SpringBoot图文教程1「概念+案例思维导图」「基础篇上」(20)_有天上飞的概念

实体类准备

在boot-hello项目的com.lu.entity包中写入实体类

public class User { private Integer id; private String username; private String password;//get set 方法省略....复制代码复制代码复制代码

resources 下创建mappers目录（放置mapper文件）

集成Mybatis

1.导入依赖

<dependency> <groupId>org.mybatis.spring.boot</groupId> <artifactId>mybatis-spring-boot-starter</artifactId> <version>1.3.2</version> </dependency> <dependency> <groupId>com.alibaba</groupId> <artifactId>druid</artifactId> <version>1.0.19</version> </dependency> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.38</version> </dependency>复制代码