增加了数据库及测试程序

src/pPowerManger/SQLiteDB.h

@@ -0,0 +1,39 @@
+#ifndef SQLITEDB_H
+#define SQLITEDB_H
+
+#include <sqlite3.h>
+#include <string>
+#include <vector>
+#include "json/json.h"
+// #include <nlohmann/json.hpp>
+
+struct PowerData {
+    int id;
+    std::string timestamp;
+    double voltage;
+    double current;
+    double power;
+    double temperature;
+};
+
+
+class SQLiteDB {
+public:
+    SQLiteDB(const std::string& dbPath);
+    ~SQLiteDB();
+    
+    void createTables();
+    void insertPowerData(float voltage, float current, float power, float temperature);
+    std::vector<PowerData> getPowerData(int limit = 100);
+    
+    template<typename T>
+    void insertStructData(const std::string& tableName, const T& data);
+    
+private:
+    sqlite3* m_db;
+    
+    template<typename T>
+    std::string serializeStruct(const T& data);
+};
+
+#endif // SQLITEDB_H