配置Mysql

Maven依赖

<!--        数据库相关-->
<!--        mybatis-plus-->
        <dependency>
            <groupId>com.baomidou</groupId>
            <artifactId>mybatis-plus-boot-starter</artifactId>
            <version>${mybatis-plus}</version>
        </dependency>
<!--        Druid连接池-->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid-spring-boot-starter</artifactId>
            <version>${druid}</version>
        </dependency>
<!--        mysql驱动-->
        <dependency>
            <groupId>com.mysql</groupId>
            <artifactId>mysql-connector-j</artifactId>
            <version>${mysql-connector-j}</version>
        </dependency>
<!-- Lombok (可选，简化代码) -->
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <version>${lombook}</version>
        </dependency>



<!-- properties属性加入版本信息-->
<properties>
        <lombook>1.18.36</lombook>
        <mybatis-plus>3.5.5</mybatis-plus>
        <druid>1.2.19</druid>
        <mysql-connector-j>8.0.33</mysql-connector-j>
</properties>

yml配置

application-dev.yml:

belnuan:
  spring:
    #mysql
    datasource:
      type: com.alibaba.druid.pool.DruidDataSource
      driver-class-name: com.mysql.cj.jdbc.Driver
      url: jdbc:mysql://localhost:3306/your_database?useUnicode=true&characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&allowPublicKeyRetrieval=true
      username: root
      password: 123456

application.yml:

spring:
  #mysql
  datasource:
    type: ${belnuan.spring.datasource.type}
    driver-class-name: ${belnuan.spring.datasource.driver-class-name}
    url: ${belnuan.spring.datasource.url}
    username: ${belnuan.spring.datasource.username}
    password: ${belnuan.spring.datasource.password}