public interface PosAccountRecordRepository extends JpaRepository<PosAccountRecord, String> {
List<PosAccountRecord> findTop3ByposAccountIdAndRecordTypeOrderByRecordTimeDesc(final String posAccountId, final int recordType);
@Query(value="SELECT "
+ "SUM(pos.AMOUNT) sumamount, COUNT(1) sumcount, pos.RECORD_TYPE FROM "
+ "POS_ACCOUNT_RECORD pos "
+ "GROUP BY pos.RECORD_TYPE ",nativeQuery=true)
List<Object[]> findPosAccountCollect();
@Query(value="SELECT "
+ "SUM( IF ( pos.RECORD_TYPE = 0, pos.AMOUNT,0 ) ) AS sumincomeamount, "
+ "SUM( IF ( pos.RECORD_TYPE = 1, pos.AMOUNT,0 ) ) AS sumoutgoamount, "
+ "SUM( IF ( pos.RECORD_TYPE = 0, 1,0 ) ) AS sumincomecount, "
+ "SUM( IF ( pos.RECORD_TYPE = 1, 1,0 ) ) AS sumoutgocount "
+ "FROM POS_ACCOUNT_RECORD pos "
+ "where 1=1 "
+ "and pos.RECORD_TIME <= STR_TO_DATE(:a,"%Y-%m-%d") ",nativeQuery=true)
List<Object[]> findPosAccountSumCollect(@Param(value = "a") String a);
}
代码如上，在执行 上述的 findPosAccountSumCollect 方法时，假如参数a为空，就不执行 where中 带参数a的查询条件，哪位知道怎么弄啊！在线等~
解决方案
CodeBye 版权所有丨如未注明 , 均为原创丨本网站采用BY-NC-SA协议进行授权 , 转载请注明spring data jpa 查询参数为空的问题！