Springboot整合Mybatispuls的实例详解
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2022-03-08 21:40:46
springboot整合mybatispulsmaven导入依赖,主要只需导入mybatispuls org.springf...
springboot整合mybatispuls
maven导入依赖,主要只需导入mybatispuls
<dependency> <groupid>org.springframework.boot</groupid> <artifactid>spring-boot-starter-data-jdbc</artifactid> </dependency> <dependency> <groupid>com.baomidou</groupid> <artifactid>mybatis-plus-boot-starter</artifactid> <version>3.0.1</version> </dependency> <dependency> <groupid>mysql</groupid> <artifactid>mysql-connector-java</artifactid> <scope>runtime</scope> </dependency> <dependency> <groupid>org.projectlombok</groupid> <artifactid>lombok</artifactid> <optional>true</optional> </dependency>
配置数据源
spring.datasource.username=root spring.datasource.password=root spring.datasource.driver-class-name=com.mysql.cj.jdbc.driver spring.datasource.url=jdbc:mysql://localhost:3306/springboot?useunicode=true&characterencoding=utf-8&servertimezone=utc server.port=8082
编写实体类
@data @allargsconstructor @noargsconstructor @tablename("users")//连接的表名 public class users implements serializable { @tableid("id")标记该变量为主键 private integer id; private string account; @tablefield("passwraod" )//如果实体类变量和数据库不同使用 private string password; private integer authority; }
mapper接口编写
继承basemapper<这里为实体类>
@org.apache.ibatis.annotations.mapper//让spring容器扫描该类为mapper @repository public interface mapper extends basemapper<users> { }
basemapper源码
实现接口方法
@restcontroller public class control { @autowired mapper mapper; @requestmapping("/hello") public users select(){ users users = mapper.selectbyid(1); return users; } }
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