后端：增加 Banner 增删改查接口

promotion/promotion-service-impl/src/main/resources/config/application.yaml

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+spring:
+  # datasource
+  datasource:
+    url: jdbc:mysql://180.167.213.26:13306/mall_promotion?useSSL=false&useUnicode=true&characterEncoding=UTF-8
+    driver-class-name: com.mysql.jdbc.Driver
+    username: root
+    password: ${MALL_MYSQL_PASSWORD}
+
+# mybatis
+mybatis:
+  config-location: classpath:mybatis-config.xml
+  mapper-locations: classpath:mapper/*.xml
+  type-aliases-package: cn.iocoder.mall.promotion.biz.dataobject
+
+# dubbo
+dubbo:
+  application:
+    name: promotion-service
+  registry:
+    address: zookeeper://127.0.0.1:2181
+  protocol:
+    port: -1
+    name: dubbo
+  scan:
+    base-packages: cn.iocoder.mall.promotion.biz.service
+
+# logging
+logging:
+  level:
+    cn.iocoder.mall.promotion.dao: debug

promotion/promotion-service-impl/src/main/resources/mapper/BannerMapper.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="cn.iocoder.mall.promotion.biz.dao.BannerMapper">
+
+    <sql id="FIELDS">
+        id, title, url, pic_url, sort,
+        status, memo, create_time
+    </sql>
+
+<!--    <select id="selectListByPidAndStatusOrderBySort" resultType="BannerDO">-->
+<!--        SELECT-->
+<!--            <include refid="FIELDS" />-->
+<!--        FROM banner-->
+<!--        WHERE pid = #{pid}-->
+<!--        AND status = #{status}-->
+<!--        AND deleted = 0-->
+<!--        ORDER BY sort ASC-->
+<!--    </select>-->
+
+<!--    <select id="selectList" resultType="BannerDO">-->
+<!--        SELECT-->
+<!--          <include refid="FIELDS" />-->
+<!--        FROM banner-->
+<!--        WHERE deleted = 0-->
+<!--    </select>-->
+
+    <select id="selectById" parameterType="Integer" resultType="BannerDO">
+        SELECT
+          <include refid="FIELDS" />
+        FROM banner
+        WHERE id = #{id}
+        AND deleted = 0
+    </select>
+
+    <select id="selectListByTitleLike" resultType="BannerDO">
+        SELECT
+          <include refid="FIELDS" />
+        FROM banner
+        <where>
+            <if test="title != null">
+                title LIKE "%"#{title}"%"
+            </if>
+            AND deleted = 0
+        </where>
+        LIMIT #{offset}, #{limit}
+    </select>
+
+    <select id="selectCountByTitleLike" resultType="Integer">
+        SELECT
+          COUNT(1)
+        FROM banner
+        <where>
+            <if test="title != null">
+                title LIKE "%"#{title}"%"
+            </if>
+            AND deleted = 0
+        </where>
+    </select>
+
+    <insert id="insert" parameterType="BannerDO" useGeneratedKeys="true" keyColumn="id" keyProperty="id">
+        INSERT INTO banner (
+          title, url, pic_url,  sort, status,
+          memo, create_time, deleted
+        ) VALUES (
+          #{title}, #{url}, #{picUrl}, #{sort}, #{status},
+          #{memo}, #{createTime}, #{deleted}
+        )
+    </insert>
+
+    <update id="update" parameterType="BannerDO">
+        UPDATE banner
+        <set>
+            <if test="title != null">
+                title = #{title},
+            </if>
+            <if test="url != null">
+                url = #{url},
+            </if>
+            <if test="pic_url != null">
+                pic_url = #{picUrl} ,
+            </if>
+            <if test="sort != null">
+                sort = #{sort},
+            </if>
+            <if test="status != null">
+                status = #{status},
+            </if>
+            <if test="VALUES != null">
+                VALUES = #{VALUES},
+            </if>
+            <if test="deleted != null">
+                deleted = #{deleted}
+            </if>
+        </set>
+        WHERE id = #{id}
+    </update>
+
+</mapper>

promotion/promotion-service-impl/src/main/resources/mybatis-config.xml

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+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE configuration PUBLIC "-//mybatis.org//DTD Config 3.0//EN" "http://mybatis.org/dtd/mybatis-3-config.dtd">
+<configuration>
+
+    <settings>
+        <!-- 使用驼峰命名法转换字段。 -->
+        <setting name="mapUnderscoreToCamelCase" value="true"/>
+    </settings>
+
+    <typeAliases>
+        <typeAlias alias="Integer" type="java.lang.Integer"/>
+        <typeAlias alias="Long" type="java.lang.Long"/>
+        <typeAlias alias="HashMap" type="java.util.HashMap"/>
+        <typeAlias alias="LinkedHashMap" type="java.util.LinkedHashMap"/>
+        <typeAlias alias="ArrayList" type="java.util.ArrayList"/>
+        <typeAlias alias="LinkedList" type="java.util.LinkedList"/>
+    </typeAliases>
+
+</configuration>