dbc.dataSource=org.springframework.jdbc.datasource.DriverManagerDataSource jdbc.driverClassName=oracle.jdbc.driver.OracleDriver jdbc.url=jdbc:oracle:thin:@localhost:1521:orcl jdbc.username=zhangsan jdbc.password=zs123
配置文件key重复，重新改名称就好了
https://www.cnblogs.com/flyfishing1991/archive/2004/01/13/14053304.html