获取yml配置文件节点值

spring:
  datasource:
      username: u
      password: 1
      url: jdbc:oracle:thin:@localhost:orcl
      driverClassName: oracle.jdbc.driver.OracleDriver

获取url的值

public class GbntController { 
 
 @Autowired
 Environment environment;

 public void test(){

 String url = environment.getProperty("spring.datasource.url");
 }
}