Spring Boot3整合Mybatis Plus,数据库为MySQL
项目结构如下:

注意不需要任何XML文件
1.导入依赖
除了Spring Boot创建时自带的依赖,还需要加入:
driverClassName有这样不同版本对应关系
driverClassName: com.mysql.jdbc.Driver # mysql-connector-java 5.x及之前版本中的驱动类名
driverClassName: com.mysql.cj.jdbc.Driver # mysql-connector-java 6.x及后续版本中的驱动类名
2.配置application.yaml文件
spring:
datasource:
driverClassName: com.mysql.cj.jdbc.Driver
url: jdbc:mysql://127.0.0.1:3306/xxx
username: root
password: 'xxx'
3.创建实体(entity)
@Data
public class User {
private Long id;
private String name;
private String password;
@TableLogic
@TableField("is_deleted")
private Boolean deleted;
private Date creatTime;
private Date lastUpdateTime;
}
4.创建数据访问层(mapper)对象
public interface UserMapper extends BaseMapper
}
5.在启动类添加扫描注解
@MapperScan("com.example.mapper")


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