<?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.goafanti.common.dao.JtKnowledgeBaseMapper">
  <resultMap id="BaseResultMap" type="com.goafanti.common.model.JtKnowledgeBase">
    <!--
      WARNING - @mbggenerated
      This element is automatically generated by MyBatis Generator, do not modify.
      This element was generated on Wed Nov 07 10:11:18 CST 2018.
    -->
    <result column="id" jdbcType="VARCHAR" property="id" />
    <result column="category" jdbcType="INTEGER" property="category" />
    <result column="title" jdbcType="VARCHAR" property="title" />
    <result column="summary" jdbcType="VARCHAR" property="summary" />
    <result column="source" jdbcType="VARCHAR" property="source" />
    <result column="status" jdbcType="INTEGER" property="status" />
    <result column="create_time" jdbcType="TIMESTAMP" property="createTime" />
    <result column="owner" jdbcType="VARCHAR" property="owner" />
    <result column="release_time" jdbcType="TIMESTAMP" property="releaseTime" />
    <result column="read_number" jdbcType="INTEGER" property="readNumber" />
    <result column="comment_number" jdbcType="INTEGER" property="commentNumber" />
    <result column="star_number" jdbcType="INTEGER" property="starNumber" />
    <result column="keyword" jdbcType="VARCHAR" property="keyword" />
    <result column="pic_url" jdbcType="VARCHAR" property="picUrl" />
    <result column="top" jdbcType="INTEGER" property="top" />
    <result column="recommend" jdbcType="INTEGER" property="recommend" />
  </resultMap>
  <resultMap extends="BaseResultMap" id="ResultMapWithBLOBs" type="com.goafanti.common.model.JtKnowledgeBase">
    <!--
      WARNING - @mbggenerated
      This element is automatically generated by MyBatis Generator, do not modify.
      This element was generated on Wed Nov 07 10:11:18 CST 2018.
    -->
    <result column="content" jdbcType="LONGVARCHAR" property="content" />
  </resultMap>
  <sql id="Example_Where_Clause">
    <!--
      WARNING - @mbggenerated
      This element is automatically generated by MyBatis Generator, do not modify.
      This element was generated on Wed Nov 07 10:11:18 CST 2018.
    -->
    <where>
      <foreach collection="oredCriteria" item="criteria" separator="or">
        <if test="criteria.valid">
          <trim prefix="(" prefixOverrides="and" suffix=")">
            <foreach collection="criteria.criteria" item="criterion">
              <choose>
                <when test="criterion.noValue">
                  and ${criterion.condition}
                </when>
                <when test="criterion.singleValue">
                  and ${criterion.condition} #{criterion.value}
                </when>
                <when test="criterion.betweenValue">
                  and ${criterion.condition} #{criterion.value} and #{criterion.secondValue}
                </when>
                <when test="criterion.listValue">
                  and ${criterion.condition}
                  <foreach close=")" collection="criterion.value" item="listItem" open="(" separator=",">
                    #{listItem}
                  </foreach>
                </when>
              </choose>
            </foreach>
          </trim>
        </if>
      </foreach>
    </where>
  </sql>
  <sql id="Update_By_Example_Where_Clause">
    <!--
      WARNING - @mbggenerated
      This element is automatically generated by MyBatis Generator, do not modify.
      This element was generated on Wed Nov 07 10:11:18 CST 2018.
    -->
    <where>
      <foreach collection="example.oredCriteria" item="criteria" separator="or">
        <if test="criteria.valid">
          <trim prefix="(" prefixOverrides="and" suffix=")">
            <foreach collection="criteria.criteria" item="criterion">
              <choose>
                <when test="criterion.noValue">
                  and ${criterion.condition}
                </when>
                <when test="criterion.singleValue">
                  and ${criterion.condition} #{criterion.value}
                </when>
                <when test="criterion.betweenValue">
                  and ${criterion.condition} #{criterion.value} and #{criterion.secondValue}
                </when>
                <when test="criterion.listValue">
                  and ${criterion.condition}
                  <foreach close=")" collection="criterion.value" item="listItem" open="(" separator=",">
                    #{listItem}
                  </foreach>
                </when>
              </choose>
            </foreach>
          </trim>
        </if>
      </foreach>
    </where>
  </sql>
  <sql id="Base_Column_List">
    <!--
      WARNING - @mbggenerated
      This element is automatically generated by MyBatis Generator, do not modify.
      This element was generated on Wed Nov 07 10:11:18 CST 2018.
    -->
    id, category, title, summary, source, status, create_time, owner, release_time, read_number, 
    comment_number, star_number, keyword, pic_url, top, recommend
  </sql>
  <sql id="Blob_Column_List">
    <!--
      WARNING - @mbggenerated
      This element is automatically generated by MyBatis Generator, do not modify.
      This element was generated on Wed Nov 07 10:11:18 CST 2018.
    -->
    content
  </sql>
  <select id="selectByExampleWithBLOBs" parameterType="com.goafanti.common.model.JtKnowledgeBaseExample" resultMap="ResultMapWithBLOBs">
    <!--
      WARNING - @mbggenerated
      This element is automatically generated by MyBatis Generator, do not modify.
      This element was generated on Wed Nov 07 10:11:18 CST 2018.
    -->
    select
    <if test="distinct">
      distinct
    </if>
    <include refid="Base_Column_List" />
    ,
    <include refid="Blob_Column_List" />
    from jt_knowledge_base
    <if test="_parameter != null">
      <include refid="Example_Where_Clause" />
    </if>
    <if test="orderByClause != null">
      order by ${orderByClause}
    </if>
  </select>
  <select id="selectByExample" parameterType="com.goafanti.common.model.JtKnowledgeBaseExample" resultMap="BaseResultMap">
    <!--
      WARNING - @mbggenerated
      This element is automatically generated by MyBatis Generator, do not modify.
      This element was generated on Wed Nov 07 10:11:18 CST 2018.
    -->
    select
    <if test="distinct">
      distinct
    </if>
    <include refid="Base_Column_List" />
    from jt_knowledge_base
    <if test="_parameter != null">
      <include refid="Example_Where_Clause" />
    </if>
    <if test="orderByClause != null">
      order by ${orderByClause}
    </if>
  </select>
  <delete id="deleteByExample" parameterType="com.goafanti.common.model.JtKnowledgeBaseExample">
    <!--
      WARNING - @mbggenerated
      This element is automatically generated by MyBatis Generator, do not modify.
      This element was generated on Wed Nov 07 10:11:18 CST 2018.
    -->
    delete from jt_knowledge_base
    <if test="_parameter != null">
      <include refid="Example_Where_Clause" />
    </if>
  </delete>
  <insert id="insert" parameterType="com.goafanti.common.model.JtKnowledgeBase">
    <!--
      WARNING - @mbggenerated
      This element is automatically generated by MyBatis Generator, do not modify.
      This element was generated on Wed Nov 07 10:11:18 CST 2018.
    -->
    insert into jt_knowledge_base (id, category, title, 
      summary, source, status, 
      create_time, owner, release_time, 
      read_number, comment_number, star_number, 
      keyword, pic_url, top, 
      recommend, content)
    values (#{id,jdbcType=VARCHAR}, #{category,jdbcType=INTEGER}, #{title,jdbcType=VARCHAR}, 
      #{summary,jdbcType=VARCHAR}, #{source,jdbcType=VARCHAR}, #{status,jdbcType=INTEGER}, 
      #{createTime,jdbcType=TIMESTAMP}, #{owner,jdbcType=VARCHAR}, #{releaseTime,jdbcType=TIMESTAMP}, 
      #{readNumber,jdbcType=INTEGER}, #{commentNumber,jdbcType=INTEGER}, #{starNumber,jdbcType=INTEGER}, 
      #{keyword,jdbcType=VARCHAR}, #{picUrl,jdbcType=VARCHAR}, #{top,jdbcType=INTEGER}, 
      #{recommend,jdbcType=INTEGER}, #{content,jdbcType=LONGVARCHAR})
  </insert>
  <insert id="insertSelective" parameterType="com.goafanti.common.model.JtKnowledgeBase">
    <!--
      WARNING - @mbggenerated
      This element is automatically generated by MyBatis Generator, do not modify.
      This element was generated on Wed Nov 07 10:11:18 CST 2018.
    -->
    insert into jt_knowledge_base
    <trim prefix="(" suffix=")" suffixOverrides=",">
      <if test="id != null">
        id,
      </if>
      <if test="category != null">
        category,
      </if>
      <if test="title != null">
        title,
      </if>
      <if test="summary != null">
        summary,
      </if>
      <if test="source != null">
        source,
      </if>
      <if test="status != null">
        status,
      </if>
      <if test="createTime != null">
        create_time,
      </if>
      <if test="owner != null">
        owner,
      </if>
      <if test="releaseTime != null">
        release_time,
      </if>
      <if test="readNumber != null">
        read_number,
      </if>
      <if test="commentNumber != null">
        comment_number,
      </if>
      <if test="starNumber != null">
        star_number,
      </if>
      <if test="keyword != null">
        keyword,
      </if>
      <if test="picUrl != null">
        pic_url,
      </if>
      <if test="top != null">
        top,
      </if>
      <if test="recommend != null">
        recommend,
      </if>
      <if test="content != null">
        content,
      </if>
    </trim>
    <trim prefix="values (" suffix=")" suffixOverrides=",">
      <if test="id != null">
        #{id,jdbcType=VARCHAR},
      </if>
      <if test="category != null">
        #{category,jdbcType=INTEGER},
      </if>
      <if test="title != null">
        #{title,jdbcType=VARCHAR},
      </if>
      <if test="summary != null">
        #{summary,jdbcType=VARCHAR},
      </if>
      <if test="source != null">
        #{source,jdbcType=VARCHAR},
      </if>
      <if test="status != null">
        #{status,jdbcType=INTEGER},
      </if>
      <if test="createTime != null">
        #{createTime,jdbcType=TIMESTAMP},
      </if>
      <if test="owner != null">
        #{owner,jdbcType=VARCHAR},
      </if>
      <if test="releaseTime != null">
        #{releaseTime,jdbcType=TIMESTAMP},
      </if>
      <if test="readNumber != null">
        #{readNumber,jdbcType=INTEGER},
      </if>
      <if test="commentNumber != null">
        #{commentNumber,jdbcType=INTEGER},
      </if>
      <if test="starNumber != null">
        #{starNumber,jdbcType=INTEGER},
      </if>
      <if test="keyword != null">
        #{keyword,jdbcType=VARCHAR},
      </if>
      <if test="picUrl != null">
        #{picUrl,jdbcType=VARCHAR},
      </if>
      <if test="top != null">
        #{top,jdbcType=INTEGER},
      </if>
      <if test="recommend != null">
        #{recommend,jdbcType=INTEGER},
      </if>
      <if test="content != null">
        #{content,jdbcType=LONGVARCHAR},
      </if>
    </trim>
  </insert>
  <select id="countByExample" parameterType="com.goafanti.common.model.JtKnowledgeBaseExample" resultType="java.lang.Integer">
    <!--
      WARNING - @mbggenerated
      This element is automatically generated by MyBatis Generator, do not modify.
      This element was generated on Wed Nov 07 10:11:18 CST 2018.
    -->
    select count(*) from jt_knowledge_base
    <if test="_parameter != null">
      <include refid="Example_Where_Clause" />
    </if>
  </select>
  <update id="updateByExampleSelective" parameterType="map">
    <!--
      WARNING - @mbggenerated
      This element is automatically generated by MyBatis Generator, do not modify.
      This element was generated on Wed Nov 07 10:11:18 CST 2018.
    -->
    update jt_knowledge_base
    <set>
      <if test="record.id != null">
        id = #{record.id,jdbcType=VARCHAR},
      </if>
      <if test="record.category != null">
        category = #{record.category,jdbcType=INTEGER},
      </if>
      <if test="record.title != null">
        title = #{record.title,jdbcType=VARCHAR},
      </if>
      <if test="record.summary != null">
        summary = #{record.summary,jdbcType=VARCHAR},
      </if>
      <if test="record.source != null">
        source = #{record.source,jdbcType=VARCHAR},
      </if>
      <if test="record.status != null">
        status = #{record.status,jdbcType=INTEGER},
      </if>
      <if test="record.createTime != null">
        create_time = #{record.createTime,jdbcType=TIMESTAMP},
      </if>
      <if test="record.owner != null">
        owner = #{record.owner,jdbcType=VARCHAR},
      </if>
      <if test="record.releaseTime != null">
        release_time = #{record.releaseTime,jdbcType=TIMESTAMP},
      </if>
      <if test="record.readNumber != null">
        read_number = #{record.readNumber,jdbcType=INTEGER},
      </if>
      <if test="record.commentNumber != null">
        comment_number = #{record.commentNumber,jdbcType=INTEGER},
      </if>
      <if test="record.starNumber != null">
        star_number = #{record.starNumber,jdbcType=INTEGER},
      </if>
      <if test="record.keyword != null">
        keyword = #{record.keyword,jdbcType=VARCHAR},
      </if>
      <if test="record.picUrl != null">
        pic_url = #{record.picUrl,jdbcType=VARCHAR},
      </if>
      <if test="record.top != null">
        top = #{record.top,jdbcType=INTEGER},
      </if>
      <if test="record.recommend != null">
        recommend = #{record.recommend,jdbcType=INTEGER},
      </if>
      <if test="record.content != null">
        content = #{record.content,jdbcType=LONGVARCHAR},
      </if>
    </set>
    <if test="_parameter != null">
      <include refid="Update_By_Example_Where_Clause" />
    </if>
  </update>
  <update id="updateByExampleWithBLOBs" parameterType="map">
    <!--
      WARNING - @mbggenerated
      This element is automatically generated by MyBatis Generator, do not modify.
      This element was generated on Wed Nov 07 10:11:18 CST 2018.
    -->
    update jt_knowledge_base
    set id = #{record.id,jdbcType=VARCHAR},
      category = #{record.category,jdbcType=INTEGER},
      title = #{record.title,jdbcType=VARCHAR},
      summary = #{record.summary,jdbcType=VARCHAR},
      source = #{record.source,jdbcType=VARCHAR},
      status = #{record.status,jdbcType=INTEGER},
      create_time = #{record.createTime,jdbcType=TIMESTAMP},
      owner = #{record.owner,jdbcType=VARCHAR},
      release_time = #{record.releaseTime,jdbcType=TIMESTAMP},
      read_number = #{record.readNumber,jdbcType=INTEGER},
      comment_number = #{record.commentNumber,jdbcType=INTEGER},
      star_number = #{record.starNumber,jdbcType=INTEGER},
      keyword = #{record.keyword,jdbcType=VARCHAR},
      pic_url = #{record.picUrl,jdbcType=VARCHAR},
      top = #{record.top,jdbcType=INTEGER},
      recommend = #{record.recommend,jdbcType=INTEGER},
      content = #{record.content,jdbcType=LONGVARCHAR}
    <if test="_parameter != null">
      <include refid="Update_By_Example_Where_Clause" />
    </if>
  </update>
  <update id="updateByExample" parameterType="map">
    <!--
      WARNING - @mbggenerated
      This element is automatically generated by MyBatis Generator, do not modify.
      This element was generated on Wed Nov 07 10:11:18 CST 2018.
    -->
    update jt_knowledge_base
    set id = #{record.id,jdbcType=VARCHAR},
      category = #{record.category,jdbcType=INTEGER},
      title = #{record.title,jdbcType=VARCHAR},
      summary = #{record.summary,jdbcType=VARCHAR},
      source = #{record.source,jdbcType=VARCHAR},
      status = #{record.status,jdbcType=INTEGER},
      create_time = #{record.createTime,jdbcType=TIMESTAMP},
      owner = #{record.owner,jdbcType=VARCHAR},
      release_time = #{record.releaseTime,jdbcType=TIMESTAMP},
      read_number = #{record.readNumber,jdbcType=INTEGER},
      comment_number = #{record.commentNumber,jdbcType=INTEGER},
      star_number = #{record.starNumber,jdbcType=INTEGER},
      keyword = #{record.keyword,jdbcType=VARCHAR},
      pic_url = #{record.picUrl,jdbcType=VARCHAR},
      top = #{record.top,jdbcType=INTEGER},
      recommend = #{record.recommend,jdbcType=INTEGER}
    <if test="_parameter != null">
      <include refid="Update_By_Example_Where_Clause" />
    </if>
  </update>
  
  <!-- 获得列表 -->
  <select id="getKnowledgeBaseListBySome" parameterType="java.util.Map" resultType="com.goafanti.admin.bo.KnowledgeBaseBo">
  	select  
  	v.id, v.category, v.title, v.summary, v.source, v.status, v.create_time as createTime, v.owner, v.release_time as releaseTime,
  	v.read_number as readNumber, 
    v.comment_number as commentNumber, v.star_number as starNumber, v.keyword, v.pic_url as picUrl, v.top, v.recommend, a.name as ownerName  
  	from jt_knowledge_base v
	left join admin a on v.owner = a.id
  	where 1=1
  	<if test='v.title != null and v.title != ""'>
  	<bind name="n" value="'%' + v.title + '%' " />
	and v.title like #{n,jdbcType=VARCHAR}
  	</if>
  	<if test="v.category != null">
	and v.category = #{v.category,jdbcType=INTEGER}
  	</if>
  	<if test="v.status != null">
	and v.status = #{v.status,jdbcType=INTEGER}
  	</if>
  	<if test="v.status == null">
	and v.status &lt;&gt; 2
  	</if>
  	<if test="v.owner != null">
	and v.owner = #{v.owner,jdbcType=VARCHAR}
  	</if>
  	<if test='v.keyword != null and v.keyword != ""'>
  	<bind name="kw" value="'%' + v.keyword + '%' "/>
	and v.keyword like #{kw,jdbcType=VARCHAR}
  	</if>
  	<if test="v.startTime != null and v.endTime != null">
  	<bind name="st" value=" v.startTime + ' 00:00:00' "/>
  	<bind name="et" value=" v.endTime + ' 23:59:59' "/>
  	and v.release_time between #{st,jdbcType=VARCHAR} and #{et,jdbcType=VARCHAR}
  	</if>
  	<if test="v.top != null">
    and v.top = #{v.top,jdbcType=INTEGER}
   </if>
   <if test="v.recommend != null">
    and v.recommend = #{v.recommend,jdbcType=INTEGER}
   </if>
  	<if test="ob == 1">
	order by v.create_time desc
  	</if>
  	<if test="ob == 2">
	order by v.release_time desc
  	</if>
	<if test="page_sql!=null">
		${page_sql}
	</if>
  </select>
  <!-- 获得总数 -->
  <select id="getKnowledgeBaseCountBySome" parameterType="java.util.Map" resultType="java.lang.Integer">
  	select count(*)
  	from jt_knowledge_base v
	left join admin a on v.owner = a.id
  	where 1=1
  	<if test='v.title != null and v.title != ""'>
  	<bind name="n" value="'%' + v.title + '%' " />
	and v.title like #{n,jdbcType=VARCHAR}
  	</if>
  	<if test="v.category != null">
	and v.category = #{v.category,jdbcType=INTEGER}
  	</if>
  	<if test="v.status != null">
	and v.status = #{v.status,jdbcType=INTEGER}
  	</if>
  	<if test="v.status == null">
	and v.status &lt;&gt; 2
  	</if>
  	<if test="v.owner != null">
	and v.owner = #{v.owner,jdbcType=VARCHAR}
  	</if>
  	<if test='v.keyword != null and v.keyword != ""'>
  	<bind name="kw" value="'%' + v.keyword + '%' "/>
	and v.keyword like #{kw,jdbcType=VARCHAR}
  	</if>
  	<if test="v.startTime != null and v.endTime != null">
  	<bind name="st" value=" v.startTime + ' 00:00:00' "/>
  	<bind name="et" value=" v.endTime + ' 23:59:59' "/>
  	and v.release_time between #{st,jdbcType=VARCHAR} and #{et,jdbcType=VARCHAR}
  	</if>
  	<if test="v.top != null">
    and v.top = #{v.top,jdbcType=INTEGER}
   </if>
   <if test="v.recommend != null">
    and v.recommend = #{v.recommend,jdbcType=INTEGER}
   </if>
  	<if test="ob == 1">
	order by v.create_time desc
  	</if>
  	<if test="ob == 2">
	order by v.release_time desc
  	</if>
  </select>
  
  <!-- 获得一个知识详情数据 -->
  <select id="getKnowledgeBaseById" parameterType="com.goafanti.common.model.JtKnowledgeBase" resultType="com.goafanti.admin.bo.KnowledgeBaseBo">
  select  
  	v.id, v.category, v.title, v.summary, v.source, v.status, v.create_time as createTime, v.owner, v.release_time as releaseTime, v.read_number as readNumber, 
    v.comment_number as commentNumber, v.star_number as starNumber, v.keyword, v.pic_url as picUrl, v.top, v.recommend, v.content, a.name as ownerName  
  	from jt_knowledge_base v
	left join admin a on v.owner = a.id
  	where 1=1
   <if test="id != null">
    and v.id =  #{id,jdbcType=VARCHAR}
   </if>
   <if test="category != null">
   	and v.category = #{category,jdbcType=INTEGER}
   </if>
   <if test='title != null and title != ""'>
   	<bind name="n" value="'%' + title + '%' " />
    and v.title like #{n,jdbcType=VARCHAR}
   </if>
   <if test="summary != null">
   	<bind name="s" value="'%' + summary + '%' " />
    and v.summary like #{s,jdbcType=VARCHAR}
   </if>
   <if test="source != null">
    and v.source = #{source,jdbcType=VARCHAR}
   </if>
   <if test="status != null">
    and v.status = #{status,jdbcType=INTEGER}
   </if>
   <if test="owner != null">
    and v.owner #{owner,jdbcType=VARCHAR}
   </if>
   <if test="readNumber != null">
    and v.read_number = #{readNumber,jdbcType=INTEGER}
   </if>
   <if test="commentNumber != null">
    and v.comment_number = #{commentNumber,jdbcType=INTEGER}
   </if>
   <if test="starNumber != null">
    and v.star_Number = #{starNumber,jdbcType=INTEGER}
   </if>
   <if test="keyword != null">
   <bind name="kw" value="'%' + keyword + '%' "/>
	and v.keyword like #{kw,jdbcType=VARCHAR}
   </if>
   <if test="picUrl != null">
    and v.pic_url = #{picUrl,jdbcType=VARCHAR}
   </if>
   <if test="top != null">
    and v.top = #{top,jdbcType=INTEGER}
   </if>
   <if test="recommend != null">
    and v.recommend = #{recommend,jdbcType=INTEGER}
   </if>
  </select>
  <!-- 修改 -->
  <update id="updateBySome" parameterType="com.goafanti.common.model.JtKnowledgeBase">
   update jt_knowledge_base
    <set>
      <if test="category != null">
        category = #{category,jdbcType=INTEGER},
      </if>
      <if test="title != null">
        title = #{title,jdbcType=VARCHAR},
      </if>
      <if test="summary != null">
        summary = #{summary,jdbcType=VARCHAR},
      </if>
      <if test="source != null">
        source = #{source,jdbcType=VARCHAR},
      </if>
      <if test="status != null">
        status = #{status,jdbcType=INTEGER},
      </if>
      <if test="createTime != null">
        create_time = #{createTime,jdbcType=TIMESTAMP},
      </if>
      <if test="owner != null">
        owner = #{owner,jdbcType=VARCHAR},
      </if>
      <if test="releaseTime != null">
        release_time = #{releaseTime,jdbcType=TIMESTAMP},
      </if>
      <if test="picUrl != null">
        pic_url = #{picUrl,jdbcType=VARCHAR},
      </if>
      <if test="top != null">
        top = #{top,jdbcType=INTEGER},
      </if>
      <if test="recommend != null">
        recommend = #{recommend,jdbcType=INTEGER},
      </if>
      <if test="keyword != null">
        keyword = #{keyword,jdbcType=VARCHAR},
      </if>
      <if test="content != null">
        content = #{content,jdbcType=LONGVARCHAR},
      </if>
    </set>
    where id = #{id,jdbcType=VARCHAR}
  </update>
  <!-- 新增一个阅读量 -->
  <update id="addOneRead" parameterType="java.lang.String">
  	update jt_knowledge_base set read_number = read_number +1 
  	where
  	id = #{_parameter,jdbcType=VARCHAR}
  </update>
  <!-- 新增一个评论量 -->
  <update id="addOneComment" parameterType="java.lang.String">
  	update jt_knowledge_base set comment_number = comment_number +1 
  	where
  	id = #{_parameter,jdbcType=VARCHAR}
  </update>
  <!-- 新增一个点赞量 -->
  <update id="addOneStar" parameterType="java.lang.String">
  	update jt_knowledge_base set star_number = star_number +1 
  	where
  	id = #{_parameter,jdbcType=VARCHAR}
  </update>
  <!-- 标题检查 -->
  <select id="nameCheck" parameterType="java.lang.String" resultType="java.lang.Integer">
  	select count(*) from jt_knowledge_base where title = #{_parameter,jdbcType=VARCHAR}
  </select>
</mapper>