写如果实体类,使用lombok可以不用重复使用get,set方法和构造方法
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import java.io.Serializable;
/**
* 导入lombok,注解实现get,set
* @NoArgsConstructor 注解标签等于
* Payment(){
* }
* @AllArgsConstructor 注解标签等于
* Payment(long id, String serial){
* this.id = id;
* this.serial = serial;
* }
*/
@Data
@AllArgsConstructor
@NoArgsConstructor
public class Payment implements Serializable {
private long id;
private String serial;
}