Lombok的@Data注解包含的方法（没有全参构造方法）

Lombok的@Data注解包含的方法（没有全参构造方法）

结论：

@Data ： 注解在实体类上，提供类的get、set、equals、hashCode、canEqual、toString、无参构造方法。注意：没有全参构造方法。

测试：

1.Maven引入依赖

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

3.编写实体类

/**
 * 用户数据的实体类
 */
@Data
public class User implements Serializable {
    private Integer uid;
    private String username;
    private String password;
    private String salt;
    private String phone;
    private String email;
    private Integer gender;
    private String avatar;
    private Integer isDelete;
}
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4.编译

点击compile进行编译。

5.查看target文件

6.编译后的源代码

 public class User implements Serializable {
    private Integer uid;
    private String username;
    private String password;
    private String salt;
    private String phone;
    private String email;
    private Integer gender;
    private String avatar;
    private Integer isDelete;
 
    public User() {
    }
 
    public Integer getUid() {
        return this.uid;
    }
 
    public String getUsername() {
        return this.username;
    }
 
    public String getPassword() {
        return this.password;
    }
 
    public String getSalt() {
        return this.salt;
    }
 
    public String getPhone() {
        return this.phone;
    }
 
    public String getEmail() {
        return this.email;
    }
 
    public Integer getGender() {
        return this.gender;
    }
 
    public String getAvatar() {
        return this.avatar;
    }
 
    public Integer getIsDelete() {
        return this.isDelete;
    }
 
    public void setUid(final Integer uid) {
        this.uid = uid;
    }
 
    public void setUsername(final String username) {
        this.username = username;
    }
 
    public void setPassword(final String password) {
        this.password = password;
    }
 
    public void setSalt(final String salt) {
        this.salt = salt;
    }
 
    public void setPhone(final String phone) {
        this.phone = phone;
    }
 
    public void setEmail(final String email) {
        this.email = email;
    }
 
    public void setGender(final Integer gender) {
        this.gender = gender;
    }
 
    public void setAvatar(final String avatar) {
        this.avatar = avatar;
    }
 
    public void setIsDelete(final Integer isDelete) {
        this.isDelete = isDelete;
    }
 
    public boolean equals(final Object o) {
        if (o == this) {
            return true;
        } else if (!(o instanceof User)) {
            return false;
        } else {
            User other = (User)o;
            if (!other.canEqual(this)) {
                return false;
            } else {
                label119: {
                    Object this$uid = this.getUid();
                    Object other$uid = other.getUid();
                    if (this$uid == null) {
                        if (other$uid == null) {
                            break label119;
                        }
                    } else if (this$uid.equals(other$uid)) {
                        break label119;
                    }
 
                    return false;
                }
 
                Object this$gender = this.getGender();
                Object other$gender = other.getGender();
                if (this$gender == null) {
                    if (other$gender != null) {
                        return false;
                    }
                } else if (!this$gender.equals(other$gender)) {
                    return false;
                }
 
                label105: {
                    Object this$isDelete = this.getIsDelete();
                    Object other$isDelete = other.getIsDelete();
                    if (this$isDelete == null) {
                        if (other$isDelete == null) {
                            break label105;
                        }
                    } else if (this$isDelete.equals(other$isDelete)) {
                        break label105;
                    }
 
                    return false;
                }
 
                Object this$username = this.getUsername();
                Object other$username = other.getUsername();
                if (this$username == null) {
                    if (other$username != null) {
                        return false;
                    }
                } else if (!this$username.equals(other$username)) {
                    return false;
                }
 
                label91: {
                    Object this$password = this.getPassword();
                    Object other$password = other.getPassword();
                    if (this$password == null) {
                        if (other$password == null) {
                            break label91;
                        }
                    } else if (this$password.equals(other$password)) {
                        break label91;
                    }
 
                    return false;
                }
 
                Object this$salt = this.getSalt();
                Object other$salt = other.getSalt();
                if (this$salt == null) {
                    if (other$salt != null) {
                        return false;
                    }
                } else if (!this$salt.equals(other$salt)) {
                    return false;
                }
 
                label77: {
                    Object this$phone = this.getPhone();
                    Object other$phone = other.getPhone();
                    if (this$phone == null) {
                        if (other$phone == null) {
                            break label77;
                        }
                    } else if (this$phone.equals(other$phone)) {
                        break label77;
                    }
 
                    return false;
                }
 
                label70: {
                    Object this$email = this.getEmail();
                    Object other$email = other.getEmail();
                    if (this$email == null) {
                        if (other$email == null) {
                            break label70;
                        }
                    } else if (this$email.equals(other$email)) {
                        break label70;
                    }
 
                    return false;
                }
 
                Object this$avatar = this.getAvatar();
                Object other$avatar = other.getAvatar();
                if (this$avatar == null) {
                    if (other$avatar != null) {
                        return false;
                    }
                } else if (!this$avatar.equals(other$avatar)) {
                    return false;
                }
 
                return true;
            }
        }
    }
 
    protected boolean canEqual(final Object other) {
        return other instanceof User;
    }
 
    public int hashCode() {
        int PRIME = true;
        int result = 1;
        Object $uid = this.getUid();
        int result = result * 59 + ($uid == null ? 43 : $uid.hashCode());
        Object $gender = this.getGender();
        result = result * 59 + ($gender == null ? 43 : $gender.hashCode());
        Object $isDelete = this.getIsDelete();
        result = result * 59 + ($isDelete == null ? 43 : $isDelete.hashCode());
        Object $username = this.getUsername();
        result = result * 59 + ($username == null ? 43 : $username.hashCode());
        Object $password = this.getPassword();
        result = result * 59 + ($password == null ? 43 : $password.hashCode());
        Object $salt = this.getSalt();
        result = result * 59 + ($salt == null ? 43 : $salt.hashCode());
        Object $phone = this.getPhone();
        result = result * 59 + ($phone == null ? 43 : $phone.hashCode());
        Object $email = this.getEmail();
        result = result * 59 + ($email == null ? 43 : $email.hashCode());
        Object $avatar = this.getAvatar();
        result = result * 59 + ($avatar == null ? 43 : $avatar.hashCode());
        return result;
    }
 
    public String toString() {
        Integer var10000 = this.getUid();
        return "User(uid=" + var10000 + ", username=" + this.getUsername() + ", password=" + this.getPassword() + ", salt=" + this.getSalt() + ", phone=" + this.getPhone() + ", email=" + this.getEmail() + ", gender=" + this.getGender() + ", avatar=" + this.getAvatar() + ", isDelete=" + this.getIsDelete() + ")";
    }
}
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查看编译后的代码可以看到有get、set、equals、hashCode、canEqual、toString、无参构造方法，并没有全参构造方法。
想要全参构造方法需要添加 @AllArgsConstructor 注解。