官方的hello-world

Fri, 20 May 2022 17:16:29 +0000

简介#

MyBatis-Plus (opens new window)（简称 MP）是一个 MyBatis (opens new window)的增强工具，在 MyBatis 的基础上只做增强不做改变，为简化开发、提高效率而生。

快速开始#

数据库的Schema脚本 resources/db/schema-mysql.sql

DROP TABLE IF EXISTS user;

CREATE TABLE user
(
 id BIGINT(20) NOT NULL COMMENT '主键ID',
 name VARCHAR(30) NULL DEFAULT NULL COMMENT '姓名',
 age INT(11) NULL DEFAULT NULL COMMENT '年龄',
 email VARCHAR(50) NULL DEFAULT NULL COMMENT '邮箱',
 PRIMARY KEY (id)
);

数据库Data脚本 resources/db/data-mysql.sql

DELETE FROM user;

INSERT INTO user (id, name, age, email) VALUES
(1, 'Jone', 18, 'test1@baomidou.com'),
(2, 'Jack', 20, 'test2@baomidou.com'),
(3, 'Tom', 28, 'test3@baomidou.com'),
(4, 'Sandy', 21, 'test4@baomidou.com'),
(5, 'Billie', 24, 'test5@baomidou.com');

创建一个spring boot工程（使用maven）

父工程

<parent>
 <groupId>org.springframework.boot</groupId>
 <artifactId>spring-boot-starter-parent</artifactId>
 <version>2.7.0</version>
 <relativePath/>
</parent>

springboot 相关仓库及mybatis-plus、mysql、Lombok相关仓库引入


 <dependencies>
 <dependency>
 <groupId>org.springframework.boot</groupId>
 <artifactId>spring-boot-starter</artifactId>
 </dependency>
 <dependency>
 <groupId>org.springframework.boot</groupId>
 <artifactId>spring-boot-starter-test</artifactId>
 <scope>test</scope>
 </dependency>
 <dependency>
 <groupId>com.baomidou</groupId>
 <artifactId>mybatis-plus-boot-starter</artifactId>
 <version>3.5.1</version>
 </dependency>

 <dependency>
 <groupId>org.springframework.boot</groupId>
 <artifactId>spring-boot-starter-web</artifactId>
 </dependency>
 <dependency>
 <groupId>com.h2database</groupId>
 <artifactId>h2</artifactId>
 <scope>runtime</scope>
 </dependency>
 <!-- https://mvnrepository.com/artifact/mysql/mysql-connector-java -->
 <dependency>
 <groupId>mysql</groupId>
 <artifactId>mysql-connector-java</artifactId>
 <version>8.0.29</version>
 </dependency>
 <!-- https://mvnrepository.com/artifact/org.projectlombok/lombok -->
 <dependency>
 <groupId>org.projectlombok</groupId>
 <artifactId>lombok</artifactId>
 <version>1.18.24</version>
 <scope>provided</scope>
 </dependency>

 </dependencies>

配置resources/application.yml文件

Mybatis-Plus Official on 随记

官方的hello-world

简介#

快速开始#