搭建智慧城乡项目，并实现mq消息订阅，websocket推送报警信息等功能

src/main/java/com/xkrs/dao/EquipmentDao.java

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+package com.xkrs.dao;
+
+import com.xkrs.model.entity.Equipment;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+/**
+ * @Author: XinYi Song
+ * @Date: 2022/2/8 9:26
+ */
+public interface EquipmentDao extends JpaRepository<Equipment,Long> {
+}

src/main/java/com/xkrs/dao/FireDao.java

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+package com.xkrs.dao;
+
+import com.xkrs.model.entity.Fire;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Modifying;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.stereotype.Component;
+
+/**
+ * @Author: XinYi Song
+ * @Date: 2022/2/8 17:12
+ */
+@Component
+public interface FireDao extends JpaRepository<Fire,Long> {
+
+    /**
+     * 根据报警编码查询火情信息
+     * @param code
+     * @return
+     */
+    Fire findByAlarmCode(String code);
+
+    /**
+     * 根据报警编码修改图片信息
+     * @param code
+     * @param picturePath
+     */
+    @Modifying(clearAutomatically=true)
+    @Query(value = "update fire set picture_path = ?2 where alarm_code = ?1",nativeQuery = true)
+    void updatePicturePath(String code, String picturePath);
+}