步行去过北戴河

摘要： public static <T> Predicate<T> distinctByKey(Function<? super T, ?> keyExtractor) { ConcurrentHashMap<Object, Boolean> map = new ConcurrentHashMap<>() 阅读全文

摘要： public class System extends BaseEntity { private static final long serialVersionUID = 1L; /** * 设备名称 */ @ApiModelProperty(value = "设备名称") private Stri 阅读全文