1.二维码查询sql 判断空和null wapper不能判断空字符串

amos-boot-system-tzs/amos-boot-module-tcm/amos-boot-module-tcm-api/src/main/java/com/yeejoin/amos/boot/module/tcm/api/mapper/TzBaseEnterpriseInfoMapper.java

@@ -44,4 +44,10 @@ public interface TzBaseEnterpriseInfoMapper extends BaseMapper<TzBaseEnterpriseI
 	IPage<TzBaseEnterpriseInfoDto> page(Page<TzBaseEnterpriseInfoDto> page, TzBaseEnterpriseInfoDto tzBaseEnterpriseInfoDto);
 
 	IPage<TzBaseEnterpriseInfoDto> pageList(Page<TzBaseEnterpriseInfoDto> page, TzBaseEnterpriseInfoDto tzBaseEnterpriseInfoDto, List orgCodeList);
+
+	/**
+	 * 查询未生成二维码的企业
+	 * @return
+	 */
+    List<TzBaseEnterpriseInfo> listNoQrCode();
 }

amos-boot-system-tzs/amos-boot-module-tcm/amos-boot-module-tcm-api/src/main/resources/mapper/TzBaseEnterpriseInfoMapper.xml

@@ -154,5 +154,15 @@
 	<select id="selectByUseUnit" resultType="com.yeejoin.amos.boot.module.tcm.api.entity.TzBaseEnterpriseInfo">
 		select * from tz_base_enterprise_info where use_unit = #{useUnit}
 	</select>
+    <select id="listNoQrCode" resultType="com.yeejoin.amos.boot.module.tcm.api.entity.TzBaseEnterpriseInfo">
+		select
+		 *
+		from
+		tz_base_enterprise_info
+		where
+		qr_code <![CDATA[<>]]> ''
+		and use_code <![CDATA[<>]]> ''
+		limit 100
+	</select>
 
 </mapper>

amos-boot-system-tzs/amos-boot-module-tcm/amos-boot-module-tcm-biz/src/main/java/com/yeejoin/amos/boot/module/tcm/flc/biz/service/impl/RegUnitInfoServiceImpl.java

@@ -241,10 +241,7 @@ public class RegUnitInfoServiceImpl extends BaseService<RegUnitInfoDto, RegUnitI
 		if(log.isDebugEnabled()){
 			log.debug("新注册企业二维码生成开始");
 		}
-		LambdaQueryWrapper<TzBaseEnterpriseInfo> wrapper = new LambdaQueryWrapper<>();
-		wrapper.notLike(TzBaseEnterpriseInfo::getQrCode,"upload");
-		wrapper.last("limit 100");
-		List<TzBaseEnterpriseInfo> noQrCodeList = tzBaseEnterpriseInfoMapper.selectList(wrapper);
+		List<TzBaseEnterpriseInfo> noQrCodeList = tzBaseEnterpriseInfoMapper.listNoQrCode();
 		if(noQrCodeList.isEmpty()){
 			if(log.isDebugEnabled()){
 				log.debug("暂无待生成二维码的企业");