bjtu_order/build/classes/com/mapper/PinglunMapper.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="com.mapper.PinglunMapper">
	<select id="findPinglunList" 
		resultType="Pinglun">
		select * from pinglun 
	</select>
	
	<select id="query" parameterType="java.util.Map" resultType="Pinglun">
		select * from pinglun  
		<where>
			<if test="id!=null and id!=0">
			   and id= #{id}
			</if>
			<if test="zid!=null and zid!=0">
			   and zid= #{zid}
			</if>
		</where>
		order by id desc
	</select>
	
	
	<select id="queryPinglunById" parameterType="int" resultType="Pinglun">
		select * from pinglun where id=${value}
	</select>
 

    <!-- 添加评论 -->
	<insert id="insertPinglun" useGeneratedKeys="true" keyProperty="id" parameterType="Pinglun">
		insert into pinglun
		(contents,fbsj,uname,uhead,zid,huifu)
		values
		(#{contents},#{fbsj},#{uname},#{uhead},#{zid},#{huifu});
	</insert>
 
	
  
 
 
 
 
 
 
 



	<update id="updatePinglun" parameterType="Pinglun" >
		update pinglun set
		contents=#{contents},fbsj=#{fbsj},uname=#{uname},uhead=#{uhead},zid=#{zid},huifu=#{huifu}
		where
		id=#{id}	
	</update>
	
 
	
	<delete id="deletePinglun" parameterType="int">
	    delete from  pinglun where id=${value}
	</delete>

</mapper>