# feat:dao层案例

src/main/java/space/anyi/entity/User.java

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+package space.anyi.entity;
+
+/**
+ * @fileName: User
+ * @projectName: SSM_template
+ * @package: space.anyi.entity
+ * @author: 杨逸
+ * @date:2026/4/24 11:17
+ * @description: TODO
+ */
+public class User {
+}

src/main/java/space/anyi/mapper/UserMapper.java

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+package space.anyi.mapper;
+
+/**
+ * @fileName: UserMapper
+ * @projectName: SSM_template
+ * @package: space.anyi.mapper
+ * @author: 杨逸
+ * @date:2026/4/24 11:17
+ * @description:
+ */
+public interface UserMapper {
+}

src/main/resources/mapper/UserMapper.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="space.anyi.entity.User">
+    <sql id="base_filed">$END$</sql>
+
+</mapper>