IDEA Lombok插件


新公司大家都用IDEA,最終舍棄Eclipse入鄉隨俗,失去了一些功能,也得到了一些功能,用了兩個月終於習慣后感覺比Eclipse更好用?

偶然知道還有Lombok少寫代碼的這種Coding神器,使用其注解能夠在我們編譯源碼的時候自動為我們生成很多Code。

依賴

<dependency>
    <groupId>org.projectlombok</groupId>
    <artifactId>lombok</artifactId>
    <version>1.18.0</version>
    <scope>provided</scope>
</dependency>

好用的幾個注解 

注解 作用
@ToString  自動生成ToString方法
@Getter@Setter  自動生成Getter和Setter方法
@Slf4j 自動生成一個使用Slf4j的log常量,無需再聲明log,coding可直接log.info

官方介紹

注解 作用
@NonNull

or: How I learned to stop worrying and love the NullPointerException.

@Cleanup  Automatic resource management: Call your close() methods safely with no hassle.
@Getter/@Setter Never write public int getFoo() {return foo;} again.
@ToString No need to start a debugger to see your fields: Just let lombok generate a toString for you!
@EqualsAndHashCode Equality made easy: Generates hashCode and equals implementations from the fields of your object..
@NoArgsConstructor, @RequiredArgsConstructor and @AllArgsConstructor Constructors made to order: Generates constructors that take no arguments, one argument per final / non-nullfield, or one argument for every field.
@Data All together now: A shortcut for @ToString, @EqualsAndHashCode, @Getter on all fields, and @Setter on all non-final fields, and @RequiredArgsConstructor!
@Value Immutable classes made very easy.
@Builder ... and Bob's your uncle: No-hassle fancy-pants APIs for object creation!
@SneakyThrows To boldly throw checked exceptions where no one has thrown them before!
@Synchronized synchronized done right: Don't expose your locks.
@Getter(lazy=true) Laziness is a virtue!
@Log Captain's Log, stardate 24435.7: "What was that line again?"


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