sprintboot 配置 lombok

springboot 3.x

首先在springboot项目的pom.xml中导入

<!--        lombok,可以简化实体类声明-->
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <version>1.18.12</version>
        </dependency>

加载完成后就可以在实体类中使用了

原代码

复制代码
package com.example.pojo;

public class User {

    private Integer id;
    private String name;
    private Short age;
    private Short gender;
    private String phone;

    public User() {
    }

    public User(Integer id, String name, Short age, Short gender, String phone) {
        this.id = id;
        this.name = name;
        this.age = age;
        this.gender = gender;
        this.phone = phone;
    }

    public Integer getId() {
        return id;
    }

    public void setId(Integer id) {
        this.id = id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public Short getAge() {
        return age;
    }

    public void setAge(Short age) {
        this.age = age;
    }

    public Short getGender() {
        return gender;
    }

    public void setGender(Short gender) {
        this.gender = gender;
    }

    public String getPhone() {
        return phone;
    }

    public void setPhone(String phone) {
        this.phone = phone;
    }

    @Override
    public String toString() {
        return "User{" +
                "id=" + id +
                ", name='" + name + '\'' +
                ", age=" + age +
                ", gender=" + gender +
                ", phone='" + phone + '\'' +
                '}';
    }
}
复制代码

使用 lombok后

其中@data等价于以下四个注解

@Getter            get方法
@Setter            set方法
@ToString           tostring方法
@EqualsAndHashCode     equals和hashcode方法

复制代码
package com.example.pojo;

import lombok.*;

//用于存放实体类
@Data
@NoArgsConstructor      //无参构造
@AllArgsConstructor     //全参构造
public class User {

    private Integer id;
    private String name;
    private Short age;
    private Short gender;
    private String phone;

}
复制代码

可以看出使用 lombok 注解后代码简化了很多

posted @   椰子灰  阅读(41)  评论(0编辑  收藏  举报
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