spring.datasource.druid:
  # MySQL
  url: jdbc:mysql://localhost:3306/pioneer?characterEncoding=utf8&serverTimezone=GMT%2B8
  username: root
  password: 123456
  driver-class-name: com.mysql.cj.jdbc.Driver
  # 连接池配置
  initial-size: 1
  max-active: 5
  max-wait: 60000
  pool-prepared-statements: true
  max-pool-prepared-statement-per-connection-size: 5
  max-open-prepared-statements: 5
  validation-query: select 1 from dual
  validation-query-timeout: 10000
  test-on-borrow: false
  test-on-return: false
  test-while-idle: true
  time-between-eviction-runs-millis: 60000