6.再续Dao及MyBatis的映射配置
发表于:2017-06-24 10:09:23 分类:博客源码 阅读:1386次
11.EssayMapper
package top.ersredma.blog.dao; import org.apache.ibatis.annotations.Param; import top.ersredma.blog.bean.Essay; import top.ersredma.blog.bean.KeyWord; import javax.annotation.Resource; import java.util.List; @Resource public interface EssayMapper { int deleteByPrimaryKey(Integer id); int insert(Essay record); int insertSelective(Essay record); Essay selectByPrimaryKey(Integer id); int updateByPrimaryKeySelective(Essay record); int updateByPrimaryKeyWithBLOBs(Essay record); int updateByPrimaryKey(Essay record); long selectCountByCase(@Param("userid")Integer userid, @Param("cate")int cate); List<Essay> selectByCase(@Param("userid")Integer userid, @Param("cate")int cate, @Param("model")String model, @Param("pageStart")int pageStart,@Param("pageSize") int pageSize); List<Essay> selectByKeyword(@Param("key")String key); void addEssayPV(@Param("id")Integer id); List<Essay> selectHotList(); List<Essay> selectNewList(); List<Essay> selectLikeList(); List selectEssaysByKey(String key); }
12.EssayMapper.xml
<?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="top.ersredma.blog.dao.EssayMapper" > <resultMap id="BaseResultMap" type="top.ersredma.blog.bean.Essay" > <id column="id" property="id" jdbcType="INTEGER" /> <result column="title" property="title" jdbcType="VARCHAR" /> <result column="time" property="time" jdbcType="VARCHAR" /> <result column="user_id" property="userId" jdbcType="INTEGER" /> <result column="keyword" property="keyword" jdbcType="VARCHAR" /> <result column="state" property="state" jdbcType="INTEGER" /> <result column="category_id" property="categoryId" jdbcType="INTEGER" /> <result column="pviews" property="pviews" jdbcType="INTEGER" /> <result column="likenum" property="likenum" jdbcType="INTEGER" /> </resultMap> <resultMap id="ResultMapWithBLOBs" type="top.ersredma.blog.bean.Essay" extends="BaseResultMap" > <result column="content" property="content" jdbcType="LONGVARCHAR" /> </resultMap> <!--<resultMap id="counts" type="java.lang.Long">--> <!--<result column="count" property="content"/>--> <!--</resultMap>--> <sql id="Base_Column_List" > id, title, time, user_id, keyword, state, category_id, pviews, likenum,imgurl </sql> <sql id="Blob_Column_List" > content </sql> <select id="selectByPrimaryKey" resultMap="ResultMapWithBLOBs" parameterType="java.lang.Integer" > select <include refid="Base_Column_List" /> , <include refid="Blob_Column_List" /> from essay where id = #{id,jdbcType=INTEGER} </select> <select id="selectByKeyword" resultMap="ResultMapWithBLOBs"> select <include refid="Base_Column_List" /> , <include refid="Blob_Column_List" /> from essay where keyword like concat(concat('%', #{key,jdbcType=VARCHAR}),'%') ORDER BY pviews desc limit 10 </select> <select id="selectEssaysByKey" resultMap="ResultMapWithBLOBs"> select <include refid="Base_Column_List" /> , <include refid="Blob_Column_List" /> from essay where keyword like concat(concat('%', #{key,jdbcType=VARCHAR}),'%') or title like concat(concat('%', #{key,jdbcType=VARCHAR}),'%') </select> <select id="selectByCase" resultMap="ResultMapWithBLOBs"> select <include refid="Base_Column_List" /> , <include refid="Blob_Column_List" /> from essay where <if test="cate != -1" > category_id = #{cate,jdbcType=INTEGER} and </if> user_id = #{userid,jdbcType=INTEGER} and state=0 order by id ${model} limit #{pageStart,jdbcType=INTEGER},#{pageSize,jdbcType=INTEGER} </select> <select id="selectHotList" resultMap="ResultMapWithBLOBs"> SELECT <include refid="Base_Column_List" /> , <include refid="Blob_Column_List" /> FROM essay e, (SELECT c.essay_id essayid ,COUNT(*) counts FROM COMMENT c WHERE c.essay_id IN (SELECT essay_id FROM COMMENT) GROUP BY c.essay_id ORDER BY counts DESC limit 10)temp WHERE e.id=temp.essayid </select> <select id="selectNewList" resultMap="ResultMapWithBLOBs"> SELECT <include refid="Base_Column_List" /> , <include refid="Blob_Column_List" /> FROM essay ORDER BY id DESC LIMIT 10 </select> <select id="selectLikeList" resultMap="ResultMapWithBLOBs"> SELECT <include refid="Base_Column_List" /> , <include refid="Blob_Column_List" /> FROM essay ORDER BY pviews DESC LIMIT 10 </select> <select id="selectCountByCase" resultType="java.lang.Long" > select COUNT(e.id) from essay e where <if test="cate != -1" > category_id = #{cate,jdbcType=INTEGER} and </if> user_id = #{userid,jdbcType=INTEGER} </select> <delete id="deleteByPrimaryKey" parameterType="java.lang.Integer" > delete from essay where id = #{id,jdbcType=INTEGER} </delete> <insert id="insert" parameterType="top.ersredma.blog.bean.Essay" > insert into essay (id, title, time, user_id, keyword, state, category_id, pviews, likenum, content,imgurl) values (#{id,jdbcType=INTEGER}, #{title,jdbcType=VARCHAR}, #{time,jdbcType=VARCHAR}, #{userId,jdbcType=INTEGER}, #{keyword,jdbcType=VARCHAR}, #{state,jdbcType=INTEGER}, #{categoryId,jdbcType=INTEGER}, #{pviews,jdbcType=INTEGER}, #{likenum,jdbcType=INTEGER}, #{content,jdbcType=LONGVARCHAR},#{imgurl,jdbcType=VARCHAR},) </insert> <insert id="insertSelective" parameterType="top.ersredma.blog.bean.Essay" useGeneratedKeys="true" keyProperty="id"> insert into essay <trim prefix="(" suffix=")" suffixOverrides="," > <if test="id != null" > id, </if> <if test="title != null" > title, </if> <if test="time != null" > time, </if> <if test="userId != null" > user_id, </if> <if test="keyword != null" > keyword, </if> <if test="state != null" > state, </if> <if test="categoryId != null" > category_id, </if> <if test="pviews != null" > pviews, </if> <if test="likenum != null" > likenum, </if> <if test="content != null" > content, </if> <if test="imgurl != null" > imgurl, </if> </trim> <trim prefix="values (" suffix=")" suffixOverrides="," > <if test="id != null" > #{id,jdbcType=INTEGER}, </if> <if test="title != null" > #{title,jdbcType=VARCHAR}, </if> <if test="time != null" > #{time,jdbcType=VARCHAR}, </if> <if test="userId != null" > #{userId,jdbcType=INTEGER}, </if> <if test="keyword != null" > #{keyword,jdbcType=VARCHAR}, </if> <if test="state != null" > #{state,jdbcType=INTEGER}, </if> <if test="categoryId != null" > #{categoryId,jdbcType=INTEGER}, </if> <if test="pviews != null" > #{pviews,jdbcType=INTEGER}, </if> <if test="likenum != null" > #{likenum,jdbcType=INTEGER}, </if> <if test="content != null" > #{content,jdbcType=LONGVARCHAR}, </if> <if test="imgurl != null" > #{imgurl,jdbcType=VARCHAR}, </if> </trim> </insert> <update id="addEssayPV"> UPDATE essay set pviews=pviews+1 where id=#{id} </update> <update id="updateByPrimaryKeySelective" parameterType="top.ersredma.blog.bean.Essay" > update essay <set > <if test="title != null" > title = #{title,jdbcType=VARCHAR}, </if> <if test="time != null" > time = #{time,jdbcType=VARCHAR}, </if> <if test="userId != null" > user_id = #{userId,jdbcType=INTEGER}, </if> <if test="keyword != null" > keyword = #{keyword,jdbcType=VARCHAR}, </if> <if test="state != null" > state = #{state,jdbcType=INTEGER}, </if> <if test="categoryId != null" > category_id = #{categoryId,jdbcType=INTEGER}, </if> <if test="pviews != null" > pviews = #{pviews,jdbcType=INTEGER}, </if> <if test="likenum != null" > likenum = #{likenum,jdbcType=INTEGER}, </if> <if test="content != null" > content = #{content,jdbcType=LONGVARCHAR}, </if> <if test="imgurl != null" > imgurl= #{imgurl,jdbcType=VARCHAR}, </if> </set> where id = #{id,jdbcType=INTEGER} </update> <update id="updateByPrimaryKeyWithBLOBs" parameterType="top.ersredma.blog.bean.Essay" > update essay set title = #{title,jdbcType=VARCHAR}, time = #{time,jdbcType=VARCHAR}, user_id = #{userId,jdbcType=INTEGER}, keyword = #{keyword,jdbcType=VARCHAR}, state = #{state,jdbcType=INTEGER}, category_id = #{categoryId,jdbcType=INTEGER}, pviews = #{pviews,jdbcType=INTEGER}, likenum = #{likenum,jdbcType=INTEGER}, content = #{content,jdbcType=LONGVARCHAR}, imgurl = #{imgurl,jdbcType=VARCHAR} where id = #{id,jdbcType=INTEGER} </update> <update id="updateByPrimaryKey" parameterType="top.ersredma.blog.bean.Essay" > update essay set title = #{title,jdbcType=VARCHAR}, time = #{time,jdbcType=VARCHAR}, user_id = #{userId,jdbcType=INTEGER}, keyword = #{keyword,jdbcType=VARCHAR}, state = #{state,jdbcType=INTEGER}, category_id = #{categoryId,jdbcType=INTEGER}, pviews = #{pviews,jdbcType=INTEGER}, likenum = #{likenum,jdbcType=INTEGER} where id = #{id,jdbcType=INTEGER} </update> </mapper>
再续。。。
关键词:blog源码,dao
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回复:杨铁心你好
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回复:汤祖德2222222
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