//常量
@Value("#{1}")
private int constant;
//從屬性源取值
@Value("${test.name}")
private String name;
//從屬性源取值
@Value("${test.name2: defaultname}")
private String namedefault;
//從容器中擷取bean的的屬性值
@Value("#{developerProperty.name}")
private String dname;
//從指定屬性源擷取屬性值(jvm屬性)
@Value("#{systemProperties['spring.application.json']}")
private String systemPropertiesjson;
//從指定屬性源擷取屬性值(系統環境屬性源)
@Value("#{systemEnvironment['HOME']}")
private String systemEnvironmentHOME;
//從指定屬性源擷取屬性值 預設值
@Value("#{systemEnvironment['HOME22']?:'default'}")
private String systemEnvironmentHOMEdefault;
//擷取随機值
@Value("${random.int.5,100;}")
private Integer randomint;