxi  where 1=1
    <if test="jieduan!=null">and jieduan like  concat('%',#{jieduan,jdbcType=VARCHAR},'%')</if>
     <if test="nianji!=null">and nianji like  concat('%',#{nianji,jdbcType=VARCHAR},'%')</if>
     <if test="kemu!=null">and kemu like  concat('%',#{kemu,jdbcType=VARCHAR},'%')</if>
     <if test="shipinmingcheng!=null">and shipinmingcheng like  concat('%',#{shipinmingcheng,jdbcType=VARCHAR},'%')</if>
     <if test="xuexishipin!=null">and xuexishipin like  concat('%',#{xuexishipin,jdbcType=VARCHAR},'%')</if>
     <if test="lancishu1!=null">and lancishu &gt;=  concat('',#{lancishu1,jdbcType=VARCHAR},'')</if>
     <if test="lancishu2!=null">and lancishu &lt;=  concat('',#{lancishu2,jdbcType=VARCHAR},'')</if>
     
  </select> 
  <select id="getAll"   resultMap="BaseResultMap" parameterType="java.util.Map" >
    select   <include refid="Base_Column_List" /> from kechengxinxi  where 1=1
    <if test="shipinmingcheng!=null">
    and shipinmingcheng =#{shipinmingcheng}
    </if>
  </select>
  
  <select id="getsykechengxinxi1"   resultMap="BaseResultMap" parameterType="java.util.Map" >
    select   <include refid="Base_Column_List" /> from kechengxinxi  where 1=1
    limit 0,5
  </select>
  <select id="getsykechengxinxi2"   resultMap="BaseResultMap" parameterType="java.util.Map" >
    select   <include refid="Base_Column_List" /> from kechengxinxi  where 1=1
    limit 0,5
  </select>
  <select id="getsykechengxinxi3"   resultMap="BaseResultMap" parameterType="java.util.Map" >
    select   <include refid="Base_Column_List" /> from kechengxinxi  where 1=1
    limit 0,5
  </select>
  
   <select id="getByPage" parameterType="java.util.Map" resultMap="BaseResultMap">
     select  <include refid="Base_Column_List" /> 
     from kechengxinxi where 1=1 
     <if test="jieduan!=null">and jieduan like  concat('%',#{jieduan,jdbcType=VARCHAR},'%')</if>
     <if test="nianji!=null">and nianji like  concat('%',#{nianji,jdbcType=VARCHAR},'%')</if>
     <if test="kemu!=null">and kemu like  concat('%',#{kemu,jdbcType=VARCHAR},'%')</if>