TASK: 1.affiliate 新增referral新增、查询、修改以及其他相关的自动结算佣金的功能；2.删除affiliate_income表及相关mapper

src/main/java/com/ai/da/service/ReferralService.java

@@ -0,0 +1,19 @@
+package com.ai.da.service;
+
+import com.ai.da.mapper.primary.entity.Referral;
+import com.ai.da.model.dto.EditReferralDTO;
+import com.ai.da.model.dto.ReferralPageQueryDTO;
+import com.ai.da.model.vo.ReferralPageQueryVO;
+import com.baomidou.mybatisplus.core.metadata.IPage;
+import com.baomidou.mybatisplus.extension.service.IService;
+
+import java.util.List;
+
+public interface ReferralService extends IService<Referral> {
+
+    IPage<ReferralPageQueryVO> queryByPage(ReferralPageQueryDTO referralPageQueryDTO);
+
+    void editReferral(EditReferralDTO editReferralDTO);
+
+    void deleteReferral(List<Long> idList);
+}