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src/main/resources/mapper/TbParamsMapper.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="com.chaozhanggui.system.cashierservice.dao.TbParamsMapper">
+  <resultMap id="BaseResultMap" type="com.chaozhanggui.system.cashierservice.entity.TbParams">
+    <id column="id" jdbcType="INTEGER" property="id" />
+    <result column="integral_ratio" jdbcType="DECIMAL" property="integralRatio" />
+    <result column="trade_ratio" jdbcType="DECIMAL" property="tradeRatio" />
+  </resultMap>
+  <sql id="Base_Column_List">
+    id, integral_ratio, trade_ratio
+  </sql>
+  <select id="selectByPrimaryKey" parameterType="java.lang.Integer" resultMap="BaseResultMap">
+    select 
+    <include refid="Base_Column_List" />
+    from tb_params
+    where id = #{id,jdbcType=INTEGER}
+  </select>
+  <delete id="deleteByPrimaryKey" parameterType="java.lang.Integer">
+    delete from tb_params
+    where id = #{id,jdbcType=INTEGER}
+  </delete>
+  <insert id="insert" parameterType="com.chaozhanggui.system.cashierservice.entity.TbParams">
+    insert into tb_params (id, integral_ratio, trade_ratio
+      )
+    values (#{id,jdbcType=INTEGER}, #{integralRatio,jdbcType=DECIMAL}, #{tradeRatio,jdbcType=DECIMAL}
+      )
+  </insert>
+  <insert id="insertSelective" parameterType="com.chaozhanggui.system.cashierservice.entity.TbParams">
+    insert into tb_params
+    <trim prefix="(" suffix=")" suffixOverrides=",">
+      <if test="id != null">
+        id,
+      </if>
+      <if test="integralRatio != null">
+        integral_ratio,
+      </if>
+      <if test="tradeRatio != null">
+        trade_ratio,
+      </if>
+    </trim>
+    <trim prefix="values (" suffix=")" suffixOverrides=",">
+      <if test="id != null">
+        #{id,jdbcType=INTEGER},
+      </if>
+      <if test="integralRatio != null">
+        #{integralRatio,jdbcType=DECIMAL},
+      </if>
+      <if test="tradeRatio != null">
+        #{tradeRatio,jdbcType=DECIMAL},
+      </if>
+    </trim>
+  </insert>
+  <update id="updateByPrimaryKeySelective" parameterType="com.chaozhanggui.system.cashierservice.entity.TbParams">
+    update tb_params
+    <set>
+      <if test="integralRatio != null">
+        integral_ratio = #{integralRatio,jdbcType=DECIMAL},
+      </if>
+      <if test="tradeRatio != null">
+        trade_ratio = #{tradeRatio,jdbcType=DECIMAL},
+      </if>
+    </set>
+    where id = #{id,jdbcType=INTEGER}
+  </update>
+  <update id="updateByPrimaryKey" parameterType="com.chaozhanggui.system.cashierservice.entity.TbParams">
+    update tb_params
+    set integral_ratio = #{integralRatio,jdbcType=DECIMAL},
+      trade_ratio = #{tradeRatio,jdbcType=DECIMAL}
+    where id = #{id,jdbcType=INTEGER}
+  </update>
+</mapper>