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cash-service/account-service/src/main/java/com/czg/service/account/mapper/AcUserMsgMapper.java

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+package com.czg.service.account.mapper;
+
+import com.mybatisflex.core.BaseMapper;
+import com.czg.account.entity.AcUserMsg;
+
+/**
+ *  映射层。
+ *
+ * @author gyj
+ * @since 2025-12-09
+ */
+public interface AcUserMsgMapper extends BaseMapper<AcUserMsg> {
+
+}

cash-service/account-service/src/main/java/com/czg/service/account/service/impl/AcUserMsgServiceImpl.java

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+package com.czg.service.account.service.impl;
+
+import com.czg.account.dto.AcUserMsgDTO;
+import com.czg.account.entity.AcUserMsg;
+import com.czg.account.service.AcUserMsgService;
+import com.czg.sa.StpKit;
+import com.czg.service.account.mapper.AcUserMsgMapper;
+import com.czg.utils.PageUtil;
+import com.mybatisflex.core.paginate.Page;
+import com.mybatisflex.core.query.QueryWrapper;
+import com.mybatisflex.spring.service.impl.ServiceImpl;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+/**
+ * 服务层实现。
+ *
+ * @author gyj
+ * @since 2025-12-09
+ */
+@Service
+public class AcUserMsgServiceImpl extends ServiceImpl<AcUserMsgMapper, AcUserMsg> implements AcUserMsgService {
+
+    @Override
+    public void addUserMsg(AcUserMsg msg) {
+        save(msg);
+    }
+
+    @Override
+    public Long getUnReadCount() {
+        return count(QueryWrapper.create().eq(AcUserMsg::getReadStatus, 0).eq(AcUserMsg::getUserId, StpKit.USER.getLoginIdAsLong()));
+    }
+
+    @Override
+    public Page<AcUserMsgDTO> getUserMsgPage() {
+        return pageAs(PageUtil.buildPage(), QueryWrapper.create().eq(AcUserMsg::getUserId,
+                StpKit.USER.getLoginIdAsLong()).orderBy(AcUserMsg::getCreateTime, false), AcUserMsgDTO.class);
+    }
+
+    @Override
+    public List<AcUserMsgDTO> getMsgListByOrderId(Long orderId) {
+        return listAs(QueryWrapper.create().eq(AcUserMsg::getSourceId, orderId).eq(AcUserMsg::getSourceType, "order"),
+                AcUserMsgDTO.class);
+    }
+}

cash-service/account-service/src/main/resources/mapper/AcUserMsgMapper.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper
+        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
+        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.czg.service.account.mapper.AcUserMsgMapper">
+
+</mapper>