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[英]Springs SimpleJdbcInsert doesn't produce auto-generated keys as expected
[英]Spring Boot doesn't increment auto-generated id with type long
我正在创建一个名为 idPallet 的 Long id 类型的集合,它应该递增。
Pallet.java(集合)
package com.example.ShippingTest.collections;
import jakarta.persistence.GeneratedValue;
import jakarta.persistence.GenerationType;
import jakarta.persistence.SequenceGenerator;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import org.springframework.data.annotation.Id;
import java.util.List;
@Data
@NoArgsConstructor
@AllArgsConstructor
public class Pallet {
@Id
@GeneratedValue(generator = "pallet_seq",strategy = GenerationType.IDENTITY)
@SequenceGenerator(name = "pallet_seq",sequenceName = "pallet",initialValue = 1,allocationSize = 1)
//@JsonIgnore
private Long idPallet;
private int maxPallet;
private String typePallet;
private String shipAddress;
private String shipLocation;
private String shipCountry;
private String destination;
private List<PS> PackingSlip;
}
托盘控制器
@PostMapping("/pallets")
public void savePallet(@RequestBody Pallet pallet) {
palletRepo.save(pallet);
}
资料库
package com.example.ShippingTest.repositories;
import com.example.ShippingTest.collections.Pallet;
import org.springframework.data.mongodb.repository.MongoRepository;
import org.springframework.stereotype.Repository;
@Repository
public interface PalletRepo extends MongoRepository<Pallet,Long> {
public Pallet findOrderByidPallet(Long idPallet);
}
每当我尝试发布新托盘时,都会显示此异常:“消息”:“无法为 com.example.ShippingTest.collections.Pallet 类型的实体自动生成 java.lang.Long 类型的 ID”,
我在没有 @SequenceGenerator 的情况下尝试了这个,即使在使用它之后,帖子也没有用。 当我在 Pallet.java 中添加 @Entity 时,我收到错误消息,要求添加另一个 id:'Basic' 属性类型不应该是容器。
我认为您缺少@Entity
注释。
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