1 import org.springframework.boot.SpringApplication;
 2 import org.springframework.boot.autoconfigure.SpringBootApplication;
 3 @SpringBootApplication 
 4 public class App {
 5      public static void main(String[] args) {
 6         SpringApplication app = new SpringApplication(App.class);
 
 7         ConfigurableApplicationContext context = app.run(args);
 8         System.out.println(context.getEnvironment().getProperty("jdbc.pwd"));  
 9         context.close();
10     }
11 }

apllication.yml 放置在classpath路徑下
1 jdbc:
2   pwd: 123456  #冒號和數字之間有一個空格，沒有否則獲取失敗，pwd前面有縮進兩個字符

ps:版本spring-4.3.2-release,springboot-1.4
 

springboot---->獲取不到yml配置文件指定的值