SpringBoot项目数据库配置

application.properties

//demo是数据库名
spring.datasource.url=jdbc:mysql://localhost:3306/demo?serverTimezone=UTC&characterEncoding=utf-8  //demo
spring.datasource.username=root
spring.datasource.password=123456
spring.datasource.driverClassName=com.mysql.cj.jdbc.Driver

//配置mybatis，引用实体类时可以使用实体类的别名来代替实体类，达到简写的目的,demo1是项目名
mybatis.type-aliases-package=gu.demo1.entity

application.yml

#数据库数据源
spring:
  datasource:
    type: com.alibaba.druid.pool.DruidDataSource
    username: root
    password: 123456
    url: jdbc:mysql://localhost:3306/demo?useUnicode=true&characterEncoding=utf-8&serverTimezone=GMT
    driver-class-name: com.mysql.cj.jdbc.Driver
    
mybatis:
  type-aliases-package: com.gu.pojo   #放置别名
  mapper-locations: classpath:/mybatis/*.xml    #放置xml文件
  configuration:
    log-impl: org.apache.ibatis.logging.stdout.StdOutImpl