使用@Value注解从配置文件中读取数组

status.notice.switch=open

@Value("${status.notice.switch}")
private String statusNoticeSwitch;

lanwon.hospital.id=43534,234543,w353654

@Value("#{'${lanwon.hospital.id}'.split(',')}")
private List<String> hospitalIdList;

@Value("#{systemProperties['some.key'] ?: 'my default system property value'}")
private String spelWithDefaultValue;

public static class FieldValueTestBean {
  @Value("#{ systemProperties['user.region'] }")
 private String defaultLocale;
}

public static class PropertyValueTestBean {
    private String defaultLocale;
    @Value("#{ systemProperties['user.region'] }")
    public void setDefaultLocale(String defaultLocale) {
        this.defaultLocale = defaultLocale;
    } 
}

public class SimpleMovieLister {
    private MovieFinder movieFinder;
    private String defaultLocale;
    @Autowired
    public void configure(MovieFinder movieFinder,
            @Value("#{ systemProperties['user.region'] }") String defaultLocale) {
        this.movieFinder = movieFinder;
        this.defaultLocale = defaultLocale;
    }
    // ...
}

public class MovieRecommender { 
    private String defaultLocale; 
    private CustomerPreferenceDao customerPreferenceDao; 
    @Autowired
    public MovieRecommender(CustomerPreferenceDao customerPreferenceDao,
            @Value("#{systemProperties['user.country']}") String defaultLocale) {
        this.customerPreferenceDao = customerPreferenceDao;
        this.defaultLocale = defaultLocale;
    } 
    // ...
}

@Value("${some.key:my default value}")
private String stringWithDefaultValue;

@Value("${some.key:}")
private String stringWithBlankDefaultValue;

@Value("${some.key:true}")
private boolean booleanWithDefaultValue;

@Value("${some.key:42}")
private int intWithDefaultValue;

@Value("${some.key:true}")
private Boolean booleanWithDefaultValue;
 
@Value("${some.key:42}")
private Integer intWithDefaultValue;

@Value("${some.key:one,two,three}")
private String[] stringArrayWithDefaults;
 
@Value("${some.key:1,2,3}")
private int[] intArrayWithDefaults;