使用lombok的注解的代码，通过使用delombok来查看lombok为我们生成的代码

CardInfo.java

import lombok.Data;

@Data
public class CardInfo {
	private Integer cardId;
}

GenerateRes.java

// Generated by delombok at Wed Dec 18 10:59:34 CST 2019

public class CardInfo {
	private Integer cardId;

	@java.lang.SuppressWarnings("all")
	public CardInfo() {
	}

	@java.lang.SuppressWarnings("all")
	public Integer getCardId() {
		return this.cardId;
	}

	@java.lang.SuppressWarnings("all")
	public void setCardId(final Integer cardId) {
		this.cardId = cardId;
	}

	@java.lang.Override
	@java.lang.SuppressWarnings("all")
	public boolean equals(final java.lang.Object o) {
		if (o == this) return true;
		if (!(o instanceof CardInfo)) return false;
		final CardInfo other = (CardInfo) o;
		if (!other.canEqual((java.lang.Object) this)) return false;
		final java.lang.Object this$cardId = this.getCardId();
		final java.lang.Object other$cardId = other.getCardId();
		if (this$cardId == null ? other$cardId != null : !this$cardId.equals(other$cardId)) return false;
		return true;
	}

	@java.lang.SuppressWarnings("all")
	protected boolean canEqual(final java.lang.Object other) {
		return other instanceof CardInfo;
	}

	@java.lang.Override
	@java.lang.SuppressWarnings("all")
	public int hashCode() {
		final int PRIME = 59;
		int result = 1;
		final java.lang.Object $cardId = this.getCardId();
		result = result * PRIME + ($cardId == null ? 43 : $cardId.hashCode());
		return result;
	}

	@java.lang.Override
	@java.lang.SuppressWarnings("all")
	public java.lang.String toString() {
		return "CardInfo(cardId=" + this.getCardId() + ")";
	}
}

文件目录中有

• CardInfo.java
• lombok-1.18.6.jar

运行命令delombok command

java -jar lombok-1.18.6.jar delombok -p CardInfo.java > GenerateRes.java