src/com/mapper/XuankeMapper.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.XuankeMapper">
  <resultMap id="BaseResultMap" type="com.entity.Xuanke">
    <id column="id" jdbcType="INTEGER" property="id" />
	<result column="kechengmingcheng" jdbcType="VARCHAR" property="kechengmingcheng" />
    <result column="kechengjianjie" jdbcType="VARCHAR" property="kechengjianjie" />
    <result column="renshuxianzhi" jdbcType="VARCHAR" property="renshuxianzhi" />
    <result column="shijian" jdbcType="VARCHAR" property="shijian" />
    <result column="yonghuming" jdbcType="VARCHAR" property="yonghuming" />
    <result column="cheng" jdbcType="VARCHAR" property="cheng" />
    
    <result column="addtime" jdbcType="VARCHAR" property="addtime" />
  </resultMap>
  <sql id="Base_Column_List">
    id, kechengmingcheng,kechengjianjie,renshuxianzhi,shijian,yonghuming,cheng, addtime
  </sql>
  <select id="quchongXuanke"  parameterType="java.util.Map" resultMap="BaseResultMap" >
    select 
    <include refid="Base_Column_List" />
    from xuanke 
    where yonghuming = #{yonghuming,jdbcType=VARCHAR} limit 0,1
  </select>
 <select id="getCount"   resultType="int" parameterType="java.util.Map" >
    select  count(*) from xuanke  where 1=1
    <if test="kechengmingcheng!=null">and kechengmingcheng like  concat('%',#{kechengmingcheng,jdbcType=VARCHAR},'%')</if>
     <if test="kechengjianjie!=null">and kechengjianjie like  concat('%',#{kechengjianjie,jdbcType=VARCHAR},'%')</if>
     <if test="renshuxianzhi!=null">and renshuxianzhi like  concat('%',#{renshuxianzhi,jdbcType=VARCHAR},'%')</if>
     <if test="shijian1!=null">and shijian &gt;=  concat('',#{shijian1,jdbcType=VARCHAR},'')</if>
     <if test="shijian2!=null">and shijian &lt;=  concat('',#{shijian2,jdbcType=VARCHAR},'')</if>
     <if test="yonghuming!=null">and yonghuming like  concat('%',#{yonghuming,jdbcType=VARCHAR},'%')</if>
     <if test="cheng!=null">and cheng like  concat('%',#{cheng,jdbcType=VARCHAR},'%')</if>
     
  </select> 
  <select id="getAll"   resultMap="BaseResultMap" parameterType="java.util.Map" >
    select   <include refid="Base_Column_List" /> from xuanke  where 1=1
    <if test="yonghuming!=null">
    and yonghuming =#{yonghuming}
    </if>
  </select>
  
  <select id="getsyxuanke1"   resultMap="BaseResultMap" parameterType="java.util.Map" >
    select   <include refid="Base_Column_List" /> from xuanke  where 1=1
    limit 0,5
  </select>
  <select id="getsyxuanke2"   resultMap="BaseResultMap" parameterType="java.util.Map" >
    select   <include refid="Base_Column_List" /> from xuanke  where 1=1
    limit 0,5
  </select>
  <select id="getsyxuanke3"   resultMap="BaseResultMap" parameterType="java.util.Map" >
    select   <include refid="Base_Column_List" /> from xuanke  where 1=1
    limit 0,5
  </select>
  
   <select id="getByPage" parameterType="java.util.Map" resultMap="BaseResultMap">
     select  <include refid="Base_Column_List" /> 
     from xuanke where 1=1 
     <if test="kechengmingcheng!=null">and kechengmingcheng like  concat('%',#{kechengmingcheng,jdbcType=VARCHAR},'%')</if>
     <if test="kechengjianjie!=null">and kechengjianjie like  concat('%',#{kechengjianjie,jdbcType=VARCHAR},'%')</if>
     <if test="renshuxianzhi!=null">and renshuxianzhi like  concat('%',#{renshuxianzhi,jdbcType=VARCHAR},'%')</if>