Springboot连接数据库配置
本⽂使⽤druid连接池和mysql作为演⽰，springboot默认使⽤HikariCP连接池。
1、引⼊依赖
<dependency>
<groupId>mysql</groupId>
druid连接池配置详解<artifactId>mysql-connector-java</artifactId>
<version>8.0.26</version>
</dependency>
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.12</version>
</dependency>
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>1.2.8</version>
</dependency>
<dependency>
<groupId&batis.spring.boot</groupId>
<artifactId>mybatis-spring-boot-starter</artifactId>
<version>2.1.3</version>
</dependency>
2、配置l⽂件
spring:
datasource:
type: com.alibaba.druid.pool.DruidDataSource
driver-class-name: sql.cj.jdbc.Driver
url: jdbc:mysql://localhost:3306/mybatis?serverTimeZone=UTC&useUnicode=true&characterEncoding=UTF-8&useSSL=false    username: root
password: zhongxiaoting

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