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文章目录Maven依赖mybatis-config.xml（Mybatis的配置文件）UserMapper（Mapper接口）Dao（实体类）Usermapper.xml（mapper的配置类）包结构 Maven依赖 <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> <version&

mybatis的依赖 <dependencies> <dependency> <groupId>org.projectlombok</groupId> <artifactId>lombok</artifactId> <version>1.16.10</version> </dependency>