工作中使用spring data jpa 遇到一个百思不得姐的问题,劳烦各位大佬帮忙指点迷津。,小老弟感激不尽!!
DAO :
package com.xhsceis.credit.repository.firstScreenRepository;
import com.xhsceis.credit.entity.FsManageStatus;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.data.jpa.repository.Query;
import java.util.List;
public interface FsManageStatusRepository extends JpaRepository<FsManageStatus,String> {
@Query(value = "SELECT FS.changPing,FS.chaoYang FROM FsManageStatus FS")
List<FsManageStatus> getFsManageStatus();
}
SERVICE:
List<FsManageStatus> fsManageStatusList = fsManageStatusRepository.getFsManageStatus();
for **(FsManageStatus fsManageStatus : fsManageStatusList)** {
Map<String, Object> fsManage = Maps.newHashMap();
Map<String, Object> data = Maps.newHashMap();
data.put("changPing", fsManageStatus.getChangPing());
data.put("chaoYang", fsManageStatus.getChaoYang());
}
ENTITY:
@Entity
@Table(name = "FS_MANAGE_STATUS")
public class FsManageStatus {
@Id
@Column(name = "STATUS")
private String status;
@Column(name = "DONG_CHENG")
private String dongCheng;
@Column(name = "FENG_TAI")
private String fengTai;
@Column(name = "DA_XING")
private String daXing;
@Column(name = "MI_YUN")
private String miYun;
@Column(name = "PING_GU")
private String pingGu;
@Column(name = "YAN_QING")
private String yanQing;
@Column(name = "HUAI_ROU")
private String huaiRou;
@Column(name = "FANG_SHAN")
private String fangShan;
@Column(name = "CHANG_PING")
private String changPing;
@Column(name = "CHAO_YANG")
private String chaoYang;
@Column(name = "HAI_DIAN")
private String haiDian;
@Column(name = "SHI_JING_SHAN")
private String shiJingShan;
@Column(name = "XI_CHENG")
private String xiCheng;
@Column(name = "TONG_ZHOU")
private String tongZhou;
@Column(name = "MEN_TOU_GOU")
private String menTouGou;
@Column(name = "SHUN_YI")
private String shunYi;
@Column(name = "COUNT")
private String count;
问题描述:service 查出来的数据对象集合,我遍历的时候,报错说类型转换异常
java.lang.ClassCastException: [Ljava.lang.Object; cannot be cast to com.xhsceis.credit.entity.FsManageStatus
我猜应该是jpa查到的数据没有给指定成集合对象来接收,而是自己默认为object存储的。这是我的猜想,最后,还是得麻烦大佬给解答一哈儿。