#端口号 server: port: 8899 spring: datasource: driver-class-name: oracle.jdbc.driver.OracleDriver url: jdbc:oracle:thin:@//xx.xx.x.xx:1521/orcl username: xxxx password: xxxx mybatis: #实体类所做包 type-aliases-package: com.example.demo.entity #mapper.xml所在位置 mapper-locations: classpath:mapper/*.xml configuration: variables: attendanceDataBaseName: