@Query(nativeQuery = true,value = "SELECT a.id , e.created_date FROM jg_bed a,jg_checkin_bed b ,jg_checkin c , jg_elder d, jg_checkout e WHERE a.id = b.bed_id and b.checkin_id = c.id and c.elder_id = d.id and d.id = e.elder_id and c.usage = ?1 and c.move_in_status =?2 and a.tenant_id = ?3 and ") List<Map<String,String>>getCheckOutTimeAndBedId(String usage, String moveInStatusCheckOutDoing , String tenantId, QueryData queryData); 如何动态拼接上queryData中的条件 有则查询，无则不查询

您可以使用动态SQL的方式来拼接上queryData中的条件，例如：

@Query(nativeQuery = true, value = "SELECT a.id, e.created_date FROM jg_bed a, jg_checkin_bed b, jg_checkin c, jg_elder d, jg_checkout e " +
        "WHERE a.id = b.bed_id AND b.checkin_id = c.id AND c.elder_id = d.id AND d.id = e.elder_id AND c.usage = ?1 AND c.move_in_status = ?2 " +
        "AND a.tenant_id = ?3 " +
        "<if test='queryData != null'> " +
        "AND a.some_column = #{queryData.someValue} " +
        "</if>")
List<Map<String, String>> getCheckOutTimeAndBedId(String usage, String moveInStatusCheckOutDoing, String tenantId, @Param("queryData") QueryData queryData);

在SQL语句中使用了`<if>`标签，如果`queryData`不为空，则会拼接上`AND a.some_column = #{queryData.someValue}`这个条件，否则不会拼接。其中，`queryData.someValue`是您要拼接的具体条件。另外，这里使用了MyBatis的方式来实现动态SQL，需要引入MyBatis相关依赖和配置文件。