Lombook User Guide

 1. What is? Lombook

Lombok It's a simple form of annotation that can help us simplify and eliminate some of the necessary but bloated ones Java Code tools , By using the corresponding annotation , You can generate the corresponding method when compiling the source code ,

That is, before simplifying us pojo, Entity classes are bloated get/set With or without parameters .

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2.Lombok Use

Use Lombok The required development environment Java+Maven+IntelliJ IDEA perhaps Eclipse( install Lombok Plugin)

Idea Lower installation lombook plug-in unit

Now some idea The version will inherit automatically. If you inherit, you don't need to download . 

maven rely on 、

<dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <optional>true</optional>
        </dependency>

  Refresh your after import maven So you can use lombook It's amazing to find a developer .

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3. Quickly create an entity class

import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;

@Data
@AllArgsConstructor
@NoArgsConstructor
public class Activity {
    private long id;
    private long uerid;
}

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 4 Explanation of notes

        @Data   ： Annotation on class ; Providing all properties of the class getting and setting Method , It also provides equals、canEqual、hashCode、toString Method

        @Setter： Comment on attribute ; Provide... For properties setting Method

        @Getter： Comment on attribute ; Provide... For properties getting Method

        @Log4j ： Annotation on class ; Provide a... For the class Properties, log Of log4j Log object

        @NoArgsConstructor： Annotation on class ; Provides a parameterless construction method for a class

        @AllArgsConstructor： Annotation on class ; Provide a construction method of all parameters for the class

 

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