Lombok介绍、使用方法、工作原理和总结 – 猿人谷



Lombok介绍、使用方法、工作原理和总结 – 猿人谷

Project Lombok makes java a spicier language by adding 'handlers' that know how to build and compile simple, boilerplate-free, not-quite-java code.

大致意思是Lombok通过增加一些"处理程序",可以让java变得简洁、快速。

2 Lombok使用方法

Lombok能以简单的注解形式来简化java代码,提高开发人员的开发效率。例如开发中经常需要写的javabean,都需要花时间去添加相应的getter/setter,也许还要去写构造器、equals等方法,而且需要维护,当属性多时会出现大量的getter/setter方法,这些显得很冗长也没有太多技术含量,一旦修改属性,就容易出现忘记修改对应方法的失误。

Lombok能通过注解的方式,在编译时自动为属性生成构造器、getter/setter、equals、hashcode、toString方法。出现的神奇就是在源码中没有getter和setter方法,但是在编译生成的字节码文件中有getter和setter方法。这样就省去了手动重建这些代码的麻烦,使代码看起来更简洁些。

Lombok的使用跟引用jar包一样,可以在官网(https://projectlombok.org/download)下载jar包,也可以使用maven添加依赖:


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