Mybatis常用xml
工作中mybatis常用的xml代码
<?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.up.sell.mapper.system.AdvertisementMapper"> <resultMap type="Advertisement" id="AdvertisementResult"> <id property="id" column="id" /> <result property="title" column="title" /> <result property="imgPath" column="img_path" /> <result property="url" column="url" /> <result property="description" column="description" /> <result property="sort" column="sort" /> <result property="place" column="place" /> <result property="provinceId" column="province_id" /> <result property="cityId" column="city_id" /> <result property="advFlag" column="adv_flag" /> <result property="createUser" column="create_user" /> <result property="createTime" column="create_time" /> <result property="updateUser" column="update_user" /> <result property="updateTime" column="update_time" /> <association property="areas" column="id" javaType="com.up.sell.vo.system.Areas" resultMap="areasResult" /> <association property="dictionary" column="id" javaType="com.up.sell.vo.system.Dictionary" resultMap="deptResult" /> </resultMap> <resultMap id="areasResult" type="Areas"> <id property="id" column="id" /> <result property="areaName" column="area_name" /> <result property="parentId" column="parent_id" /> <result property="shortName" column="short_name" /> </resultMap> <resultMap id="deptResult" type="Dictionary"> <id property="dKey" column="d_key" /> <result property="dValue" column="d_value" /> <result property="dName" column="d_name" /> <result property="parentKey" column="parent_ey" /> <result property="flag" column="flag" /> </resultMap> <select id="findList" parameterType="Advertisement" resultMap="AdvertisementResult"> SELECT a.id , a.title , a.img_path , a.url , a.description , a.sort , a.adv_flag, s1.short_name, d.d_name FROM advertisement a LEFT JOIN areas s1 on a.city_id = s1.id LEFT JOIN dictionary d ON d.parent_key = 111 AND a.place = d.d_value </select> <select id="findCity" parameterType="Advertisement" resultMap="AdvertisementResult"> SELECT DISTINCT a.id , a.short_name FROM sys_company s LEFT JOIN areas a ON(s.city_id = a.id) WHERE (s.id = #{arg0} OR s.parent_id = #{arg0}) AND a.id IS NOT NULL AND a.short_name IS NOT NULL </select> <select id="findPlace" parameterType="Advertisement" resultMap="AdvertisementResult"> SELECT d.d_value , d_name FROM dictionary d WHERE d.parent_key = 111 AND flag = 1 </select> <insert id="inserts" parameterType="Advertisement" useGeneratedKeys="true" keyProperty="id"> insert into advertisement( <if test="title != null and title != ''">title,</if> <if test="imgPath != null and imgPath != ''">img_path,</if> <if test="url != null and url != ''">url,</if> <if test="sort != null and sort != ''">sort,</if> <if test="place != null and place != ''">place,</if> <if test="provinceId != null and provinceId != ''">province_id,</if> <if test="cityId != null and cityId != ''">city_id,</if> <if test="createUser != null and createUser != ''">create_user,</if> create_time )values( <if test="title != null and title != ''">#{title},</if> <if test="imgPath != null and imgPath != ''">#{imgPath},</if> <if test="url != null and url != ''">#{url},</if> <if test="sort != null and sort != ''">#{sort},</if> <if test="place != null and place != ''">#{place},</if> <if test="provinceId != null and provinceId != ''">#{provinceId},</if> <if test="cityId != null and cityId != ''">#{cityId},</if> <if test="createUser != null and createUser != ''">#{createUser},</if> sysdate() ) </insert> <select id="findSize" resultType="long"> select count(1) from advertisement </select> <select id="selectStatus" resultType="Integer"> select adv_flag from advertisement where id = #{arg0} </select> <select id="selectId" parameterType="Advertisement" resultMap="AdvertisementResult"> select * from advertisement where id = #{arg0} </select> <update id="updates" parameterType="Advertisement"> update advertisement <set> <if test="title != null and title != ''">title = #{title},</if> <if test="imgPath != null and imgPath != ''">img_path = #{imgPath},</if> <if test="url != null and url != ''">url = #{url},</if> <if test="description != null and description != ''">description = #{description},</if> <if test="sort != null and sort != 0">sort = #{sort},</if> <if test="place != null and place != 0">place = #{place},</if> <if test="cityId != null and cityId != ''">city_id = #{cityId},</if> <if test="updateUser != null and updateUser != 0">update_user = #{updateUser},</if> update_time = sysdate() </set> where id = #{id} </update> <select id="selectProvinceId" resultType="String"> select parent_id from areas where id = #{arg0} </select> <select id="modifyStatus" resultType="Integer"> select adv_flag from advertisement where id = #{arg0} </select> <update id="modifyOFF"> update advertisement set adv_flag = 1 where id = #{arg0} </update> <update id="modifyNO"> update advertisement set adv_flag = 0 where id = #{arg0} </update> <delete id="delete" parameterType="String"> delete from advertisement where id = #{arg0} </delete> </mapper>