jpa只查指定的字段

JpaRepository中new的方式产生新的对象,并配置好其构造函数

JPA对字段命名有一点规则,推荐使用驼峰式命名,如果下面的方法会报错,并且没有明确的报错信息,请先看字段是否合法!!!!!

下面是实例代码:
JpaRepository:

@Transactional
public interface PayeeDataRepo extends JpaRepository {

    @Query("select new com.stylefeng.guns.workday.bean.PayeeData(p.id,p.name,p.bankAccountNumberEncode,p.adhocPayeeID,p.isDomestic,p.bankAccountName ) from PayeeData p")
    List finddAllNoBankNumber();
    
    }
PayeeData Bean:
public class PayeeData implements Serializable {

   public PayeeData() {
    }

    public PayeeData(String id, String name, String bankAccountNumberEncode, String adhocPayeeID, Integer isDomestic, String bankAccountName) {
        this.id = id;
        this.name = name;
        this.bankAccountNumberEncode = bankAccountNumberEncode;
        this.adhocPayeeID = adhocPayeeID;
        this.isDomestic = isDomestic;
        this.bankAccountName = bankAccountName;
    }
}

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