ConfigurableEnvironment environment = applicationContext.getEnvironment();
//动态获取环境变量的值;Windows 10
String property = environment.getProperty("os.name");
System.out.println(property);
结果:windows 10
ConfigurableEnvironment environment = applicationContext.getEnvironment();
//动态获取环境变量的值;Windows 10
String property = environment.getProperty("os.name");
System.out.println(property);
结果:windows 10