客户统计的代码框架

src/main/resources/mapper/CustomerManagementStatisticsMapper.xml

@@ -0,0 +1,12 @@
+<?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.rj.mapper.CustomerManagementStatisticsMapper">
+
+    <!-- 删除指定日期的统计数据 -->
+    <delete id="deleteByStatisticsDate" parameterType="java.time.LocalDate">
+        DELETE FROM customer_management_statistics 
+        WHERE statistics_date = #{date}
+    </delete>
+
+</mapper>
+